On July 3, 2025, Jiangsu Heng’an Energy Storage Technology Co., Ltd. (hereinafter referred to as “Heng’an Energy Storage”) achieved a milestone as its self-developed zinc-bromine flow battery off-grid energy storage system—the world’s first of its kind—officially passed acceptance by China National Petroleum Corporation (CNPC). This breakthrough marks significant progress in integrating new energy storage technology with petroleum extraction in China, further solidifying Heng’an Energy Storage’s leadership in the advanced energy storage sector.
According to Heng’an Energy Storage, this 180kWh system has operated stably since deployment, providing 24/7 zero-carbon power for oil extraction wells. It completely replaces conventional energy reliance in traditional oil extraction operations while dramatically reducing carbon emissions—a transformative advancement for sustainable development in the petroleum industry. Industry experts affirm this successful application establishes a replicable model for global oil extraction, demonstrating the feasibility and superiority of zinc-bromine flow batteries in petroleum operations. Simultaneously, it pioneers new pathways for green energy storage solutions across other energy sectors.
As a pioneer in next-generation energy storage, Heng’an Energy Storage specializes in zinc-bromine flow battery R&D and deployment. It stands as the world’s only provider with fully independent IP, complete industrial chain control, and 100% domestic production capability for zinc-bromine flow battery products and solutions. The company holds dozens of proprietary patents, leads multiple national research initiatives, and has established key national and industry standards in this field, positioning it at the forefront of technological capability and industry influence.
The successful acceptance of this globally pioneering system not only represents a major triumph in technological innovation and application for Heng’an Energy Storage but also delivers a viable decarbonization roadmap for China’s petroleum industry. Moving forward, the company will continue leveraging its technical expertise to expand applications of zinc-bromine flow battery technology across diverse sectors, driving global energy transformation.
