News

Map of the 4,696-acre SR 79 industrial rezoning site on state land north of Skyline Drive, between San Tan Valley and Florence

4,696-acre SR 79 industrial rezoning approved; employer could generate its own power and run an ancillary data center

Oct 1, 2026
Supervisors approved the SR 79 industrial rezoning of 4,696 state acres. A data center must serve the on-site business, and solar only the rezoned land.
Employer’s own data center could be part of 4,696-acre industrial site along SR 79 under P&Z-recommended plan

Employer’s own data center could be part of 4,696-acre industrial site along SR 79 under P&Z-recommended plan

Sep 23, 2026
Pinal County's P&Z commission recommended a 4,696-acre SR 79 industrial site 7-2. An employer could run its own data center there.
Aerial map of the Red Rock area showing the proposed 660-acre solar and battery site in yellow east of Interstate 10, labeled as a plan amendment under review; the APS Red Rock Solar Plant, 40 megawatts on 400 acres since 2016; the APS Saguaro gas plant, operating since 1954 with a proposed expansion from about 185 to about 905 megawatts; and the Sunridge gas plant site in blue southwest of Red Rock, granted a county industrial use permit in June 2026 for up to 1,360 megawatts.

Red Rock energy hub could grow: 660-acre solar and battery site proposed on state trust land

Sep 14, 2026
A Red Rock solar and battery project is proposed on 660 acres of state land next to the APS solar plant. A citizens panel voted 14-0 to recommend denial.
Aerial map of the Rosebud Energy Project site outlined in green beside the Nissan test track, with the planned data center campus in yellow to the west

Rosebud Energy Project Would Put Solar Panels and Batteries on Nissan-Owned Farmland Near Maricopa

Sep 8, 2026
Pinal County is reviewing the Rosebud Energy Project, a solar and battery site on Nissan land south of Maricopa. Staff expect the power to go to the grid.
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

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

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.
Aerial rendering of the Ore Town Solar site beside San Manuel, Arizona. A red outline along Veterans Memorial Boulevard marks the proposed project site on part of a larger blue-shaded former industrial brownfield that includes the old mine tailings between the site and the San Pedro River. A marker at the site's corner shows the existing substation, with an existing transmission line running west past the town and airport.

Ore Town Solar Approved on San Manuel Mine Land Deemed Unfit for Most Development

Aug 9, 2026
Pinal County supervisors approved Ore Town Solar on the old San Manuel mine site. The 1,227-acre solar and battery plant targets operation by 2030.
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.

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

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.
SRP, NextEra Strike 3,000 MW Solar Deal to Power Arizona Growth

SRP, NextEra Strike 3,000 MW Solar Deal to Power Arizona Growth

May 1, 2026
The SRP NextEra solar agreement will deliver 3,000 MW of new solar generation across Arizona by 2034, powering about 595,000 homes.
Ore Town Solar Advances on Old San Manuel Mine Site

Ore Town Solar Advances on Old San Manuel Mine Site

Apr 20, 2026
Pinal County P&Z recommended approval of the Ore Town Solar Project, a 145MW solar farm plus 145MW battery storage on the former San Manuel mine site.
Public Hearing Set for San Manuel Solar and Battery Storage Project

Public Hearing Set for San Manuel Solar and Battery Storage Project

Apr 14, 2026
The Pinal County Planning and Zoning Commission will hold a public hearing April 16 on the Ore Town Solar Project near San Manuel. Here's what residents need to know..
Pinal Partnership Warns of Energy Shortfall, Outlines Options for Pinal County

Pinal Partnership Warns of Energy Shortfall, Outlines Options for Pinal County

Apr 4, 2026
The Casa Grande Planning and Zoning Commission heard a presentation on Pinal County energy development, warning that solar, batteries, and gas projects are urgently needed to support Arizona's economic growth.
SRP and Invenergy Partner on 400MW Solar and Battery Storage Project in Pinal County

SRP and Invenergy Partner on 400MW Solar and Battery Storage Project in Pinal County

Mar 17, 2026
SRP and Invenergy announce the SunDog Energy Center, a 200MW solar and battery storage project in Pinal County set to power up to 45,000 Valley homes.
Silver King Energy Center Denied: Pinal County Board Rejects Largest Proposed Energy Project

Silver King Energy Center Denied: Pinal County Board Rejects Largest Proposed Energy Project

Feb 19, 2026
Pinal County supervisors unanimously denied the Silver King Energy Center, an 8,122-acre solar and gas project near Florence Junction. The vote ends the county's largest proposed energy development.
Silver King Energy Center, Pinal County’s Largest Proposed Energy Project, Heads to Board Vote

Silver King Energy Center, Pinal County’s Largest Proposed Energy Project, Heads to Board Vote

Feb 17, 2026
Silver King Energy Center goes before Pinal County supervisors Feb. 18 after a 4-3 commission denial. The 8,122-acre project includes solar, battery, and gas generation.
County’s Largest Energy Project Stumbles at Planning Commission

County’s Largest Energy Project Stumbles at Planning Commission

Jan 16, 2026
Pinal County planners voted 4-3 to recommend denial of the 8,122-acre Silver King Energy Center. Commissioners questioned economic benefits and mixed-use plans for the $2.9 billion project.
Silver King Returns: Could Become Pinal’s Largest Energy Project

