Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hoffmann LaRoche | PB Nutclif Master, LLC | Nutley, NJ | PJM Interconnection, LLC (PJM) | 50.9 GWh | Apr 2004 | Jun 2026 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
| Thunderegg Solar Center, LLC | Cypress Creek Renewables | Nyssa, OR | Idaho Power Company (IPCO) | 21.4 GWh | Oct 2016 | Jun 2026 | Solar |
| Open Range Solar Center, LLC | Cypress Creek Renewables | Nyssa, OR | Idaho Power Company (IPCO) | 21.6 GWh | Aug 2016 | Jun 2026 | Solar |
| Hildreth Solar Power Plant | Duke Energy Florida, LLC | O'Brien, FL | Duke Energy Florida, Inc. (FPC) | 176.2 GWh | Feb 2023 | Jun 2026 | Solar |
| Bull Creek Wind | Bull Creek Wind LLC | O'Donnell, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 259.6 GWh | Nov 2008 | Dec 2025 | Wind |
| Stephens Ranch Wind Energy LLC | Stephens Ranch Wind Energy LLC | O'Donnell, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 859.1 GWh | Nov 2014 | Jun 2026 | Wind |
| O'Fallon Renewable Energy Center | Union Electric Co - (MO) | O'Fallon, MO | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Nov 2014 | Aug 2025 | Solar |
| Grande Prairie Wind Farm | BHE Renewables, LLC | O'Neill, NE | Southwest Power Pool (SWPP) | 1.2 TWh | Nov 2016 | Jun 2026 | Wind |
| Oak Bluffs Diesel Generating Facility | Vineyard Reliability LLC | Oak Bluffs, MA | ISO New England (ISNE) | 2.9 GWh | Dec 1968 | Sep 2025 | Distillate Fuel Oil |
| Elm Road Generating Station | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.5 TWh | Jan 2010 | Jun 2026 | Subbituminous Coal : 88.4% Bituminous Coal : 8.7% Natural Gas : 2.9% |
| MMSD South Shore Wastewater | Milwaukee Metro Sewerage Dist | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 23.0 GWh | Jul 2000 | Dec 2025 | Other Biomass Gas : 88.5% Natural Gas : 11.5% |
| South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 TWh | Nov 1959 | Jun 2026 | Subbituminous Coal : 99.5% |
| IKEA Oak Creek Rooftop PV System | IKEA Property Inc | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | May 2018 | Dec 2025 | Solar |
| Eastern Shore Solar, LLC | Dominion Renewable Energy | Oak Hall, VA | PJM Interconnection, LLC (PJM) | 162.5 GWh | Sep 2016 | Jun 2026 | Solar |
| Davis Besse | Energy Harbor Nuclear Generation LLC | Oak Harbor, OH | PJM Interconnection, LLC (PJM) | 7.1 TWh | Oct 1977 | Jun 2026 | Nuclear |
| Allen S King | Northern States Power Co - Minnesota | Oak Park Heights, MN | Midcontinent Independent System Operator, Inc. (MISO) | 909.7 GWh | Feb 1958 | Jun 2026 | Subbituminous Coal : 99.5% |
| Oak Ridge Solar | AES Clean Energy | Oak Ridge, LA | Midcontinent Independent System Operator, Inc. (MISO) | 414.2 GWh | Nov 2023 | Jun 2026 | Solar |
| Fisher Solar Farm - NC | Strata Manager, LLC | Oakboro, NC | Duke Energy Carolinas (DUK) | 9.5 GWh | Sep 2015 | Dec 2025 | Solar |
| Robert O Schulz Solar Farm | South San Joaquin Irr District | Oakdale, CA | California Independent System Operator (CISO) | 3.9 GWh | Apr 2008 | Dec 2025 | Solar |
| Frankenheimer Power Plant | Turlock Irrigation District | Oakdale, CA | California Independent System Operator (CISO) | 11.3 GWh | Feb 1983 | Dec 2025 | Water |
