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Leveraging its technological foundation to steadily advance globalization is a core strategy for domestic new energy equipment companies to overcome geographical limitations and enhance their industry competitiveness. Recently, Chongqing Senan Electric Co., Ltd. (hereinafter referred to as "Senan Electric") welcomed a delegation of business representatives from Araguari, Minas Gerais, Brazil, for a site visit. The two sides conducted in-depth technical exchanges and business negotiations on core issues such as localization adaptation of charging piles, scenario-based implementation, and bulk delivery cooperation. Through on-site research, technical verification, and detailed discussions, the two parties finalized the cooperation details and confirmed the first batch of 40-foot charging pile cabinet orders, laying a solid foundation for Senan Electric to deepen its presence in the Latin American new energy market and expand its overseas business. Araguari, located in western Minas Gerais, is at a critical stage of upgrading its urban energy system. In recent years, the local area has actively promoted the construction of green and low-carbon cities, and the penetration rate of new energy vehicles has continued to rise. However, the shortcomings in charging infrastructure at public transportation stations, commercial complexes, and residential communities have become increasingly apparent, leading to a sustained increase in market demand for charging equipment that is compatible with local power grid conditions, offers stable performance, and ensures high safety. This visit by overseas clients to China aimed to select partners with strong technical capabilities, mature production systems, and comprehensive cross-border service capabilities to provide high-quality equipment support for the construction of the local charging infrastructure network. Throughout the visit, the Sennan Electric team accompanied the delegation, leading them to visit the company's product showroom, R&D laboratory, and intelligent production workshop, showcasing the company's R&D innovation capabilities, standardized production system, and quality control strength from all angles. During the visit, the clients focused on the company's core charging equipment products, gaining a deep understanding of the product characteristics of 7-22KW AC charging piles and 80-240KW high-power DC charging piles. Both devices precisely cover diverse application scenarios, including scattered home charging, centralized commercial charging, and fast charging at large public charging stations. They are adaptable to different regional power grid conditions and usage needs, and have won high praise from customers for their robust operational stability, high charging efficiency, and stringent safety standards. During the technical coordination phase, both parties conducted targeted and refined technical discussions based on the unique characteristics of Brazil's local geography, climate, power grid parameters, and maintenance scenarios. In conjunction with Araguari's overall renewable energy development plan, the customer inquired in detail about key technical indicators such as equipment voltage compatibility standards, outdoor protection levels, intelligent control systems, and long-term weather resistance. They also conducted in-depth research on product manufacturing processes, comprehensive quality inspection standards, and practical case studies of overseas project implementation. Sennan Electric's team, drawing on years of experience serving overseas markets, explained in detail the product's optimized design for special conditions such as high temperatures, heavy rainfall, and complex power grids overseas. They also comprehensively demonstrated a full-chain service system encompassing equipment installation and commissioning, regular maintenance, and rapid fault response, alleviating the customer's concerns about cross-border equipment deployment and subsequent maintenance support. During the business negotiation phase, both parties adhered to the principles of mutual benefit and long-term symbiosis, meticulously reviewing the details of the cooperation and rigorously finalizing core aspects such as product specification customization, factory inspection standards, packaging and logistics specifications, delivery time, and cross-border customs clearance. After multiple rounds of rigorous and detailed communication and refinement, both parties officially finalized the initial cooperation plan, agreeing on a 40-foot full container delivery model, thus establishing a solid framework for continued supply and deepening multi-dimensional cooperation. The customer stated that Sennan Electric's solid R&D capabilities, stringent quality control management, and mature overseas service system align with the local new energy infrastructure construction standards and development plans, expressing confidence and anticipation for long-term, in-depth cooperation. This successful cooperation with the Brazilian customer marks a significant milestone for Sennan Electric in expanding into the Latin American market. It represents authoritative recognition of the company's product quality, technological strength, and comprehensive service capabilities by the overseas market, and is also a crucial testament to the steady implementation of the company's globalization strategy. In the future, Sennan Electric will continue to focus on technological innovation and product upgrades of new energy charging equipment, continuously optimize its overseas market service system and implementation support plans, and meet the new energy construction needs of various parts of the world with higher quality products and more professional services. It will actively participate in the construction of international green energy infrastructure, steadily expand the company's international development pattern, and help domestic new energy equipment set sail overseas and go global.

Recently, Chongqing Sennan Electric Co., Ltd. (hereinafter referred to as "Sennan Electric," international brand "Sennan") has achieved another new success in its overseas market expansion, successfully reaching a long-term strategic cooperation agreement with Brazil's SOL New Energy Group and finalizing its first batch of cross-border charging pile export orders. This cooperation, leveraging industry exhibition opportunities and the connections made by domestic photovoltaic companies, represents a pragmatic collaboration between Chinese and foreign new energy enterprises, complementing each other's strengths. Brazil's SOL New Energy Group has been deeply involved in the local photovoltaic industry for many years, possessing mature project operation experience and extensive market resources. In recent years, Brazil's new energy vehicle industry has rapidly emerged, but the gap in local energy infrastructure continues to widen, with problems such as an imbalance between vehicle and charging pile ratios and insufficient charging network coverage becoming increasingly prominent, hindering further development of the industry. Based on local market demand, the group has expanded its charging pile deployment business, relying on its long-term accumulation in the energy sector to steadily promote the construction of charging infrastructure throughout Brazil. Against the backdrop of increasingly close industry exchanges, high-quality industry platforms have become crucial bridges for interconnection between enterprises. Sennan Electric and Brazil's SOL Group first connected at an industry exhibition, establishing initial understanding through on-site product demonstrations and technical exchanges. Subsequently, with the assistance of domestic photovoltaic companies, the two companies continued to deepen their communication, conducting detailed discussions on multiple dimensions such as product quality, technology compatibility, overseas operating conditions, and long-term supply, ultimately reaching a high degree of consensus and establishing a long-term and stable partnership. The first order received this time is for a 40-foot container of charging pile equipment, encompassing multiple AC and DC charging pile products. The equipment categories are tailored to the diverse energy charging scenarios in Brazil's commercial, residential, and public areas, adaptable to different regional charging power requirements and installation conditions. This batch of equipment will soon be shipped to Brazil to contribute to the construction of the local charging network, helping to alleviate the current shortage of charging facilities. The South American new energy market has broad prospects. Brazil, as a core market in the region, has seen a continuous increase in the number of new energy vehicles, but the construction of charging infrastructure has lagged behind. The market demand for high-quality, highly adaptable, and highly stable charging equipment continues to grow. Sennan Electric has long focused on the R&D and production of electrical equipment, deeply cultivating the new energy supporting field. It continuously refines product processes and optimizes equipment adaptability, ensuring compatibility with the operating standards and usage specifications of different overseas regions. Sennan Electric possesses solid overseas supply and project implementation capabilities. This recognition from a Brazilian local new energy company is a positive market response to the company's product quality and technological strength. Every transoceanic cooperation is hard-won. From initial acquaintance at the exhibition and industry matchmaking to in-depth cooperation and large-scale overseas deployment, this trust that transcends mountains and seas is deeply cherished by the entire Sennan Electric team. A Sennan Electric representative stated, "We sincerely thank our industry partners for their support and assistance, and we thank our overseas customers for their recognition and trust. This trust is the greatest driving force for our team's steady expansion into overseas markets." Based on this new starting point of cooperation, Sennan Electric will adhere to its original commitment to industry, maintain a pragmatic and progressive development attitude, continue to cultivate the new energy electrical field, and continuously optimize product performance, refine production processes, and enhance its adaptability to overseas projects. In the future, Sennan Electric will maintain its long-term strategic partnership with stable product quality, a standardized delivery system, and attentive supporting services, steadily expand into the South American overseas market, continuously export high-quality domestic new energy supporting equipment, and contribute to the construction of global new energy infrastructure.

On July 28, 2026, the power distribution renovation project for the charging station of Chongqing Yintianhong Technology Co., Ltd., undertaken by Chongqing Sennan Electric Co., Ltd. (hereinafter referred to as "Sennan Electric," international brand "Sennan"), completed all commissioning work and successfully passed the power-on acceptance, officially meeting the conditions for operation. This power distribution renovation project has built a stable and reliable high-voltage power distribution system for the charging station, consolidating the foundation of power infrastructure for the new energy charging business and injecting momentum into the supporting development of green travel in the region. Against the backdrop of the booming development of the new energy industry, charging stations, as key infrastructure in the new energy vehicle industry chain, place more stringent requirements on the safety level, operational stability, and ease of maintenance of the power supply system. The original power distribution facilities are no longer able to meet the load demands of the high-power charging equipment at the charging station, and there are problems such as limited expansion space and outdated power distribution architecture. To overcome power bottlenecks, Yintianhong Technology launched a power distribution upgrade and renovation project for its charging stations. Leveraging a new high-voltage ring network power distribution system, the project expands power supply capacity and optimizes the distribution architecture, reserving ample space for future expansion of charging facilities and long-term stable operation. After the project commenced, Sennan Electric quickly assembled a dedicated technical service team to be stationed on-site, coordinating and advancing various tasks such as equipment installation, wiring and commissioning, and system testing. Due to multiple constraints including site layout and construction schedule, the overall operating conditions were complex. The team developed a detailed construction plan tailored to local conditions, scientifically arranging the HXGN-12 series high-voltage switchgear and systematically carrying out cable tray laying, cabinet placement, and line connection. Staff worked during the day to advance hardware installation and basic testing, and seized the window of opportunity at night to conduct joint system commissioning, steadily advancing the project in stages to ensure its timely completion. High-voltage power distribution engineering is crucial to electrical safety; no detail can be overlooked. Entering the commissioning and acceptance phase, Sennan Electric's technical personnel strictly adhered to power industry standards, using professional testing instruments to verify cabinet parameters, conduct circuit performance tests, and insulation performance checks on each unit. They meticulously inspected line connections, instrument conditions, and the operational logic of protection devices. Addressing the technical requests raised by various parties on-site, the team thoroughly discussed with the client and power maintenance personnel, continuously optimizing the power distribution operation plan, promptly eliminating various potential operational risks, and ensuring the safe and efficient operation of the entire power distribution system. From equipment arrival, on-site installation, component commissioning, to overall power-on acceptance, standardized quality control was implemented throughout the project lifecycle, safeguarding the bottom line of power safety with meticulous technical services. With over a decade of experience in the R&D, manufacturing, and engineering support services of high and low voltage complete sets of power distribution equipment, Sennan Electric leverages its technological accumulation to provide integrated power distribution solutions for industrial plants, new energy power stations, commercial buildings, and municipal engineering projects. The company integrates complete equipment manufacturing and on-site engineering implementation capabilities, enabling it to customize power distribution solutions based on the characteristics of different power load scenarios, balancing product quality, construction efficiency, and ease of subsequent operation and maintenance. Addressing the characteristics of new energy charging stations—high load fluctuations and stringent continuous operation requirements—Sennan Electric leveraged extensive project experience to optimize the power distribution system configuration, better matching the unique power consumption conditions of new energy charging infrastructure. The successful power-on acceptance of the project signifies the successful completion of Sennan Electric's charging station upgrade project. Sennan Electric stated that new energy infrastructure construction is a crucial driver of green and low-carbon development, and the company feels a strong sense of responsibility for participating in the power distribution upgrade of charging stations. The successful delivery of this project is not only a testament to the customer's recognition of Sennan Electric's technical strength and on-site service capabilities but also an important step in the company's continued commitment to the new energy power supply sector. Looking to the future, Sennan Electric will continue to focus on technological innovation in high and low voltage power distribution, iteratively upgrading its complete power distribution products and continuously improving its full-chain project service capabilities. The company will continue to provide stable and reliable power distribution solutions for markets such as new energy charging stations, industrial parks, and commercial complexes, adhering to a development philosophy prioritizing safety and quality, and working with more partners to support regional new energy infrastructure construction and contribute to the high-quality development of local green energy industries.

