| Hallam | Nebraska Public Power District | Hallam, NE | 547 MWh | May 1973 | Dec 2025 |
Distillate Fuel Oil : 84.6%
Natural Gas : 15.4%
|
| Majestic II Wind | NextEra Energy Majestic Wind | Panhandle, TX | 176 GWh | Jul 2012 | Dec 2025 |
Wind
|
| Majestic 1 Wind Farm | NextEra Energy Majestic Wind | Panhandle, TX | 350 GWh | Dec 2008 | Dec 2025 |
Wind
|
| Breckinridge Wind Project LLC | NextEra Energy Resources Breckinridge | Enid, OK | 291 GWh | Jul 2015 | Dec 2025 |
Wind
|
| Ensign Wind LLC | NextEra Energy Resources Ensign Wind | Montezuma, KS | 400 GWh | Oct 2012 | Dec 2025 |
Wind
|
| Seiling Wind II | NextEra Energy Seiling Wind | Seiling, OK | 261 GWh | Nov 2014 | Dec 2025 |
Wind
|
| Seiling Wind I | NextEra Energy Seiling Wind | Seiling, OK | 454 GWh | Nov 2014 | Dec 2025 |
Wind
|
| Ninnescah Wind Energy, LLC | Ninnescah Wind Energy LLC | Cunningham, KS | 775 GWh | Nov 2016 | May 2026 |
Wind
|
| North Bend Wind Project, LLC | North Bend Wind Project, LLC | Highmore, SD | 854 GWh | Nov 2023 | May 2026 |
Wind
|
| North Fork Solar Project | North Fork Solar Project, LLC | Snyder, OK | 319 GWh | Apr 2024 | May 2026 |
Solar
|
| Harrison County Power Project | Northeast Texas Elec Coop, Inc | Marshall, TX | 3 TWh | May 2003 | May 2026 |
Natural Gas
|
| Aberdeen CT | NorthWestern Energy - (SD) | Aberdeen, SD | 56 GWh | Apr 1978 | Dec 2025 |
Natural Gas
|
| Bob Glanzer Generating Station | NorthWestern Energy - (SD) | Huron, SD | 104 GWh | Mar 2022 | Dec 2024 |
Natural Gas
|
| Beethoven Wind | NorthWestern Energy - (SD) | Tripp, SD | 282 GWh | Apr 2015 | Dec 2025 |
Wind
|
| San Juan Mesa Wind Project LLC | NRG Energy Gas & Wind Holdings Inc | Elida, NM | 224 GWh | Nov 2005 | May 2026 |
Wind
|
| Sleeping Bear LLC | NRG Energy Gas & Wind Holdings Inc | Woodward, OK | 84 GWh | Sep 2007 | Dec 2025 |
Wind
|
| Wasson CO2 Removal Plant | Occidental Permian Ltd | Denver City, TX | 114 GWh | Jan 1988 | Dec 2025 |
Natural Gas
|
| Seminole (OK) | Oklahoma Gas & Electric Co | Konowa, OK | 2 TWh | Feb 1971 | May 2026 |
Natural Gas
|
| Butterfield Solar Farm | Oklahoma Gas & Electric Co | Durant, OK | 11 GWh | Feb 2022 | Dec 2025 |
Solar
|
| Branch Solar Farm | Oklahoma Gas & Electric Co | Branch, AR | 7 GWh | Sep 2021 | Dec 2025 |
Solar
|
| Tinker | Oklahoma Gas & Electric Co | Oklahoma City, OK | 10 GWh | May 1971 | Dec 2025 |
Natural Gas
|
| Chickasaw Nation Solar Farm | Oklahoma Gas & Electric Co | Davis, OK | 10 GWh | Jun 2020 | Dec 2025 |
Solar
|
| Choctaw Nation Solar Farm | Oklahoma Gas & Electric Co | Calera, OK | 9 GWh | Jun 2020 | Dec 2025 |
Solar
|
| Covington Solar Farm | Oklahoma Gas & Electric Co | Covington, OK | 12 GWh | Jan 2018 | Dec 2025 |
Solar
|
| OU Spirit Wind Farm | Oklahoma Gas & Electric Co | Woodward, OK | 127 GWh | Nov 2009 | Dec 2025 |
