Power plants in Utah
Utah has 126 power plants of 1 MW or more in the 2025 EIA-860 data, with 11.1 GW of nameplate capacity, the 38th-largest total among the 50 states and DC. Natural gas accounts for 36% of that capacity. The biggest single site is Hunter at 1,472 MW. Units that came online from 2020 to 2025 add 3,465 MW, led by solar at 62%. Units retired since 2016 at plants still operating total 1,844 MW, most of it coal.
- Natural gas4,029 MW36%
- Solar3,052 MW27%
- Coal3,045 MW27%
- Wind390 MW3.5%
- Hydroelectric264 MW2.4%
- Battery storage201 MW1.8%
- Geothermal77.1 MW0.7%
- Other sources41.3 MW0.4%
- Oil and petroleum29.3 MW0.3%
- Biomass and waste11.2 MW0.1%
What is running, by the decade it came online
CoalNatural gasOil and petroleumHydroelectricWindSolarBattery storageGeothermalBiomass and wasteOther sources
Columns above the line show capacity still operating in 2025, stacked by fuel. Below the line: capacity retired in each decade at plants that still operate.
The 25 largest plants
| Rank | Plant | Runs on | Capacity | First unit | Operator |
|---|---|---|---|---|---|
| 1 | Hunter | Coal | 1,472 MW | 1978 | PacifiCorp |
| 2 | Lake Side Power Plant | Natural gas | 1,246 MW | 2007 | PacifiCorp |
| 3 | Intermountain Power Project | Natural gas | 1,093 MW | 2025 | Los Angeles Department of Water & Power |
| 4 | Huntington | Coal | 1,016 MW | 1974 | PacifiCorp |
| 5 | Currant Creek | Natural gas | 567 MW | 2005 | PacifiCorp |
| 6 | Faraday Solar | Solar | 525 MW | 2025 | Faraday Solar B LLC |
| 7 | Bonanza | Coal | 512 MW | 1986 | Deseret Generation & Tran Coop |
| 8 | Gadsby | Natural gas | 433 MW | 1951 | PacifiCorp |
| 9 | West Valley Generation Project | Natural gas | 217 MW | 2001 | Utah Municipal Power Agency |
| 10 | Milford Wind Corridor I LLC | Wind | 204 MW | 2009 | Milford Wind Corridor Phase I, LLC (Longroad) |
| 11 | Appaloosa Solar I | Solar | 200 MW | 2024 | Greenbacker Renewable Energy Corporation |
| 12 | Dominguez Energy Storage | Battery storage | 200 MW | 2025 | Dominguez Grid, LLC |
| 13 | Hornshadow Solar II, LLC | Solar | 200 MW | 2025 | Hornshadow Solar II, LLC |
| 14 | Flaming Gorge | Hydroelectric | 152 MW | 1963 | U S Bureau of Reclamation |
| 15 | Nebo Power Station | Natural gas | 140 MW | 2004 | Utah Associated Mun Power Sys |
| 16 | Cove Mountain Solar 2 | Solar | 122 MW | 2020 | Cove Mountain Solar 2 LLC |
| 17 | Milford Wind Corridor Stage II LLC | Wind | 102 MW | 2011 | Milford Wind Corridor Stage II LLC |
| 18 | Hornshadow Solar, LLC | Solar | 100 MW | 2025 | Hornshadow Solar, LLC |
| 19 | Hunter Solar LLC (UT) | Solar | 100 MW | 2021 | Hunter Solar LLC |
| 20 | Milford Solar 1 | Solar | 99 MW | 2020 | Milford Solar 1, LLC |
| 21 | Clover Creek Solar Community Solar | Solar | 80 MW | 2021 | AES Distributed Energy |
| 22 | Elektron Solar, LLC | Solar | 80 MW | 2024 | Elektron Solar, LLC |
| 23 | Enterprise Solar, LLC | Solar | 80 MW | 2016 | Clearway Renewable Operation & Maintenance LLC |
| 24 | Escalante Solar I, LLC | Solar | 80 MW | 2016 | Clearway Renewable Operation & Maintenance LLC |
| 25 | Escalante Solar II, LLC | Solar | 80 MW | 2016 | Clearway Renewable Operation & Maintenance LLC |
Largest plant for each main fuel
| Main fuel | Plants | Capacity | Largest plant | Its capacity |
|---|---|---|---|---|
| Natural gas | 22 | 4,028 MW | Lake Side Power Plant | 1,246 MW |
| Solar | 55 | 3,037 MW | Faraday Solar | 525 MW |
| Coal | 4 | 3,058 MW | Hunter | 1,472 MW |
| Wind | 5 | 394 MW | Milford Wind Corridor I LLC | 204 MW |
| Hydroelectric | 29 | 264 MW | Flaming Gorge | 152 MW |
| Battery storage | 1 | 200 MW | Dominguez Energy Storage | 200 MW |
| Geothermal | 3 | 77.1 MW | Blundell | 38.1 MW |
| Other sources | 2 | 47.7 MW | Kennecott Power Plant | 38.2 MW |
| Oil and petroleum | 2 | 24.2 MW | St George Red Rock | 14 MW |
| Biomass and waste | 3 | 11.2 MW | Trans-Jordan Generating Station | 4.8 MW |
Balancing areas
| Area | Plants | Capacity |
|---|---|---|
| PacifiCorp East | 113 | 9,485 MW |
| LA Department of Water and Power | 3 | 1,399 MW |
| WAPA Upper Great Plains West | 3 | 237 MW |
| WAPA Rocky Mountain | 7 | 20.2 MW |
Biggest operators here
| Operator | Plants | Capacity |
|---|---|---|
| PacifiCorp | 11 | 4,814 MW |
| Los Angeles Department of Water & Power | 1 | 1,093 MW |
| Clearway Renewable Operation & Maintenance LLC | 7 | 530 MW |
| Deseret Generation & Tran Coop | 2 | 527 MW |
| Faraday Solar B LLC | 1 | 525 MW |
| Greenbacker Renewable Energy Corporation | 3 | 285 MW |
| Utah Municipal Power Agency | 3 | 233 MW |
| Milford Wind Corridor Phase I, LLC (Longroad) | 1 | 204 MW |
| Dominguez Grid, LLC | 1 | 200 MW |
| Hornshadow Solar II, LLC | 1 | 200 MW |