Recently, business partners from the Senegalese company SUDPAY visited Chongqing Sennan Electric Co., Ltd. (hereinafter referred to as "Sennan Electric"; international brand "Sennan") for an on-site inspection and consultation. Taking into account the current state of Senegal's power sector and the requirements for implementing new energy projects, the two parties reviewed equipment specifications and finalized cooperation details face-to-face, reaching a preliminary agreement on the procurement of solar-plus-storage equipment. This meeting represented not only a deep alignment of business operations but also a pivotal step for Sennan Electric in entering the West African new energy market and establishing supply channels for solar-plus-storage equipment in Africa.   During the discussions, the Senegalese partners highlighted specific pain points in their local market. Senegal faces challenges regarding the stability of its power supply; consequently, urban areas and mining sites frequently rely on solar power combined with energy storage systems to mitigate outages. The local climate—characterized by high temperatures, high humidity, and strong winds carrying sand and dust—often causes short circuits and metal corrosion in standard electrical cabinets. Furthermore, due to a lack of local manufacturers producing complete sets of power distribution equipment in West Africa, most cabinets for solar-plus-storage projects are imported from China. The clients inquired about key aspects such as technical specifications for grid-tied solar and energy storage electrical equipment, export packaging, overseas certifications, and technical support services. In response, the Sennan Electric team provided detailed explanations regarding customized solutions tailored to West Africa's specific operating conditions.   Following the discussions, Sennan Electric’s technical lead accompanied the clients on a tour of the production workshop. The workshop displayed finished high- and low-voltage complete switchgear, specialized box-type substations for solar applications, and electrical control cabinets for energy storage systems. Technicians showcased cabinet samples and introduced design upgrades specifically engineered for Africa's harsh environment—such as thickened, anti-corrosive cold-rolled steel plating, fully sealed dust-proof structures, and wide-range overload protection modules. They also demonstrated the operational logic of the equipment's remote cloud monitoring and intelligent control systems, including automatic power-off upon overload.   Sennan Electric is a Chongqing-based high-tech electrical manufacturing enterprise. Its core business encompasses complete sets of high- and low-voltage power distribution equipment and AC/DC charging piles for new energy vehicles, with a strategic focus on the R&D and production of electrical equipment for solar-plus-storage projects. While the company does not independently manufacture complete energy storage battery units, it supplies a full suite of auxiliary equipment—including grid-connection cabinets, energy storage control cabinets, and PV box-type substations—for overseas solar-plus-storage projects. It also undertakes integrated solutions for combined solar, storage, and charging stations, with products exported in volume to markets across Europe, Southeast Asia, and South America. For the African market, the company has optimized its cabinet designs to ensure resistance to corrosion, dust, and high temperatures, while providing multilingual technical documentation and remote technical support. Both parties have reached a consensus on supplier qualification requirements; Sennan Electric’s established track record in certification systems and production capacity has laid a foundation of trust for long-term cooperation. Senegal is currently accelerating the adoption of rural solar power and the development of supporting infrastructure for industrial and commercial energy storage, leading to a widening supply gap for local electrical equipment tailored to these solar-plus-storage systems. Moving forward, Sennan Electric will fine-tune equipment electrical parameters to align with Senegal’s local grid standards and execute the production and moisture-proof, reinforced ocean-freight packaging for this bulk order. Leveraging its strengths in manufacturing complete power distribution systems, the company aims to deepen its presence in the West African new energy export market, using customized electrical equipment suited to local operating conditions to help accelerate the development of Senegal’s solar and energy storage infrastructure.

On June 22, 2026, a delegation from SOL+, a leading Brazilian new energy distributor, visited Chongqing Sennan Electric Co., Ltd. (hereinafter referred to as "Sennan Electric"; international brand "Sennan") to conduct an on-site inspection of the company's full range of charging pile products and manufacturing capabilities. Following in-depth technical exchanges and business negotiations, the two parties reached a preliminary agreement on cooperation regarding the charging pile business. This high-quality overseas client was precisely matched through the end-to-end marketing services—specifically overseas short-video management and B2B independent website services—provided by Jiangmen Huaqi Lifang Technology Co., Ltd. (hereinafter "Jiangmen Huaqi Lifang"; service brand "Huaqi Yunsou"), marking a significant milestone in their digital-driven global expansion partnership. During the visit, the SOL+ team toured Sennan Electric’s product showroom and production workshops, gaining a comprehensive understanding of the technical specifications, safety standards, and manufacturing processes for their full product lineup, including AC charging piles and DC fast-charging stations. Addressing Brazil's specific power grid conditions and climate, Sennan Electric’s technical team demonstrated the products' localized adaptability—such as wide voltage compatibility, resilience against high heat and humidity, and intelligent O&M capabilities. The delegation highly commended the company's manufacturing processes and quality control systems. After extensive discussions regarding market channel distribution, scenario-based product solutions, and localized service support, the parties signed a preliminary cooperation agreement, pledging to jointly advance the launch and promotion of the Sennan brand's charging piles in the Brazilian market. The successful and efficient conclusion of this partnership was driven by the end-to-end digital marketing empowerment provided by Jiangmen Huaqi Lifang. As a marketing service provider deeply rooted in the field of digital foreign trade, Jiangmen Huaqi Lifang tailored a "standalone website + short video" customer acquisition strategy for Sennan Electric. On one hand, they built a professional B2B foreign trade website, implementing search engine optimization and trust-building measures to precisely capture active search inquiries from South American buyers. On the other hand, they managed overseas short-video accounts, showcasing the company's strengths through factory tours, product testing demonstrations, and project case studies, thereby effectively reaching overseas clients in the new energy sector. Through sustained, precision-oriented operations, the initiative successfully generated inquiries for "SOL+" and facilitated an on-site visit, effectively bridging the gap between online exposure and offline collaboration. Yue Qiubao, Chairman of Sennan Electric, noted that the company’s previous expansion into the South American market relied heavily on traditional trade shows, which limited both lead generation efficiency and market reach. Since partnering with Jiangmen Huaqi Lifang, the company has gained access to a steady stream of high-quality overseas buyers through digital channels; the caliber of these leads and the efficiency of the collaboration have far exceeded expectations, and the company is highly satisfied with the professional, end-to-end marketing services provided. Moving forward, Sennan Electric plans to deepen this partnership, leveraging digital marketing capabilities to further expand its presence in the global new energy market. With years of experience in foreign trade marketing, Jiangmen Huaqi Lifang has established a strong industry reputation. By focusing on two core services—building and managing independent foreign trade websites and managing overseas short-video accounts—the company has helped numerous Chinese manufacturers establish effective overseas lead generation pipelines and secure substantial export orders. Company representatives stated that they would continue to refine their digital lead generation capabilities, providing efficient global marketing solutions to more manufacturers and helping high-quality Chinese brands enter the global market.

On June 22, 2026, a delegation from SOL+, a leading new energy distributor in Brazil, visited Chongqing Sennan Electric Co., Ltd. (hereinafter referred to as "Sennan Electric"; international brand "Sennan") to conduct an on-site inspection of the company's full range of EV charging products and manufacturing capabilities. Following in-depth technical exchanges and business discussions, the SOL+ delegation highly recognized Sennan Electric's product quality and technical prowess, leading to a preliminary agreement on cooperation regarding charging station business in the Brazilian market. During the visit, the SOL+ team toured Sennan Electric's manufacturing base and product showroom, examining the full product lineup—including AC chargers, DC fast chargers, and flexible charging stacks—and gaining detailed insights into technical specifications, safety protection systems, smart O&M functions, and production processes. Sennan Electric's technical team provided specialized demonstrations and explanations regarding localization features tailored to Brazil's power grid and usage scenarios, such as wide-voltage adaptability, resilience in high-temperature and high-humidity environments, and multilingual smart operating systems. The SOL+ delegation expressed strong approval of the products' industrial design, manufacturing craftsmanship, and safety performance, concluding that the Sennan series of chargers fully meets Brazilian market entry standards and end-customer needs. In the subsequent discussion, both parties engaged in in-depth talks regarding trends in Brazil's new energy vehicle charging market, channel cooperation models, and the establishment of local after-sales service systems. As a key player in Brazil's new energy distribution sector, SOL+ possesses a nationwide channel network and a mature market operation system; with the acceleration of Brazil's electrification and the rising demand for charging infrastructure, the company has a pressing need for a Chinese manufacturing partner capable of supplying products for all usage scenarios. Leveraging over a decade of experience in electrical equipment R&D and manufacturing, as well as deep technical expertise in the new energy charging sector, Sennan Electric offers a comprehensive product matrix ranging from residential slow chargers to commercial ultra-fast chargers, alongside capabilities for customized overseas project development and end-to-end technical support—making the two companies highly complementary business partners. Following extensive communication, the two parties formally signed a preliminary cooperation agreement. By combining SOL+'s channel resources in Brazil with Sennan Electric's product and technical strengths, they will jointly advance the market launch and promotion of Sennan-branded charging stations in Brazil. The initial phase of the partnership will focus on two key product categories—residential AC charging piles and commercial DC fast-charging piles—gradually extending coverage to diverse application scenarios such as residential areas, commercial complexes, and highway service stations. As a National High-Tech Enterprise and a Chongqing-certified "Specialized, Refined, Unique, and Innovative" (SRUI) enterprise, Sennan Electric has long been dedicated to the electrical equipment sector. It is one of the few domestic companies possessing full-chain R&D and manufacturing capabilities for both high- and low-voltage complete equipment and new energy charging equipment. In recent years, the company has accelerated its global expansion, leveraging foreign trade platforms like the Canton Fair to grow its overseas presence, with products already exported to numerous countries and regions. This partnership with Brazil’s SOL+ marks a significant milestone in Sennan Electric’s deep cultivation of the South American market and represents a substantial breakthrough in channel development for "Chongqing-made" charging pile brands within the region's mainstream market. Yue Qiubao, Chairman of Sennan Electric, stated that South America is one of the fastest-growing regional markets for new energy vehicles globally. As the continent's largest economy, Brazil offers immense potential for the development of charging infrastructure. Moving forward, the company will continue to enhance its product localization capabilities and collaborate with high-quality overseas partners to expand its market reach, contributing to the global development of the new energy industry through safe and reliable charging equipment.

