Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| POM Juice Solar | Wonderful Renewable Energy, LLC. | Fresno, CA | California Independent System Operator (CISO) | 3.6 GWh | Jun 2021 | Dec 2025 | Solar |
| POM Plant 1 | Wonderful Renewable Energy, LLC. | Del Rey, CA | California Independent System Operator (CISO) | 5.1 GWh | Nov 2021 | Dec 2025 | Solar |
| POM Plant 2 | Wonderful Renewable Energy, LLC. | Del Rey, CA | California Independent System Operator (CISO) | 3.4 GWh | Nov 2021 | Dec 2025 | Solar |
| Pomeroy Wind Farm | MidAmerican Energy Co | Fonda, IA | Midcontinent Independent System Operator, Inc. (MISO) | 970.7 GWh | Nov 2007 | May 2026 | Wind |
| Pomham Islander (CSG) | Nautilus Solar Solutions | North Smithfield, RI | ISO New England (ISNE) | 1.5 GWh | Jun 2025 | Dec 2025 | Solar |
| Ponca City | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 32.4 GWh | Sep 1966 | Dec 2025 | Natural Gas |
| Ponderosa Bailey Creek | Snow Mountain Hydro LLC | Manton, CA | California Independent System Operator (CISO) | 3.9 GWh | Feb 1990 | Dec 2025 | Water |
| Ponderosa Wind Energy Center | Ponderosa Wind, LLC | Beaver, OK | Southwest Power Pool (SWPP) | 932.1 GWh | Oct 2020 | May 2026 | Wind |
| Ponderosa Wind II | Ponderosa Wind II, LLC | Balko, OK | Southwest Power Pool (SWPP) | 460.8 GWh | Nov 2024 | May 2026 | Wind |
| Pontiac | Pontiac Solar, LLC | Pontiac, IL | PJM Interconnection, LLC (PJM) | 4.1 GWh | Jan 2021 | Dec 2025 | Solar |
| Pontiac 1A | Solar DG IL 3 LLC | Pontiac, IL | PJM Interconnection, LLC (PJM) | 4.4 GWh | Jul 2024 | Dec 2025 | Solar |
| Ponton Diesel Generating Facility | Old Dominion Electric Coop | Amelia, VA | PJM Interconnection, LLC (PJM) | 712.0 MWh | Nov 2002 | Dec 2025 | Distillate Fuel Oil |
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | ISO New England (ISNE) | 50.9 GWh | Nov 1986 | Dec 2025 | Water |
| Pontotoc Wind | Avangrid Power LLC | Roff, OK | Southwestern Power Administration (SPA) | 250.9 GWh | - | May 2026 | Wind |
| Pool Brook Rd Community Solar Farm | Generate Capital | Laurens, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Mar 2019 | Dec 2025 | Solar |
| Poole | Southern California Edison Co | Lee Vining, CA | California Independent System Operator (CISO) | 22.3 GWh | Apr 1924 | Dec 2025 | Water |
| Pope Creek Solar PV | Pope Creek Solar, LLC | Aledo, IL | PJM Interconnection, LLC (PJM) | 9.5 GWh | Nov 2024 | Dec 2025 | Solar |
| PopeSun CSG, LLC | SunStrong Management, LLC | Starbuck, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Nov 2017 | Dec 2025 | Solar |
| Poplar Bluff Generating Station | City of Poplar Bluff - (MO) | Poplar Bluff, MO | Southwest Power Pool (SWPP) | 679.0 MWh | Apr 1976 | Dec 2025 | Natural Gas : 92.4% Distillate Fuel Oil : 7.6% |
| Popple Creek (Clark 1) | Greenbacker Renewable Energy Corporation | Colby, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Jan 2024 | Dec 2025 | Solar |
| Port Allen (HI) | Kauai Island Utility Cooperative | Eleele, HI | 93.4 GWh | Dec 1963 | May 2026 | Distillate Fuel Oil | |
| Port Allen (LA) | Placid Refining Co LLC | Port Allen, LA | Midcontinent Independent System Operator, Inc. (MISO) | 49.8 GWh | Apr 1990 | Dec 2025 | Natural Gas |
| Port Allen Solar | Kaieie Waho Company LLC | Eleele, HI | 8.5 GWh | Nov 2012 | Dec 2024 | Solar | |
| Port Arthur Texas Refinery | Total Petrochemicals USA Inc | Port Arthur, TX | Midcontinent Independent System Operator, Inc. (MISO) | 247.8 GWh | Jul 1988 | Dec 2025 | Natural Gas : 71.8% Other Gas : 28.2% |
| Port Charlotte Energy LLC | Port Charlotte Energy LLC | Punta Gorda, FL | Florida Power & Light Co. (FPL) | 626.0 MWh | Sep 2011 | Dec 2024 | Landfill Gas |
| Port Edwards Mill | Domtar Industries Inc | Port Edwards, WI | Midcontinent Independent System Operator, Inc. (MISO) | 36.8 GWh | Dec 1912 | May 2026 | Water |