Wind
|
| Mustang | Oklahoma Gas & Electric Co | Oklahoma City, OK | 477 GWh | Apr 1950 | May 2026 |
Natural Gas : 99.2%
Solar : 0.8%
|
| Frontier | Oklahoma Gas & Electric Co | Oklahoma City, OK | 462 GWh | Aug 1989 | May 2026 |
Natural Gas
|
| Sooner | Oklahoma Gas & Electric Co | Red Rock, OK | 2 TWh | Oct 1979 | May 2026 |
Subbituminous Coal : 99.1%
Distillate Fuel Oil : 0.9%
|
| Centennial Wind Farm | Oklahoma Gas & Electric Co | Fort Supply, OK | 157 GWh | Nov 2006 | Dec 2025 |
Wind
|
| River Valley | Oklahoma Gas & Electric Co | Panama, OK | 487 GWh | Aug 1990 | May 2026 |
Subbituminous Coal : 89.9%
Tire-derived Fuels : 6.3%
Natural Gas : 3.6%
|
| McClain Energy Facility | Oklahoma Gas & Electric Co | Newcastle, OK | 2 TWh | May 2001 | May 2026 |
Natural Gas
|
| Muskogee | Oklahoma Gas & Electric Co | Fort Gibson, OK | 3 TWh | Nov 1977 | May 2026 |
Natural Gas : 56.2%
Subbituminous Coal : 43.8%
|
| Horseshoe Lake | Oklahoma Gas & Electric Co | Harrah, OK | 615 GWh | Mar 1958 | Dec 2024 |
Natural Gas
|
| Crossroads Wind Farm | Oklahoma Gas & Electric Co | Canton, OK | 380 GWh | Dec 2011 | May 2026 |
Wind
|
| Redbud Power Plant | Oklahoma Gas & Electric Co | Luther, OK | 4 TWh | Apr 2004 | May 2026 |
Natural Gas
|
| Charles D. Lamb Energy Center | Oklahoma Municipal Power Authority | Ponca City, OK | 118 GWh | Mar 2015 | Dec 2025 |
Natural Gas
|
| Ponca City | Oklahoma Municipal Power Authority | Ponca City, OK | 32 GWh | Sep 1966 | Dec 2025 |
Natural Gas
|
| Kaw Hydro | Oklahoma Municipal Power Authority | Ponca City, OK | 81 GWh | Jul 1989 | Nov 2025 |
Water
|
| Oliver Wind IV | Oliver Wind IV, LLC | Hannover, ND | 806 GWh | Nov 2024 | May 2026 |
Wind
|
| North Omaha | Omaha Public Power District | Omaha, NE | 2 TWh | Jun 1954 | May 2026 |
Subbituminous Coal : 92.6%
Natural Gas : 7.4%
|
| Turtle Creek | Omaha Public Power District | Springfield, NE | 465 GWh | May 2025 | May 2026 |
Natural Gas : 98.3%
Distillate Fuel Oil : 1.7%
|
| Nebraska City | Omaha Public Power District | Nebraska City, NE | 7 TWh | Mar 1979 | May 2026 |
Subbituminous Coal : 99.6%
|
| Sarpy County | Omaha Public Power District | Bellevue, NE | 179 GWh | May 1972 | Dec 2025 |
Natural Gas : 95.0%
Distillate Fuel Oil : 5.0%
|
| Cass County | Omaha Public Power District | Plattsmouth, NE | 155 GWh | Apr 2003 | Dec 2025 |
Natural Gas
|
| Jones Street | Omaha Public Power District | Omaha, NE | 10 GWh | May 1973 | Dec 2025 |
Distillate Fuel Oil
|
| Elk City Station | Omaha Public Power District | Bennington, NE | 39 GWh | Mar 2002 | Oct 2025 |
Landfill Gas
|
| Oneta Energy Center | Oneta Power LLC | Broken Arrow, OK | 4 TWh | Jun 2002 | May 2026 |
Natural Gas
|
| Middle Daisy | Onyx Asset Services Group | Lovington, NM | 9 GWh | Oct 2017 | Dec 2025 |
Solar
|
