Centrica Energy and Zelestra Sign Tolling Agreement for 99 MW/297 MWh Standalone BESS in GermanyAugust 6, 2026 Centrica Energy and Zelestra have signed a physical tolling agreement for a 99 MW/297 MWh standalone Battery Energy Storage System (BESS) to be developed in Hilgermissen, Lower Saxony, Germany. Under…