Power Plants in New Jersey

New Jersey's power sector in numbers

Bywatts maps 130 operating power plants with 14.6 GW of nameplate capacity in New Jersey. Natural Gas leads with 59% of that capacity across 25 plants, followed by Nuclear (25%) and Oil (6%). The inventory also includes 41 plants (5.8 GW) that EIA-860 lists as retired, the largest being PSEG MERCER GENERATING STATION (768 MW, retired 2017).

The largest operating plants are PSEG SALEM GENERATING STATION (2,382 MW, Nuclear, PSEG NUCLEAR LLC), PSEG LINDEN GENERATING STATION (1,759 MW, Natural Gas, PSEG FOSSIL LLC) and BERGEN GENERATING STATION (1,419 MW, Natural Gas, PSEG FOSSIL LLC).

Of the 128 operating plants with a recorded commissioning year, 95 came online in 2000 or later and 77 in 2010 or later; the busiest decade for new capacity was the 1990s (4.3 GW).

The largest operators by operating capacity are PSEG FOSSIL LLC (5 plants, 4.6 GW), PSEG NUCLEAR LLC (2 plants, 3.7 GW) and COGEN TECHNOLOGIES LINDEN VENT (1 plant, 974 MW).

Retail electricity sales in New Jersey reached 73.1 TWh in 2025, down 3.2% over ten years and down 0.6% year on year; residential customers took 41.1% of it. The average retail price across all sectors was 18.85 cents per kWh, up 37.2% since 2015.

The database also maps 49 named substations (2 of the 3 with a recorded voltage are rated 345 kV or above), 12 data centers (operators include Equinix, Lumen Technologies and QTS Realty Trust), 251 solar installers and 76 solar companies in New Jersey.

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.