| Corvias - Fort Riley II | Onyx Asset Services Group | Fort Riley, KS | 2 GWh | Jan 2022 | Dec 2025 |
Solar
|
| Riley III - Site 6 Community Solar | Onyx Asset Services Group | Fort Riley, KS | 3 GWh | Feb 2025 | Dec 2025 |
Solar
|
| Origin Wind | Origin Wind Energy LLC | Hennepin, OK | 296 GWh | Oct 2014 | Dec 2025 |
Wind
|
| Engineered Carbons Borger Cogen | Orion Engineered Carbons | Borger, TX | 32 GWh | Sep 1982 | Dec 2025 |
Other Gas : 99.5%
|
| OREG 2 Inc | Ormat Nevada Inc | Culbertson, MT | 126 GWh | Nov 2008 | May 2026 |
Waste Heat
|
| OREG 1 Inc | Ormat Nevada Inc | Culbertson, MT | 124 GWh | Jun 2006 | May 2026 |
Waste Heat
|
| Osborn Wind Energy | Osborn Wind Energy LLC | Stewartsville, MO | 690 GWh | Nov 2016 | May 2026 |
Wind
|
| Osceola Windpower LLC | Osceola Windpower LLC | Harris, IA | 384 GWh | Jun 2008 | May 2026 |
Wind
|
| Ozarks Natural Energy Community Solar | Ozarks Electric Coop Corp - (AR) | Springdale, AR | 2 GWh | Mar 2016 | Dec 2025 |
Solar
|
| Palmer's Creek Wind Farm, LLC | Palmer's Creek Wind Farm, LLC | Granite Falls, MN | 132 GWh | Nov 2018 | May 2026 |
Wind
|
| Palo Duro Wind | Palo Duro Wind | Perryton, TX | 1 TWh | Nov 2014 | May 2026 |
Wind
|
| Pantex | Pantex (NNSA) | Amarillo, TX | 34 GWh | May 2014 | May 2026 |
Wind
|
| Post Rock Wind Power Project, LLC | Pattern Operators LP | Ellsworth, KS | 415 GWh | Aug 2012 | May 2026 |
Wind
|
| Little Dixie | Peoples Electric Cooperative | Centrahoma, OK | 27 GWh | Jun 2019 | Dec 2025 |
Natural Gas
|
| Stuart (OK) | Peoples Electric Cooperative | McAlester, OK | 12 GWh | Mar 2023 | Dec 2025 |
Natural Gas
|
| Centrahoma West | Peoples Electric Cooperative | Centrahoma, OK | 85 GWh | Jun 2019 | Dec 2025 |
Natural Gas
|
| Centrahoma East | Peoples Electric Cooperative | Centrahoma, OK | 74 GWh | Jun 2019 | Dec 2025 |
Natural Gas
|
| Buzzard Flop | Peoples Electric Cooperative | Calvin, OK | 13 GWh | Mar 2023 | Dec 2025 |
Natural Gas
|
| Perennial Windfarm | Perennial Wind, LLC | Fairmont, NE | 33 GWh | Jun 2018 | Dec 2025 |
Wind
|
| Pleasant Hill Wind Energy Project | Pleasant Hill Wind Energy LLC | Lorenzo, TX | 33 GWh | Sep 2015 | Dec 2025 |
Wind
|
| Plum Creek Wind Project (NE) | Plum Creek Wind, LLC | Winside, NE | 805 GWh | May 2020 | May 2026 |
Wind
|
| POET Bioprocessing- Mitchell | POET Bioprocessing- Mitchell | Mitchell, SD | 20 GWh | Sep 2021 | Dec 2025 |
Natural Gas
|
| Polk County Renewables, LLC | Polk County Renewables, LLC | Osceola, NE | 11 GWh | Nov 2018 | Dec 2025 |
Wind
|
| Ponderosa Wind II | Ponderosa Wind II, LLC | Balko, OK | 461 GWh | Nov 2024 | May 2026 |
Wind
|
| Ponderosa Wind Energy Center | Ponderosa Wind, LLC | Beaver, OK | 932 GWh | Oct 2020 | May 2026 |
Wind
|
| Fredonia Solar (KS) | PPM Solar LLC | Fredonia, KS | 4 GWh | Apr 2024 | Dec 2025 |
Solar
|