| Port Everglades | Florida Power & Light Co | Ft. Lauderdale, FL | Florida Power & Light Co. (FPL) | 5.0 TWh | Jul 1971 | May 2026 | Natural Gas : 99.8% |
| Port Jefferson | National Grid Generation LLC | Port Jefferson, NY | New York Independent System Operator (NYIS) | 416.1 GWh | Oct 1958 | May 2026 | Natural Gas : 81.7% Residual Fuel Oil : 17.1% Distillate Fuel Oil : 1.3% |
| Port Leyden Hydroelectric Project | Lyonsdale Hydroelectric Co., Inc. | Port Leyden, NY | New York Independent System Operator (NYIS) | 3.9 GWh | Nov 1985 | Dec 2025 | Water |
| Port of LA Solar FiT Project | Los Angeles Department of Water & Power | San Pedro, CA | Los Angeles Department of Water and Power (LDWP) | 1.4 GWh | Sep 2015 | Dec 2025 | Solar |
| Port Reading 8 Solar | Prologis Logistics Services Incorporated | Carteret, NJ | PJM Interconnection, LLC (PJM) | 2.0 GWh | Nov 2022 | Dec 2025 | Solar |
| Port Richmond WWT Solar | RWE Clean Energy | Staten Island, NY | New York Independent System Operator (NYIS) | 1.4 GWh | Jun 2015 | Dec 2025 | Solar |
| Port Townsend Paper | Port Townsend Paper Co | Port Townsend, WA | Bonneville Power Administration (BPAT) | 7.7 GWh | Dec 1928 | Dec 2025 | Black Liquor : 48.8% Wood/Wood Waste Solids : 40.5% Natural Gas : 9.0% Waste/Other Oil : 1.6% |
| Port Washington Generating Station | Wisconsin Electric Power Co | Port Washington, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.9 TWh | Jun 2005 | May 2026 | Natural Gas |
| Port Wentworth Mill | International Paper Port 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% |
| Port Westward | Portland General Electric Co | Clatskanie, OR | Portland General Electric Company (PGE) | 2.8 TWh | May 2007 | May 2026 | Natural Gas |
| Port Westward Unit 2 | Portland General Electric Co | Clatskanie, OR | Portland General Electric Company (PGE) | 1.1 TWh | Nov 2014 | Dec 2025 | Natural Gas |
| Portage Solar | Ecos Energy LLC | Valparaiso, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Oct 2012 | Dec 2025 | Solar |
| Portage Solar Plant | Portage Solar Plant | Portage, WI | Midcontinent Independent System Operator, Inc. (MISO) | 21.2 GWh | May 2023 | Dec 2025 | Solar |
| Portal | Southern California Edison Co | Lakeshore, CA | California Independent System Operator (CISO) | 26.2 GWh | Nov 1956 | Dec 2025 | Water |
| Portal Ridge Solar B, LLC | Portal Ridge Solar, LLC | Lancaster, CA | California Independent System Operator (CISO) | 52.7 GWh | Jan 2017 | Dec 2025 | Solar |
| Portal Ridge Solar C, LLC | Portal Ridge Solar, LLC | Lancaster, CA | California Independent System Operator (CISO) | 28.6 GWh | Jan 2017 | Dec 2025 | Solar |
| Porter Solar | Cypress Creek Renewables | New Bern, NC | Duke Energy Progress East (CPLE) | 5.7 GWh | Jul 2015 | Dec 2025 | Solar |
| Porter Solar, LLC (TX) | Porter Solar, LLC | Krum, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 504.6 GWh | Sep 2024 | May 2026 | Solar |
| Porter Way Community Solar Garden | Onsite Partners, LLC | Waconia, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.6 GWh | Jan 2018 | May 2026 | Solar |
| Porterhouse Wind (4) LLC | UPC Power Solutions | Gruver, TX | Southwest Power Pool (SWPP) | 8.7 GWh | Dec 2007 | Dec 2024 | Wind |
| Porterville 6 and 7 | Arevon Energy, Inc. | Porterville, CA | California Independent System Operator (CISO) | 4.2 GWh | Jun 2014 | Dec 2025 | Solar |
| Porterville Solar | Altus Power America Management, LLC | Porterville, CA | California Independent System Operator (CISO) | 6.0 GWh | Dec 2013 | Dec 2025 | Solar |
| Portland (PA) | Portland Power, LLC | Mt. Bethel, PA | PJM Interconnection, LLC (PJM) | 9.8 GWh | Sep 1958 | Dec 2025 | Distillate Fuel Oil |
