Natural gas power plants in the United States
Natural gas units in the 2025 EIA-860 data total 578.4 GW of nameplate capacity, 42.0% of the US fleet. It is the main source at 1,961 plants; Texas has the most, with 83.0 GW. More of today’s natural gas capacity came online in 2002 than in any other year (65.2 GW). The oldest unit still working went into service in 1936 at Cushing, Oklahoma.
When today’s natural gas capacity was built
Above the line: capacity still operable in 2025, by the year each unit came online. Below: natural gas capacity retired in each year, including plants that have closed completely (EIA’s retired-generator file).
States with the most natural gas capacity
Largest units
The single biggest natural gas generator is unit 1 at Belews Creek, rated at 1,246 MW.
| Plant | State | Unit size | Online |
|---|---|---|---|
| Belews Creek | North Carolina | 1,246 MW | 1974 |
| Belews Creek | North Carolina | 1,246 MW | 1975 |
| Ravenswood | New York | 1,027 MW | 1965 |
| James E. Rogers Energy Complex | North Carolina | 910 MW | 2012 |
| Nine Mile Point | Louisiana | 895 MW | 1973 |
| Nine Mile Point | Louisiana | 895 MW | 1971 |
| TalenEnergy Montour | Pennsylvania | 893 MW | 1973 |
| TalenEnergy Montour | Pennsylvania | 865 MW | 1972 |
The 25 largest natural gas plants
| Rank | Plant | State | Runs on | Capacity | First unit | Operator |
|---|---|---|---|---|---|---|
| 1 | West County Energy Center | Florida | Natural gas | 4,263 MW | 2009 | Florida Power & Light Co |
| 2 | Crystal River | Florida | Natural gas | 3,449 MW | 1982 | Duke Energy Florida, LLC |
| 3 | Barry | Alabama | Natural gas | 3,344 MW | 1954 | Alabama Power Co |
| 4 | Manatee | Florida | Natural gas | 2,951 MW | 1976 | Florida Power & Light Co |
| 5 | Jack McDonough | Georgia | Natural gas | 2,848 MW | 1971 | Georgia Power Co |
| 6 | Fort Myers | Florida | Natural gas | 2,681 MW | 1958 | Florida Power & Light Co |
| 7 | Belews Creek | North Carolina | Natural gas | 2,491 MW | 1974 | Duke Energy Carolinas, LLC |
| 8 | Martin | Florida | Natural gas | 2,448 MW | 1994 | Florida Power & Light Co |
| 9 | Nine Mile Point | Louisiana | Natural gas | 2,440 MW | 1971 | Entergy Louisiana LLC |
| 10 | Union Power Station | Arkansas | Natural gas | 2,428 MW | 2003 | Entergy Arkansas LLC |
| 11 | Sanford | Florida | Natural gas | 2,378 MW | 1969 | Florida Power & Light Co |
| 12 | Jim Bridger | Wyoming | Natural gas | 2,326 MW | 1974 | PacifiCorp |
| 13 | H L Culbreath Bayside Power Station | Florida | Natural gas | 2,294 MW | 1965 | Tampa Electric Co |
| 14 | Hines Energy Complex | Florida | Natural gas | 2,266 MW | 1999 | Duke Energy Florida, LLC |
| 15 | Sherwood H Smith Jr Energy Complex | North Carolina | Natural gas | 2,245 MW | 2001 | Duke Energy Progress (NC) |
| 16 | Victor J Daniel Jr | Mississippi | Natural gas | 2,229 MW | 1977 | Mississippi Power Co |
| 17 | Lincoln Combustion | North Carolina | Natural gas | 2,156 MW | 1995 | Duke Energy Carolinas, LLC |
| 18 | Gulf Clean Energy Center | Florida | Natural gas | 2,108 MW | 1959 | Florida Power & Light Co |
| 19 | Ravenswood | New York | Natural gas | 2,096 MW | 1963 | Ravenswood Operations LLC |
| 20 | Guernsey Power Station | Ohio | Natural gas | 2,055 MW | 2023 | Guernsey Power Station LLC |
| 21 | E C Gaston | Alabama | Natural gas | 2,034 MW | 1960 | Alabama Power Co |
| 22 | H Allen Franklin Combined Cycle | Alabama | Natural gas | 1,996 MW | 2002 | Southern Power Co |
| 23 | Seminole (FL) | Florida | Natural gas | 1,898 MW | 1984 | Seminole Electric Cooperative Inc |
| 24 | Forney Energy Center | Texas | Natural gas | 1,894 MW | 2003 | LaFrontera Holdings LLC |
| 25 | Midland Cogeneration Venture | Michigan | Natural gas | 1,854 MW | 1989 | Midland Cogeneration Venture |