ESS, a global leader in long-duration energy storage (LDES) systems, and LEAG, a major German energy provider, have entered into an initial agreement to accelerate the transition to clean energy. They aim to deploy renewable generation and long-duration energy storage utilizing ESS's iron flow battery technology. LEAG intends to develop between 7 GW and 14 GW of renewable generation, coupled with 2-3 GWh of energy storage and 2 GW of green hydrogen production.
Upon finalizing definitive agreements and completing financial arrangements, which are expected to take place in 2023, LEAG and ESS will collaborate on the construction of a 50 MW / 500 MWh iron flow battery system at the Boxberg power plant site. This system is slated to be operational by 2027. The resulting 50 MW/500 MWh module is intended to serve as a standardized building block in LEAG's larger plan to deploy 2-3 GWh of storage across its power plant locations. The project will involve an investment of €200m, with potential additional support from investors and stakeholders.
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