| Portland SP | Solar Planet Power | BROCTON, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Dec 2022 | Dec 2025 | Solar |
| Ports Jersey City Solar | Prologis Logistics Services Incorporated | Jersey City, NJ | PJM Interconnection, LLC (PJM) | 1.6 GWh | Jul 2020 | Dec 2025 | Solar |
| Ports Newark 8201 Solar | Prologis Logistics Services Incorporated | Newark, NJ | PJM Interconnection, LLC (PJM) | 1.6 GWh | Oct 2022 | Dec 2025 | Solar |
| Portside Energy | Primary Energy Recycling Holdings, LLC | Portage, IN | Midcontinent Independent System Operator, Inc. (MISO) | 262.4 GWh | Aug 1997 | Dec 2025 | Natural Gas |
| Poseidon Solar, LLC | Axium Arizona Renewables, LLC | Globe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 48.8 GWh | Nov 2011 | Dec 2025 | Solar |
| Poseidon Wind, LLC | Axium Arizona Renewables, LLC | Herber, AZ | Arizona Public Service Company (AZPS) | 99.5 GWh | Nov 2010 | May 2026 | Wind |
| Posey Solar | Southern Indiana Gas & Elec Co | Mount Vernon, IN | Midcontinent Independent System Operator, Inc. (MISO) | 405.0 GWh | Apr 2025 | May 2026 | Solar |
| Possum Point | Virginia Electric & Power Co | Dumfries, VA | PJM Interconnection, LLC (PJM) | 2.5 TWh | May 1955 | May 2026 | Natural Gas : 99.6% |
| Post Falls | Avista Corp | Post Falls, ID | Avista Corporation (AVA) | 60.4 GWh | Jun 1906 | Dec 2025 | Water |
| Post Oak Wind LLC | Mesquite Wind LLC | Abilene, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 381.6 GWh | Feb 2008 | May 2026 | Wind |
| Post Rock Wind Power Project, LLC | Pattern Operators LP | Ellsworth, KS | Southwest Power Pool (SWPP) | 415.2 GWh | Aug 2012 | May 2026 | Wind |
| Post Wind Farm LP | FPL Energy Red Canyon LLC | Fluvanna, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 311.8 GWh | Mar 2006 | Dec 2025 | Wind |
| Potato Rapids | Wisconsin Public Service Corp | Town of Porterfield, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Apr 1921 | Dec 2025 | Water |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 3.2 GWh | Feb 1985 | Oct 2025 | Water |
| Potomac Energy Center, LLC | Potomac Energy Center LLC | Leesburg, VA | PJM Interconnection, LLC (PJM) | 4.8 TWh | Mar 2017 | May 2026 | Natural Gas |
| Potrero Hills Energy Producers | Potrero Hills Energy Producers, LLC | Suisun City, CA | California Independent System Operator (CISO) | 55.9 GWh | Mar 2016 | Dec 2025 | Landfill Gas |
| Potter Station 2 | Town of Braintree - (MA) | Braintree, MA | ISO New England (ISNE) | 41.0 GWh | Jun 1963 | Dec 2025 | Natural Gas : 61.2% Distillate Fuel Oil : 38.8% |
| Pouch | New York Power Authority | Staten Island, NY | New York Independent System Operator (NYIS) | 61.5 GWh | Jul 2001 | Dec 2025 | Natural Gas |
| Powatan Road Solar | Red Toad Powatan Phase 2 LLC | Clayton, NC | Duke Energy Progress East (CPLE) | 4.2 GWh | Nov 2020 | Dec 2025 | Solar |
| Powder Hill | LSE Delphinus LLC | Enfield, CT | ISO New England (ISNE) | 3.3 GWh | Nov 2020 | Dec 2024 | Solar |
| Powell Creek Solar | Avangrid Power LLC | Miller City, OH | PJM Interconnection, LLC (PJM) | 304.7 GWh | Mar 2025 | May 2026 | Solar |
| Powell Valley | Powell Valley Electric Coop | Kyles Ford, TN | Tennessee Valley Authority (TVA) | 934.0 MWh | Jun 2000 | Dec 2025 | Distillate Fuel Oil |
| Powells Creek Solar - Hybrid | Powells Creek Farm Solar, LLC | Alton, VA | PJM Interconnection, LLC (PJM) | 151.9 GWh | Jul 2023 | May 2026 | Solar |
| Power County Wind Park North | Power County Wind Park North LLC | American Falls, ID | PacifiCorp East (PACE) | 63.9 GWh | Nov 2011 | Dec 2025 | Wind |
| Power County Wind Park South | Power County Wind Park South LLC | American Falls, ID | PacifiCorp East (PACE) | 56.8 GWh | Nov 2011 | Dec 2025 | Wind |
| Power Creek | Cordova Electric Coop, Inc | Cordova, AK | 21.8 GWh | Oct 2001 | Dec 2025 | Water | |