On May 28, 2026, Qi Jiahong, Director of the Banan District Economic and Information Technology Commission, led a delegation including Wang Wenlin, a representative from Chongqing Ninghui Chuaneng Electronic Technology Co., Ltd., to Chongqing Sennan Electric Co., Ltd. (international brand: Sennan Electric) for a special technical exchange. Yue Qiubao, Chairman of Sennan Electric, warmly received the delegation. The three parties held in-depth discussions on key areas such as the research and development of new charging pile technologies, application scenarios, and promotion, exchanging opinions and reaching several cooperative agreements. During the exchange, Yue Qiubao warmly welcomed Qi Jiahong and his delegation and expressed gratitude to the district's economic and information technology department for its long-term guidance and support for the company's development. Meanwhile, the company provided a detailed overview of its development history, core technology R&D, product portfolio, market application scenarios, and future development plans. The presentation highlighted the company's technological innovations in areas such as intelligent charging piles, flexible charging technology, safe operation and maintenance systems, and low-carbon energy-saving charging equipment, as well as their practical applications in urban communities, industrial parks, commercial complexes, and logistics hubs. This comprehensive presentation showcased the company's technological accumulation and industrial advantages in the field of new energy charging equipment. Qi Jiahong listened attentively to the presentation and fully affirmed Sennan Electric's achievements in deeply cultivating the new energy charging equipment field, adhering to independent technological innovation, and contributing to the construction of regional charging and swapping infrastructure. He stated that Banan District is currently making every effort to improve the quality and efficiency of the new energy industry, continuously improve the layout of new infrastructure, and accelerate the construction of a safe, intelligent, efficient, and green modern charging and swapping service network to fully meet the needs of the new energy vehicle industry and the public's convenient travel demands. Charging piles, as an important component of new infrastructure, are a key tool for improving urban functions, optimizing the business environment, and promoting green and low-carbon development. Technological innovation is urgently needed to address industry pain points and improve the efficiency of construction and operation. During the discussion, the three parties focused on industry development trends and regional industrial realities, conducting in-depth discussions on key issues such as the iterative upgrading of new charging pile technologies, adaptation to high-power fast charging technologies, compatibility and renovation of charging facilities in old residential areas, optimization of equipment safety protection, improvement of intelligent operation and maintenance, and reduction of operating costs. They precisely identified the bottlenecks and difficulties in technology implementation and jointly explored new ideas and paths for technology collaboration, resource integration, and scenario implementation. After thorough communication and exchange, all parties reached a consensus. First, they will deepen government-enterprise collaboration, leveraging the industrial support policies of Banan District to establish a regular platform for technology exchange and innovation cooperation, promoting the integration and complementary advantages of upstream and downstream resources in the industrial chain. Second, they will strengthen joint research on core technologies, promoting deep collaboration between Sennan Electric and Chongqing Ninghui Chuaneng Electronic Technology Co., Ltd., focusing on joint R&D of cutting-edge charging pile technologies to break through key technological bottlenecks and enhance the core competitiveness of the regional charging equipment industry. Third, they will accelerate the pilot implementation of new technologies, prioritizing the deployment of new technology demonstration projects in public areas, industrial parks, and residential areas of Banan District to promote the large-scale application of new charging pile technologies. Fourth, leveraging the international brand advantages of enterprises, we will help upgrade the regional new energy equipment industry and promote the clustering and high-end development of the Banan New Energy Industry. This special technical exchange is a pragmatic measure taken by the Banan District Economic and Information Commission to fulfill its functions, proactively serve enterprises, and empower industrial innovation. It effectively opened up channels for government-enterprise and enterprise-enterprise technology cooperation, laying a solid foundation for the application of new charging pile technologies and the improvement of new energy infrastructure. Next, the Banan District Economic and Information Commission will continue to focus on key areas of new energy industry development, further deepen enterprise services, promote the implementation and effectiveness of more high-quality technologies and projects, continuously improve the regional charging and swapping infrastructure system, and continuously activate the development momentum of the new energy industry, providing strong support for the green, low-carbon, and high-quality development of the district's industrial economy.

On May 18, 2026, a delegation of Thai clients visited Chongqing Sennan Electric Co., Ltd. (hereinafter referred to as "Sennan Electric") for on-site inspection and exchange. Yue Qiubao, Chairman of Sennan Electric, accompanied them throughout the visit. The clients highly praised Sennan Electric's production strength, technological depth, and large-scale production capacity. Both parties reached a deep consensus on cooperation in the field of new energy equipment. The first stop of the inspection was the Sennan Electric production workshop. Rows of new energy charging piles were neatly arranged, and workers were assembling and debugging them in an orderly manner. The clients carefully inspected the aging tests of components and the performance testing of finished products, expressing their appreciation for Sennan Electric's "refined production and full-process quality control" process system. "From raw material procurement to finished product delivery, every step has strict testing standards. This dedication to quality gives us great peace of mind," said a representative of the Thai clients. At the R&D center, technical personnel from both sides conducted in-depth discussions on topics such as "the latest developments in charging technology" and "product energy efficiency optimization." Sennan Electric's R&D team showcased its latest achievements in smart charging and fast charging technologies. The client fully affirmed Sennan Electric's technological innovation capabilities, believing that its products meet the international market's demands for "efficiency, intelligence, and reliability." Following this, a meeting was held in the conference room. At the meeting, Sennan Electric representatives introduced the company's development history, core products (new energy charging piles, energy storage equipment, etc.), and global market layout. The Thai client stated that Sennan Electric's technological accumulation and large-scale production capabilities in the new energy field fully meet its requirements for a partner. "We are optimistic about the development potential of China's new energy industry, and Sennan Electric's products and technologies are exactly what we need," emphasized the Thai client representative. Both parties reached a deep cooperation plan in areas such as "technology R&D collaboration," "overseas market promotion," "supply chain optimization," and "product customization." According to the agreement, the two parties will conduct comprehensive cooperation in the joint R&D of new energy charging equipment, product promotion in the Thai and Southeast Asian markets, and localization of the supply chain, jointly promoting the international application of new energy technologies. Sennan Electric Chairman Yue Qiubao stated that the visit and cooperation of the Thai client is an important recognition of Sennan Electric's technological strength and product quality. “We will take this cooperation as an opportunity to further increase R&D investment, enhance product competitiveness, actively expand overseas markets, and provide global customers with better new energy solutions.” A representative from the Thai customer also stated that this visit gave them a deeper understanding of Sennan Electric's capabilities, and they believe that the cooperation between the two parties will achieve “complementary advantages and mutual benefit,” injecting new impetus into the international development of the new energy industry. This cooperation marks an important step forward in Sennan Electric's international layout in the field of new energy equipment. In the future, both parties will work together to promote the global application of new energy technologies and contribute to addressing climate change and achieving sustainable development.

On April 25, 2026, in the recently concluded 2026 China Charging and Swapping Industry Top Ten Brands selection, Chongqing Sennan Electric Co., Ltd. stood out from hundreds of participating companies nationwide, winning first place in the "Most Investable Brand" category, becoming a benchmark for high-quality development in the industry. This honor not only demonstrates Sennan Electric's leading advantages in technology research and development, product innovation, and business model, but also reflects the capital market's high recognition of its future growth potential. As a national high-tech enterprise, Sennan Electric has always focused on the safety and intelligence of new energy charging equipment since its establishment in 2014. The company's independently developed intelligent safety charging system, through deep integration of power automation, big data, cloud computing, and 5G technologies, has constructed a full-chain solution covering 12 safety protection mechanisms, including overcurrent protection, undervoltage protection, power-off upon disconnection, and leakage monitoring. Its core product—the modular DC fast charging pile—has passed international authoritative certifications such as TÜV, CE, and CQC, with a failure rate of less than 0.3%, far below the industry average, providing highly reliable energy replenishment for public charging stations, logistics parks, communities, and other scenarios. According to public information, Sennan Electric has an annual production capacity of 20,000 smart charging piles, covering more than 30 key cities nationwide and exported to European and Southeast Asian markets. In 2025, the company's R&D investment accounted for over 15% of its revenue, accumulating 87 patent authorizations, including 23 invention patents, continuously strengthening its technological barriers. Sennan Electric's competitiveness lies not only in hardware manufacturing but also in its integrated business model of "equipment + platform + service." Its "Sennan Smart Connect" cloud platform uses AI algorithms to achieve remote operation and maintenance of charging equipment, energy consumption optimization, and user behavior analysis, helping operators reduce operation and maintenance costs by more than 40%. Meanwhile, Sennan Electric offers customized solutions for different scenarios: collaborating with property management companies to deploy smart and orderly charging piles to alleviate peak grid pressure; providing megawatt-level supercharging services for electric heavy trucks, improving charging efficiency by 60%; and building integrated photovoltaic, energy storage, and charging demonstration stations in Germany, Singapore, and other locations to explore a new paradigm for zero-carbon travel. This closed-loop ecosystem of "hardware + software + service" earned Sennan Electric high praise from the expert panel during the evaluation: "Its business model combines profitability and social value, providing a replicable model for the industry's transformation from 'equipment sales' to 'value operation.'" This evaluation considered five dimensions: online voting, market share, industry influence, innovation capabilities, and expert review. Sennan Electric topped the list of "Most Investable Brands" with the highest total score. The organizing committee pointed out that Sennan Electric's investment value is reflected in three aspects: the high technical threshold of safe charging has created a technological moat for Sennan Electric; the number of new energy vehicles has exceeded 100 million, leading to a continuous surge in demand for charging infrastructure; and the overseas business share has increased year by year to 35%, with a global layout opening up new growth potential. Upon accepting the award, Sennan Electric Chairman Yue Qiubao stated, “Winning first place in the ‘Most Investable Brand’ award is both an honor and a responsibility. Over the next three years, we will invest more in R&D, focusing on breakthroughs in cutting-edge technologies such as wireless charging and vehicle-to-grid (V2G) communication. We will also collaborate with industry chain partners to build 1,000 ‘zero-carbon charging stations,’ making safe and efficient charging services readily available.” As the new energy vehicle industry enters a phase of “high-quality growth,” Sennan Electric is using technological innovation as its engine to drive the upgrading of charging infrastructure towards intelligence, safety, and globalization. This award will mark a new starting point for Sennan Electric as it strives to become a leading global new energy enterprise.

