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WEC to run long-duration storage pilot

February 20, 2023

In a project that could eventually be replicated across the US, WEC Energy Group, which has 4.6 million customers, is to test a new form of long-duration energy storage at its Valley Power Plant in Milwaukee. The project will involve WEC Energy Group collaborating with the energy research institute EPRI and CMBlu Energy AG, the developer and manufacturer of the long-duration battery based in California and Germany.