| Power Generation Station (PGS) 2 | East Bay Municipal Util Dist - (CA) | Oakland, CA | California Independent System Operator (CISO) | 20.3 GWh | Nov 2011 | Dec 2025 | Other Biomass Gas |
| Power Island | INEOS USA LLC | Alvin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 907.8 GWh | Oct 1985 | Dec 2025 | Natural Gas |
| 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 |
| PowerFin Kingsbery | PowerFin ASL 1, LLC | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.0 GWh | Feb 2018 | Dec 2025 | Solar |
| Powerlane Plant | City of Greenville - (TX) | Greenville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 48.9 GWh | Dec 1965 | Dec 2024 | Natural Gas : 95.3% Distillate Fuel Oil : 4.7% |
| Powerton | Midwest Generations EME LLC | Pekin, IL | PJM Interconnection, LLC (PJM) | 3.2 TWh | Aug 1972 | May 2026 | Subbituminous Coal : 99.8% |
| Powhatan Solar Power Generation Station | AES Distributed Energy | Apple Valley, CA | California Independent System Operator (CISO) | 3.6 GWh | Nov 2013 | Dec 2025 | Solar |
| PP Jaguar BESS LLC | PP Jaguar BESS LLC | Axtell, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 7.7 GWh | Nov 2025 | May 2026 | Electricity used for energy storage |
| PPG Plant C Caustic | Westlake 2 US LLC | Lake Charles, LA | Midcontinent Independent System Operator, Inc. (MISO) | 14.2 GWh | Sep 1986 | Dec 2025 | Natural Gas |
| PPG Powerhouse C | Westlake 2 US LLC | Lake Charles, LA | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 TWh | Jul 1977 | May 2026 | Natural Gas : 99.8% |
| PPG Riverside | Westlake 2 US LLC | Lake Charles, LA | Midcontinent Independent System Operator, Inc. (MISO) | 98.7 GWh | Aug 1947 | May 2026 | Purchased Steam |
| PPL Frey Farm Landfill Wind | NextEra Renewable Fuels, LLC | Conestoga, PA | PJM Interconnection, LLC (PJM) | 3.5 GWh | Dec 2010 | Mar 2025 | Wind |
| PPS Power Plant No 1 | Paducah Power System | Paducah, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 153.5 GWh | May 2010 | Dec 2025 | Natural Gas |
| Prairie | Altus Power America Management, LLC | Chatsworth, CA | Los Angeles Department of Water and Power (LDWP) | 2.7 GWh | Mar 2021 | Dec 2025 | Solar |
| Prairie Bluff | WM Renewable Energy LLC | Houston, MS | Southern Company Services, Inc. - Trans (SOCO) | 5.0 GWh | Sep 2012 | Dec 2025 | Landfill Gas |
| Prairie Breeze | SunEdison LLC | Elgin, NE | Southwest Power Pool (SWPP) | 543.3 GWh | Apr 2014 | Dec 2025 | Wind |
| Prairie Breeze II | Invenergy Services LLC | Elgin, NE | Southwest Power Pool (SWPP) | 267.7 GWh | Sep 2015 | Dec 2025 | Wind |
| Prairie Breeze III | Invenergy Services LLC | Elgin, NE | Southwest Power Pool (SWPP) | 136.3 GWh | Mar 2016 | Dec 2024 | Wind |
| Prairie Creek | Interstate Power and Light Co | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 82.8 GWh | Sep 1958 | May 2026 | Subbituminous Coal : 62.1% Natural Gas : 37.9% |
| Prairie Creek FL | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 165.2 GWh | Dec 2023 | May 2026 | Solar |
| Prairie Creek Solar | Sol Systems | Jacksonville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 57.8 GWh | Oct 2023 | May 2026 | Solar |
| Prairie Du Sac | Wisconsin Power & Light Co | Prairie du Sac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 152.9 GWh | Sep 1915 | Dec 2025 | Water |
| Prairie Fire | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 7.7 GWh | Nov 2012 | Dec 2025 | Solar |
| Prairie Hill Wind Project | Engie North America | Mart, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 94.0 GWh | Nov 2020 | Nov 2025 | Wind |
| Prairie Island | Northern States Power Co - Minnesota | Welch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.8 TWh | Jan 1974 | May 2026 | Nuclear |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |