Image: Rongke Power, WeChat
By ESS news
Alian Rongke Power introduced in Beijing what it described as the world’s most powerful single vanadium flow battery storage system, positioning the new product for long-term storage projects related to renewable energy bases, grid peak shaving and microgrids. According to a statement from the company, the new product is called TPower2000, with a capacity of 2 MW/8 MWh, and Rongke sees it as a step towards a more standardized supply of vanadium power systems on a GWh scale.
Rongke said the system is built around 62.5 kW stacks, with a single unit output several times higher than the previous generation. The product maintains a DC side efficiency of over 81% even at high power density, while supporting modular expansion from 2 MW to over 10 MW. The company also said the system footprint has been reduced to approximately 35 square meters per MWh, approximately 28% below the industry average cited in the report.
The design focus seems clear: reduce the barriers that have limited the broader deployment of vanadium flow batteries, including high initial costs, large footprint, operational complexity, and limited flexibility in project size. Rongke said the new platform uses a more standardized architecture to simplify engineering and accelerate project delivery, while also focusing on stronger lifecycle economics for long-term applications.
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