| GREC | Mayes | Operational, expanding | 1.78 GW | 4 | Gas, Coal | Grand River Dam Authority |
| Muskogee | Muskogee | Operational | 1.71 GW | 3 | Gas, Coal | Oklahoma Gas & Electric Co |
| Seminole (OK) | Seminole | Operational | 1.7 GW | 3 | Gas | Oklahoma Gas & Electric Co |
| Comanche (OK) | Comanche | Operational, expanding | 1.66 GW | 8 | Gas, Oil | Public Service Co of Oklahoma |
| Northeastern | Rogers | Operational | 1.47 GW | 6 | Gas, Coal, Oil | Public Service Co of Oklahoma |
| Horseshoe Lake | Oklahoma | Operational, expanding | 1.46 GW | 7 | Gas | Oklahoma Gas & Electric Co |
| Redbud Power Plant | Oklahoma | Operational | 1.43 GW | 8 | Gas | Oklahoma Gas & Electric Co |
| Kiamichi Energy Facility | Pittsburg | Operational | 1.37 GW | 6 | Gas | Kiowa Power Partners LLC |
| Oneta Energy Center | Wagoner | Operational | 1.21 GW | 6 | Gas | Oneta Power LLC |
| Sooner | Noble | Operational | 1.13 GW | 2 | Coal | Oklahoma Gas & Electric Co |
| Riverside (OK) | Tulsa | Operational | 1.12 GW | 5 | Gas, Oil | Public Service Co of Oklahoma |
| Chouteau | Mayes | Operational | 1.06 GW | 6 | Gas | Associated Electric Coop, Inc |
| Traverse Wind Project, LLC | Custer | Operational | 999 MW | 1 | Wind | Southwestern Electric Power Co |
| Green Country Power Station | Tulsa | Operational | 903.9 MW | 6 | Gas | Public Service Co of Oklahoma |
| Skeleton Creek Energy Center Hybrid | Garfield | Operational | 752 MW | 3 | Battery, Solar, Wind | Skeleton Creek Energy Center |
| Southwestern | Caddo | Operational | 658 MW | 6 | Gas, Oil | Public Service Co of Oklahoma |
| Wagon Wheel Wind | Logan | Operational | 598.4 MW | 1 | Wind | Southwestern Electric Power Co |
| McClain Energy Facility | McClain | Operational | 551.3 MW | 3 | Gas | Oklahoma Gas & Electric Co |
| Anadarko Plant | Caddo | Operational | 540.3 MW | 8 | Gas | Western Farmers Elec Coop, Inc |
| Mustang | Canadian | Operational | 464.5 MW | 8 | Gas, Solar | Oklahoma Gas & Electric Co |
| Hugo | Choctaw | Operational | 446 MW | 1 | Coal | Western Farmers Elec Coop, Inc |
| High Spring Solar Energy | Muskogee | Planned | 400 MW | 1 | Solar | High Spring Solar Energy |
| Frontier Windpower II | Kay | Operational | 351.8 MW | 1 | Wind | Duke Energy Renewables Services |
| River Valley | Le Flore | Operational | 350 MW | 2 | Coal | Oklahoma Gas & Electric Co |
| Tulsa | Tulsa | Operational | 348.2 MW | 3 | Gas, Oil | Public Service Co of Oklahoma |
| Spring Creek Energy Center | Logan | Operational | 346 MW | 4 | Gas | Evergy Kansas Central, Inc |
| Mooreland | Woodward | Operational | 305 MW | 3 | Gas | Western Farmers Elec Coop, Inc |
| Diamond Spring, LLC | Johnston | Operational | 303.5 MW | 1 | Wind | ALLETE Clean Energy |
| Caddo Wind | Caddo | Operational | 303.2 MW | 1 | Wind | ALLETE Clean Energy |
| Seven Cowboy Wind Project, LLC | Washita | Operational | 301.7 MW | 1 | Wind | Seven Cowboy Wind Project, LLC |
| Chisholm View Wind Project | Garfield | Operational | 300 MW | 2 | Wind | Chisholm View Wind Project |