Silver King Returns: Could Become Pinal’s Largest Energy Project

Jan 9, 2026
Silver King returns with up to 2 GW of solar, battery, and gas generation. Pinal County commission votes January 15.
Table Top Solar and Battery Storage Rezoning Approved Near Casa Grande

Table Top Solar and Battery Storage Rezoning Approved Near Casa Grande

Dec 12, 2025
Pinal County supervisors approved the Table Top Solar and Battery Storage project near Casa Grande. The 643-acre facility is anticipated to generate $40 million in tax revenue.
2,137-Acre Cactus Flower Solar and Battery Storage Approved

2,137-Acre Cactus Flower Solar and Battery Storage Approved

Dec 8, 2025
Pinal County approves the 2,137-acre Cactus Flower Solar project near Eloy. The 270 MW facility will generate $52 million in tax revenue over the lifetime of the project.
Upcoming 1,275 MW Marigold Among Pinal’s Top Energy Projects

Upcoming 1,275 MW Marigold Among Pinal’s Top Energy Projects

Dec 3, 2025
SRP hosts public events for the 1,275 MW Marigold Energy Center near Stanfield. The project includes solar, gas, and battery storage.
Cactus Flower Solar and Battery Project to Face Pinal County Vote

Cactus Flower Solar and Battery Project to Face Pinal County Vote

Dec 1, 2025
Pinal County Board of Supervisors will vote on Cactus Flower Solar and battery project December 3. The 2,137-acre facility south of Eloy received a denial recommendation.
Supervisors Approve Griffin Energy Solar, Gas, and Battery Project for Data Center

Supervisors Approve Griffin Energy Solar, Gas, and Battery Project for Data Center

Nov 28, 2025
Pinal County supervisors approved the Griffin Energy Project. The 2,685-acre facility will power a data center near Maricopa.
Silver Reef Energy Withdrawn, Board Advances Four Energy and Data Center Projects

Silver Reef Energy Withdrawn, Board Advances Four Energy and Data Center Projects

Nov 21, 2025
Silver Reef Solar and Battery was withdrawn after 8-0 denial recommendation. Pinal County Board approved four energy and data projects at same November meeting.
Silver Reef Solar and Battery Project Faces Unanimous Denial Recommendation

Silver Reef Solar and Battery Project Faces Unanimous Denial Recommendation

Oct 24, 2025
Pinal County’s Planning and Zoning Commission voted 8–0 to recommend denial of the Silver Reef Solar and Battery Project, citing safety, environmental, and community impact concerns.
Commission Advances Griffin Energy Solar, Gas, and Battery Project for Data Centers

Commission Advances Griffin Energy Solar, Gas, and Battery Project for Data Centers

Oct 21, 2025
The Pinal County Planning and Zoning Commission voted 6-2 to advance the Griffin Energy Project—a 2,685-acre solar, battery, and natural gas complex—to power a future data center and reshape local energy infrastructure.
Silver King Solar: Developer Withdraws County’s Largest Proposed Energy Project — 12,915-Acre, Up to 2.2 GW Solar and Storage Plan

Silver King Solar: Developer Withdraws County’s Largest Proposed Energy Project — 12,915-Acre, Up to 2.2 GW Solar and Storage Plan

Oct 18, 2025
Arevia Power subsidiary Silver King Solar has withdrawn its 12,915-acre, up to 2.2-gigawatt solar and battery project near Florence Junction, halting what would have been Pinal County’s largest renewable energy development.
Proposed 2,149-Acre Cactus Flower Solar Project Faces Questions at County Planning Meeting

Proposed 2,149-Acre Cactus Flower Solar Project Faces Questions at County Planning Meeting

Sep 24, 2025
Pinal County Commission Rejects 2,149-Acre Cactus Flower Solar Project Near Eloy.
Pinal County Energy Crisis Forces Push to Solar, Gas and Battery Projects

Pinal County Energy Crisis Forces Push to Solar, Gas and Battery Projects

Sep 13, 2025
Pinal County supervisors heard warnings from APS and SRP of a projected 40% energy demand surge in six years, fueled by data centers, electric vehicles, and widespread electrification. Utilities outlined urgent plans for solar, natural gas, and battery projects, while micro-nuclear remains at least a decade away
Florence Continues Approval of Industrial Transition for Northern Development Corridor

Florence Continues Approval of Industrial Transition for Northern Development Corridor

Aug 10, 2025
Florence's Town Council unanimously approves industrial changes, fostering development in the Northern Development Corridor with energy projects.
Silver Reef Solar Joins Wave of Energy Projects Reviewed by Pinal County Commission

Silver Reef Solar Joins Wave of Energy Projects Reviewed by Pinal County Commission

Jul 25, 2025
Planning and Zoning Commission reviewed the Silver Reef Energy Solar project, a 150-megawatt solar facility with 200-megawatt battery storage on 801 acres, as part of a wave of energy proposals in Pinal County.
New Griffin Energy 2,685-Acre Solar-Gas-Battery Proposal Faces Flooding Concerns at Pinal County Planning Session

New Griffin Energy 2,685-Acre Solar-Gas-Battery Proposal Faces Flooding Concerns at Pinal County Planning Session

Jul 23, 2025
Explore the proposed 2685-acre solar-gas-battery complex facing flooding concerns at the Pinal County planning session.