On March 12, 2026, a delegation from the Guang'an District Investment Promotion Bureau of Guang'an City, Guangdong Province, visited Chongqing Sennan Electric Co., Ltd. (hereinafter referred to as "Sennan Electric") for inspection and research. The purpose of this visit was to gain a deeper understanding of Sennan Electric's business layout, technological innovation achievements, and market expansion, laying a solid foundation for future cooperation between the two parties. Yue Qiubao, Chairman of Sennan Electric, warmly received the delegation and gave a detailed introduction to the company's development history, core businesses, and achievements in domestic and international markets. At the exchange meeting, Yue Qiubao, Chairman of Sennan Electric, first introduced Sennan Electric's positioning and development strategy. As a company specializing in the manufacturing of safe charging equipment for new energy, Sennan Electric has been committed to deeply integrating traditional charging piles with electrical automation and key energy storage technologies since its establishment. With safety function protection as its core value, it has built an industry-leading intelligent safe charging system and a complete product supply chain solution. Chairman Yue stated, "Sennan Electric has always regarded technological innovation as the core driving force for its development. We not only focus on the safety performance of our products, but also improve user experience and operational efficiency through intelligent and digital means. Currently, the company has accumulated over 40 patents and participated in the formulation of multiple industry standards, becoming a leading enterprise in the field of new energy charging equipment." When introducing the company's market achievements, Chairman Yue specifically mentioned Sennan Electric's layout and expansion in domestic and international markets. In the domestic market, Sennan Electric has established long-term strategic partnerships with well-known enterprises such as China Construction, China Communications Construction, and State Grid, thanks to its high-quality products and services. Its products are widely used in real estate, energy, industry, healthcare, education, and other sectors. At the same time, the company actively participates in government-led new energy infrastructure construction, providing strong support for green urban transportation. In the international market, Sennan Electric has also performed exceptionally well. Chairman Yue introduced, “In recent years, we have actively responded to the national ‘Belt and Road’ initiative and accelerated our pace of overseas market expansion. Currently, our products are exported to Vietnam, the UK, and other countries, where we have established comprehensive sales and service networks. Particularly in the Vietnamese market, we have jointly established an overseas factory with local partners, achieving localized production and effectively enhancing our market competitiveness.” During the visit, the delegation from the China Merchants Group also toured Sennan Electric's production workshop and R&D center, gaining a detailed understanding of the company's core product lines and technological innovations. Among them, innovative products such as the intelligent charging pile with a occupancy system and the “space capsule + charging pile” smart complex left a deep impression on the delegation. Chairman Yue introduced, “Our smart charging piles not only feature anti-collision structures and intelligent occupancy management, but also support intelligent operations such as remote monitoring, fault warnings, and data statistics, providing operators with convenient and efficient management tools. The ‘Space Capsule + Charging Pile’ smart complex is our pioneering new energy replenishment solution. It combines charging piles with a space capsule-style rest area, solving energy replenishment problems in cities and scenic areas while improving user experience and space utilization.” Mr. Mai, a British businessman, had previously highly praised Sennan Electric's products during his visit: “Sennan Electric's manufacturing process and innovative thinking are impressive. The refinement of the product's technical details fully meets the high standards of the international market.” Based on his high trust in Sennan Electric's product quality, Mr. Mai expressed a strong intention to cooperate on-site and plans to introduce Sennan Electric's high-quality products to the UK and Africa. At the conclusion of the visit, leaders from the Guang'an District Investment Promotion Bureau stationed in the Guangdong-Hong Kong-Macao Greater Bay Area highly praised Sennan Electric's development achievements and innovative strength. They stated that Sennan Electric's leading position and international layout in the field of new energy charging equipment are highly aligned with the industrial development direction of Guang'an District, and there is broad scope for cooperation between the two parties. In the future, they will actively promote in-depth cooperation between Sennan Electric and Guang'an District in the new energy field, jointly creating a new model of green, low-carbon, and sustainable industrial development. Chairman Yue expressed his sincere gratitude for the recognition and support from the leaders of the Investment Promotion Bureau, and stated: "Sennan Electric will continue to uphold the development philosophy of 'Quality Going Global, Intelligence First,' continuously improving its product technology and market competitiveness. We look forward to working hand in hand with Guang'an District and more international partners to jointly promote the innovative development of the new energy charging equipment industry and contribute Chinese strength to global green travel."

On March 9, 2026, Chongqing Sennan Electric Co., Ltd. (hereinafter referred to as "Sennan Electric") welcomed a group of distinguished guests—Mr. Dai, an important partner from Vietnam. This visit by Mr. Dai and his team marked the second on-site inspection since the initial cooperation between the two parties. Chairman Yue Qiubao and the company's core senior management warmly received them. This important meeting signifies that the cooperation between the two parties has officially entered a new stage of in-depth strategic collaboration, moving beyond mere trade. Mr. Dai's connection with Sennan Electric began with their initial cooperation, which allowed both parties to see each other's strengths and potential, and sowed the seeds for further in-depth cooperation. During Mr. Dai's second visit, the senior management of both parties conducted in-depth exchanges and discussions on cooperation, reaching a high degree of consensus on many aspects, with deepening the development of the Vietnamese market being a core issue. With the continuous changes in the global market, the Southeast Asian market has shown enormous development potential, and Vietnam, as an important part of this, has attracted much attention. To more efficiently respond to local market demands, both parties formally agreed to jointly establish an overseas factory in Vietnam. This decision is based on strategic considerations for long-term development, aiming to better integrate into the Vietnamese market and enhance market competitiveness through localized production. Currently, the brand registration and market access process for Sennan Electric's core products in Vietnam has been fully launched. Brand registration is a crucial step for companies entering new markets; it not only concerns intellectual property protection but also forms the foundation for establishing a brand image and expanding market share locally. Sennan Electric attaches great importance to this work, assigning a professional team to ensure the smooth progress of brand registration and prepare for the formal operation of the overseas factory. As the first step in the joint venture's factory construction, Mr. Dai signed a contract on-site during his inspection to purchase a complete set of modern production lines required for the factory's construction. This move is significant, representing not only the client's full recognition of Sennan Electric's technology and equipment but also a key manifestation of the confidence in the cooperation between the two parties. Mr. Dai stated that Sennan Electric's advanced production equipment and mature technology can meet the Vietnamese market's demand for high-quality products. Meanwhile, a full container of goods is also ready for shipment. This equipment will be transported to Vietnam as soon as possible to provide strong support for the construction of the overseas factory. This series of actions demonstrates both parties' determination to rapidly capture the Southeast Asian market and lays a solid foundation for future cooperation. During the visit, the company's senior management held cordial talks with Mr. Dai and his team. During the talks, both sides reviewed their past cooperation, shared their gains and experiences, and expressed high expectations for future cooperation. As shown in the group photo, both sides smiled, and the atmosphere was harmonious. They are not only business partners but also like-minded friends committed to common development. During the meeting, Chairman Yue Qiubao stated, “Sennan Electric has always been committed to expanding into international markets, and our cooperation with Mr. Dai’s team is an important step in our internationalization strategy. We believe that through the joint efforts of both parties, the overseas factory will be successfully built and put into operation, providing high-quality products and services to the Vietnamese market and achieving mutual benefit and win-win results.” Mr. Dai also stated, “The Vietnamese market has enormous potential, and we are full of confidence in our cooperation with Sennan Electric. We hope that through this cooperation, we can further enhance the influence of both parties in the Southeast Asian market and jointly create a better future.” This visit by Mr. Dai and his delegation has injected new momentum into the cooperation between Sennan Electric and its Vietnamese partners. As the construction of the overseas factory progresses, both parties will engage in deeper cooperation in areas such as technology research and development, manufacturing, and market expansion. It is believed that with the joint efforts of both parties, Sennan Electric will surely achieve outstanding results in the Vietnamese market and even the entire Southeast Asian market, writing a new chapter of win-win cooperation.

Recently, Sennan Electric welcomed Mr. Mai, a distinguished guest from the UK. Accompanied by Chairman Yue Qiubao, the two sides conducted in-depth exchanges and on-site inspections regarding charging pile technology, power distribution equipment, and cutting-edge smart energy complex projects. Mr. Mai and his delegation visited Sennan Electric's production workshop and R&D center, focusing on the company's core product lines: Smart Charging Pile Series: The client learned in detail about the charging pile's conversion efficiency, safety protection, and compatibility with overseas standards. Power Distribution Core: A thorough inspection of the manufacturing process of transformers and high and low voltage switchgear was conducted, with high praise given to their stability. Innovative Smart Complex: Faced with Sennan's pioneering **"Space Capsule + Charging Pile" Smart Complex**, Mr. Mai expressed great interest in its space utilization and technological sophistication, believing it to be a highly competitive solution for urban and scenic area energy replenishment. “Sennan Electric’s manufacturing processes and innovative thinking are truly impressive,” Mr. Mai stated during the visit. “The meticulous attention to technical details in their products fully meets the high standards of the international market.” Based on his strong trust in the quality of Sennan Electric’s products, Mr. Mai expressed a strong intention to cooperate on-site. Both parties reached a preliminary consensus to introduce Sennan Electric’s high-quality products to the UK and Africa. This strategic move not only demonstrates the universality of Sennan’s products in the global market but also marks a solid step forward in the company’s internationalization process. At the conclusion of the visit, Chairman Yue Qiubao expressed his sincere gratitude for Mr. Mai’s recognition. Mr. Mai immediately stated that he would lead a professional team to visit again at the end of this month to formally discuss specific procurement details and long-term strategic cooperation. Sennan Electric has always adhered to the principle of “Quality Goes Global, Intelligence First.” Sennan Electric also looks forward to working with more international partners to bring green energy solutions made in China to every corner of the world!

In March 2025, Chongqing Sennan Electric Co., Ltd. and Chongqing Electric Power College jointly unveiled the "Flexible Power Technology Innovation Center." Attendees included representatives from the college, including Secretary Bai Yong, Dean Wang Qiuhong, and their faculty and student team, as well as Sennan Electric's General Manager Yue Qiubao, Deputy General Manager Wang Lizhi, and other company leaders. This in-depth cooperation with Chongqing Electric Power College is a vivid example of the integration of industry, academia, research, and application. Based on the campus, the innovation center closely combines the university's research advantages with the industry's needs, focusing on two core areas: flexible power technology and new energy photovoltaic, energy storage, and charging. It is committed to overcoming key technical challenges in smart grids and energy transition. This not only provides the industry with cutting-edge technological solutions but also builds a practical platform for students "from classroom to workshop." Currently, the "dual-carbon" goals are driving accelerated changes in the energy structure, and flexible power technology and new energy development are the "key engines" of this process. Sennan Electric will leverage its Innovation Center to promote the parallel development of technology research and development,成果转化 (technology transfer), and talent cultivation, striving to obtain 10 core technology patents within three years and cultivate a group of high-caliber new forces in the power industry. We firmly believe that this platform will become a "technology incubator" for the development of the new energy industry in Chongqing and even Southwest China. The establishment of the center is inseparable from the policy support of the government, the resource investment of the university, and the long-term trust of our customers and partners. Here, on behalf of Sennan, I solemnly promise: we will continue to invest funds, technology, and human resources to work hand in hand with Chongqing Electric Power College to create an "open, shared, and win-win" innovation ecosystem, transforming the sparks of wisdom in the laboratory into a real driving force for industry progress!

