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County approves Copper Basin battery storage in San Tan Valley

County approves Copper Basin battery storage in San Tan Valley

Nick Kanavati Jun 20, 2026

The Pinal County Board of Supervisors voted 4-0 on June 17 to approve the Copper Basin battery…

Two photos of Plus Power battery storage facilities. The top photo shows a ground-level view down a corridor between two long rows of white battery cabinets. The bottom photo shows an aerial view of a walled facility with battery cabinets arranged in a grid, a substation in the foreground, and farmland visible beyond the perimeter wall.

San Tan Valley Council Addresses Copper Basin Battery Storage Questions

Nick Kanavati Jun 6, 2026
Resident questions on cost, safety, and ownership led the San Tan Valley Council to address Copper Basin battery storage before endorsing it.
Copper Basin Energy Storage Project vicinity map.

Copper Basin Battery Energy Storage Advances in San Tan Valley

Nick Kanavati Jun 3, 2026
Pinal County's P&Z recommended approving the Copper Basin Energy Storage project in San Tan Valley. The 250 MW battery would support SRP's grid by 2031.