Power Plants in Utah

Utah's power sector in numbers

Bywatts maps 61 operating power plants with 7.6 GW of nameplate capacity in Utah. Coal leads with 61% of that capacity across 5 plants, followed by Natural Gas (29%) and Wind (4%). The inventory also includes 7 plants (221 MW) that EIA-860 lists as retired, 1 partly retired with no operable units of its recorded fuel and 2 never built; the largest retired plant is CARBON (189 MW, retired 2015).

The largest operating plants are INTERMOUNTAIN POWER PROJECT (1,640 MW, Coal, LOS ANGELES DEPARTMENT OF WATER & POWER), HUNTER (1,472 MW, Coal, PACIFICORP) and HUNTINGTON (996 MW, Coal, PACIFICORP).

Of the 61 operating plants with a recorded commissioning year, 20 came online in 2000 or later and 5 in 2010 or later; the busiest decade for new capacity was the 1970s (2.5 GW).

The largest operators by operating capacity are PACIFICORP (11 plants, 4.1 GW), LOS ANGELES DEPARTMENT OF WATER & POWER (1 plant, 1.6 GW) and DESERET GENERATION & TRAN COOP (1 plant, 500 MW).

Retail electricity sales in Utah reached 35.1 TWh in 2025, up 16.2% over ten years and up 1.1% year on year; residential customers took 33.5% of it. The average retail price across all sectors was 10.67 cents per kWh, up 24.9% since 2015.

The database also maps 287 named substations (25 of the 208 with a recorded voltage are rated 345 kV or above), 4 data centers (operators include Lumen Technologies, Tonaquint Data Center and Verizon Communications), 185 solar installers and 42 solar companies in Utah.

Operating capacity by fuel

Retail electricity sales

Sources: HIFLD power-plant inventory (capacity, fuel, operator), EIA-860 (commissioning year, retirements, operable capacity), EIA retail sales and revenue series through January 2026. Counts are of plants Bywatts lists, not every generator in the state.