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

A non-major comprehensive plan amendment is requested for approximately 25 acres to reclassify the land from Suburban Neighborhood to General Public Facilities Services to permit development of a 250-MW/2000-MWh battery energy storage system. The project is located at the southwest corner of Bella Vista Road and Attaway Road in San Tan Valley's incorporated area.

Case number	PA-003-26
Type	Comp Plan Amendment
Location	Southwest corner of Bella Vista Road and Attaway Road, San Tan Valley, 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 (applicant); Joe Horn, Colliers Engineering & Design (agent)
Owner	8159 E. Bella Vista LLC, John O. Nevitt, and Nevitt Farms LLP (landowners); Adrienne Call, John O. Nevitt, Monte A. Nevitt, and Edward O. Nevitt, Jr (owners listed)
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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