| Palouse | Onward Energy | Oakesdale, WA | Avista Corporation (AVA) | 303.4 GWh | Nov 2012 | Dec 2025 | Wind |
| US Gypsum Oakfield | U S Gypsum Co | Oakfield, NY | New York Independent System Operator (NYIS) | 17.2 GWh | Mar 1986 | Dec 2025 | Natural Gas |
| 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 |
| Dynegy Oakland Power Plant | Dynegy Oakland, LLC | Oakland, CA | California Independent System Operator (CISO) | 1.6 GWh | Oct 1978 | May 2026 | Jet Fuel |
| WWTP Power Generation Station | East Bay Municipal Util Dist - (CA) | Oakland, CA | California Independent System Operator (CISO) | 31.4 GWh | Jul 1985 | Jun 2026 | Other Biomass Gas : 98.9% Distillate Fuel Oil : 1.1% |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 3.8 GWh | Dec 1917 | Dec 2025 | Water |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 6.8 GWh | Dec 1923 | Dec 2025 | Water |
| Solar Mule, LLC | Solar Mule, LLC | Oakland, ME | ISO New England (ISNE) | 2.0 GWh | Aug 2017 | Dec 2024 | Solar |
| Oakland | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 8.7 GWh | Aug 2022 | Dec 2025 | Solar |
| North Bridgton | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 8.0 GWh | Oct 2022 | Dec 2025 | Solar |
| TPE MD GA137 | Pivot Energy | Oakland, MD | PJM Interconnection, LLC (PJM) | 1.4 GWh | May 2025 | Dec 2025 | Solar |
| TPE MD GA140 | Pivot Energy | Oakland, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | May 2025 | Dec 2025 | Solar |
| MD CDG 002 | MD CDG 002 LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2024 | Dec 2025 | Solar |
| MD CDG 001 | MD CDG 001 LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2024 | Dec 2025 | Solar |
| Deep Creek | BP Piney & Deep Creek LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 14.4 GWh | Jun 1925 | Dec 2025 | Water |
| Roth Rock North Wind Farm, LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 25.2 GWh | Jul 2011 | Jun 2026 | Wind |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 101.0 GWh | Jul 2011 | Jun 2026 | Wind |
| Criterion | Criterion Power Partners LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 262.0 GWh | Nov 2010 | Jun 2026 | Wind |
| Garrett County - DPU Treatment Plant | Tesla Inc. | Oakland, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Apr 2017 | Dec 2025 | Solar |
| Fair Wind | Fair Wind Power Partners, LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 80.2 GWh | Oct 2015 | Jun 2026 | Wind |
| California PV Energy at ISD WWTP | California PV Energy LLC | Oakley, CA | California Independent System Operator (CISO) | 1.9 GWh | Jul 2014 | Dec 2025 | Solar |
| CSD 2- Freedom High | CleanCapital Holdings | Oakley, CA | California Independent System Operator (CISO) | 1.3 GWh | Jul 2013 | Dec 2025 | Solar |
| Oakley Solar Project | Oakley Solar Project LLC | Oakley, CA | California Independent System Operator (CISO) | 2.1 GWh | May 2013 | Dec 2025 | Solar |
| Western Plains Wind | Western Plains Wind, LLC | Oakley, KS | Southwest Power Pool (SWPP) | 11.7 GWh | Sep 2021 | Dec 2025 | Wind |
| Hills Creek | USACE Northwestern Division | Oakridge, OR | Bonneville Power Administration (BPAT) | 115.9 GWh | Jan 1962 | Dec 2025 | Water |
| Mammoth Plains | Mammoth Plains Wind Project | Oakwood, OK | Southwest Power Pool (SWPP) | 623.0 GWh | Nov 2014 | Dec 2025 | Wind |
