Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.1 GWh | Jun 1986 | Dec 2025 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 498.0 MWh | Jun 1985 | Dec 2025 | Water |
| Huntington Falls | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 12.0 GWh | Sep 1988 | Dec 2025 | Water |
| Tazewell Gas Recovery | WM Illinois Renewable Energy LLC | East Peoria, IL | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Jun 1989 | Dec 2025 | Landfill Gas |
| Clairton Works | United States Steel- Clairton | Clairton, PA | PJM Interconnection, LLC (PJM) | 124.1 GWh | Dec 1954 | Dec 2025 | Other Gas : 84.6% Natural Gas : 15.4% |
| Mon Valley Works | United States Steel-Mon Valley | Dravosburg, PA | PJM Interconnection, LLC (PJM) | 483.2 GWh | May 1943 | Dec 2025 | Blast Furnace Gas : 92.7% Other Gas : 7.3% |
| NE Renewable Tamworth, LLC | NE Renewable Tamworth, LLC | Tamworth, NH | ISO New England (ISNE) | 77.8 GWh | Nov 1987 | Dec 2025 | Wood/Wood Waste Solids |
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | ISO New England (ISNE) | 50.9 GWh | Nov 1986 | Dec 2025 | Water |
| Sterling Power Plant | Sterling Power Partners LP | Sherrill, NY | New York Independent System Operator (NYIS) | 22.7 GWh | May 1991 | Dec 2025 | Natural Gas : 99.9% |
| Agnews Power Plant | OLS Energy-Agnews Inc. | San Jose, CA | California Independent System Operator (CISO) | 8.6 GWh | Oct 1990 | Dec 2025 | Natural Gas |
| Coalinga Cogeneration Facility | Aera Energy LLC-Coalinga | Coalinga, CA | California Independent System Operator (CISO) | 42.0 GWh | May 1988 | Dec 2025 | Natural Gas |
| Oak Creek Energy Systems I | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 57.3 GWh | May 1982 | Dec 2025 | Wind |
| New Hogan Power Plant | Modesto Irrigation District | Valley Springs, CA | California Independent System Operator (CISO) | 5.7 GWh | Mar 1989 | Dec 2025 | Water |
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 49.7 GWh | Oct 1987 | Dec 2025 | Water |
| Stillwater Facility | Ormat Stillwater LLC | Fallon, NV | Nevada Power Company (NEVP) | 90.6 GWh | Feb 2009 | Dec 2025 | Geothermal : 58.1% Solar : 41.9% |
| Ormesa I | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 66.4 GWh | Nov 1986 | Dec 2025 | Geothermal |
| National Energy of McBain | National Salvage & Service Corporation | McBain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 129.2 GWh | Nov 1988 | Dec 2025 | Wood/Wood Waste Solids : 90.5% Tire-derived Fuels : 9.4% |
| Seminole Mill | WestRock Seminole | Jacksonville, FL | JEA (JEA) | 150.1 GWh | Jan 1957 | Dec 2025 | Natural Gas |
| Port Wentworth Mill | GFC - Wentworth Mill | Port Wentworth, GA | Southern Company Services, Inc. - Trans (SOCO) | 449.2 GWh | Jul 1991 | Dec 2025 | Black Liquor : 61.4% Wood/Wood Waste Solids : 24.5% Natural Gas : 11.2% Other Biomass Liquids : 1.5% Other Biomass Gas : 1.4% |
| Westrock Hodge (LA) | Westrock (LA) | Hodge, LA | Midcontinent Independent System Operator, Inc. (MISO) | 489.2 GWh | Nov 1952 | Dec 2025 | Black Liquor : 51.3% Natural Gas : 35.6% Wood/Wood Waste Solids : 13.1% |
| East Winds Project | Terra-Gen Operating Co-Wind | Palm Springs, CA | California Independent System Operator (CISO) | 6.4 GWh | Nov 1983 | Dec 2025 | Wind |
| Mojave 16/17/18 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 66.3 GWh | Nov 1989 | Dec 2025 | Wind |
| Twin Falls Hydro | Central Rivers Power US, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 59.3 GWh | Nov 1989 | Dec 2025 | Water |
| Atlantic Alumina, Gramercy Operations | Atalco Gramercy LLC | Gramercy, LA | Midcontinent Independent System Operator, Inc. (MISO) | 180.7 GWh | Jan 1958 | Dec 2025 | Natural Gas |
| CamChino Leasing LLC | CamChino Leasing LLC | Chino, CA | California Independent System Operator (CISO) | 2.1 GWh | Nov 1987 | Dec 2025 | Natural Gas |