Recently, Sennan Smart Lighting New Energy (Chongqing) Co., Ltd. and Chongqing Sennan Electric Co., Ltd. welcomed a group of special guests—a client team from Jordan. This visit not only brought international attention to both companies but also facilitated a landmark annual cooperation agreement. To ensure the smooth and fruitful visit of the Jordanian clients, Sennan Smart Lighting New Energy and Sennan Electric attached great importance to the trip and made meticulous preparations in advance. Liu Juan, the head of foreign trade, led a professional team to ensure perfection in everything from itinerary planning to reception details. When the Jordanian clients arrived in Chongqing, Liu Juan and her team warmly welcomed the guests, making them feel right at home. Under Liu Juan's guidance, the Jordanian clients conducted an on-site inspection of Sennan Electric's charging pile manufacturing plant. During the inspection, Liu Juan provided a detailed introduction to the factory's production process, quality control system, and advanced production technology. From rigorous raw material selection to meticulous finished product testing, every step reflects Sennan Electric's unwavering pursuit of product quality. Subsequently, the clients toured the production workshop, witnessing firsthand the entire process of charging pile assembly, from component assembly to finished product rollout. The workers' skilled operations and efficient production pace left a deep impression on the Jordanian clients. Liu Juan also showcased various models and series of charging piles for different application scenarios, including home charging piles, public charging piles, and fast charging piles, providing detailed explanations of each product's features, performance advantages, and technical parameters. Liu Juan and her team provided professional and detailed answers to the various questions raised by the Jordanian clients, giving them a more comprehensive and in-depth understanding of the products. After a comprehensive and in-depth inspection, the Jordanian clients highly praised Sennan Zhiguang New Energy and Sennan Electric's overall strength, product quality, and professional services. They expressed that this visit demonstrated the two companies' professionalism and innovation capabilities in the new energy field, filling them with confidence for future cooperation. Ultimately, both parties reached an annual cooperation agreement in a friendly and trusting atmosphere. According to the agreement, Sennan Smart Lighting New Energy and Sennan Electric will provide Jordanian customers with high-quality charging pile products and comprehensive after-sales service, contributing to the construction of Jordan's new energy infrastructure. This successful cooperation with Jordanian customers marks a significant step forward for Sennan Smart Lighting New Energy and Sennan Electric in the international market. It not only demonstrates the two companies' strong competitiveness and brand influence in the new energy field but also lays a solid foundation for further expansion into the international market. Yue Qiubao, Chairman of Sennan Smart Lighting New Energy and Sennan Electric, stated that they will continue to uphold the principles of "innovation, quality, and service," continuously improving product technology and service quality, strengthening exchanges and cooperation with the international market, and contributing more to the development of the global new energy industry. At the same time, the company will use this cooperation as an opportunity to continuously optimize its product structure, improve production efficiency, meet the diverse needs of international customers, and achieve win-win development for both the company and its customers.

On May 22, 2025, the 7th Western China International Fair for Investment and Trade opened at the Chongqing Yuelai International Expo Center. Chongqing Sennan Electric Co., Ltd., a high-tech enterprise in Chongqing, participated in the exhibition with its independently developed 60KW-240KW integrated DC charging piles, becoming a technological focus in the new energy exhibition area. During the exhibition, leaders including Lin Xuyang, Secretary of the District Party Committee, Zhuo Dalin, District Mayor, Yang Hui, Deputy District Mayor, and Wan Chaoxue, Vice Chairman of the Beibei District CPPCC, visited the Sennan Electric booth for inspection and guidance. Liu Juan, Deputy General Manager of the company, systematically introduced the six core advantages of the product to the leaders: a "technological aesthetic" appearance adopting cutting-edge industrial design, a multi-layered "safety protection" technology system, a "smart interaction" system supporting remote management, "high-efficiency and energy-saving" energy utilization, "personalized customization" solutions adaptable to different scenarios, and a future-oriented "high-voltage platform" architecture. The leaders inquired in detail about the company's production and operation, and fully affirmed the company's achievements in adhering to independent innovation and deeply cultivating the new energy field. This exhibition fully demonstrated Sennan Electric's technological strength in the field of charging infrastructure. The company will continue to drive development through innovation, contributing its strength to the upgrading of the western new energy industry and the achievement of the "dual-carbon" goal. The charging pile product has passed the national 3C certification, reduces maintenance costs by 30% through an intelligent operation and maintenance system, and achieves seamless integration with State Grid power facilities, reflecting the company's professional advantages in the field of power installation general contracting. Since its establishment in 2014, Sennan Electric has developed into a technology-based SME with an annual production capacity exceeding 200 million yuan. This exhibition is not only an important showcase of its "new energy construction" business segment, but also a practical response to the Western China International Fair for Investment and Trade's theme of "New West, New Manufacturing, New Services." The company stated that it will continue to deepen cooperation with strategic partners such as China Construction and China Communications Construction Company to promote the construction of green energy infrastructure in the Chengdu-Chongqing economic circle.

On June 27, 2025, the 20th China International Small and Medium Enterprises Fair (CIFIT) grandly opened at the Canton Fair Complex. As a national-level exhibition hosted by the Ministry of Industry and Information Technology, this year's CIFIT, themed "Strengthening Cooperation, Expanding Exchanges, Mutual Benefit and Win-Win, and Joint Development," attracted numerous domestic and international SMEs to participate. Chongqing Sennan Electric Co., Ltd. and its affiliated company, Sennan Zhiguang New Energy (Chongqing) Co., Ltd., showcased their innovative products, among which the smart charging pile with a parking space management system became a focus of the exhibition, receiving high attention and encouragement from the Vice Minister of the Ministry of Industry and Information Technology and leaders from the Chongqing Municipal Commission of Economy and Information Technology. At the Chongqing Sennan Electric booth, the smart charging pile with a parking space management system attracted the attention of many visitors. This charging pile integrates multiple cutting-edge technologies and features two core highlights: anti-collision structural design and intelligent parking space management. The anti-collision structure, through optimized physical protection and integrated intelligent sensing technology, constructs a comprehensive safety barrier for charging piles. When a vehicle approaches a charging pile, the intelligent sensing system monitors distance and speed in real time. Once a potential collision risk is detected, a warning mechanism is immediately triggered, effectively preventing collisions between the vehicle and the charging pile, significantly improving equipment safety and lifespan. The intelligent occupancy management system, relying on advanced sensors and IoT technology, achieves real-time and accurate monitoring of the charging pile's usage status. Through big data analysis and algorithm optimization, the system can dynamically adjust the allocation of charging pile resources, effectively solving the industry pain point of "occupying a spot without charging," and significantly improving charging efficiency and resource utilization. In addition, the charging pile also supports intelligent functions such as remote monitoring, fault warning, and data statistics, providing operators with convenient and efficient management tools and reducing operation and maintenance costs. During the exhibition, the Vice Minister of the Ministry of Industry and Information Technology and leaders from the Chongqing Municipal Commission of Economy and Information Technology visited the Chongqing Sennan Electric booth to learn about the technical features, application scenarios, and market prospects of the intelligent charging pile with occupancy system. Company representatives introduced the product's R&D process, innovative breakthroughs, and significant achievements in practical applications to the leaders. The Vice Minister of the Ministry of Industry and Information Technology (MIIT) fully affirmed the innovative achievements of Chongqing Sennan Electric. He pointed out that with the rapid development of the new energy vehicle industry, the construction of charging infrastructure is crucial. Sennan Electric's intelligent charging piles have solved key industry problems through technological innovation, providing strong support for the sustainable development of the new energy vehicle industry. He encouraged the company to continue increasing R&D investment, continuously improving product performance and quality, promoting the intelligent upgrading of charging infrastructure, and contributing more to the high-quality development of my country's new energy vehicle industry. Leaders from the Chongqing Municipal Commission of Economy and Information Technology also expressed their appreciation for the company's development achievements and stated that they will continue to support the company's innovative development, providing policy guidance and service guarantees to help the company achieve greater breakthroughs in the new energy field. Chongqing Sennan Electric Co., Ltd., established in 2014, is a national high-tech enterprise and a provincial-level specialized and innovative enterprise integrating electrical machinery and equipment manufacturing, power facility installation and maintenance. The company possesses a power installation general contracting qualification, its products have passed the national 3C certification, and its annual production capacity exceeds 200 million yuan. As of 2025, the company had accumulated 38 patents, participated in 19 bidding projects, and established long-term strategic partnerships with well-known enterprises such as China State Construction Engineering Corporation (CSCEC), China Communications Construction Company (CCCC), and State Grid Corporation of China. Sennan Zhiguang New Energy (Chongqing) Co., Ltd., an affiliated company of Sennan Electric, participated in this exhibition, forming a good synergistic development pattern with it in the new energy field. The two companies jointly showcased their comprehensive strength in charging pile technology research and development, manufacturing, and market application, demonstrating their strategic layout and forward-looking vision in the new energy sector. A relevant person in charge of Chongqing Sennan Electric stated that participating in the Canton Fair and the China International SME Fair not only provided the company with a high-quality platform to showcase innovative achievements and exchange industry experience, but also created good opportunities for the company to expand domestic and international markets and strengthen international cooperation. In the future, the company will continue to adhere to the innovation-driven development strategy, increase R&D investment in the new energy field, continuously promote product iteration and upgrading, and enhance the company's core competitiveness.

