Arizona
Natural gas accounted for 43% of generation in Arizona over the 12 months to July 2026.
Where they are
The 47 largest announced projects in Arizona, by capacity.
1 plant carries a location we could not place in the state.
Natural gas43%Nuclear25%Solar19%Coal7%Hydro4%Wind3%
| Fuel | GWh | Share | YoY |
|---|---|---|---|
| Natural gas | 53,322 | 42.7% | ↓ 1.1 |
| Nuclear | 31,166 | 25.0% | ↓ 1.2 |
| Solar | 23,710 | 19.0% | ↑ 3.0 |
| Coal | 8,218 | 6.6% | ↓ 0.8 |
| Hydro | 5,000 | 4.0% | – |
| Wind | 3,360 | 2.7% | ↑ 0.1 |
13-month trend
Natural gas
Coal
Nuclear
Wind
Solar
Hydro
Hub power prices against a national gas-cost benchmark; not a state margin.
What’s standing
The 8 largest of 466 operating generators; 45.0 GW total capacity.
- Palo VerdeNuclear · Arizona Public Service Co1.4 GW1986
- Palo VerdeNuclear · Arizona Public Service Co1.4 GW1986
- Palo VerdeNuclear · Arizona Public Service Co1.4 GW1988
- Maricopa SolarSolar · Maricopa Solar0.6 GW2026
- West Camp Wind FarmWind · AES Clean Energy0.5 GW2026
- Sonoran Solar EnergySolar · Sonoran Solar Energy, LLC0.5 GW2023
- SpringervilleCoal · Tucson Electric Power Co0.5 GW2006
- SpringervilleCoal · Tucson Electric Power Co0.5 GW2009
On the drawing board
Arizona has 45.0 GW standing. Another 2.7 GW is on the board by 2026: 1.9 GW testing, 0.8 GW under construction.
Built since July 2026
- Centennial FlatsStanding167 MW2026
- Catclaw SolarStanding250 MW2026
- Coolidge Generation StationStanding50 MW2026
- ATLAS Solar V, LLCStanding200 MW2026
- Coolidge Generation StationStanding50 MW2026
- Maricopa SolarStanding550 MW2026
- Centennial FlatsStanding89 MW2026
- Centennial FlatsStanding89 MW2026
- Roadrunner Reserve Phase 2Standing200 MW2026
- Catclaw SolarStanding200 MW2026
- Centennial FlatsStanding167 MW2026
- Coolidge Generation StationStanding50 MW2026
- Ironwood SolarTesting168 MW2026
- ATLAS IITesting100 MW2026
- Kitt SolarTesting100 MW2026
- Hashknife Energy Center LLCTesting275 MW2026
- Centennial FlatsUnder construction167 MW2026
- AtlasTesting300 MW2026
- ATLAS Solar VI, LLCTesting100 MW2026
Battery storage
- AgaveTesting150 MW2026
- Kitt SolarTesting100 MW2026
- Maricopa SolarUnder construction550 MW2026
- Hashknife Energy Center LLCTesting275 MW2026
- Centennial FlatsUnder construction89 MW2026
- Desert BloomTesting150 MW2026
- Atlas VIIITesting210 MW2026
Arizona's announced projects could add 20.5 TWh a year by 2031. Our projection includes 12.3 TWh after applying completion factors based on project status.
Arizona in the news
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