Power Plants in Texas

Texas's power sector in numbers

Bywatts maps 307 operating power plants with 105.3 GW of nameplate capacity in Texas. Natural Gas leads with 64% of that capacity across 134 plants, followed by Coal (18%) and Wind (11%). The inventory also includes 93 plants (11.8 GW) that EIA-860 lists as retired and 5 never built; the largest retired plant is MONTICELLO (1,980 MW, retired 2018).

The largest operating plants are W A PARISH (4,008 MW, Coal, NRG TEXAS POWER LLC), SOUTH TEXAS PROJECT (2,709 MW, Nuclear, STP NUCLEAR OPERATING CO) and COMANCHE PEAK (2,430 MW, Nuclear, LUMINANT GENERATION COMPANY LLC).

Of the 303 operating plants with a recorded commissioning year, 170 came online in 2000 or later and 56 in 2010 or later; the busiest decade for new capacity was the 2000s (41.4 GW).

The largest operators by operating capacity are LUMINANT GENERATION COMPANY LLC (9 plants, 9.5 GW), NRG TEXAS POWER LLC (6 plants, 9.2 GW) and CITY OF SAN ANTONIO (6 plants, 5.3 GW).

Retail electricity sales in Texas reached 519.7 TWh in 2025, up 32.5% over ten years and up 2.8% year on year; residential customers took 32.9% of it. The average retail price across all sectors was 10.18 cents per kWh, up 17.1% since 2015.

The database also maps 467 named substations (4 of the 11 with a recorded voltage are rated 345 kV or above), 17 data centers (operators include CyrusOne, Equinix and DataBank), 839 solar installers and 304 solar companies in Texas.

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.