Arizona has 102 solar farms in the EIA Form 860 database, with a combined installed capacity of 4,938 MW. Of those, 28 plants are utility-scale (50 MW or larger), including 8 mega-projects of 200 MW or more. The largest single facility is Agua Caliente Solar Project in Dateland, Yuma County — a 348 MW plant operated by Agua Caliente Solar.
Use the interactive Arizona solar farms map below to explore every plant, color-coded by technology type and sized by capacity. Click any solar farm for its name, operator, capacity (MW), technology, and location — or view the full US solar farms interactive map to compare Arizona to every other state.
Type
Capacity
Arizona Solar Farms by the Numbers
- 102 total solar farms in Arizona (EIA Form 860 (US Energy Information Administration), latest reporting period)
- 4,938 MW total installed solar capacity
- 1,403 MW co-located battery storage capacity
- 28 utility-scale plants (50 MW or larger)
- 8 mega-projects rated 200 MW or larger
- 38 small / community-scale plants (under 5 MW)
Arizona Solar Farms by Technology Type
- 80 Solar Photovoltaic (PV) — standard panel installations, the dominant technology nationwide
- 20 Solar PV with Battery Storage — newer hybrid plants that pair panels with on-site batteries to store excess generation
- 1 Solar Thermal (CSP) — concentrated solar plants that use mirrors to heat a working fluid (rare; limited to high-DNI desert states)
- 1 Solar Hybrid — co-located with another generation source (natural gas, wind, biomass, etc.)
The 15 Largest Solar Farms in Arizona
The largest solar farm in Arizona by installed capacity is Agua Caliente Solar Project at 348 MW. The 15 largest Arizona solar farms from the latest EIA filing:
| # | Solar Farm | Operator | Capacity | Location |
|---|---|---|---|---|
| 1 | Agua Caliente Solar Project | Agua Caliente Solar | 348 MW | Dateland, Yuma |
| 2 | McFarland B Solar and Storage | AES Clean Energy | 300 MW + 150 MW battery | Dateland, Yuma |
| 3 | Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | 300 MW + 300 MW battery | Coolidge, Pinal |
| 4 | Solana Generating Station | Arizona Solar One LLC | 296 MW | Gila Bend, Maricopa |
| 5 | Sonoran Solar Energy | Sonoran Solar Energy, LLC | 260 MW + 260 MW battery | Buckeye, Maricopa |
| 6 | Sun Streams 3 | Sun Streams PVS, LLC | 215 MW + 215 MW battery | Arlington, Maricopa |
| 7 | McFarland A Solar and Storage | AES Clean Energy | 200 MW + 100 MW battery | Dateland, Yuma |
| 8 | Brittlebush Solar | Randolph Solar Park LLC | 200 MW | Coolidge, Pinal |
| 9 | White Wing Solar | Leeward Asset Management, LLC | 175 MW | Yuma, Yuma |
| 10 | Mesquite Solar 1 | Consolidated Edison Development Inc. | 170 MW | Tonopah, Maricopa |
| 11 | Sun Streams, LLC | EDP Renewables North America LLC | 160 MW | Arlington, Maricopa |
| 12 | Mesquite Solar 3, LLC | Consolidated Edison Development Inc. | 150 MW | Tonopah, Maricopa |
| 13 | Agave | Arizona Public Service Co | 150 MW | Arlington, Maricopa |
| 14 | Sun Streams 2 | Sun Streams 2, LLC | 150 MW | Hassayampa, Maricopa |
| 15 | Arlington Valley Solar Energy II | Arevon Energy, Inc. | 125 MW | Arlington, Maricopa |
Top Solar Operators in Arizona
Five operators account for the largest share of solar generation in Arizona:
- Consolidated Edison Development Inc. — 5 plants, 532 MW total
- AES Clean Energy — 2 plants, 500 MW total
- Agua Caliente Solar — 1 plant, 348 MW total
- Arizona Public Service Co — 10 plants, 308 MW total
- Eleven Mile Solar Center, LLC — 1 plant, 300 MW total
Solar Permitting and Regulation in Arizona
Utility-scale solar in Arizona is overseen by the Arizona Corporation Commission. Wholesale market participation and interconnection are regulated by the Federal Energy Regulatory Commission (FERC) and the relevant ISO/RTO. All generators above 1 MW must report capacity, fuel type, and location to the EIA via Form 860 — the dataset used in this map.
Frequently Asked Questions
How many solar farms are in Arizona?
Arizona has 102 solar farms in the latest EIA Form 860 filing — a combined 4,938 MW of installed capacity. Of those, 28 are utility-scale (50 MW or larger).
What is the largest solar farm in Arizona?
The largest solar farm in Arizona is Agua Caliente Solar Project, located in Dateland (Yuma County), with 348 MW of installed capacity. It is operated by Agua Caliente Solar.
How much solar capacity does Arizona have?
Arizona has 4,938 MW of installed solar capacity across 102 plants reporting to the EIA. This counts only the solar portion (Solar_MW field) — co-located batteries and other generation are reported separately.
Who regulates solar farms in Arizona?
Solar farms in Arizona are regulated by the Arizona Corporation Commission at the state level, with federal oversight from FERC. The EIA collects annual data on every utility-scale solar plant via Form 860.
View all 6,406 US solar farms on the national interactive map
