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Data centers in Arizona: projects, fights & moratoriums
Projects tracked7
Blocked or withdrawn2
Moratoriums / limits1
Upcoming hearings2
Projects
- La Osa Energy Center (Pinal County): blocked. Pinal County supervisors voted 4-1 to reject rezoning despite a scale-back from 59 to 11 buildings; plan included two on-site gas plants
- Project Blue (Pima County): under construction. Pima County 120-day moratorium passed; does not apply to Project Blue, already permitted and under construction
- Chandler data center rezoning (10 acres) (Maricopa County): blocked. City Council unanimously rejected rezoning; Kyrsten Sinema had advocated for project at October P&Z
- Marana data center campus (~661 acres) (Pima County): approved. Arizona Court of Appeals upheld rejection of citizen referendum petitions against the rezoning
- Meta Mesa Data Center (Maricopa County): under construction. Meta info sheet (accessed 2026-10-16): broke ground 2021; jobs listed 'once completed'
- Microsoft West Valley campuses (Goodyear, El Mirage) (Maricopa County): under construction. Bought 100 more acres next to Goodyear campus (~250 acres total); El Mirage expansion filed
- Vantage Phoenix AZ1 campus (Goodyear) (Maricopa County): operating. AZ11-AZ14 operating; AZ15 planned
Upcoming hearings & votes
- 2026-10-28: Pima County Planning and Zoning Commission, P26TA00003: data center zoning text amendment (closed-loop only, water and energy certification, setbacks, noise, generator limits)
- 2026-12-02: Arizona Corporation Commission, Open meeting in the APS rate case decision window, including the data center Extra High Load Factor rate class
Moratoriums & local limits
- Pima County: moratorium, adopted 2026-09-23