Committee advances pilot to study converting idle oil wells into gravity energy storage

Jun 23, 2025

SB 567 would create an eight‑year pilot to permit and evaluate converting idle oil wells into gravity‑based energy storage with monitoring and reporting requirements; the committee recommended the bill as amended to appropriations amid questions about groundwater basins and site protections.

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SB 567 was advanced by the Assembly Natural Resources Committee with a due‑pass recommendation to the Appropriations Committee. The bill would authorize a pilot program to study converting idle oil wells into gravity‑based energy storage wells, require site testing and monitoring, and charge CalEPA with reporting to the Legislature after eight years.

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