| Balko Wind LLC | Beaver | Operational | 299.7 MW | 1 | Wind | Balko Wind LLC |
| Red Dirt Wind Project | Kingfisher | Operational | 299.3 MW | 1 | Wind | Red Dirt Wind Project, LLC |
| Kay Wind, LLC | Kay | Operational | 299 MW | 1 | Wind | Southern Power Co |
| Kingfisher Wind LLC | Kingfisher | Operational | 298 MW | 1 | Wind | Kingfisher Wind LLC |
| Thunder Ranch Wind Project | Noble | Operational | 297.8 MW | 1 | Wind | Thunder Ranch Wind Project, LLC |
| Canadian Hills Wind | Canadian | Operational | 293.7 MW | 1 | Wind | Canadian Hills Wind LLC |
| Maverick Wind Project, LLC | Major | Operational | 288 MW | 1 | Wind | Public Service Co of Oklahoma |
| Salina | Mayes | Operational | 259.2 MW | 6 | Pumped Storage | Grand River Dam Authority |
| 25 Mile Creek | Ellis | Operational | 250 MW | 1 | Wind | Enel Green Power NA, Inc. |
| Rumble Solar | Grady | Planned | 250 MW | 1 | Solar | Rumble Solar, LLC |
| Rush Springs Wind | Stephens | Operational | 249.9 MW | 1 | Wind | Rush Springs Wind Project |
| King Plains Wind Project | Garfield | Operational | 248.2 MW | 1 | Wind | Engie North America |
| Armadillo Flats Wind Project, LLC | Garfield | Operational | 247.3 MW | 1 | Wind | Armadillo Flats Wind Project, LLC |
| Crossroads Wind Farm | Dewey | Operational | 227.5 MW | 1 | Wind | Oklahoma Gas & Electric Co |
| Mammoth Plains | Dewey | Operational | 226.1 MW | 1 | Wind | Mammoth Plains Wind Project |
| Great Western Wind Energy, LLC | Ellis | Operational | 225 MW | 1 | Wind | EDF Renewable Asset Holdings, Inc. |
| Willow Creek Wind (OK) | Noble | Operational | 220 MW | 1 | Wind | Willow Creek Wind LLC |
| Horizon Hill Wind Project | Logan | Operational | 201.5 MW | 1 | Wind | Horizon Hill Wind, LLC |
| White Rock East Wind Project | Caddo | Operational | 201.5 MW | 1 | Wind | White Rock Wind East, LLC |
| Frontier Windpower | Kay | Operational | 200 MW | 1 | Wind | Duke Energy Renewables Services |
| Goodwell Wind Project LLC | Texas | Operational | 200 MW | 1 | Wind | Goodwell Wind Project LLC |
| Ponderosa Wind Energy Center | Beaver | Operational | 200 MW | 1 | Wind | Ponderosa Wind, LLC |
| Twelvemile Solar 3 | Mayes | Planned | 200 MW | 1 | Solar | Leeward Asset Management, LLC |
| Seiling Wind I | Dewey | Operational | 199 MW | 1 | Wind | NextEra Energy Seiling Wind |
| Sundance Wind Project, LLC | Woods | Operational | 199 MW | 1 | Wind | Public Service Co of Oklahoma |
| Persimmon Creek Wind Farm 1, LLC | Woodward | Operational | 198.6 MW | 1 | Wind | Evergy Kansas Central, Inc |
| Elk City LLC | Roger Mills | Operational | 198.1 MW | 2 | Wind | Elk City LLC |
| Bluestem | Beaver | Operational | 198 MW | 1 | Wind | Bluestem Wind Energy, LLC |
| Tinker | Oklahoma | Operational | 178.2 MW | 4 | Gas | Oklahoma Gas & Electric Co |
| Rock Falls Wind Farm LLC | Kay | Operational | 154.5 MW | 1 | Wind | Public Service Co of Oklahoma |
| Twelvemile Solar 1 | Mayes | Operational | 152 MW | 1 | Solar | Leeward Asset Management, LLC |
| Grant Wind, LLC | Grant | Operational | 151.8 MW | 1 | Wind | Southern Power Co |
| Keenan II Renewable Energy Co LLC | Woodward | Operational | 151.8 MW | 1 | Wind | CPV Keenan II Renewable Energy Co LLC |
| Blue Canyon Windpower II | Comanche | Operational | 151.4 MW | 1 | Wind | Blue Canyon Windpower II LLC |
| Osage Wind, LLC | Osage | Operational | 150.4 MW | 1 | Wind | Enel Green Power NA, Inc. |
| Origin Wind | Murray | Operational | 150 MW | 1 | Wind | Origin Wind Energy LLC |
| Rocky Ridge Wind Project | Kiowa | Operational | 148.8 MW | 1 | Wind | Rocky Ridge Wind Project LLC |
| Boiling Springs Wind Farm | Woodward | Operational | 148.4 MW | 1 | Wind | RWE Clean Energy |
| Pontotoc Wind | Pontotoc | Operational | 147.5 MW | 1 | Wind | Avangrid Power LLC |
| Grant Plains Wind, LLC | Grant | Operational | 147.2 MW | 1 | Wind | Southern Power Co |
| Weatherford Wind Energy Center | Custer | Operational | 147 MW | 2 | Wind | FPL Energy Weatherford, LLC |
| Rockhaven Wind Project, LLC | Murray | Operational | 140 MW | 1 | Wind | Rockhaven Wind Project, LLC |
| Ponca City | Kay | Operational | 134.3 MW | 3 | Gas | Oklahoma Municipal Power Authority |
| Dempsey Ridge Wind Farm | Roger Mills | Operational | 132 MW | 1 | Wind | Acciona Wind Energy USA LLC |
| Frontier | Oklahoma | Operational | 131.4 MW | 2 | Gas | Oklahoma Gas & Electric Co |
| Pensacola | Mayes | Operational | 130.1 MW | 7 | Hydro | Grand River Dam Authority |
| Minco Wind IV, LLC | Canadian | Operational | 130 MW | 1 | Wind | Minco Wind IV, LLC |
| Taloga Wind LLC | Dewey | Operational | 130 MW | 1 | Wind | Taloga Wind LLC |
| Markham | Mayes | Operational | 128.4 MW | 4 | Hydro | Grand River Dam Authority |
| Huckleberry Solar | Mayes | Operational | 124.7 MW | 1 | Solar | Leeward Asset Management, LLC |
| Red Hills Wind Project LLC | Roger Mills | Operational | 123 MW | 1 | Wind | Acciona Wind Energy USA LLC |
| Charles D. Lamb Energy Center | Kay | Operational | 122 MW | 1 | Gas | Oklahoma Municipal Power Authority |
| Centennial Wind Farm | Harper | Operational | 120 MW | 1 | Wind | Oklahoma Gas & Electric Co |
| North Fork Solar Project | Kiowa | Operational | 120 MW | 1 | Solar | North Fork Solar Project, LLC |
| Glass Sands Wind Facility | Murray | Operational | 117 MW | 1 | Wind | Southern Power Co |
| Georgia-Pacific Muskogee | Muskogee | Operational | 114 MW | 3 | Gas | Georgia-Pacific Muskogee LLC |
| Robert S Kerr | Sequoyah | Operational | 110 MW | 4 | Hydro | USCE-Tulsa District |
| Weleetka | Okfuskee | Operational | 110 MW | 3 | Gas, Oil | Public Service Co of Oklahoma |
| Drift Sand Wind Project LLC | Grady | Operational | 108 MW | 1 | Wind | Enel Green Power NA, Inc. |
| Oklahoma Wind Energy Center | Woodward | Operational | 102 MW | 2 | Wind | FPL Energy Oklahoma Wind LLC |
| Panhandle Solar | Texas | Planned | 102 MW | 1 | Solar | Panhandle Solar, LLC |