| North Road Peak | City of Orangeburg - (SC) | Oangeburg, SC | Duke Energy Carolinas (DUK) | 2.1 GWh | Mar 1987 | Dec 2025 | Distillate Fuel Oil |
| Oberlin (KS) | City of Oberlin - (KS) | Oberlin, KS | Southwest Power Pool (SWPP) | 9.8 MWh | Dec 1953 | Dec 2025 | Distillate Fuel Oil |
| Oberlin (OH) | City of Oberlin - (OH) | Oberlin, OH | PJM Interconnection, LLC (PJM) | 593.0 MWh | Dec 1947 | Dec 2025 | Natural Gas : 87.7% Distillate Fuel Oil : 12.3% |
| Oberlin Spear Point Solar One | Oberlin College | Oberlin, OH | PJM Interconnection, LLC (PJM) | 2.5 GWh | Oct 2012 | Dec 2025 | Solar |
| OETN1 | OE_TN1 | Obion, TN | Tennessee Valley Authority (TVA) | 184.2 GWh | Feb 2023 | Jun 2026 | Solar |
| G2 Energy Marion LLC | G2 Energy LLC | Ocala, FL | Duke Energy Florida, Inc. (FPC) | 18.0 MWh | Dec 2008 | Dec 2025 | Landfill Gas |
| Gilead Oceanside Solar Project | Gilead Sciences Inc. | Oceanside, CA | California Independent System Operator (CISO) | 952.0 MWh | Nov 2021 | Dec 2025 | Solar |
| GEN005 Antibody Fuel Cell | 2016 ESA Project Company, LLC | Oceanside, CA | California Independent System Operator (CISO) | 19.5 GWh | Mar 2019 | Dec 2025 | Natural Gas |
| Genentech-Oceanside Hybrid | Tesla Inc. | Oceanside, CA | California Independent System Operator (CISO) | 3.6 GWh | Mar 2016 | Dec 2024 | Solar |
| Mount Sinai South Nassau Hospital | Mount Sinai South Nassau Hospital | Oceanside, NY | New York Independent System Operator (NYIS) | 33.3 MWh | Dec 1974 | Dec 2025 | Distillate Fuel Oil |
| Oil Dri 2 Solar | Westbound Solar LLC | Ochlocknee, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.6 GWh | Apr 2019 | Dec 2025 | Solar |
| Oconto Falls Lower | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Dec 1970 | Dec 2025 | Water |
| Stiles | Oconto Electric Cooperative | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Feb 1949 | Dec 2025 | Water |
| Oconto Falls Upper | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 GWh | Dec 1917 | Dec 2025 | Water |
| Seville 1 | Deriva Energy | Ocotillo Wells, CA | Imperial Irrigation District (IID) | 53.3 GWh | Nov 2015 | Dec 2025 | Solar |
| Seville 2 | Deriva Energy | Ocotillo Wells, CA | Imperial Irrigation District (IID) | 78.3 GWh | Nov 2015 | Dec 2025 | Solar |
| Ocotillo Express LLC | Pattern Operators LP | Ocotillo, CA | California Independent System Operator (CISO) | 402.1 GWh | Nov 2012 | Jun 2026 | Wind |
| Richland (IA) | Interstate Power and Light Co | Odebolt, IA | Midcontinent Independent System Operator, Inc. (MISO) | 495.8 GWh | Aug 2020 | Jun 2026 | Wind |
| Streator Cayuga Ridge South | Avangrid Power LLC | Odell, IL | PJM Interconnection, LLC (PJM) | 666.8 GWh | Feb 2010 | Jun 2026 | Wind |
| Beckham Solar LLC | Dimension Energy LLC | Odell, IL | PJM Interconnection, LLC (PJM) | 302.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Rockhound C | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 12.3 GWh | - | Jun 2026 | Solar |
| Rockhound D | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 4.7 GWh | - | Jun 2026 | Solar |
| Rockhound A | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 57.9 GWh | - | Jun 2026 | Solar |
