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PZ-PA-003-26 — 250-Megawatt (MW) / 2000-Megawatt Hour (MWh) Battery Energy Storage System (BESS) in Pinal County, AZ

Non-major comprehensive plan amendment of approximately 25 acres from Suburban Neighborhood to General Public Facilities Services to develop a 250-MW/2,000-MWh Battery Energy Storage System at the southwest corner of Bella Vista Road and Attaway Road in San Tan Valley. This utility-scale energy storage project requires a land use designation change to proceed.

Case number	PZ-PA-003-26
Type	Comp Plan Amendment
Location	South west corner of Bella Vista Road and Attaway Road, Town of San Tan Valley, Pinal County, Arizona
County	Pinal County
Parcel / legal	Section 24, Township 03 South, Range 08 East, Gila River and Salt River Base and Meridian, tax parcels 210-24-001N and 210-24-001G
Acreage	25.0
Current zoning	Suburban Neighborhood
Requested zoning	General Public Facilities Services
Proposed use	250-Megawatt (MW) / 2000-Megawatt Hour (MWh) Battery Energy Storage System (BESS)
Petitioner	Copper Basin Energy Storage LLC, with agent Joe Horn from Colliers Engineering & Design
Owner	8159 E. Bella Vista LLC, John O. Nevitt, and Nevitt Farms LLP, Adrienne Call, John O. Nevitt, Monte A. Nevitt, and Edward O. Nevitt, Jr, Copper Basin Energy Storage LLC
Hearing	2026-05-21
Hearing body	Pinal County Planning & Zoning
Record	First seen on an agenda; not a decision

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First seen — 2026-09-28: First seen on a Pinal County Planning & Zoning agenda · Pinal County Planning & Zoning

Also on the 2026-05-21 Pinal County agenda

Other Pinal County rezoning cases

PD-003-26 — Data Center, Gas Fired Power Generation, Battery Storage and associated office and facilities

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