All industries › States › Arizona
Arizona · 3 industries
Solar, battery storage and data center projects in Arizona
43 utility solar, 10 battery storage and 32 data center projects are in development in Arizona, 54 of them under construction, with 147 already operating. 4 counties with 5 or more have a page of their own. Who is building each one, and who to call, is in the app.
By industry
Arizona, industry by industry.
Breaking ground next
Next to start work in Arizona.
Up to three projects per industry in Arizona, closest to breaking ground first.
Utility solar
- DATELAND ENERGY COMPLEXYuma CountyFinanced · 238 MW · start est. 2026 Q4Builder: not yet named
- Eagle Eye Solar and StorageLa Paz CountyPermitted · 400 MW · start est. 2026 Q3Builder: not yet named
- Sawtooth SolarPinal CountyPermitted · 250 MW · start est. 2026 Q4Builder: not yet named
Battery storage
- Romero Energy Center IIMaricopa CountyUnder construction · 225 MW · start est. 2026 Q4Builder: not yet named
- Maricopa SolarMaricopa CountyUnder construction · 550 MW · permit filed Jan 2025Builder: in the app
- Valley Farms Energy CenterPinal CountyUnder construction · 400 MW · permit filed Apr 2026Builder: in the app
Data centers
- Apple Data CenterPre-construction · permit filed Jul 2026Builder: in the app
- PHX73 Microsoft SitePre-construction · permit filed Aug 2026Builder: in the app
- EdgeConneX PHX12Pre-construction · permit filed Jan 2026Builder: in the app
By county
Arizona, county by county.
Counties with 5 or more projects in development, most first. Each has a page with every project in development there.
| County | Utility solar | Battery storage | Data centers | In development | Under construction |
|---|---|---|---|---|---|
| Maricopa County | 9 | 7 | — | 16 | 6 |
| La Paz County | 11 | 2 | — | 13 | 7 |
| Yuma County | 9 | — | — | 9 | 3 |
| Pinal County | 4 | 1 | — | 5 | 3 |
Fewer than 5 in development: Coconino County (4), Navajo County (3), Cochise County (2), Mohave County (1).
Questions
Arizona, in short.
How many construction projects are in development in Arizona?
85 solar, battery storage and data center projects are in development in Arizona: 43 utility solar, 10 battery storage and 32 data center projects. 54 of them are under construction, and 147 more are already operating.
Which counties in Arizona have the most projects in development?
Maricopa County (16), La Paz County (13), Yuma County (9), Pinal County (5) and Coconino County (4).
Where does the Arizona data come from?
From public records read daily for each industry (14 sources for utility solar, 8 sources for data center and 11 sources for battery storage): grid interconnection queues, construction permits, county records, state siting and procurement filings, and satellite imagery. Each value links to its record.
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