Data center project · Pinal County, Arizona
La Osa Energy Center
Denied · What would have been Arizona's largest data center plan, cut from 59 buildings to 11 and then rejected by Pinal County supervisors. Also known as: La Osa data center and energy campus.
- Status
- Denied · as of Aug. 26, 2026
- Denied by
- Pinal County Board of Supervisors
Rezoning and development plans, Aug. 26, 2026, vote 4-1
The dissenting supervisor was not named in the source read. (KJZZ, Aug. 26, 2026) - Location
- About 12 miles outside Eloy · Pinal County
- Power
- 1,000 MW
Reduced plan capped at 1 GW with a 500 MW on-site gas plant; the earlier comprehensive plan (59 buildings) was 3 GW. - Land
- 3,300 acres
- Developer and team
- Vermaland
- End user
- None disclosed.
- Utility
- Central Arizona Irrigation and Drainage District planned to serve it; on-site 500 MW gas plant and battery storage.
- Water
- Developer-proposed cap of 600 acre-feet a year of fresh water, with possible effluent offsets; residents cited dry wells, overdraft and subsidence.
- Evidence
- News reports; primary records not yet obtained
- Size class
- 50 MW or more (tracker scope)
Updates, newest first
- Aug. 26, 2026 Pinal County supervisors voted 4-1 to reject the rezoning and development plans. (KJZZ, Aug. 26, 2026)
- Aug. 25, 2026 Vermaland submitted 22 self-imposed conditions, including the 11-building cap, the water cap and paying all energy costs. (KJZZ, Aug. 25, 2026)
- May 28, 2026 At a hearing with about 60 opposing comments, Vermaland offered to cut the project 80%; supervisors continued the case to Aug. 26. (KJZZ, May 28, 2026)
Conflicts and open questions
- The dissenting supervisor was not named in the source read.
- Pinal County's zoning code has no data-center-specific standards (KJZZ).
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