| Muskogee | Natural Gas | Oklahoma Gas & Electric Co | 1.72 GW |
| Seminole (OK) | Natural Gas | Oklahoma Gas & Electric Co | 1.70 GW |
| Northeastern | Natural Gas | Public Service Co of Oklahoma | 1.48 GW |
| Redbud Power Plant | Natural Gas | Oklahoma Gas & Electric Co | 1.43 GW |
| Kiamichi Energy Facility | Natural Gas | Kiowa Power Partners LLC | 1.37 GW |
| Oneta Energy Center | Natural Gas | Oneta Power LLC | 1.21 GW |
| GREC | Natural Gas | Grand River Dam Authority | 1.19 GW |
| Sooner | Coal | Oklahoma Gas & Electric Co | 1.14 GW |
| Riverside (OK) | Natural Gas | Public Service Co of Oklahoma | 1.12 GW |
| Chouteau | Natural Gas | Associated Electric Coop, Inc | 1.07 GW |
| Traverse Wind Project, LLC | Wind | Southwestern Electric Power Co | 999 MW |
| Green Country Energy LLC | Natural Gas | Green Country OP Services LLC | 903.9 MW |
| Horseshoe Lake | Natural Gas | Oklahoma Gas & Electric Co | 784 MW |
| Southwestern | Natural Gas | Public Service Co of Oklahoma | 658 MW |
| McClain Energy Facility | Natural Gas | Oklahoma Gas & Electric Co | 551.3 MW |
| Mustang | Natural Gas | Oklahoma Gas & Electric Co | 464.5 MW |
| Anadarko Plant | Natural Gas | Western Farmers Elec Coop, Inc | 450.3 MW |
| Hugo | Coal | Western Farmers Elec Coop, Inc | 446 MW |
| Frontier Windpower II | Wind | Duke Energy Renewables Services | 351.8 MW |
| River Valley | Coal | Oklahoma Gas & Electric Co | 350 MW |
| Tulsa | Natural Gas | Public Service Co of Oklahoma | 348.2 MW |
| Spring Creek Energy Center | Natural Gas | Evergy Kansas Central, Inc | 346 MW |
| Mooreland | Natural Gas | Western Farmers Elec Coop, Inc | 305 MW |
| Diamond Spring, LLC | Wind | ALLETE Clean Energy | 303.5 MW |
| Caddo Wind | Wind | ALLETE Clean Energy | 303.2 MW |
| Seven Cowboy Wind Project, LLC | Wind | Seven Cowboy Wind Project, LLC | 301.7 MW |
| Chisholm View Wind Project | Wind | Chisholm View Wind Project | 300 MW |
| Balko Wind LLC | Wind | Balko Wind LLC | 299.7 MW |
| Red Dirt Wind Project | Wind | Red Dirt Wind Project, LLC | 299.3 MW |
| Kay Wind, LLC | Wind | Southern Power Co | 299 MW |
| Kingfisher Wind LLC | Wind | Kingfisher Wind LLC | 298 MW |
| Thunder Ranch Wind Project | Wind | Thunder Ranch Wind Project, LLC | 297.8 MW |
| Comanche (OK) | Natural Gas | Public Service Co of Oklahoma | 294 MW |
| Canadian Hills Wind | Wind | Canadian Hills Wind LLC | 293.7 MW |
| Maverick Wind Project, LLC | Wind | Public Service Co of Oklahoma | 288 MW |
| Salina | Hydroelectric | Grand River Dam Authority | 259.2 MW |
| 25 Mile Creek | Wind | Enel Green Power NA, Inc. | 250 MW |
| Skeleton Creek Energy Center Hybrid | Wind | Skeleton Creek Energy Center | 250 MW |
| Rush Springs Wind | Wind | Rush Springs Wind Project | 249.9 MW |
| King Plains Wind Project | Wind | Engie North America | 248.2 MW |
| Armadillo Flats Wind Project, LLC | Wind | Armadillo Flats Wind Project, LLC | 247.3 MW |
| Crossroads Wind Farm | Wind | Oklahoma Gas & Electric Co | 227.5 MW |
| Great Western Wind Energy, LLC | Wind | EDF Renewable Asset Holdings, Inc. | 225 MW |
| Horizon Hill Wind Project | Wind | Horizon Hill Wind, LLC | 201.5 MW |
| White Rock East Wind Project | Wind | White Rock Wind East, LLC | 201.5 MW |
| Frontier Windpower | Wind | Duke Energy Renewables Services | 200 MW |
| Goodwell Wind Project LLC | Wind | Enel Green Power NA, Inc. | 200 MW |
| Ponderosa Wind Energy Center | Wind | Ponderosa Wind, LLC | 200 MW |
| Mammoth Plains | Wind | Mammoth Plains Wind Project | 199 MW |
| Seiling Wind I | Wind | NextEra Energy Seiling Wind | 199 MW |
| Sundance Wind Project, LLC | Wind | Public Service Co of Oklahoma | 199 MW |
| Persimmon Creek Wind Farm 1, LLC | Wind | Evergy Kansas Central, Inc | 198.6 MW |
| Elk City LLC | Wind | Elk City LLC | 198.1 MW |
| Bluestem | Wind | Bluestem Wind Energy, LLC | 198 MW |
| Rock Falls Wind Farm LLC | Wind | Public Service Co of Oklahoma | 154.5 MW |
| Grant Wind, LLC | Wind | Southern Power Co | 151.8 MW |
| Keenan II Renewable Energy Co LLC | Wind | CPV Keenan II Renewable Energy Co LLC | 151.8 MW |
| Blue Canyon Windpower II | Wind | Blue Canyon Windpower II LLC | 151.4 MW |
| Osage Wind, LLC | Wind | Enel Green Power NA, Inc. | 150.4 MW |
| Origin Wind | Wind | Enel Green Power NA, Inc. | 150 MW |
| Rocky Ridge Wind Project | Wind | Rocky Ridge Wind Project LLC | 148.8 MW |
| Boiling Springs Wind Farm | Wind | Big Sky Wind, LLC | 148.4 MW |
| Grant Plains Wind, LLC | Wind | Southern Power Co | 147.2 MW |
| Weatherford Wind Energy Center | Wind | FPL Energy Weatherford, LLC | 147 MW |
| Rockhaven Wind Project, LLC | Wind | Rockhaven Wind Project, LLC | 140 MW |
| Ponca City | Natural Gas | Oklahoma Municipal Power Authority | 134.3 MW |
| Dempsey Ridge Wind Farm | Wind | Acciona Wind Energy USA LLC | 132 MW |
| Frontier | Natural Gas | Oklahoma Gas & Electric Co | 131.4 MW |
| Pensacola | Hydroelectric | Grand River Dam Authority | 130.1 MW |
| Minco Wind IV, LLC | Wind | Minco Wind IV, LLC | 130 MW |
| Taloga Wind LLC | Wind | Taloga Wind LLC | 130 MW |
| Markham | Hydroelectric | Grand River Dam Authority | 128.4 MW |
| Red Hills Wind Project LLC | Wind | Acciona Wind Energy USA LLC | 123 MW |
| Charles D. Lamb Energy Center | Natural Gas | Oklahoma Municipal Power Authority | 122 MW |
| Centennial Wind Farm | Wind | Oklahoma Gas & Electric Co | 120 MW |
| North Fork Solar Project | Solar | North Fork Solar Project, LLC | 120 MW |
| Glass Sands Wind Facility | Wind | Southern Power Co | 117 MW |
| Georgia-Pacific Muskogee | Natural Gas | Georgia-Pacific Muskogee LLC | 114 MW |
| Robert S Kerr | Hydroelectric | USCE-Tulsa District | 110 MW |
| Weleetka | Natural Gas | Public Service Co of Oklahoma | 110 MW |
| Drift Sand Wind Project LLC | Wind | Enel Green Power NA, Inc. | 108 MW |
| Oklahoma Wind Energy Center | Wind | FPL Energy Oklahoma Wind LLC | 102 MW |
| OU Spirit Wind Farm | Wind | Oklahoma Gas & Electric Co | 101.2 MW |
| Minco Wind II, LLC | Wind | FPLE Wind, LLC | 100.8 MW |
| Minco Wind III, LLC | Wind | FPLE Wind, LLC | 100.8 MW |
| Arbuckle Mountain Wind Farm LLC | Wind | Arbuckle Mountain Wind Farm LLC | 100 MW |
| Broken Bow Dam | Hydroelectric | USCE-Tulsa District | 100 MW |
| Ponderosa Wind II | Wind | Ponderosa Wind II, LLC | 100 MW |
| Wildhorse Mountain Wind Facility | Wind | Southern Power Co | 100 MW |
| Blue Canyon Windpower VI LLC | Wind | Blue Canyon Windpower VI LLC | 99.8 MW |
| White Rock West Wind Project | Wind | White Rock Wind West, LLC | 99.5 MW |
| Minco Wind I, LLC | Wind | FPLE Wind, LLC | 99.2 MW |
| Redbed Plains Wind Farm | Wind | Redbed Plains Wind Farm LLC | 99.1 MW |
| Blue Canyon Windpower V LLC | Wind | Blue Canyon Windpower V LLC | 99 MW |
| Breckinridge Wind Project LLC | Wind | NextEra Energy Resources Breckinridge | 98.8 MW |
| Seiling Wind II | Wind | NextEra Energy Seiling Wind | 98.6 MW |
| Sleeping Bear LLC | Wind | NRG Energy Gas & Wind Holdings Inc | 94.5 MW |
| Eufaula Dam | Hydroelectric | USCE-Tulsa District | 90 MW |
| WFEC GenCo LLC | Natural Gas | Western Farmers Elec Coop, Inc | 90 MW |
| Tinker | Natural Gas | Oklahoma Gas & Electric Co | 82 MW |
| Webbers Falls | Hydroelectric | USCE-Tulsa District | 75 MW |
| Blue Canyon Windpower | Wind | Blue Canyon Windpower LLC | 74.3 MW |
| Little Elk Wind Project LLC | Wind | Enel Green Power NA, Inc. | 74 MW |
| Keystone Dam | Hydroelectric | USCE-Tulsa District | 70 MW |
| International Paper Valliant OK | Biomass | International Paper - Valliant | 68 MW |
| NextEra-Blackwell Wind, LLC | Wind | Blackwell Wind, LLC | 59.8 MW |
| Stillwater Energy Center | Natural Gas | Stillwater Utilities Authority | 56.4 MW |
| Fort Gibson | Hydroelectric | USCE-Tulsa District | 44.8 MW |
| Tenkiller Ferry | Hydroelectric | USCE-Tulsa District | 39 MW |
| Kaw Hydro | Hydroelectric | Oklahoma Municipal Power Authority | 37 MW |
| Centrahoma East | Natural Gas | Peoples Electric Cooperative | 25 MW |
| Centrahoma West | Natural Gas | Peoples Electric Cooperative | 25 MW |
| Cushing | Natural Gas | City of Cushing - (OK) | 24.6 MW |
| Buffalo Bear LLC | Wind | Buffalo Bear, LLC | 18.9 MW |
| University of Oklahoma | Natural Gas | University of Oklahoma | 18.6 MW |
| Reworld Tulsa | Waste | Reworld Tulsa LLC | 16.8 MW |
| Little Dixie | Natural Gas | Peoples Electric Cooperative | 12.5 MW |
| Covington Solar Farm | Solar | Oklahoma Gas & Electric Co | 10 MW |
| Rush Springs Energy Storage (BA) | Storage | Rush Springs Energy Storage | 10 MW |
| Kingfisher | Natural Gas | City of Kingfisher - (OK) | 9.1 MW |
| Pawhuska | Oil | City of Pawhuska - (OK) | 9 MW |
| Buzzard Flop | Natural Gas | Peoples Electric Cooperative | 7.5 MW |
| Cana Gas Processing Plant | Oil | EnLink Midstream Services, LLC | 7.5 MW |
| Mangum | Natural Gas | City of Mangum - (OK) | 6.7 MW |
| Butterfield Solar Farm | Solar | Oklahoma Gas & Electric Co | 5 MW |
| Chickasaw Nation Solar Farm | Solar | Oklahoma Gas & Electric Co | 5 MW |
| Choctaw Nation Solar Farm | Solar | Oklahoma Gas & Electric Co | 5 MW |
| Cyril | Solar | Western Farmers Elec Coop, Inc | 5 MW |
| People's | Solar | Today's Power, Inc. | 5 MW |
| Stuart (OK) | Natural Gas | Peoples Electric Cooperative | 5 MW |
| Laverne Diesel Generating Plant | Oil | Town of Laverne - (OK) | 4 MW |
| Tuttle | Solar | Western Farmers Elec Coop, Inc | 4 MW |
| Waynoka Gas Processing Plant | Natural Gas | Targa Pipeline Mid-Continent West OK LLC | 3.9 MW |
| Tulsa LFG LLC | Waste | Tulsa LFG LLC | 3.2 MW |
| Hinton | Solar | Western Farmers Elec Coop, Inc | 3 MW |
| Marietta | Solar | Western Farmers Elec Coop, Inc | 3 MW |
| Pine Ridge | Solar | Western Farmers Elec Coop, Inc | 3 MW |
| Norman Solar | Solar | DG Central 1, LLC | 2 MW |
| Tri County - TenK | Solar | Today's Power, Inc. | 1 MW |