Arizona has 174 power plants in the EIA (Energy Information Administration) database, with a combined installed capacity of 33,001 MW. Renewables (solar, wind, hydro, geothermal, biomass) account for 71% of plants in the state. The largest single facility is Palo Verde, a Nuclear plant with 3,937 MW of capacity.
Use the interactive Arizona power plants map below to explore every generating facility, color-coded by fuel type. Click any plant for its name, utility operator, capacity, technology, and location — or view the full US Power Plants Interactive Map to compare Arizona to every other state.
[PASTE ARIZONA MAP SNIPPET HERE — Custom HTML block, data-state=”Arizona”]
Arizona Power Plants by the Numbers
- 174 total power plants in Arizona (EIA (Energy Information Administration))
- 33,001 MW total installed generating capacity
- 71% of plants use renewable energy sources
- Dominant fuel type: Solar
Arizona Power Plants by Fuel Type
- Solar: 102 plants (6,371 MW capacity)
- Natural Gas: 33 plants (14,948 MW capacity)
- Batteries: 12 plants (783 MW capacity)
- Wind: 8 plants (1,205 MW capacity)
- Hydroelectric: 8 plants (2,677 MW capacity)
- Pumped Storage: 3 plants (260 MW capacity)
- Coal: 3 plants (2,778 MW capacity)
- Biomass: 3 plants (28 MW capacity)
- Petroleum: 1 plants (15 MW capacity)
- Nuclear: 1 plants (3,937 MW capacity)
The 15 Largest Power Plants in Arizona
The largest power plant in Arizona by installed capacity is Palo Verde at 3,937 MW. The 15 largest Arizona power plants from the EIA (Energy Information Administration):
| # | Plant Name | Utility | Capacity | Fuel Type | Location |
|---|---|---|---|---|---|
| 1 | Palo Verde | Arizona Public Service Co | 3,937 MW | Nuclear | Wintersburg, Maricopa |
| 2 | Springerville | Tucson Electric Power Co | 1,633 MW | Coal | Springerville, Apache |
| 3 | Glen Canyon Dam | U S Bureau of Reclamation | 1,312 MW | Hydroelectric | Page, Coconino |
| 4 | Santan | Salt River Project | 1,286 MW | Natural Gas | Gilbert, Maricopa |
| 5 | Harquahala Generating Project | New Harquahala Generating Co, LLC | 1,043 MW | Natural Gas | Tonopah, Maricopa |
| 6 | Hoover Dam (AZ) | U S Bureau of Reclamation | 1,040 MW | Hydroelectric | Boulder City, Mohave |
| 7 | Red Hawk | Arizona Public Service Co | 1,002 MW | Natural Gas | Arlington, Maricopa |
| 8 | West Phoenix | Arizona Public Service Co | 909 MW | Natural Gas | Phoenix, Maricopa |
| 9 | Coronado | Salt River Project | 762 MW | Coal | St Johns, Apache |
| 10 | Agua Fria | Salt River Project | 741 MW | Natural Gas | Glendale, Maricopa |
| 11 | Desert Basin | Salt River Project | 704 MW | Natural Gas | Casa Grande, Pinal |
| 12 | Mesquite Generating Station Block 2 | Mesquite Power LLC | 624 MW | Natural Gas | Arlington, Maricopa |
| 13 | Mesquite Generating Station Block 1 | Salt River Project | 620 MW | Natural Gas | Arlington, Maricopa |
| 14 | Ocotillo | Arizona Public Service Co | 605 MW | Natural Gas | Tempe, Maricopa |
| 15 | Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | 600 MW | Solar | Coolidge, Pinal |
Energy Regulation in Arizona
Power generation in Arizona is overseen by the Arizona Corporation Commission, in coordination with the Federal Energy Regulatory Commission (FERC) and the North American Electric Reliability Corporation (NERC). All generating facilities above 1 MW are required to report to the EIA, which maintains the official database used in this map.
Frequently Asked Questions
How many power plants are in Arizona?
Arizona has 174 power plants according to the EIA (Energy Information Administration). The dominant fuel type is Solar, and total installed capacity is 33,001 MW.
What is the largest power plant in Arizona?
The largest power plant in Arizona is Palo Verde, a Nuclear facility with 3,937 MW of generating capacity.
What percentage of Arizona power plants use renewable energy?
71% of power plants in Arizona use renewable energy sources (solar, wind, hydroelectric, geothermal, or biomass).
Who regulates power plants in Arizona?
Power generation in Arizona is regulated by the Arizona Corporation Commission at the state level, with federal oversight from FERC and NERC.
