washington state

December 5, 2025
Developer BrightNight and independent power producer (IPP) Cordelio Power have announced financial close of the 200MW/800MWh Greenwater battery energy storage system (BESS) in Washington state, US.
November 20, 2025
From the US, Maxwell Technologies is acquired for its third time, by Clarios, Fullmark Energy completes a tax credit transfer, and OATI partners with Colville Tribes on microgrid solutions.
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September 4, 2025
The Governor of Washington State has delayed issuing final approval of a hybrid BESS facility under development by Cypress Creek Renewables.
September 26, 2024
Utility Puget Sound Energy has signed contracts for a solar PV project developed by Qcells and a standalone battery storage project from Brightnight and Cordelio Power in Washington, US.
May 24, 2023
A large-scale pumped hydro energy storage project in Washington State has passed a key stage of approvals, while another in South Dakota has been dropped.

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