| Allegheny No. 5 Hydro Station | Eagle Creek Renewable Energy, LLC | Schenley, PA | PJM Interconnection, LLC (PJM) | 35.4 GWh | Sep 1988 | Dec 2025 | Water |
| Allegheny No 6 Hydro Station | Eagle Creek Renewable Energy, LLC | Ford City, PA | PJM Interconnection, LLC (PJM) | 35.6 GWh | Oct 1988 | Dec 2025 | Water |
| Allegheny Hydro No 8 | Allegheny Hydro LP | Adrian, PA | PJM Interconnection, LLC (PJM) | 79.6 GWh | Nov 1990 | Dec 2025 | Water |
| Allegheny Hydro No 9 | Allegheny Hydro LP | Cowansville, PA | PJM Interconnection, LLC (PJM) | 86.4 GWh | Nov 1990 | Dec 2025 | Water |
| Ford Utilities Center | University of New Mexico | Albuquerque, NM | Public Service Company of New Mexico (PNM) | 77.5 GWh | Feb 2005 | Dec 2025 | Natural Gas |
| Oswego County Energy Recovery | Oswego County - (NY) | Fulton, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Jan 1986 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Middle Fork Irrigation District | Middle Fork Irrigation Dist | Parkdale, OR | Bonneville Power Administration (BPAT) | 20.0 GWh | Feb 1986 | Dec 2025 | Water |
| Des Moines Wastewater Reclamation Fac | Des Moines Metro WRF | Des Moines, IA | Midcontinent Independent System Operator, Inc. (MISO) | 74.5 MWh | Jun 1991 | Dec 2025 | Natural Gas |
| Winnebago County Landfill Gas | Winnebago County - (WI) | Oshkosh, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Jan 2000 | Dec 2025 | Landfill Gas |
| Galesville Project | Douglas County - (OR) | Azalea, OR | PacifiCorp West (PACW) | 4.4 GWh | Jan 1987 | Dec 2025 | Water |
| Slate Creek | Central Rivers Power US, LLC | Lakehead, CA | PacifiCorp West (PACW) | 12.2 GWh | Apr 1990 | Dec 2025 | Water |
| Tropicana Products Bradenton | Tropicana Products Inc | Bradenton, FL | Florida Power & Light Co. (FPL) | 195.4 GWh | Jan 1990 | Dec 2025 | Natural Gas |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 3.5 GWh | Mar 1993 | Dec 2025 | Water |
| Scrubgrass Reclamation CO. LP. | Scrubgrass Reclamation CO. LP. | Kennerdell, PA | PJM Interconnection, LLC (PJM) | 438.9 GWh | May 1993 | Dec 2025 | Waste/Other Coal : 99.7% |
| Carr Street Generating Station | Carr Street Generating Sta LP | East Syracuse, NY | New York Independent System Operator (NYIS) | 227.6 GWh | Jun 1993 | Dec 2025 | Natural Gas |
| Siphon Power Project | Central Oregon Irrigation Dist | Bend, OR | PacifiCorp West (PACW) | 19.0 GWh | Jul 1989 | Dec 2025 | Water |
| Solano County Cogen Plant | Solano County - (CA) | Fairfield, CA | California Independent System Operator (CISO) | 7.9 GWh | May 1989 | Dec 2025 | Natural Gas |
| Rock Creek I | Shorock Hydro Inc | Twin Falls, ID | Idaho Power Company (IPCO) | 86.0 MWh | Aug 1983 | Dec 2025 | Water |
| Aziscohos Hydroelectric Project | Brookfield White Pine Hydro LLC | Wilson Mills, ME | ISO New England (ISNE) | 29.8 GWh | May 1988 | Dec 2025 | Water |
| Ryegate Associates, LLC | Ryegate Associates, LLC | East Ryegate, VT | ISO New England (ISNE) | 157.6 GWh | Aug 1992 | Dec 2025 | Wood/Wood Waste Solids |
| Ocean State Power | Ocean State Power Co | Harrisville, RI | ISO New England (ISNE) | 1.0 TWh | Nov 1990 | Dec 2025 | Natural Gas : 99.7% |
| West Delaware Tunnel Plant | Erie Boulevard Hydropower LP | Grahamsville, NY | New York Independent System Operator (NYIS) | 33.9 GWh | Nov 1988 | Dec 2025 | Water |
| Little Falls Hydro | Eagle Creek Renewable Energy, LLC | Little Falls, NY | New York Independent System Operator (NYIS) | 41.0 GWh | Dec 1986 | Dec 2025 | Water |
| Dartmouth Power Associates LP | Dartmouth Energy Center | Dartmouth, MA | ISO New England (ISNE) | 88.9 GWh | Feb 1992 | Dec 2025 | Natural Gas : 96.7% Distillate Fuel Oil : 3.3% |
| Puna Geothermal Venture I | Puna Geothermal Venture | Pahoa, HI | 207.9 GWh | Jul 1992 | Dec 2025 | Geothermal | |
