Power Plants in Louisiana

Louisiana's power sector in numbers

Bywatts maps 72 operating power plants with 24.7 GW of nameplate capacity in Louisiana. Natural Gas leads with 63% of that capacity across 41 plants, followed by Coal (21%) and Nuclear (9%). The inventory also includes 23 plants (5.2 GW) that EIA-860 lists as retired, the largest being WILLOW GLEN (2,178 MW, retired 2018).

The largest operating plants are NINE MILE POINT (1,960 MW, Natural Gas, ENTERGY LOUISIANA INC), BIG CAJUN 2 (1,903 MW, Coal, LOUISIANA GENERATING LLC) and BRAME ENERGY CENTER (1,707 MW, Coal, CLECO POWER LLC).

Of the 72 operating plants with a recorded commissioning year, 26 came online in 2000 or later and 8 in 2010 or later; the busiest decade for new capacity was the 2000s (7.3 GW).

The largest operators by operating capacity are ENTERGY LOUISIANA INC (7 plants, 7.1 GW), ENTERGY GULF STATES - LA LLC (5 plants, 3.6 GW) and CLECO POWER LLC (3 plants, 3.1 GW).

Retail electricity sales in Louisiana reached 98.1 TWh in 2025, up 7.0% over ten years and up 2.9% year on year; residential customers took 32.5% of it. The average retail price across all sectors was 9.50 cents per kWh, up 24.2% since 2015.

The database also maps 236 named substations (none of the 1 with a recorded voltage is rated 345 kV or above), no data centers, 57 solar installers and 34 solar companies in Louisiana.

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.