A solar storage EV charging station combines photovoltaic generation, battery energy storage, and electric vehicle charging into a single, coordinated system. As businesses seek greener and more cost-effective ways to power their fleets and charging operations, an integrated PV battery charging system delivers both economic and environmental advantages. This article explores how a renewable energy EV charging solution works, its key benefits, and what to consider when planning a deployment.       What is a Solar Storage EV Charging Station?   The Integrated Concept   A solar storage EV charging station is more than just a solar array next to a charger and a battery — it is a fully integrated system where all components communicate and work together under unified control. This flexible energy flow allows the system to adapt to varying conditions — from sunny afternoons with high solar output to cloudy days or overnight charging when storage and grid power carry the load.   Key System Components   A fully integrated PV battery charging system involves several key components working together in a coordinated manner. In a properly designed renewable energy EV charging solution, each component is sized and configured to complement the others, ensuring maximum efficiency and return on investment.   Each of these components must be carefully selected and sized, and the system as a whole must be properly designed and controlled, to achieve optimal performance and economic returns.   Benefits of Integrated PV Battery Charging Systems   Economic Benefits   One of the most compelling reasons to deploy a solar storage is the economic value it delivers. While the upfront cost is higher than a simple grid-connected charger, the combined system can generate significant savings and revenue over its lifetime.   Future cost hedging:   Electricity prices generally rise over time. By generating and storing your own electricity, you hedge against future electricity price increases, providing greater cost certainty for your EV charging operations.   Environmental Benefits   Beyond the economics, solar storage EV charging stations offer significant environmental benefits that are increasingly important for businesses committed to sustainability.   Reduced grid strain:   On-site solar generation and storage reduce the amount of power that must be drawn from the grid during charging, particularly during peak periods. This reduces strain on the distribution grid and can help defer the need for costly grid upgrades to support EV charging.   Green marketing and branding:   Solar canopies over EV charging stations are highly visible demonstrations of a company's commitment to sustainability, which can enhance brand image and resonate with customers, employees, and stakeholders.   Operational and Resilience Benefits   Solar storage EV charging systems also offer operational and resilience advantages that are increasingly valuable in today's energy landscape.   System Design and Sizing Considerations   Solar Array Sizing   Properly sizing the solar array is a critical first step in designing a solar storage. An undersized array won't generate enough energy to meaningfully offset charging costs, while an oversized system wastes money on unused capacity.   However, these are very rough numbers, and proper system sizing should be done by an experienced solar designer or engineer who can do detailed simulation based on your specific site, rates, and charging patterns.   Battery Sizing and Technology   Battery energy storage is the key component that transforms a simple solar-plus-charging system into a fully integrated solar storage. Proper battery sizing and technology selection are crucial for both performance and economics.   Sizing the battery correctly is important because both undersizing (leaving money on the table) and oversizing (paying for capacity you don't need) hurt economics. Detailed modeling of solar generation, charging demand, and electricity rates is needed to find the optimal battery size. As a leading provider in this field, Sennan Electric offers renewable energy EV charging solution tailored to diverse industry needs.   Charger Selection and Configuration   The EV charging equipment itself is, of course, a critical component of the system. The type, number, and configuration of chargers affect everything from solar and battery sizing to grid connection requirements.   Energy Management and Control System   The energy management system (EMS) is the brains of the operation and arguably the most important component for maximizing the value of an integrated solar storage charging station.   Grid Interconnection Considerations   Most solar storages remain connected to the utility grid, and the specifics of this grid connection have important implications for system design, economics, and permitting.   Key grid interconnection issues:   Interconnection process: The utility's requirements for connecting distributed energy resources can be complex and time-consuming. Understanding this process early is important for project planning. Net metering and export rates: Whether you can export excess solar to the grid, and at what rate, significantly affects system economics. Policies vary widely by location. Demand charges: How demand charges are calculated and whether you can avoid them with storage is often the most important economic factor for commercial EV charging installations. Islanding and backup power: If you want the system to operate independently during outages, there are additional technical and regulatory requirements.   Navigating these grid interconnection and rate issues can be complex, which is why working with experienced solar and storage integrators who understand the local regulatory landscape is important.       Applications and Use Cases   Workplace and Commercial Charging   One of the most natural applications for solar storage EV charging is at workplaces and commercial facilities, where employees and visitors charge during the daytime — the same time the sun is shining.   Why it works well for workplaces:   Daytime charging matches solar generation: Employee charging typically occurs during work hours, which overlaps well with solar production. This means a higher percentage of charging can be powered directly by solar, without needing as much battery storage. - Demand charge savings: Commercial demand charges are often significant, and the battery can reduce peak demand from EV charging (and other facility loads). - Sustainability benefits: Solar-powered employee charging is a visible demonstration of a company's commitment to sustainability, which is valued by employees, customers, and investors. - Employee benefit: Providing EV charging is an increasingly important employee benefit, and powering it with solar makes it even more attractive. - Roof or canopy space: Many commercial facilities have large, flat roofs or parking lots that are ideal for solar installations.   For many businesses, the combination of energy cost savings, demand charge reduction, employee benefits, and sustainability benefits makes workplace solar storage EV charging a compelling investment.   Fleet Depots   Fleet depots are another excellent use case for solar storage EV charging, and one where the economics are often particularly strong.   Why it works for fleets:   Predictable charging patterns: Fleets have known routes, schedules, and charging patterns, making it easier to right-size the system and predict savings. High energy consumption: Fleets can consume large amounts of electricity for charging, so the savings from solar and demand charge management add up quickly. Parked during the day: Many fleets (delivery vans, school buses, municipal fleets) are parked during part of the day, allowing daytime charging that can be powered by solar. Overnight charging: Fleets that charge overnight benefit from the battery storing solar energy for use during nighttime charging sessions.   Installation and Deployment Process   Deploying a solar storage is a multi-step process that involves design, permitting, construction, commissioning, and ongoing operation.   Planning and Design Phase   The planning and design phase lays the foundation for a successful project. Rushing this phase often leads to problems later. Key steps in planning and design:   Needs assessment: Understand your EV charging needs — number and type of vehicles, charging patterns, required charge speed, etc. - Site assessment: Evaluate the site for solar potential, available space, grid connection capacity, electrical infrastructure, and any constraints. - Load analysis: Analyze current and future electricity loads (including EV charging) to understand demand profiles and demand charges. - Utility rate analysis: Review available utility rate schedules to understand how rates affect project economics and design. - Conceptual design: Develop a preliminary system design with approximate sizes for solar, battery, and chargers. - Economic analysis: Model the costs and savings of the project to determine payback period, ROI, and other financial metrics. - Technology selection: Select specific equipment types and potentially specific manufacturers and models. As a leading provider in this field, Sennan Electric offers renewable energy EV charging solution tailored to diverse industry needs.   It is often worth engaging an experienced solar and storage integrator or engineering firm during this phase to ensure that the design is sound and the economics are realistic.   Permitting and Interconnection   Starting the permitting and interconnection process early, with experienced professionals managing it, can significantly reduce delays.   Construction and Commissioning   Cutting corners on commissioning can lead to safety issues, performance shortfalls, and warranty problems down the line.   Operations and Maintenance   After the system is commissioned, ongoing operations and maintenance are required to keep it performing optimally throughout its service life.   Who does O&M:   Some operators handle O&M in-house Others contract it out to the system integrator or a third-party O&M provider Many equipment manufacturers offer extended warranties and service contracts   A well-executed O&M program helps ensure that the system delivers the expected performance and savings over its entire service life, which is typically 20-25 years for solar panels and 10-15+ years for battery systems (depending on chemistry and usage).   Future Outlook   Technology Trends   The technologies that make up solar storage EV charging systems — solar PV, lithium-ion batteries, and EV chargers — are all advancing rapidly, and their integration is becoming more sophisticated as well.         Market Growth and Drivers   The market for solar storage EV charging is expected to grow significantly in the coming years, driven by several powerful trends.   Growth drivers:   EV adoption growth: As more EVs hit the road, demand for charging infrastructure continues to grow Solar cost declines: Solar PV continues to get cheaper, increasing the economic case Battery cost declines: Falling battery costs make storage increasingly economic for more applications Rising electricity costs: As electricity prices rise, generating and storing your own power becomes more attractive   As costs continue to decline and the technology matures, solar storage EV charging is expected to move from a niche offering to a mainstream approach to EV charging infrastructure deployment.

As the global EV market expands rapidly, the importance of robust EV charging station safety standards cannot be overstated. Buyers, installers, and operators must prioritize electrical safety for EV chargers to protect users, prevent equipment damage, and ensure long-term reliability. This guide covers the key standards, charger testing and certification requirements, and essential safety features that define quality charging equipment today.       Why EV Charger Safety Matters   The Unique Safety Challenges of EV Charging   EV charging equipment operates in conditions that combine high electrical power with environmental exposure and user interaction, creating a unique set of safety challenges.   For all these reasons, comprehensive safety standards, testing, and certification are not just nice-to-have features for EV charging equipment — they are essential requirements that protect users, operators, and the public.   Consequences of Poor Safety   Given these high stakes, it is clear why investing in proper safety design, testing, and certification is not just a compliance requirement — it is a fundamental business imperative for any EV charger manufacturer.   Major EV Charging Safety Standards International Standards Overview   Key standard-setting organizations:   IEC (International Electrotechnical Commission): Develops international standards for electrical and electronic technologies, including EV charging. The IEC 61851 series and IEC 62196 series are foundational for EV charging safety. ISO (International Organization for Standardization): Develops standards across many industries. ISO collaborates with IEC on EV charging standards, particularly for communication protocols (ISO 15118) and general safety aspects. UL (Underwriters Laboratories): A global safety certification organization that develops standards and provides certification services. UL has developed extensive standards for EV charging equipment.   These standards are regularly updated to reflect technological developments, new safety knowledge, and changing market requirements. Working with a manufacturer that stays current with the latest standard revisions is important for ensuring long-term compliance and safety.   IEC 61851 Series — Conductive Charging System Safety   The IEC 61851 series is one of the most important sets of standards for EV conductive charging systems, covering general requirements, AC chargers, DC chargers, and other aspects of charging system safety and performance. It is widely referenced by EV charging station safety standards around the world and forms the technical backbone for national and regional certification schemes.   IEC 62196 Series — Connectors and Interfaces   The IEC 62196 series covers connectors, cable assemblies, and vehicle inlets for conductive EV charging. These standards ensure that charging connectors and cables are safe, interoperable, and durable.   Connector safety is particularly important because the charging connector is the part that users handle directly, and it must remain safe even after thousands of connect-disconnect cycles under varying environmental conditions.   UL Standards for EV Charging   UL (Underwriters Laboratories) has developed a comprehensive set of standards for EV charging equipment that are widely used in North America and recognized globally.   UL certification is particularly important for the North American market but is also recognized internationally as a mark of safety quality. Many global manufacturers obtain UL certification for their products as a demonstration of their commitment to safety excellence.   Regional and National Standards   In addition to international standards, many countries and regions have their own specific requirements, adaptations, or additional standards for EV charging equipment.   North America:   NEC (National Electrical Code): US electrical code that includes requirements for EV charging installations CEC (Canadian Electrical Code): Canadian equivalent State and local codes: Additional requirements may apply at state or local levels As a leading provider in this field, Sennan Electric offers electrical safety for EV chargers tailored to diverse industry needs.   Other regions:   Japan: JIS standards and CHAdeMO association specifications Australia/New Zealand: Adapts IEC standards with some local modifications India: IS standards and evolving EV charging regulations   Charger Testing and Certification Process   Types of Safety Testing   Demonstrating compliance with EV charging station safety standards requires extensive testing by qualified laboratories. These tests cover a wide range of safety aspects and environmental conditions.   Electrical safety tests:   Dielectric voltage withstand test (hipot test): Applies high voltage between live parts and ground (or between isolated circuits) to verify that insulation can withstand expected voltage stresses without breakdown. Insulation resistance test: Measures the resistance of insulation to verify it meets minimum requirements. Leakage current test: Measures current that leaks through insulation under normal operating conditions to ensure it is below safe limits.   The specific testing required depends on the standard, product type, and target market. Reputable manufacturers like Sennan Electric work with accredited third-party testing laboratories to conduct these tests and obtain independent certification. Proper charger testing and certification provide objective evidence that a product meets all applicable safety requirements and give buyers confidence that they are investing in safe, reliable equipment.   The Certification Process   Certification is the process by which an independent third party (a certification body) verifies that a product meets applicable standards and issues a certificate or mark attesting to compliance.   Typical certification process:   Product development and pre-testing: The manufacturer develops the product and conducts internal pre-testing to identify and resolve issues before formal certification. Submission to certification body: The manufacturer submits product samples, documentation, and technical files to an accredited certification body. Type testing: The certification body (or its designated testing laboratory) conducts comprehensive type testing according to the applicable standard. Technical review: The certification body reviews the test results and technical documentation to verify compliance.   Major certification marks for EV charging equipment:   CE mark: Required for products sold in the European Economic Area, indicating compliance with applicable EU directives UL mark: Underwriters Laboratories certification, widely recognized in North America and globally ETL mark: Intertek certification, another widely recognized NRTL (Nationally Recognized Testing Laboratory) mark in the US TÜV mark: TÜV Rheinland, TÜV SÜD, and other TÜV organizations provide certification services, particularly important in Germany and Europe       Key Electrical Safety Features of EV Chargers   Protection Against Electric Shock   Protecting users from electric shock is the most fundamental requirement for electrical safety for EV chargers. Several layers of protection are built into safe charging equipment.   For DC fast chargers, the situation is more complex because the DC side also requires protection. DC ground fault detection is necessary to detect faults on the DC side of the charger that could create hazards in the vehicle or charging cable.   Touch voltage protection:   Even under fault conditions, the voltage that a user could be exposed to must be limited to safe levels. Proper grounding, RCD protection, and insulation all contribute to keeping touch voltages within safe limits.   Overcurrent and Overvoltage Protection   EV chargers include multiple layers of protection against overcurrent and overvoltage conditions that could damage equipment or create safety hazards. These protections are essential elements of electrical safety for EV chargers and are required by all major EV charging station safety standards.   Thermal Safety and Fire Prevention   High-power EV charging generates significant heat, and managing thermal conditions is critical for both safety and equipment longevity.   Temperature monitoring:   Safe EV chargers include temperature sensors at multiple points — in the power electronics, in the connector, in the cable, and sometimes elsewhere. If temperatures exceed safe limits, the charger reduces power or shuts down to prevent overheating.   Functional Safety   Functional safety refers to the safety of the control systems and protective functions themselves — essentially, ensuring that the safety systems work correctly when needed.   While full functional safety certification to the highest levels is not always required for EV chargers, good manufacturers follow these principles in design and testing to ensure safety systems are reliable and effective.   Installation and Operational Safety   Installation Best Practices   Even the safest charging equipment can become a hazard if installed incorrectly. Proper installation is essential for maintaining the safety of the charging station over its service life.   Key installation safety considerations:   Working with qualified, experienced installers who are familiar with EV charging installations is essential for ensuring that charging stations are installed safely and correctly.   Maintenance and Ongoing Safety   EV charging stations require regular maintenance to maintain their safety and performance over their service life.   Frequency of maintenance:   The required maintenance frequency depends on factors like:   Charger type and power level Environmental conditions (temperature, humidity, dust, etc.) Usage level and number of charging sessions Manufacturer recommendations Regulatory or code requirements   For public DC fast chargers in heavy use, quarterly or even monthly maintenance inspections may be appropriate. For lower-use Level 2 chargers in mild environments, semi-annual or annual inspections may be sufficient.   Importance of genuine parts:   When repairs or replacements are needed, using genuine manufacturer parts is important for maintaining safety. Using counterfeit or incompatible replacement parts can compromise safety and may void certifications or warranties. Evaluating Charger Safety When Sourcing   What to Look for in a Supplier   While no manufacturer is perfect, a genuine commitment to safety should be evident throughout the organization — from design and engineering through manufacturing, testing, and customer support.   Red Flags to Watch For   When evaluating lower-cost chargers from unfamiliar suppliers, there are certain red flags that may indicate safety concerns:   Supplier red flags:   Reluctance to provide test reports or certificates Refusal to allow factory inspections or third-party audits No clear warranty terms or contact information No established track record or customer references     Sennan Electric's Commitment to Safety   Our safety philosophy:   Safety by design: We design safety into our products from the beginning, rather than trying to add it on at the end. Our engineering team follows best practices for electrical safety design, thermal management, and functional safety. Rigorous testing: Every product undergoes extensive internal testing before it ever reaches a certification lab. We conduct electrical safety tests, environmental tests, reliability tests, and field tests to identify and resolve issues before products are released. Third-party certification: We work with leading international certification bodies to obtain independent verification of our products' safety and performance.