| Yough Hydro Power | D/R Hydro Co | Confluence, PA | PJM Interconnection, LLC (PJM) | 38.2 GWh | Nov 1989 | Dec 2025 | Water |
| Vanderbilt University Power Plant | Vanderbilt University | Nashville, TN | Tennessee Valley Authority (TVA) | 105.7 GWh | Oct 1988 | Dec 2025 | Natural Gas |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Nov 1987 | Dec 2025 | Water |
| Hartford Hospital Cogeneration | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 49.1 GWh | Jun 1988 | Dec 2025 | Natural Gas |
| Martinez Sulfuric Acid Regeneration Plt | Eco Services Corp. | Martinez, CA | California Independent System Operator (CISO) | 13.4 GWh | Dec 1977 | Dec 2025 | Waste Heat |
| Dominguez Plant | Eco Services Corp. | Long Beach, CA | California Independent System Operator (CISO) | 33.7 GWh | Jul 1976 | Dec 2025 | Waste Heat |
| Houston Plant | Eco Services Corp. | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 52.5 GWh | Dec 1969 | Dec 2025 | Waste Heat |
| Radford Army Ammunition Plant | U.S. Army - Radford | Radford, VA | PJM Interconnection, LLC (PJM) | 32.0 GWh | Dec 1989 | Dec 2025 | Natural Gas |
| McKittrick Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 61.2 GWh | May 2012 | Dec 2025 | Natural Gas |
| Lost Hills Cogeneration Plant | AERA Energy LLC | Lost Hills, CA | California Independent System Operator (CISO) | 7.5 GWh | Sep 1985 | Dec 2025 | Natural Gas |
| Cymric 31X Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 17.5 GWh | Sep 1988 | Dec 2025 | Natural Gas |
| Cymric 6Z Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 26.6 GWh | Jun 1986 | Dec 2025 | Natural Gas |
| Coalinga 25D Cogen | Chevron USA Inc | Coalinga, CA | California Independent System Operator (CISO) | 38.9 GWh | Sep 1986 | Dec 2025 | Natural Gas |
| Elizabeth River Power Station | Virginia Electric & Power Co | Chesapeake, VA | PJM Interconnection, LLC (PJM) | 174.0 GWh | May 1992 | Dec 2025 | Natural Gas : 62.1% Distillate Fuel Oil : 37.9% |
| NewYork-Presbyterian Brooklyn Methodist | NewYork-Presbyterian Brooklyn Methodist Hospital | Brooklyn, NY | New York Independent System Operator (NYIS) | 29.0 MWh | Dec 1990 | Dec 2025 | Distillate Fuel Oil |
| Plant No 2 Orange County | Orange County Sanitation Dist - (CA) | Huntington Beach, CA | California Independent System Operator (CISO) | 46.9 GWh | May 1993 | Dec 2025 | Other Biomass Gas : 77.2% Natural Gas : 22.8% |
| Cymric 36W Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 53.4 GWh | Sep 1982 | Dec 2025 | Natural Gas |
| Wasson CO2 Removal Plant | Occidental Permian Ltd | Denver City, TX | Southwest Power Pool (SWPP) | 114.0 GWh | Jan 1988 | Dec 2025 | Natural Gas |
| Elk Basin Gasoline Plant | Contango Oil and Gas | Powell, WY | PacifiCorp East (PACE) | 6.3 GWh | Dec 1947 | Dec 2025 | Other Gas |
| Whiting Refinery | BP PLC | Whiting, IN | Midcontinent Independent System Operator, Inc. (MISO) | 327.8 GWh | Dec 1947 | Dec 2025 | Other Gas : 87.1% Natural Gas : 12.9% |
| Power Station 4 | South Houston Green Power LLC | Texas City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 516.8 GWh | Aug 1986 | Dec 2025 | Natural Gas |
| Mojave 3/4/5 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 125.0 GWh | Nov 1990 | Dec 2025 | Wind |
| Elkton | Merck & Co Inc | Elkton, VA | PJM Interconnection, LLC (PJM) | 7.4 GWh | May 1982 | Dec 2025 | Natural Gas : 99.9% |
| West Point (PA) | Merck & Co Inc-West Point | West Point, PA | PJM Interconnection, LLC (PJM) | 265.3 GWh | Dec 1971 | Dec 2025 | Natural Gas |
| Lacomb Irrigation District | Lacomb Irrigation Dist | Lebanon, OR | PacifiCorp West (PACW) | 3.8 GWh | Nov 1986 | Dec 2025 | Water |
| Aidlin Geothermal Power Plant | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 82.4 GWh | Apr 1989 | Dec 2025 | Geothermal |
