Maricopa County, Arizona has 82 power plants totaling 21,355 MW of nameplate capacity. Browse every plant below with fuel type, operator, and capacity.
| Plant | City | Fuel | Capacity | Operator |
|---|---|---|---|---|
| Palo Verde | Wintersburg | Nuclear | 4,210 MW | Arizona Public Service Co |
| Gila River Power Block 4 | Gila Bend | Natural Gas | 1,857 MW | Salt River Project |
| Mesquite Generating Station Block 2 | Arlington | Natural Gas | 1,383 MW | Mesquite Power Llc |
| Santan | Gilbert | Natural Gas | 1,326 MW | Salt River Project |
| Harquahala Generating Project | Tonopah | Natural Gas | 1,277 MW | New Harquahala Generating Co, Llc |
| West Phoenix | Phoenix | Natural Gas | 1,207 MW | Arizona Public Service Co |
| Red Hawk | Arlington | Natural Gas | 1,140 MW | Arizona Public Service Co |
| Sonoran Solar Energy | Buckeye | Solar | 750 MW | Sonoran Solar Energy, Llc |
| Agua Fria | Glendale | Natural Gas | 738 MW | Salt River Project |
| Arlington Valley Energy Facility | Arlington | Natural Gas | 713 MW | Arlington Valley Llc |
| Mesquite Generating Station Block 1 | Arlington | Natural Gas | 692 MW | Salt River Project |
| Ocotillo | Tempe | Natural Gas | 626 MW | Arizona Public Service Co |
| Gila River Power Block 1 | Gila Bend | Natural Gas | 619 MW | Salt River Project |
| Gila River Power Block 3 | Gila Bend | Natural Gas | 619 MW | Salt River Project |
| Gila River Power Block 2 | Gila Bend | Natural Gas | 619 MW | Salt River Project |
| Kyrene | Tempe | Natural Gas | 574 MW | Salt River Project |
| Sun Streams 3 | Arlington | Battery Storage | 430 MW | Sun Streams Pvs, Llc |
| Solana Generating Station | Gila Bend | Solar | 280 MW | Arizona Solar One Llc |
| Sierra Estrella Energy Storage | Tolleson | Battery Storage | 250 MW | Sierra Estrella Energy Storage, Llc |
| Mesquite Solar 1 | Tonopah | Solar | 170 MW | Consolidated Edison Development Inc. |
| Sun Streams, Llc | Arlington | Solar | 160 MW | Edp Renewables North America Llc |
| Mesquite Solar 3, Llc | Tonopah | Solar | 150 MW | Consolidated Edison Development Inc. |
| Sun Streams 2 | Hassayampa | Solar | 150 MW | Sun Streams 2, Llc |
| Agave | Arlington | Battery Storage | 150 MW | Arizona Public Service Co |
| Horse Mesa | Apache Junction | Hydroelectric | 130 MW | Salt River Project |
| Arlington Valley Solar Energy Ii | Arlington | Solar | 129 MW | Arevon Energy, Inc. |
| Mesquite Solar 5, Llc | Tonopah | Solar | 120 MW | Consolidated Edison Development Inc. |
| Mesquite Solar 2, Llc | Tonopah | Solar | 100 MW | Consolidated Edison Development Inc. |
| Superstition Energy Storage | Gilbert | Battery Storage | 90.0 MW | Superstition Energy Storage, Llc |
| Westwing | Peoria | Battery Storage | 82.0 MW | Aes Clean Energy |
| Gila Bend Hybrid | Gila Bend | Solar | 73.4 MW | Arizona Public Service Co |
| Mormon Flat | Apache Junction | Hydroelectric | 63.5 MW | Salt River Project |
| Mesquite Solar 4, Llc | Tonopah | Solar | 62.5 MW | Consolidated Edison Development Inc. |
| El Sol Bess | Phoenix | Other Fossil | 50.0 MW | Invenergy Services Llc |
| Waddell | Peoria | Hydroelectric | 40.0 MW | Central Arizona Water Conservation Dist |
| Red Rock | Red Rock | Solar | 40.0 MW | Arizona Public Service Co |
| Roosevelt | Roosevelt | Hydroelectric | 36.0 MW | Salt River Project |
| Cotton Center Solar Hybrid | Gila Bend | Solar | 34.0 MW | Arizona Public Service Co |
| Paloma Solar Hybrid | Gila Bend | Solar | 34.0 MW | Arizona Public Service Co |
| Desert Star Hybrid | Buckeye | Solar | 20.0 MW | Arizona Public Service Co |
| Queen Creek Solar Farm | Queen Creek | Solar | 19.0 MW | Siete Solar Llc |
