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Map of Pinal County showing the service areas of Electrical Districts 2, 3 and 4 and Trico Electric Cooperative, the four local utilities NextEra says will receive power from Eloy Valley Energy Center III, marked with a star south of Eloy
Battery Energy StorageSolar Farm

Eloy Valley Energy Center III Approved: 400-Megawatt Solar and Battery Project Planned South of Eloy

Nick Kanavati Sep 7, 2026
Supervisors approved the Eloy Valley Energy Center III solar and battery plant south of Eloy. Its power is contracted to Pinal electrical districts.
Map showing the Eloy Valley Energy Center III site outlined in green south of Eloy, Arizona, near the Santa Cruz River and southwest of Interstate 10.
Battery Energy StorageSolar Farm

Eloy Valley Energy Center III: 1,263-Acre Solar and Battery Rezone Advances

Nick Kanavati Jul 30, 2026
Pinal County planners advanced the Eloy Valley Energy Center III rezone 7-1. Its 400 MW of solar and 400 MW of batteries are sold to Arizona co-op AEPCO.