| Swift Air Solar III | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 146.9 GWh | Oct 2025 | Jun 2026 | Solar |
| Swift Air Solar II | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 215.3 GWh | Oct 2025 | Jun 2026 | Solar |
| Westover | Power Depot Group A, LLC | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 100.0 MWh | Aug 2013 | Dec 2025 | Distillate Fuel Oil |
| N. Mary Francis | Power Depot Group A, LLC | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 116.0 MWh | Jul 2013 | Dec 2025 | Distillate Fuel Oil |
| Oberon IA | Oberon Solar IA | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 254.1 GWh | Jun 2020 | Jun 2026 | Solar |
| Oberon IB | Oberon Solar IB | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 46.1 GWh | Jun 2020 | Jun 2026 | Solar |
| Quail Run Energy Center | Quail Run Energy Partners, LP | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.1 TWh | Apr 2002 | Dec 2025 | Natural Gas |
| Odessa-Ector Power Plant | LaFrontera Holdings LLC | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 8.4 TWh | Jun 2001 | Jun 2026 | Natural Gas |
| Kingsley | Central Nebraska Pub P&I Dist | Ogallala, NE | Southwest Power Pool (SWPP) | 49.4 GWh | Oct 1984 | Dec 2025 | Water |
| Ogden | City of Ogden - (IA) | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 73.0 MWh | Jun 1951 | Dec 2025 | Distillate Fuel Oil |
| Beaver Creek Wind | MidAmerican Energy Co | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 TWh | Nov 2017 | Jun 2026 | Wind |
| Whittier | Solar Planet Power | Ogden, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Feb 2019 | Dec 2025 | Solar |
| Washington St Community Solar Farm #3 | Generate Capital | Ogden, NY | New York Independent System Operator (NYIS) | 3.7 GWh | Mar 2020 | Dec 2024 | Solar |
| Washington St Community Solar Farm #1 | Generate Capital | Ogden, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Jan 2020 | Dec 2025 | Solar |
| Washington St Community Solar Farm #4 | Generate Capital | Ogden, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Jan 2020 | Dec 2025 | Solar |
| SF Auto O1 | Autoliv ASP, Inc. | Ogden, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.8 GWh | Nov 2023 | Dec 2025 | Solar |
| Pioneer | PacifiCorp | Ogden, UT | PacifiCorp East (PACE) | 10.4 GWh | May 1910 | Oct 2025 | Water |
| Pine View Dam | City of Bountiful - (UT) | Ogden, UT | PacifiCorp East (PACE) | 3.4 GWh | May 1991 | Apr 2025 | Water |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Nov 1987 | Dec 2025 | Water |
| CES Heuvelton | Heuvelton Solar, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Aug 2024 | Dec 2025 | Solar |
| Ogema | Greenbacker Renewable Energy Corporation | Ogema, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Feb 2024 | Dec 2025 | Solar |
| Flint River Operations | GFC - Flint River Mill | Oglethorpe, GA | Southern Company Services, Inc. - Trans (SOCO) | 440.4 GWh | Nov 1980 | Dec 2025 | Black Liquor : 80.6% Wood/Wood Waste Solids : 14.0% Natural Gas : 5.4% |
| H Neely Henry Dam | Alabama Power Co | Ohatchee, AL | Southern Company Services, Inc. - Trans (SOCO) | 180.9 GWh | May 1966 | Dec 2025 | Water |
| Big Sky Wind LLC | Big Sky Wind LLC | Ohio, IL | PJM Interconnection, LLC (PJM) | 816.6 GWh | Jan 2011 | Dec 2025 | Wind |
