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29 Jun 2026

New major battery‑storage project proposed in California

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 A developer has filed plans for a new grid‑scale battery‑energy storage system (BESS) in California, a project that would add one of the state’s largest standalone storage facilities as utilities continue expanding capacity to support renewable‑energy targets and peak‑demand reliability.

The proposal outlines a multi‑hundred‑megawatt lithium‑ion storage installation, designed to store excess solar generation during the day and discharge power back to the grid during evening demand surges. Local officials said the project is undergoing environmental and safety review, including assessments of fire‑protection systems, thermal‑runaway mitigation, and emergency‑response access.

If approved, the facility would join a growing number of large BESS sites across California, which has become a national leader in battery deployment as the state phases out fossil‑fuel peaker plants and increases reliance on intermittent renewable energy.

Fire‑service representatives in the region said they expect to participate in the permitting process to ensure compliance with NFPA 855, local fire‑code requirements, and utility‑level safety standards.

The project remains in the early planning stages, and no construction timeline has been announced.

 

Further Reading:

https://mgrid.org/2026/03/24/arevon-breaks-ground-on-600-million-250-mw-1000-mwh-cormorant-battery-project-in-daly-city-california/?

https://www.energy.ca.gov/news/2026-05/cec-approves-third-major-clean-energy-project-under-opt-certification-program