| Arizona State University Chp | Tempe | Natural Gas | 17.1 MW | Energy Center Phoenix Llc |
| Saddle Mountain Solar I | Tonopah | Solar | 15.0 MW | Sune Az2, Llc |
| Re Gillespie 1 Llc | Gila Bend | Solar | 15.0 MW | Mn8 Energy Llc |
| Badger 1 | Tonopah | Solar | 14.8 MW | Desert Sky Solar Llc |
| Stewart Mountain | Phoenix | Hydroelectric | 13.0 MW | Salt River Project |
| Luke Solar | Glendale | Solar | 11.2 MW | Arizona Public Service Co |
| Aes Es Gilbert | Chandler | Other Fossil | 10.0 MW | Aes Es Gilbert, Llc |
| Lake Pleasant Wtp | Peoria | Solar | 6.5 MW | Mn8 Energy Llc |
| Mesa Carport Pv | Mesa | Solar | 4.6 MW | Apple, Inc |
| Intel - Ocotillo Campus Solar | Chandler | Solar | 4.2 MW | Tesla Inc. |
| Buckeye Union Hs District 201 | Buckeye | Solar | 3.3 MW | Luminace Solar Arizona, Llc |
| Northwest Regional | Surprise | Biomass | 3.2 MW | Wm Renewable Energy Llc |
| Macys Goodyear | Goodyear | Solar | 3.1 MW | Macys Corporate Services, Inc |
| Crosscut | Tempe | Hydroelectric | 3.0 MW | Salt River Project |
| Tjx Phoenix | Phoenix | Solar | 2.9 MW | Socore Energy Llc |
| Az State University - Tempe Campus Solar | Tempe | Solar | 2.4 MW | Arizona State University Fdm |
| Amazon Goodyear | Goodyear | Solar | 2.4 MW | Westbound Solar 3, Llc |
| Gilbert Solar Facility I, Llc | Gilbert | Solar | 2.0 MW | Gilbert Solar Facility I, Llc |
| Estrella Mountain Pv | Avondale | Solar | 1.8 MW | Tesla Inc. |
| Phoenix Airport Rental Car Center | Phoenix | Solar | 1.6 MW | Sunstrong Management, Llc |
| South Consolidated | Phoenix | Hydroelectric | 1.4 MW | Salt River Project |
| Paradise Valley H.s. Pv | Phoenix | Solar | 1.3 MW | Aes Distributed Energy |
| T0588 Phoenix - Az | Phoenix | Solar | 1.2 MW | Socore Energy Llc |
| Jewish Community Center Pv | Scottsdale | Solar | 1.1 MW | Aes Distributed Energy |
| Phoenix Airport East Economy Lot | Phoenix | Solar | 1.1 MW | Sunstrong Management, Llc |
| Tri Cities | Phoenix | Natural Gas | — MW | Salt River Project |
| Gila Bend Power Generation Station | Gila Bend | Natural Gas | — MW | Gila Bend Power Partners Llc |
| Arlington Valley Solar Energy I | Arlington | Solar | — MW | Consolidated Edison Development Inc. |
| Mesa Solar Array | Mesa | Solar | — MW | Apple, Inc |
| Harquahala Sun Solar Project | Tonopah | Solar | — MW | Copia Power |
| Papago Energy Storage | Tonopah | Battery Storage | — MW | Re Papago Llc |
| Beehive Energy Storage | Peoria | Battery Storage | — MW | Beehive Energy Storage, Llc |
| Sun Streams 4 | Tonopah | Battery Storage | — MW | Sun Streams Expansion, Llc |
| Pluto Energy Storage | Goodyear | Battery Storage | — MW | Pluto Energy Storage, Llc |
| Scatter Wash 1 | Phoenix | Battery Storage | — MW | Scatter Wash Energy Storage, Llc |
| Scatter Wash 2 | Phoenix | Battery Storage | — MW | Scatter Wash Energy Storage, Llc |
| Harquahala 2 | Tonopah | Battery Storage | — MW | Copia Power |
| Desert Sand Bess | Tonopah | Battery Storage | — MW | Desa Bn, Llc |
| Catclaw Solar | Buckeye | Battery Storage | — MW | 311sv 8me, Llc |
| Pediment Bess I | Mesa | Battery Storage | — MW | Pediment Bess I Llc |
| Sun Pond | Tonopah | Battery Storage | — MW | Sun Pond, Llc |
Maricopa County, Arizona has 82 power plants totaling 21,355 MW of nameplate capacity. Natural Gas is the dominant fuel source at 63% of installed capacity, followed by Nuclear (20%) and Solar (11%). The largest facility is Palo Verde at 4,209 MW. Data comes from EIA Form 860, EIA Form 923, and EPA eGRID federal releases.
To find plants closer to a specific address in Maricopa County, use the address lookup — it shows every plant within a chosen radius along with distance, fuel type, and emissions.