| Somerset Windpower LLC | Sequitur Renewables, LLC | Ohiopyle, PA | PJM Interconnection, LLC (PJM) | 6.7 GWh | Nov 2001 | Jun 2026 | Wind |
| Whitetail | Whitetail Wind Energy, LLC | Oilton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 171.4 GWh | Nov 2012 | Dec 2025 | Wind |
| Covanta Lake County Energy | Covanta Lake Inc | Okahumpka, FL | Duke Energy Florida, Inc. (FPC) | 84.2 GWh | Aug 1990 | Jun 2026 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.7% |
| Lakeside Solar Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 145.0 GWh | Nov 2020 | Jun 2026 | Solar |
| Okeechobee Clean Energy Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 11.0 TWh | Feb 2019 | Jun 2026 | Natural Gas : 99.9% |
| Bluefield Preserve Solar | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 140.7 GWh | Dec 2022 | Jun 2026 | Solar |
| FPL Cavendish Solar Energy Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 118.1 GWh | Dec 2022 | Jun 2026 | Solar |
Summary of Power Plants By State
Figures are based on June 2026 generation numbers.| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 77 | 12,594.28 GWh |
| Alaska | # 48 | 140 | 563.53 GWh |
| Arizona | # 11 | 199 | 11,138.97 GWh |
| Arkansas | # 21 | 117 | 6,425.86 GWh |
| California | # 4 | 1,744 | 17,197.11 GWh |
| Colorado | # 29 | 309 | 4,933.21 GWh |
| Connecticut | # 34 | 173 | 3,737.86 GWh |
| Delaware | # 49 | 35 | 376.53 GWh |
| District of Columbia | # 51 | 17 | 18.29 GWh |
| Florida | # 2 | 342 | 26,309.59 GWh |
| Georgia | # 7 | 250 | 13,880.75 GWh |
| Hawaii | # 47 | 70 | 767.91 GWh |
| Idaho | # 41 | 152 | 2,099.32 GWh |
| Illinois | # 5 | 494 | 16,673.62 GWh |
| Indiana | # 18 | 222 | 8,401.10 GWh |
| Iowa | # 23 | 297 | 6,139.01 GWh |
| Kansas | # 25 | 188 | 5,758.25 GWh |
| Kentucky | # 22 | 61 | 6,181.49 GWh |
| Louisiana | # 15 | 90 | 9,779.36 GWh |
| Maine | # 45 | 242 | 1,215.46 GWh |
| Maryland | # 36 | 228 | 3,591.08 GWh |
| Massachusetts | # 44 | 666 | 1,410.23 GWh |
| Michigan | # 14 | 276 | 9,804.74 GWh |
| Minnesota | # 30 | 790 | 4,889.70 GWh |
| Mississippi | # 20 | 60 | 6,899.16 GWh |
| Missouri | # 24 | 129 | 6,066.44 GWh |
| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,225.73 GWh |
| Nebraska | # 39 | 126 | 3,184.64 GWh |
| Nevada | # 31 | 117 | 4,654.59 GWh |
| New Hampshire | # 43 | 57 | 1,659.52 GWh |
| New Jersey | # 28 | 398 | 5,055.63 GWh |
| New Mexico | # 33 | 159 | 4,408.01 GWh |
| New York | # 10 | 1,064 | 11,564.60 GWh |
| North Carolina | # 8 | 913 | 12,773.20 GWh |
| North Dakota | # 35 | 59 | 3,713.80 GWh |
| Ohio | # 6 | 213 | 13,969.06 GWh |
| Oklahoma | # 17 | 144 | 9,156.03 GWh |
| Oregon | # 27 | 281 | 5,322.08 GWh |
| Pennsylvania | # 3 | 259 | 21,018.65 GWh |
| Rhode Island | # 46 | 107 | 854.92 GWh |
| South Carolina | # 16 | 209 | 9,442.42 GWh |
| South Dakota | # 42 | 53 | 1,803.66 GWh |
| Tennessee | # 19 | 99 | 7,036.17 GWh |
| Texas | # 1 | 1,028 | 57,844.67 GWh |
| Utah | # 38 | 129 | 3,196.09 GWh |
| Vermont | # 50 | 118 | 180.62 GWh |
| Virginia | # 12 | 250 | 10,352.13 GWh |
| Washington | # 13 | 135 | 10,051.77 GWh |
| West Virginia | # 32 | 41 | 4,489.44 GWh |
| Wisconsin | # 26 | 266 | 5,542.48 GWh |
| Wyoming | # 37 | 69 | 3,318.53 GWh |