| Mayes County Solar | Mayes | Planned | 101.5 MW | 1 | Solar | Leeward Asset Management, LLC |
| OU Spirit Wind Farm | Woodward | Operational | 101.2 MW | 1 | Wind | Oklahoma Gas & Electric Co |
| Minco Wind II, LLC | Grady | Operational | 100.8 MW | 1 | Wind | FPLE Wind, LLC |
| Minco Wind III, LLC | Caddo | Operational | 100.8 MW | 1 | Wind | FPLE Wind, LLC |
| Arbuckle Mountain Wind Farm LLC | Murray | Operational | 100 MW | 1 | Wind | Arbuckle Mountain Wind Farm LLC |
| Broken Bow Dam | McCurtain | Operational | 100 MW | 2 | Hydro | USCE-Tulsa District |
| Kiowa County Solar Project | Kiowa | Operational | 100 MW | 1 | Solar | Kiowa County Solar Project, LLC |
| Ponderosa Wind II | Beaver | Operational | 100 MW | 1 | Wind | Ponderosa Wind II, LLC |
| Wildhorse Mountain Wind Facility | Pushmataha | Operational | 100 MW | 1 | Wind | Southern Power Co |
| Blue Canyon Windpower VI LLC | Caddo | Operational | 99.8 MW | 1 | Wind | Blue Canyon Windpower VI LLC |
| White Rock West Wind Project | Caddo | Operational | 99.5 MW | 1 | Wind | White Rock Wind West, LLC |
| Minco Wind I, LLC | Grady | Operational | 99.2 MW | 1 | Wind | FPLE Wind, LLC |
| Redbed Plains Wind Farm | Grady | Operational | 99.1 MW | 1 | Wind | Redbed Plains Wind Farm LLC |
| Blue Canyon Windpower V LLC | Caddo | Operational | 99 MW | 1 | Wind | Blue Canyon Windpower V LLC |
| Breckinridge Wind Project LLC | Garfield | Operational | 98.8 MW | 1 | Wind | NextEra Energy Resources Breckinridge |
| Seiling Wind II | Dewey | Operational | 98.6 MW | 1 | Wind | NextEra Energy Seiling Wind |
| Sleeping Bear LLC | Harper | Operational | 94.5 MW | 1 | Wind | NRG Energy Gas & Wind Holdings Inc |
| Eufaula Dam | Haskell | Operational | 90 MW | 3 | Hydro | USCE-Tulsa District |
| Choctaw Fields Solar Project | Choctaw | Planned | 85 MW | 1 | Solar | Choctaw Fields Solar Project, LLC |
| Webbers Falls | Muskogee | Operational | 75 MW | 3 | Hydro | USCE-Tulsa District |
| Blue Canyon Windpower | Comanche | Operational | 74.3 MW | 1 | Wind | Blue Canyon Windpower LLC |
| Little Elk Wind Project LLC | Washita | Operational | 74 MW | 1 | Wind | Enel Green Power NA, Inc. |
| Saltbranch 2 | Mayes | Planned | 73 MW | 1 | Solar | Leeward Asset Management, LLC |
| Saltbranch Solar 1 | Mayes | Planned | 73 MW | 1 | Solar | Leeward Asset Management, LLC |
| Keystone Dam | Tulsa | Operational | 70 MW | 2 | Hydro | USCE-Tulsa District |
| International Paper Valliant OK | McCurtain | Operational | 68 MW | 1 | Biomass | International Paper - Valliant |
| Breckinridge Energy Storage | Garfield | Operational | 65 MW | 1 | Battery | Breckinridge Energy Storage LLC |
| Minco II Energy Storage | Grady | Operational | 65 MW | 1 | Battery | Minco II Energy Storage LLC |
| NextEra-Blackwell Wind, LLC | Kay | Operational | 59.8 MW | 1 | Wind | Blackwell Wind, LLC |
| Stillwater Energy Center | Payne | Operational | 56.4 MW | 3 | Gas | Stillwater Utilities Authority |
| Twelvemile Solar 2 | Mayes | Operational | 52.2 MW | 1 | Solar | Leeward Asset Management, LLC |
| Fort Gibson | Cherokee | Operational | 44.8 MW | 4 | Hydro | USCE-Tulsa District |
| Woodward Energy Storage | Woodward | Operational | 40 MW | 1 | Battery | Woodward Energy Storage, LLC |
| Tenkiller Ferry | Sequoyah | Operational | 39 MW | 2 | Hydro | USCE-Tulsa District |
| Kaw Hydro | Kay | Operational | 37 MW | 1 | Hydro | Oklahoma Municipal Power Authority |
| Centrahoma East | Coal | Operational | 25 MW | 10 | Gas | Peoples Electric Cooperative |
| Centrahoma West | Coal | Operational | 25 MW | 10 | Gas | Peoples Electric Cooperative |
| Cushing | Payne | Operational | 24.6 MW | 11 | Gas | City of Cushing - (OK) |
| Buffalo Bear LLC | Harper | Operational | 18.9 MW | 1 | Wind | Buffalo Bear, LLC |
| University of Oklahoma | Cleveland | Operational | 18.6 MW | 5 | Gas, Oil | University of Oklahoma |
| Reworld Tulsa | Tulsa | Operational | 16.8 MW | 1 | Waste | Reworld Tulsa LLC |
| Little Dixie | Coal | Operational | 12.5 MW | 5 | Gas | Peoples Electric Cooperative |
| Covington Solar Farm | Garfield | Operational | 10 MW | 1 | Solar | Oklahoma Gas & Electric Co |
| Rush Springs Energy Storage (BA) | Grady | Operational | 10 MW | 1 | Battery | Rush Springs Energy Storage |
| Kingfisher | Kingfisher | Operational | 9.1 MW | 5 | Oil | City of Kingfisher - (OK) |
| Pawhuska | Osage | Operational | 9 MW | 4 | Oil | City of Pawhuska - (OK) |
| Buzzard Flop | Hughes | Operational | 7.5 MW | 3 | Gas | Peoples Electric Cooperative |
| Cana Gas Processing Plant | Canadian | Operational | 7.5 MW | 3 | Oil | EnLink Midstream Services, LLC |
| Butterfield Solar Farm | Bryan | Operational | 5 MW | 1 | Solar | Oklahoma Gas & Electric Co |
| Chickasaw Nation Solar Farm | Murray | Operational | 5 MW | 1 | Solar | Oklahoma Gas & Electric Co |
| Choctaw Nation Solar Farm | Bryan | Operational | 5 MW | 1 | Solar | Oklahoma Gas & Electric Co |
| Cyril | Caddo | Operational | 5 MW | 1 | Solar | Western Farmers Elec Coop, Inc |
| People's | Pontotoc | Operational | 5 MW | 1 | Solar | Today's Power, Inc. |
| Stuart (OK) | Pittsburg | Operational | 5 MW | 2 | Gas | Peoples Electric Cooperative |
| Laverne Diesel Generating Plant | Harper | Operational | 4 MW | 2 | Oil | Town of Laverne - (OK) |
| Tuttle | Grady | Operational | 4 MW | 1 | Solar | Western Farmers Elec Coop, Inc |
| Waynoka Gas Processing Plant | Woods | Operational | 3.9 MW | 3 | Gas | Targa Pipeline Mid-Continent West OK LLC |
| Tulsa LFG LLC | Osage | Operational | 3.2 MW | 2 | Landfill, Gas | Tulsa LFG LLC |
| Hinton | Caddo | Operational | 3 MW | 1 | Solar | Western Farmers Elec Coop, Inc |
| Marietta | Love | Operational | 3 MW | 1 | Solar | Western Farmers Elec Coop, Inc |
| Pine Ridge | Caddo | Operational | 3 MW | 1 | Solar | Western Farmers Elec Coop, Inc |
| Norman Solar | Cleveland | Operational | 2 MW | 1 | Solar | DG Central 1, LLC |
| Tri County - TenK | Texas | Operational | 1 MW | 1 | Solar | Today's Power, Inc. |