, 2026, the world's first large-scale 400 MWh power station with 628 Ah energy storage batteries was put into operation. The power station is equipped with 80 sets of 5MWh energy storage DC system Mr. Giant and 40 sets of step-up converter integrated cabin, which marks the technical route of large batteries led by lithium energy in Yiwei. Complete the key leap from forward-looking exploration to grid-level demonstration , and lay a solid foundation for the high-quality development of energy storage industry. Zhou Ziguan, Chairman of
Beijing State Grid Electric Power Technology Co., Ltd. (Hereinafter referred to as "Beijing State Grid Technology"), Chen Xiang, Senior Vice President of Yiwei Lithium Energy, Peng Aicheng, and other senior leaders of both sides came to the scene to witness this highlight. At the ceremony, Zheng Malin, Secretary and Chief Financial Officer of Beijing State Grid Technology, and Liu Hongguang, General Manager of Domestic Sales Department of Yiwei Lithium Energy Storage, signed a strategic cooperation agreement on behalf of both sides for the future 10g Wh battery system, pushing the cooperation between the two sides to a new strategic height.
From demonstration to benchmarking: Large battery technology completes grid-level verification
. The core of high-quality development of energy storage industry lies in supporting large-scale application with reliable technology. The success of 200MW/400MWh independent energy storage project in Lingshou County of Ruite New Energy proves that 628Ah large battery technology has fully possessed the comprehensive ability to support the stable and efficient operation of grid-level projects. Behind
this is the complete industrial closed-loop constructed by the "three pioneers" of lithium energy in Yiwei-the first release, the first mass production and the first application . Up to now, the total number of lithium batteries in Yiwei has exceeded 1 million , and the scale manufacturing and maturity have been verified. The system
put into operation this time deeply integrates the intrinsic safety battery core technology of Yiwei Lithium Energy and the concept of minimalist integrated system. Through core innovations such as lamination process and high toughness diaphragm, the life cycle cost per kilowatt hour (LCOS) is significantly optimized while improving intrinsic safety, which accurately matches the essential requirements of the new power system for energy storage core equipment with "high safety, high efficiency and long life".
From cooperation to symbiosis: 10GWh strategic binding locks in the future
of the industry. The value of technology lies in large-scale implementation, and the future of the industry lies in ecological synergy. The signing of the strategic agreement of 10GWh energy storage battery system marks that the cooperation between Yiwei Lithium Energy and State Grid Technology has been upgraded from a single project delivery to a long-term, deep and future-oriented strategic symbiotic relationship. Zhou Ziguan, chairman of
Beijing State Grid Technology, pointed out at the ceremony that the success of Lingshou project fully verified the significant advantages of large battery technology in improving the economy of power plants and the support capacity of power grids. This heavyweight order is the most powerful endorsement of the core force of energy infrastructure for the technical route of lithium energy in Yiwei, which confirms that large batteries are the deterministic direction for the future development of energy storage industry.
In the future, the two sides will accelerate technology landing and scenario expansion, promote the integration of industrial chain resources, and build a synergistic ecosystem of technology co-creation and value sharing.
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