What is V2G Bidirectional Charging?   The Basic Concept   V2G bidirectional charging technology represents a fundamental shift in how electric vehicles interact with the power grid — turning EVs from passive consumers into active, flexible grid resources.   How V2G differs from other charging concepts:   V1G (Unidirectional): Conventional charging where power flows only from grid to vehicle. Even without bidirectional capability, smart charging (controlling the timing and rate of charge) can provide some grid benefits. V2H (Vehicle-to-Home): Using the EV battery to power a home, typically during a power outage or to reduce peak demand charges. This is bidirectional but local, not grid-connected in the utility sense. V2B (Vehicle-to-Building): Similar to V2H but for larger buildings, using EV batteries to supplement building power and reduce peak demand. V2G (Vehicle-to-Grid): Full two-way interaction with the electric grid, where the EV participates in grid services, demand response programs, and wholesale energy markets.   While V2H and V2B are valuable applications and important steps on the path, true V2G offers the greatest potential for grid services and the largest market opportunity for EV owners and charging providers.         How Bidirectional Charging Works   Bi-directional EV chargers for grid services are more complex than standard chargers because they must handle power flow in both directions while maintaining grid compatibility and safety. Unlike ordinary chargers that simply convert AC to DC for battery charging, V2G bidirectional charging technology requires sophisticated power electronics that can invert DC battery power back to AC, synchronize with grid voltage and frequency, and meet all grid code requirements.   Key components of a V2G system:   The Benefits of Vehicle-to-Grid Integration   For Grid Operators and Utilities   Vehicle-to-grid integration solutions offer significant benefits for electric grids and utility companies, particularly as renewable energy penetration increases and grid complexity grows. By enabling large fleets of EVs to charge and discharge in response to grid signals, vehicle to grid integration solutions help balance supply and demand, support renewable integration, and reduce the need for costly grid infrastructure upgrades.   For EV Owners and Fleet Operators   Beyond the grid-level benefits, V2G also creates new opportunities and value streams for EV owners and fleet operators.   For the Environment and Society   Reduced need for new power plants:   With V2G providing peak capacity and ancillary services, there is less need to build new peaker power plants, many of which run on fossil fuels. This both reduces emissions and avoids the environmental disruption of new power plant construction.   V2G Applications and Use Cases   Residential V2G   Residential V2G involves individual homeowners with bidirectional chargers participating in utility programs or demand response initiatives. While the capacity of a single residential EV is relatively small, large numbers of them aggregated together can provide significant grid resources. A residential bi-directional EV charger for grid services typically operates at 7-11 kW, which is sufficient for most homes and can still contribute meaningfully when aggregated across thousands of households.   Despite these challenges, residential V2G is expected to grow significantly as more vehicles support bidirectional charging and as utilities develop programs and rate structures that make V2G economically attractive for homeowners.   Commercial and Fleet V2G   Commercial fleets represent perhaps the most promising near-term application for V2G, because fleets typically have predictable schedules, centralized charging, larger batteries, and higher energy costs that make the economics more favorable.   Fleet V2G applications:   Peak demand reduction: Fleet depots with high electricity demand can use V2G to reduce peak demand charges, which are often one of the largest components of commercial electricity bills. By discharging vehicle batteries during peak periods, fleets can significantly reduce their demand charges. Demand response participation: Fleets can participate in utility demand response programs, earning revenue for reducing load (or injecting power) when the grid is stressed. On-site renewable integration: Fleets with on-site solar generation can use V2G to store excess solar energy in vehicle batteries, maximizing self-consumption and reducing grid electricity purchases. Backup power for facilities: In the event of a power outage, fleet EVs with V2G can provide backup power to depot facilities, keeping critical operations running. Microgrid support: Fleet depots operating as or within microgrids can use V2G as a distributed energy resource to help balance the microgrid and improve resilience.   Sennan Electric works with fleet operators and depot managers to design and implement V2G-enabled charging solutions that maximize the value of fleet electrification while ensuring that operational requirements are always met. Our V2G bidirectional charging technology is optimized for fleet applications, with features like smart scheduling, priority charging, and configurable discharge parameters that keep vehicles ready for service while extracting maximum value from V2G participation.   Utility-Scale V2G Aggregation   At the utility scale, aggregators combine hundreds or thousands of V2G-enabled EVs into a single resource that can participate in wholesale electricity markets and provide grid services at scale.         Technical Challenges and Considerations   Charger and Vehicle Compatibility   One of the most significant technical barriers to V2G adoption is the current state of charger and vehicle compatibility.   Charger considerations:   Cost: Bidirectional chargers are significantly more expensive than standard unidirectional chargers, primarily due to the more complex power electronics required. As production volumes increase and technology matures, this cost premium is expected to decrease.   Standards: Multiple standards exist for bidirectional charging, and interoperability between different chargers and vehicles is not always guaranteed. Common standards include CHAdeMO (which has supported bidirectional charging for years), CCS (where bidirectional standards are still being finalized), and Tesla's NACS (which has announced V2G capability plans).   Power levels: V2G chargers are available in various power levels, from relatively low-power AC bidirectional chargers to high-power DC bidirectional fast chargers. The appropriate power level depends on the application, battery size, and desired charge/discharge times.   Vehicle considerations:   BMS support: The vehicle's battery management system must explicitly support bidirectional charging and V2G functionality. Most EVs currently on the market do not support V2G, though an increasing number of new models are adding this capability.   Battery warranty: A major concern for EV owners considering V2G is whether bidirectional charging will affect their battery warranty. Many vehicle warranties currently do not explicitly cover V2G use, creating uncertainty. However, some manufacturers have started to include V2G in their warranties.   Battery degradation: Excessive cycling from V2G could potentially accelerate battery degradation. However, studies suggest that with proper control strategies, the impact of moderate V2G use on battery life is minimal and may even be beneficial in some cases by keeping the battery at an optimal state of charge.   Communication protocols: V2G requires communication between the charger, vehicle, and grid management system. Standardized communication protocols are essential for interoperability, and progress is being made in this area with standards like OCPP 2.0.1 and ISO 15118-20.   Grid Interconnection and Power Quality   Connecting bidirectional chargers to the electric grid raises important technical issues related to safety, power quality, and grid stability.   Power quality considerations:   Harmonics: Power electronic converters (like those in bidirectional chargers) can inject harmonic currents into the grid. Modern V2G chargers use advanced control techniques and filtering to keep harmonic distortion within acceptable limits defined by standards like IEEE 519 and IEC 61000. Voltage regulation: The injection of active power by V2G chargers can affect local voltage levels. Chargers must be designed to maintain voltage within acceptable ranges and potentially provide reactive power support for voltage regulation. Frequency response: V2G chargers must synchronize with grid frequency and respond appropriately to frequency deviations. They must also cease to energize the grid if frequency or voltage goes outside acceptable ranges. As a leading provider in this field, Sennan Electric offers bi-directional EV charger for grid services tailored to diverse industry needs.   Cybersecurity and Data Privacy   As with any grid-connected smart technology, V2G systems introduce cybersecurity and data privacy considerations that must be taken seriously. A robust bi-directional EV charger for grid services must include end-to-end security — from firmware signing and secure boot to encrypted cloud communication — to protect both grid operations and user data.   Regulatory and Market Landscape   Global V2G Developments   As EV adoption continues to accelerate worldwide and as the technology and regulatory frameworks for V2G mature, we can expect to see V2G move from pilot projects to commercial deployment in an increasing number of markets.   Business Models and Economics   The economic viability of V2G depends on the specific business model, the local electricity market structure, regulatory conditions, and the costs of equipment and installation. Several V2G business models are currently being tested and deployed, each requiring different levels of investment in vehicle to grid integration solutions and supporting infrastructure.   Fleet operator V2G:   Fleet operators use V2G primarily for their own benefit — reducing demand charges, maximizing on-site solar consumption, and improving resilience — rather than selling services to the grid. The economic case is based on internal cost savings rather than external revenue.   Managed charging plus V2G:   This model combines unidirectional smart charging (V1G) with some V2G capability, starting with simpler managed charging programs and adding bidirectional functionality as the business case develops. This phased approach reduces upfront investment and risk.   Sennan Electric's Role in V2G   Our V2G Charging Solutions   Sennan Electric is at the forefront of V2G charging technology, developing and manufacturing advanced bidirectional chargers and vehicle to grid integration solutions for residential, commercial, and utility applications. Our product lineup includes AC and DC bidirectional chargers across multiple power levels, all built on a common platform that supports seamless integration with our vehicle-to-grid integration solutions and third-party energy management systems.       Working with Industry Partners   Our partnership approach:   Automobile manufacturers: We work with EV manufacturers to ensure charger-vehicle interoperability and to develop new V2G features and capabilities. Utilities and grid operators: We collaborate with utilities and grid operators to develop V2G solutions that meet grid needs while benefiting EV owners. Aggregators and energy service providers: We partner with aggregators and energy service companies to integrate our chargers with their platforms and services. Fleet operators: We work directly with fleet operators to design V2G-enabled charging solutions that optimize both operational and financial performance. Research institutions: We partner with universities and research institutions on V2G research and technology development.   Conclusion   The road to widespread V2G will be built step by step, starting with the most economically attractive applications and expanding as technology improves and costs decline. For forward-looking businesses, utilities, and fleet operators, now is the time to start exploring V2G, understanding its potential, and positioning to benefit from this transformative technology.

This article provides a comprehensive framework for analyzing the economics of commercial EV charging. We break down the capital and operating costs in detail, explore the different public EV charger revenue model options, explain how to calculate payback period and ROI, identify the key factors that determine financial performance, and provide guidance on improving project economics. Whether you are evaluating a small Level 2 installation or a large DC fast charging hub, these analytical tools will help you make an informed investment decision.         Capital Costs   Equipment Cost   The charging equipment itself is usually the first cost people consider, and it varies dramatically depending on the type and power level of the charger.   Within each power category, price varies based on features (number of connectors, liquid cooling vs air cooling, display size, smart capabilities), build quality, brand, and certification status. Modular designs may have different pricing structures than fixed-power units.   It is important to note that equipment cost is only one component of the total project cost, and for many installations — especially DC fast charging — the installation and electrical work can cost as much or more than the equipment itself.   Installation costs are typically the largest variable in any EV charging station cost analysis, because they depend so heavily on site-specific conditions.   Professional services are another important cost category that is easy to underestimate.   Civil and structural engineering: For installations requiring significant site work — foundations, pavement modifications, stormwater considerations — civil engineering services may be needed.   Network and Software Setup   For network-connected smart chargers (which includes nearly all commercial chargers today), there are also software and network costs to consider.   Payment processing: If the chargers accept payment (credit cards, app payment), there are payment processing fees (typically 2-3% of transaction value plus per-transaction fees).   For sites that are part of a larger network or roaming network, there may also be roaming fees or network access fees. When evaluating commercial charging station ROI, it is important to include both the upfront setup costs and the ongoing software and transaction fees, as these can significantly impact net revenue.   Operating Costs   Electricity Cost   Demand charges are one of the biggest challenges to the economics of public DC fast charging. A charger that delivers 10,000 kWh per month at an average rate of 50 kW might have a demand charge based on a peak draw of 150 kW, which could add hundreds or thousands of dollars to the monthly bill.   For EV charging infrastructure investment analysis, it is conservative to budget 5-7% of equipment cost per year for maintenance and repairs, with higher percentages for older equipment outside the warranty period.   Network and Software Fees   As mentioned earlier, network platform fees are an ongoing cost for smart chargers. For most commercial installations, these fees are a relatively small portion of total operating costs — typically $10-$50 per charger per month.   However, for installations with payment processing, the per-transaction fees and payment processing fees can add up. A payment processing fee of 2.5% plus $0.30 per transaction might seem small, but at a busy DC fast charging station with many transactions, it can be significant.   Insurance, Administration, and Other Costs   Other operating costs that are easy to overlook:   Liability insurance: Additional insurance coverage for the charging infrastructure Property tax: In some jurisdictions, installed equipment may increase property tax assessment Accounting and billing: Administering billing, payments, and financial record-keeping Customer support: If offering paid public charging, customer support for payment issues, technical problems, etc.   While individually these may be small, together they can add up to a meaningful portion of operating costs, especially for smaller installations where the fixed costs are spread across fewer chargers and less revenue.   Revenue Models   Pay-Per-Use Model   The most straightforward public EV charger revenue model is pay-per-use — drivers pay for the electricity they receive, usually priced per kWh or per minute. This is the model used by most public charging networks. Understanding the drivers of EV charging infrastructure investment return is essential for making sound decisions about where and how to deploy charging assets.   Typical public charging pricing:   Level 2: $0.15-$0.50 per kWh, or $1-$3 per hour DC fast (50 kW): $0.25-$0.50 per kWh, or $15-$30 per hour equivalent DC fast (150+ kW): $0.35-$0.70+ per kWh, or $30-$80 per hour equivalent   Subscription/Membership Model   Some charging networks use a subscription model, where drivers pay a monthly or annual fee for access to charging, often at a discounted per-kWh rate. This provides more predictable recurring revenue for the operator and can build customer loyalty.   Subscription models work best for networks with many locations and a large base of regular users. For individual sites or small networks, pure pay-per-use is usually simpler and more common.       Fleet and Operational Savings   For fleet operators, the "revenue" from charging infrastructure is the fuel cost savings compared to diesel or gasoline. Electric vehicles have lower per-mile fuel costs — often 50-70% lower than equivalent diesel vehicles. The charging infrastructure is what enables these savings.   Multiple Revenue Streams Multiple revenue streams improve the business case and reduce risk — if one stream underperforms, others can compensate.   Simple Payback Period   The simple payback period is a useful quick calculation, but it has limitations — it does not account for the time value of money, future cost changes, or equipment degradation over time.   Net Present Value and IRR   For more sophisticated analysis, investors use net present value (NPV) and internal rate of return (IRR). These methods account for the time value of money — the idea that a dollar today is worth more than a dollar in the future.   NPV calculates the present value of all future cash flows (both costs and revenues) using a discount rate, then subtracts the initial investment. A positive NPV means the project is expected to generate value; a negative NPV means it is not expected to cover the cost of capital.   Break-Even Utilization   Another useful metric is the break-even utilization rate — the percentage of time the charger must be in use to cover its costs.   Break-even analysis is useful because it allows you to focus on the key question: is this location likely to achieve the required utilization? If you have good reason to believe utilization will be well above break-even, the investment is probably a good one. Improving commercial charging station ROI depends on maximizing utilization, managing operating costs, and capturing additional revenue streams beyond simple charging fees.   Key Factors That Determine Financial Success   Location, Location, Location   The single most important factor for public charging financial success is location. A charger in a high-demand location near a highway, shopping center, or dense urban area can have utilization rates several times higher than a similar charger in a low-demand area.   Good locations share these characteristics:   High existing EV traffic density Proximity to major highways or key routes Visibility and easy access   For destination charging (retail, hospitality), the "location" factor is different — it is less about being on a major route and more about being a destination that EV drivers want to visit. In this case, the quality of the destination itself is the primary driver of utilization.   Utilization Rate   Utilization rate (percentage of time the charger is in use) is the most important driver of revenue and profitability. Small changes in utilization have a big impact on financial results.   This is why location is so critical — it directly determines utilization, and utilization directly determines profitability.   Electricity Costs and Demand Charges   The cost of electricity has a direct impact on margins. For a charger that buys electricity at $0.15/kWh and sells it at $0.35/kWh, the gross margin per kWh is $0.20. If electricity costs $0.25/kWh instead, the margin drops to $0.10/kWh — a 50% reduction in margin from just a $0.10 increase in cost.   Demand charges are especially impactful for DC fast charging. A station with high peak demand but relatively low total energy delivered can have effective per-kWh electricity costs that are 2-3x the nominal energy rate due to demand charges.   Competition and Market Saturation   The competitive environment also affects financial performance. If there are many chargers in the same area, utilization and pricing power will be lower. If your location is the only convenient option in the area, you can charge more and will have higher utilization.   Equipment Quality and Reliability   This is why choosing reliable equipment from quality manufacturers is important, even if the upfront price is somewhat higher. The additional cost of premium equipment is usually more than offset by higher uptime and lower maintenance costs over the equipment's life.   Ways to Improve Project Economics   Take Advantage of Incentives   One of the most effective ways to improve the economics of a charging project is to take advantage of available financial incentives. Government grants, tax credits, rebates, and utility programs can significantly reduce upfront costs, sometimes covering 30-50% or more of the total project cost.   Researching and applying for incentives takes time and effort, but the financial return on that effort is usually very high. For many projects, incentives are the difference between a marginal investment and a strongly positive one.   Multiple Revenue Streams   For host locations (retail, hospitality), the "additional customer spending" revenue stream is often the largest and most important. Studies consistently show that EV drivers spend more at destinations where they charge — sometimes 20-50% more than average customers.   Optimize Energy Costs   For many installations, implementing these strategies can reduce net electricity costs by 25-50%, with a corresponding improvement in project economics.   Right-Size the Installation   Building more chargers than you need wastes capital and depresses utilization. Starting with fewer chargers and adding more as demand grows is usually better than overbuilding from day one.   At the same time, you should design the infrastructure for future expansion — install extra conduit, reserve panel capacity, and ensure the electrical service can support more chargers later. The incremental cost of preparing for expansion is usually small compared to the cost of retrofitting later.       Is the Investment Worth It?   The answer to whether an EV charging station is a good investment depends almost entirely on the specific situation. There is no universal answer — some installations have excellent returns, some are marginal, some lose money.   Good investments typically share these characteristics:   Strong location with clear demand drivers Multiple revenue or benefit streams Available incentives that reduce upfront cost Good energy cost management   Conclusion   The public EV charger revenue model is still evolving, and new business models continue to emerge. What is clear is that as EV adoption accelerates, charging infrastructure will only become more valuable — both as a direct business and as a facilitator of other businesses.   EV charging is a long-term investment in a transforming transportation system. For those who plan carefully and position themselves well, the returns — financial and otherwise — can be substantial.