| Beloit Solar LLC | PPM Solar LLC | Beloit, KS | 4 GWh | May 2022 | Dec 2025 |
Solar
|
| Prairie Queen Wind Farm | Prairie Queen Wind Farm LLC | Moran, KS | 442 GWh | Apr 2019 | May 2026 |
Wind
|
| Pratt Wind, LLC | Pratt Wind, LLC | Andover, KS | 847 GWh | Nov 2018 | May 2026 |
Wind
|
| Green Country Power Station | Public Service Co of Oklahoma | Jenks, OK | 4 TWh | Jan 2002 | May 2026 |
Natural Gas
|
| Maverick Wind Project, LLC | Public Service Co of Oklahoma | Meno, OK | 938 GWh | Aug 2021 | May 2026 |
Wind
|
| Sundance Wind Project, LLC | Public Service Co of Oklahoma | Alva, OK | 649 GWh | Mar 2021 | May 2026 |
Wind
|
| Comanche (OK) | Public Service Co of Oklahoma | Lawton, OK | 501 GWh | Apr 1962 | Dec 2024 |
Natural Gas
|
| Tulsa | Public Service Co of Oklahoma | Tulsa, OK | 385 GWh | Oct 1956 | Dec 2024 |
Natural Gas
|
| Flat Ridge 4 | Public Service Co of Oklahoma | Harper, KS | 375 GWh | May 2025 | Feb 2026 |
Wind
|
| Weleetka | Public Service Co of Oklahoma | Weleetka, OK | 13 GWh | Sep 1963 | Dec 2025 |
Natural Gas
|
| Pixley Solar Energy | Public Service Co of Oklahoma | Medicine Lodge, KS | 456 GWh | Apr 2025 | May 2026 |
Solar
|
| Northeastern | Public Service Co of Oklahoma | Oologah, OK | 4 TWh | Mar 1961 | May 2026 |
Natural Gas : 73.7%
Subbituminous Coal : 26.3%
|
| Flat Ridge 5 | Public Service Co of Oklahoma | Harper, KS | 294 GWh | Jul 2025 | Feb 2026 |
Wind
|
| Southwestern | Public Service Co of Oklahoma | Anadarko, OK | 779 GWh | Jun 1952 | Dec 2024 |
Natural Gas
|
| Riverside (OK) | Public Service Co of Oklahoma | Jenks, OK | 686 GWh | Mar 1974 | May 2026 |
Natural Gas
|
| Rock Falls Wind Farm LLC | Public Service Co of Oklahoma | Braman, OK | 387 GWh | Nov 2017 | Jan 2026 |
Wind
|
| Ralls Wind Farm | Ralls Wind Farm LLC | Ralls, TX | 8 GWh | Jun 2011 | Dec 2025 |
Wind
|
| Rattlesnake Creek Wind Project | Rattlesnake Creek Wind Project, LLC | Dixon, NE | 906 GWh | Nov 2018 | May 2026 |
Wind
|
| Red Dirt Wind Project | Red Dirt Wind Project, LLC | Hennessy, OK | 874 GWh | Nov 2017 | May 2026 |
Wind
|
| Redbed Plains Wind Farm | Redbed Plains Wind Farm LLC | Tuttle, OK | 406 GWh | Jun 2017 | May 2026 |
Wind
|
| RE Solar, LLC | Redfield Energy, LLC | Redfield, SD | 12 GWh | Nov 2024 | Dec 2025 |
Solar
|
| Rock Rapids | Rock Rapids Municipal Utility - (IA) | Rock Rapids, IA | 20 MWh | Mar 1968 | Dec 2025 |
Distillate Fuel Oil
|
| Rockhaven Wind Project, LLC | Rockhaven Wind Project, LLC | Hennepin, OK | 533 GWh | Nov 2021 | May 2026 |
Wind
|
| Rocking R Solar, LLC | Rocking R Solar, LLC | Hosston, LA | 120 GWh | Jul 2025 | May 2026 |
Solar
|
| Rocky Ridge Wind Project | Rocky Ridge Wind Project LLC | Hobart, OK | 322 GWh | May 2012 | Dec 2025 |
Wind
|
| Roswell Solar, LLC | Roswell Solar, LLC | Roswell, NM | 143 GWh | Jul 2016 | May 2026 |
Solar
|