| 85 A | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 70.6 GWh | Dec 1984 | Dec 2025 | Wind |
| 85 B | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 93.2 GWh | Dec 1984 | Dec 2025 | Wind |
| Riverbay | Riverbay Corp | New York, NY | New York Independent System Operator (NYIS) | 88.3 GWh | Feb 2011 | Dec 2025 | Natural Gas : 99.8% |
| Upper Barker | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 4.0 GWh | Apr 1987 | Dec 2025 | Water |
| Conemaugh Hydro Plant | Pennsylvania Renewable Resources | Saltsburg, PA | PJM Interconnection, LLC (PJM) | 43.3 GWh | Jan 1989 | Dec 2025 | Water |
| CITGO Refinery Powerhouse | CITGO Petroleum Corp | Sulphur, LA | Midcontinent Independent System Operator, Inc. (MISO) | 223.9 GWh | Dec 1941 | Dec 2025 | Other Gas |
| C R Wing Cogen Plant | BHER Power Resources, Inc | Big Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 427.5 GWh | Jun 1987 | Dec 2025 | Natural Gas |
| Yuba City Cogen Partners | Wellhead Services, Inc | Yuba City, CA | California Independent System Operator (CISO) | 14.7 GWh | Nov 1990 | Dec 2025 | Natural Gas |
| Falls Creek | Eagle Creek Renewable Energy, LLC | Cascadia, OR | PacifiCorp West (PACW) | 11.8 GWh | Nov 1984 | Dec 2025 | Water |
| Broadwater Power Project | Montana Dept-Natural Res&Consv | Toston, MT | NorthWestern Corporation (NWMT) | 27.9 GWh | May 1989 | Dec 2025 | Water |
| MM West Covina | MM West Covina Energy LLC | West Covina, CA | California Independent System Operator (CISO) | 40.4 GWh | May 1993 | Dec 2025 | Landfill Gas : 99.7% |
| Rensselaer Cogen | Rensselaer Generating LLC | Rensselaer, NY | New York Independent System Operator (NYIS) | 68.3 GWh | Mar 1994 | Dec 2025 | Natural Gas : 99.8% |
| Lockport Energy Associates LP | Lockport Energy Associates LP | Lockport, NY | New York Independent System Operator (NYIS) | 413.0 GWh | Jun 1992 | Dec 2025 | Natural Gas |
| Riverview Energy Systems | Riverview Energy Systems | Riverview, MI | Midcontinent Independent System Operator, Inc. (MISO) | 36.0 MWh | Dec 1987 | Dec 2025 | Landfill Gas |
| International Paper Riverdale Mill | International Paper Co-Riverdl | Selma, AL | Southern Company Services, Inc. - Trans (SOCO) | 552.2 GWh | Dec 1966 | Dec 2025 | Natural Gas : 83.0% Black Liquor : 17.0% |
| International Paper Texarkana Mill | Graphic Packaging International - Texarkana | Queen City, TX | Southwest Power Pool (SWPP) | 388.1 GWh | Dec 1971 | Dec 2025 | Black Liquor : 53.2% Natural Gas : 26.7% Wood/Wood Waste Solids : 20.1% |
| Second Imperial Geothermal | ORCAL Geothermal, Inc | Heber, CA | Imperial Irrigation District (IID) | 275.2 GWh | May 1993 | Dec 2025 | Geothermal |
| Kennedy International Airport Cogen | KIAC Partners | Jamaica, NY | New York Independent System Operator (NYIS) | 609.1 GWh | Nov 1994 | Dec 2025 | Natural Gas |
| Mechanic Falls | KEI (Maine) Power Management (IV) LLC | Mechanic Falls, ME | ISO New England (ISNE) | 1.9 GWh | Mar 1986 | Dec 2025 | Water |
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | ISO New England (ISNE) | 2.7 GWh | Jun 1986 | Dec 2025 | Water |
| World Generation X | North American Energy Services | North Tonawanda, NY | New York Independent System Operator (NYIS) | 404.3 GWh | Jun 1993 | Dec 2025 | Natural Gas |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 500.1 GWh | Jun 1917 | Dec 2025 | Water |
| Hillcrest Pump Station | Denver City & County of - (CO) | Denver, CO | Public Service Company of Colorado (PSCO) | 7.7 GWh | May 1993 | Dec 2025 | Water |
| Stony Brook Cogen Plant | Nissequoque Cogen Partners | Stony Brook, NY | New York Independent System Operator (NYIS) | 284.6 GWh | Mar 1995 | Dec 2025 | Natural Gas |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |