| Traverse Wind Project, LLC (GEN1) | Custer | Operational | 999 MW | Wind | Southwestern Electric Power Co |
| GREC (2) | Mayes | Operational | 594 MW | Coal | Grand River Dam Authority |
| GREC (4) | Mayes | Active | 594 MW | Gas | Grand River Dam Authority |
| Muskogee (4) | Muskogee | Operational | 572 MW | Gas | Oklahoma Gas & Electric Co |
| Muskogee (5) | Muskogee | Operational | 572 MW | Gas | Oklahoma Gas & Electric Co |
| Muskogee (6) | Muskogee | Operational | 572 MW | Coal | Oklahoma Gas & Electric Co |
| Sooner (1) | Noble | Operational | 569 MW | Coal | Oklahoma Gas & Electric Co |
| Sooner (2) | Noble | Operational | 569 MW | Coal | Oklahoma Gas & Electric Co |
| Seminole (1) | Seminole | Operational | 567 MW | Gas | Oklahoma Gas & Electric Co |
| Seminole (2) | Seminole | Operational | 567 MW | Gas | Oklahoma Gas & Electric Co |
| Seminole (3) | Seminole | Operational | 567 MW | Gas | Oklahoma Gas & Electric Co |
| Northeastern (2) | Rogers | Operational | 473 MW | Gas | Public Service Co of Oklahoma |
| Northeastern (3) | Rogers | Operational | 473 MW | Coal | Public Service Co of Oklahoma |
| Riverside (OK) (1) | Tulsa | Operational | 473 MW | Gas | Public Service Co of Oklahoma |
| Riverside (OK) (2) | Tulsa | Operational | 473 MW | Gas | Public Service Co of Oklahoma |
| Hugo (1) | Choctaw | Operational | 446 MW | Coal | Western Farmers Elec Coop, Inc |
| Horseshoe Lake (8) | Oklahoma | Operational | 443 MW | Gas | Oklahoma Gas & Electric Co |
| Ripley Energy Center (RP1) | Payne | Active | 419 MW | Gas | Associated Electric Coop, Inc |
| GREC (3CT) | Mayes | Operational | 369 MW | Gas | Grand River Dam Authority |
| Frontier Windpower II (FW2) | Kay | Operational | 351.8 MW | Wind | Duke Energy Renewables Services |
| Kiamichi Energy Facility (STG1) | Pittsburg | Operational | 317.2 MW | Gas | Kiowa Power Partners LLC |
| Kiamichi Energy Facility (STG2) | Pittsburg | Operational | 317.2 MW | Gas | Kiowa Power Partners LLC |
| Southwestern (3) | Caddo | Operational | 315 MW | Gas | Public Service Co of Oklahoma |
| Diamond Spring, LLC (46001) | Johnston | Operational | 303.5 MW | Wind | ALLETE Clean Energy |
| Caddo Wind (46002) | Caddo | Operational | 303.2 MW | Wind | ALLETE Clean Energy |
| Seven Cowboy Wind Project, LLC (WT1) | Washita | Operational | 301.7 MW | Wind | Seven Cowboy Wind Project, LLC |
| Balko Wind LLC (BAL1) | Beaver | Operational | 299.7 MW | Wind | Balko Wind LLC |
| Red Dirt Wind Project (RDDRT) | Kingfisher | Operational | 299.3 MW | Wind | Red Dirt Wind Project, LLC |
| Kay Wind, LLC (KNG1) | Kay | Operational | 299 MW | Wind | Southern Power Co |
| Kingfisher Wind LLC (KNG1) | Kingfisher | Operational | 298 MW | Wind | Kingfisher Wind LLC |
| Thunder Ranch Wind Project (WT1) | Noble | Operational | 297.8 MW | Wind | Thunder Ranch Wind Project, LLC |
| Canadian Hills Wind (1) | Canadian | Operational | 293.7 MW | Wind | Canadian Hills Wind LLC |
| Maverick Wind Project, LLC (GEN1) | Major | Operational | 288 MW | Wind | Public Service Co of Oklahoma |
| Oneta Energy Center (STG1) | Wagoner | Operational | 255 MW | Gas | Oneta Power LLC |
| Oneta Energy Center (STG2) | Wagoner | Operational | 255 MW | Gas | Oneta Power LLC |
| Skeleton Creek Energy Center Hybrid (SCBAT) | Garfield | Active | 252 MW | Battery | Skeleton Creek Energy Center |
| Skeleton Creek Energy Center Hybrid (SKC) | Garfield | Operational | 250 MW | Wind | Skeleton Creek Energy Center |
| 25 Mile Creek (44444) | Ellis | Operational | 250 MW | Wind | Enel Green Power NA, Inc. |
| Skeleton Creek Energy Center Hybrid (SCSOL) | Garfield | Active | 250 MW | Solar | Skeleton Creek Energy Center |
| Rush Springs Wind (WT1) | Stephens | Operational | 249.9 MW | Wind | Rush Springs Wind Project |
| King Plains Wind Project (WTG) | Garfield | Operational | 248.2 MW | Wind | Engie North America |
| Armadillo Flats Wind Project, LLC (ARM) | Garfield | Operational | 247.3 MW | Wind | Armadillo Flats Wind Project, LLC |
| Chisholm View Wind Project (1) | Garfield | Operational | 235.2 MW | Wind | Chisholm View Wind Project |
| GREC (3ST) | Mayes | Operational | 231.3 MW | Gas | Grand River Dam Authority |
| Crossroads Wind Farm (1-98) | Dewey | Operational | 227.5 MW | Wind | Oklahoma Gas & Electric Co |
| Great Western Wind Energy, LLC (GEN1) | Ellis | Operational | 225 MW | Wind | EDF Renewable Asset Holdings, Inc. |
| Horseshoe Lake (11) | Oklahoma | Active | 224 MW | Gas | Oklahoma Gas & Electric Co |
| Horseshoe Lake (12) | Oklahoma | Active | 224 MW | Gas | Oklahoma Gas & Electric Co |
| Horseshoe Lake (ST7) | Oklahoma | Operational | 220 MW | Gas | Oklahoma Gas & Electric Co |
| Willow Creek Wind (OK) (WCW01) | Noble | Active | 220 MW | Wind | Willow Creek Wind LLC |
| Horizon Hill Wind Project (HHILL) | Logan | Operational | 201.5 MW | Wind | Horizon Hill Wind, LLC |
| White Rock East Wind Project (WRE) | Caddo | Operational | 201.5 MW | Wind | White Rock Wind East, LLC |
| Goodwell Wind Project LLC (GWWP) | Texas | Operational | 200 MW | Wind | Enel Green Power NA, Inc. |
| Frontier Windpower (FC1) | Kay | Operational | 200 MW | Wind | Duke Energy Renewables Services |
| Ponderosa Wind Energy Center (PONDE) | Beaver | Operational | 200 MW | Wind | Ponderosa Wind, LLC |
| Twelvemile Solar 3 (TS03) | Mayes | Active | 200 MW | Solar | Leeward Asset Management, LLC |
| Mammoth Plains (GE1.7) | Dewey | Operational | 199 MW | Wind | Mammoth Plains Wind Project |
| Seiling Wind I (SEIL1) | Dewey | Operational | 199 MW | Wind | NextEra Energy Seiling Wind |
| Sundance Wind Project, LLC (GEN1) | Woods | Operational | 199 MW | Wind | Public Service Co of Oklahoma |
| Redbud Power Plant (CT01) | Oklahoma | Operational | 198.9 MW | Gas | Oklahoma Gas & Electric Co |
| Redbud Power Plant (CT02) | Oklahoma | Operational | 198.9 MW | Gas | Oklahoma Gas & Electric Co |
| Redbud Power Plant (CT03) | Oklahoma | Operational | 198.9 MW | Gas | Oklahoma Gas & Electric Co |
| Redbud Power Plant (CT04) | Oklahoma | Operational | 198.9 MW | Gas | Oklahoma Gas & Electric Co |
| Persimmon Creek Wind Farm 1, LLC (PCWF1) | Woodward | Operational | 198.6 MW | Wind | Evergy Kansas Central, Inc |
| McClain Energy Facility (ST1) | McClain | Operational | 198.1 MW | Gas | Oklahoma Gas & Electric Co |
| Bluestem (1) | Beaver | Operational | 198 MW | Wind | Bluestem Wind Energy, LLC |
| Kiamichi Energy Facility (CTG1) | Pittsburg | Operational | 183.9 MW | Gas | Kiowa Power Partners LLC |
| Kiamichi Energy Facility (CTG2) | Pittsburg | Operational | 183.9 MW | Gas | Kiowa Power Partners LLC |
| Kiamichi Energy Facility (CTG3) | Pittsburg | Operational | 183.9 MW | Gas | Kiowa Power Partners LLC |
| Kiamichi Energy Facility (CTG4) | Pittsburg | Operational | 183.9 MW | Gas | Kiowa Power Partners LLC |
| Chouteau (3) | Mayes | Operational | 182.8 MW | Gas | Associated Electric Coop, Inc |
| Chouteau (6) | Mayes | Operational | 182.8 MW | Gas | Associated Electric Coop, Inc |
| Green Country Energy LLC (CTG1) | Tulsa | Operational | 179.3 MW | Gas | Green Country OP Services LLC |
| Green Country Energy LLC (CTG2) | Tulsa | Operational | 179.3 MW | Gas | Green Country OP Services LLC |
| Green Country Energy LLC (CTG3) | Tulsa | Operational | 179.3 MW | Gas | Green Country OP Services LLC |
| Northeastern (1A) | Rogers | Operational | 178.5 MW | Gas | Public Service Co of Oklahoma |
| Northeastern (1B) | Rogers | Operational | 178.5 MW | Gas | Public Service Co of Oklahoma |
| McClain Energy Facility (CT1) | McClain | Operational | 176.6 MW | Gas | Oklahoma Gas & Electric Co |
| McClain Energy Facility (CT2) | McClain | Operational | 176.6 MW | Gas | Oklahoma Gas & Electric Co |
| Oneta Energy Center (CTG1) | Wagoner | Operational | 176 MW | Gas | Oneta Power LLC |
| Oneta Energy Center (CTG2) | Wagoner | Operational | 176 MW | Gas | Oneta Power LLC |
| Oneta Energy Center (CTG3) | Wagoner | Operational | 176 MW | Gas | Oneta Power LLC |
| Oneta Energy Center (CTG4) | Wagoner | Operational | 176 MW | Gas | Oneta Power LLC |
| Chouteau (1) | Mayes | Operational | 176 MW | Gas | Associated Electric Coop, Inc |
| Chouteau (2) | Mayes | Operational | 176 MW | Gas | Associated Electric Coop, Inc |
| Chouteau (4) | Mayes | Operational | 176 MW | Gas | Associated Electric Coop, Inc |
| Chouteau (5) | Mayes | Operational | 176 MW | Gas | Associated Electric Coop, Inc |
| River Valley (GEN1) | Le Flore | Operational | 175 MW | Coal | Oklahoma Gas & Electric Co |
| River Valley (GEN2) | Le Flore | Operational | 175 MW | Coal | Oklahoma Gas & Electric Co |
| Northeastern (1) | Rogers | Operational | 170 MW | Gas | Public Service Co of Oklahoma |
| Tulsa (2) | Tulsa | Operational | 170 MW | Gas | Public Service Co of Oklahoma |
| Tulsa (4) | Tulsa | Operational | 170 MW | Gas | Public Service Co of Oklahoma |
| Redbud Power Plant (ST01) | Oklahoma | Operational | 159.5 MW | Gas | Oklahoma Gas & Electric Co |
| Redbud Power Plant (ST02) | Oklahoma | Operational | 159.5 MW | Gas | Oklahoma Gas & Electric Co |
| Redbud Power Plant (ST03) | Oklahoma | Operational | 159.5 MW | Gas | Oklahoma Gas & Electric Co |
| Redbud Power Plant (ST04) | Oklahoma | Operational | 159.5 MW | Gas | Oklahoma Gas & Electric Co |
| Rock Falls Wind Farm LLC (RF1) | Kay | Operational | 154.5 MW | Wind | Public Service Co of Oklahoma |
| Twelvemile Solar 1 & 2 (TS12) | Mayes | Active | 152 MW | Solar | Leeward Asset Management, LLC |
| Keenan II Renewable Energy Co LLC (1) | Woodward | Operational | 151.8 MW | Wind | CPV Keenan II Renewable Energy Co LLC |
| Grant Wind, LLC (GRANT) | Grant | Operational | 151.8 MW | Wind | Southern Power Co |
| Blue Canyon Windpower II (EW2) | Comanche | Operational | 151.4 MW | Wind | Blue Canyon Windpower II LLC |
| Osage Wind, LLC (1) | Osage | Operational | 150.4 MW | Wind | Enel Green Power NA, Inc. |
| Origin Wind (WT) | Murray | Operational | 150 MW | Wind | Enel Green Power NA, Inc. |
| Rocky Ridge Wind Project (GE 1.) | Kiowa | Operational | 148.8 MW | Wind | Rocky Ridge Wind Project LLC |
| Boiling Springs Wind Farm (BGSPS) | Woodward | Operational | 148.4 MW | Wind | Big Sky Wind, LLC |
| Pontotoc Wind (20101) | Pontotoc | Active | 147.5 MW | Wind | Avangrid Power LLC |
| Grant Plains Wind, LLC (WT) | Grant | Operational | 147.2 MW | Wind | Southern Power Co |
| Rockhaven Wind Project, LLC (RHWWT) | Murray | Operational | 140 MW | Wind | Rockhaven Wind Project, LLC |
| Mooreland (3) | Woodward | Operational | 135 MW | Gas | Western Farmers Elec Coop, Inc |
| Dempsey Ridge Wind Farm (DR) | Roger Mills | Operational | 132 MW | Wind | Acciona Wind Energy USA LLC |
| Taloga Wind LLC (1) | Dewey | Operational | 130 MW | Wind | Taloga Wind LLC |
| Minco Wind IV, LLC (MIV) | Canadian | Operational | 130 MW | Wind | Minco Wind IV, LLC |
| Mooreland (2) | Woodward | Operational | 125 MW | Gas | Western Farmers Elec Coop, Inc |
| Huckleberry Solar (HBS) | Mayes | Active | 124.7 MW | Solar | Leeward Asset Management, LLC |
| Red Hills Wind Project LLC (RH) | Roger Mills | Operational | 123 MW | Wind | Acciona Wind Energy USA LLC |
| Green Country Energy LLC (STG1) | Tulsa | Operational | 122 MW | Gas | Green Country OP Services LLC |
| Green Country Energy LLC (STG2) | Tulsa | Operational | 122 MW | Gas | Green Country OP Services LLC |
| Green Country Energy LLC (STG3) | Tulsa | Operational | 122 MW | Gas | Green Country OP Services LLC |
| Charles D. Lamb Energy Center (1) | Kay | Operational | 122 MW | Gas | Oklahoma Municipal Power Authority |
| Centennial Wind Farm (WT1) | Harper | Operational | 120 MW | Wind | Oklahoma Gas & Electric Co |
| North Fork Solar Project (NFORK) | Kiowa | Operational | 120 MW | Solar | North Fork Solar Project, LLC |
| Comanche (OK) (1S) | Comanche | Operational | 120 MW | Gas | Public Service Co of Oklahoma |
| Glass Sands Wind Facility (1) | Murray | Operational | 117 MW | Wind | Southern Power Co |
| Drift Sand Wind Project LLC (WT1) | Grady | Operational | 108 MW | Wind | Enel Green Power NA, Inc. |
| Weatherford Wind Energy Center (1) | Custer | Operational | 106.5 MW | Wind | FPL Energy Weatherford, LLC |
| Anadarko Plant (4) | Caddo | Operational | 105.1 MW | Gas | Western Farmers Elec Coop, Inc |
| Anadarko Plant (5) | Caddo | Operational | 105.1 MW | Gas | Western Farmers Elec Coop, Inc |
| Anadarko Plant (6) | Caddo | Operational | 105.1 MW | Gas | Western Farmers Elec Coop, Inc |
| Mayes County Solar (MYS) | Mayes | Active | 101.5 MW | Solar | Leeward Asset Management, LLC |
| OU Spirit Wind Farm (WT1) | Woodward | Operational | 101.2 MW | Wind | Oklahoma Gas & Electric Co |
| Minco Wind II, LLC (1) | Grady | Operational | 100.8 MW | Wind | FPLE Wind, LLC |
| Minco Wind III, LLC (1) | Caddo | Operational | 100.8 MW | Wind | FPLE Wind, LLC |
| Arbuckle Mountain Wind Farm LLC (GEN1) | Murray | Operational | 100 MW | Wind | Arbuckle Mountain Wind Farm LLC |
| Wildhorse Mountain Wind Facility (1) | Pushmataha | Operational | 100 MW | Wind | Southern Power Co |
| Ponderosa Wind II (GP01) | Beaver | Operational | 100 MW | Wind | Ponderosa Wind II, LLC |
| Kiowa County Solar Project, LLC (USKWA) | Kiowa | Operational | 100 MW | Solar | Kiowa County Solar Project, LLC |
| Blue Canyon Windpower VI LLC (GEN1) | Caddo | Operational | 99.8 MW | Wind | Blue Canyon Windpower VI LLC |
| White Rock West Wind Project (WRW) | Caddo | Operational | 99.5 MW | Wind | White Rock Wind West, LLC |
| Elk City LLC (2) | Roger Mills | Operational | 99.2 MW | Wind | Elk City LLC |
| Minco Wind I, LLC (1) | Grady | Operational | 99.2 MW | Wind | FPLE Wind, LLC |
| Redbed Plains Wind Farm (WT1) | Grady | Operational | 99.1 MW | Wind | Redbed Plains Wind Farm LLC |
| Blue Canyon Windpower V LLC (GEN 1) | Caddo | Operational | 99 MW | Wind | Blue Canyon Windpower V LLC |
| Elk City LLC (1) | Roger Mills | Operational | 98.9 MW | Wind | Elk City LLC |
| Breckinridge Wind Project LLC (BWP) | Garfield | Operational | 98.8 MW | Wind | NextEra Energy Resources Breckinridge |
| Seiling Wind II (SEIL2) | Dewey | Operational | 98.6 MW | Wind | NextEra Energy Seiling Wind |
| Sleeping Bear LLC (1) | Harper | Operational | 94.5 MW | Wind | NRG Energy Gas & Wind Holdings Inc |
| Frontier (GT01) | Oklahoma | Operational | 87.2 MW | Gas | Oklahoma Gas & Electric Co |
| Southwestern (4) | Caddo | Operational | 86.5 MW | Gas | Public Service Co of Oklahoma |
| Southwestern (5) | Caddo | Operational | 86.5 MW | Gas | Public Service Co of Oklahoma |
| Riverside (OK) (3) | Tulsa | Operational | 86.5 MW | Gas | Public Service Co of Oklahoma |
| Riverside (OK) (4) | Tulsa | Operational | 86.5 MW | Gas | Public Service Co of Oklahoma |
| Spring Creek Energy Center (CT01) | Logan | Operational | 86.5 MW | Gas | Evergy Kansas Central, Inc |
| Spring Creek Energy Center (CT02) | Logan | Operational | 86.5 MW | Gas | Evergy Kansas Central, Inc |
| Spring Creek Energy Center (CT03) | Logan | Operational | 86.5 MW | Gas | Evergy Kansas Central, Inc |
| Spring Creek Energy Center (CT04) | Logan | Operational | 86.5 MW | Gas | Evergy Kansas Central, Inc |
| Comanche (OK) (1G1) | Comanche | Operational | 85 MW | Gas | Public Service Co of Oklahoma |
| Comanche (OK) (1G2) | Comanche | Operational | 85 MW | Gas | Public Service Co of Oklahoma |
| Choctaw Fields Solar Project, LLC (USMNC) | Choctaw | Active | 85 MW | Solar | Shell Wind Energy Inc. |
| Southwestern (1) | Caddo | Operational | 84 MW | Gas | Public Service Co of Oklahoma |
| Southwestern (2) | Caddo | Operational | 84 MW | Gas | Public Service Co of Oklahoma |
| Grand River Energy Center Solar (GRECS) | Mayes | Active | 84 MW | Solar | EDF Renewables Development, Inc. |
| Blue Canyon Windpower (EW) | Comanche | Operational | 74.3 MW | Wind | Blue Canyon Windpower LLC |
| Little Elk Wind Project LLC (LEWP) | Washita | Operational | 74 MW | Wind | Enel Green Power NA, Inc. |
| Saltbranch Solar 1 (SLTB1) | Mayes | Active | 73 MW | Solar | Leeward Asset Management, LLC |
| Saltbranch 2 (SB12) | Mayes | Active | 73 MW | Solar | Leeward Asset Management, LLC |
| International Paper Valliant OK (TG1) | McCurtain | Operational | 68 MW | Biomass | International Paper - Valliant |
| Mustang (GT1) | Canadian | Operational | 66 MW | Gas | Oklahoma Gas & Electric Co |
| Mustang (GT2) | Canadian | Operational | 66 MW | Gas | Oklahoma Gas & Electric Co |
| Mustang (GT3) | Canadian | Operational | 66 MW | Gas | Oklahoma Gas & Electric Co |
| Mustang (GT4) | Canadian | Operational | 66 MW | Gas | Oklahoma Gas & Electric Co |
| Mustang (GT5) | Canadian | Operational | 66 MW | Gas | Oklahoma Gas & Electric Co |
| Mustang (GT6) | Canadian | Operational | 66 MW | Gas | Oklahoma Gas & Electric Co |
| Mustang (GT7) | Canadian | Operational | 66 MW | Gas | Oklahoma Gas & Electric Co |
| Breckinridge Energy Storage (BRKES) | Garfield | Active | 65 MW | Battery | Breckinridge Energy Storage LLC |
| Minco II Energy Storage (MINS2) | Grady | Active | 65 MW | Battery | Minco II Energy Storage LLC |
| Chisholm View Wind Project (2) | Garfield | Operational | 64.8 MW | Wind | Chisholm View Wind Project |
| Horseshoe Lake (10) | Oklahoma | Operational | 60.5 MW | Gas | Oklahoma Gas & Electric Co |
| Horseshoe Lake (9) | Oklahoma | Operational | 60.5 MW | Gas | Oklahoma Gas & Electric Co |
| Ponca City (4) | Kay | Operational | 60.5 MW | Gas | Oklahoma Municipal Power Authority |
| NextEra-Blackwell Wind, LLC (WT) | Kay | Operational | 59.8 MW | Wind | Blackwell Wind, LLC |
| Ponca City (3) | Kay | Operational | 54 MW | Gas | Oklahoma Municipal Power Authority |
| Weleetka (4) | Okfuskee | Operational | 53 MW | Gas | Public Service Co of Oklahoma |
| Weleetka (5) | Okfuskee | Operational | 53 MW | Gas | Public Service Co of Oklahoma |
| Oklahoma Wind Energy Center (GE15) | Woodward | Operational | 51 MW | Wind | FPL Energy Oklahoma Wind LLC |
| Oklahoma Wind Energy Center (GSOO) | Woodward | Operational | 51 MW | Wind | FPL Energy Oklahoma Wind LLC |
| Broken Bow Dam (1) | McCurtain | Operational | 50 MW | Hydro | USCE-Tulsa District |
| Broken Bow Dam (2) | McCurtain | Operational | 50 MW | Hydro | USCE-Tulsa District |
| Tinker (1) | Oklahoma | Active | 48.1 MW | Gas | Oklahoma Gas & Electric Co |
| Tinker (2) | Oklahoma | Active | 48.1 MW | Gas | Oklahoma Gas & Electric Co |
| Anadarko Plant (10) | Caddo | Operational | 45 MW | Gas | Western Farmers Elec Coop, Inc |
| Anadarko Plant (11) | Caddo | Operational | 45 MW | Gas | Western Farmers Elec Coop, Inc |
| Anadarko Plant (9) | Caddo | Operational | 45 MW | Gas | Western Farmers Elec Coop, Inc |
| Mooreland (1) | Woodward | Operational | 45 MW | Gas | Western Farmers Elec Coop, Inc |
| WFEC GenCo LLC (GEN1) | Caddo | Operational | 45 MW | Gas | Western Farmers Elec Coop, Inc |
| WFEC GenCo LLC (GEN2) | Caddo | Operational | 45 MW | Gas | Western Farmers Elec Coop, Inc |
| Georgia-Pacific Muskogee (GEN2) | Muskogee | Operational | 44.5 MW | Gas | Georgia-Pacific Muskogee LLC |
| Georgia-Pacific Muskogee (GEN3) | Muskogee | Operational | 44.5 MW | Gas | Georgia-Pacific Muskogee LLC |
| Frontier (ST01) | Oklahoma | Operational | 44.2 MW | Gas | Oklahoma Gas & Electric Co |
| Salina (1) | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (2) | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (3) | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (4) | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (5) | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (6) | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Tinker (5A) | Oklahoma | Operational | 41 MW | Gas | Oklahoma Gas & Electric Co |
| Tinker (5B) | Oklahoma | Operational | 41 MW | Gas | Oklahoma Gas & Electric Co |
| Weatherford Wind Energy Center (2) | Custer | Operational | 40.5 MW | Wind | FPL Energy Weatherford, LLC |
| Woodward Energy Storage (BESS1) | Woodward | Active | 40 MW | Battery | Woodward Energy Storage, LLC |
| Kaw Hydro (1) | Kay | Operational | 37 MW | Hydro | Oklahoma Municipal Power Authority |
| Keystone Dam (1) | Tulsa | Operational | 35 MW | Hydro | USCE-Tulsa District |
| Keystone Dam (2) | Tulsa | Operational | 35 MW | Hydro | USCE-Tulsa District |
| Markham (1) | Mayes | Operational | 32.1 MW | Hydro | Grand River Dam Authority |
| Markham (2) | Mayes | Operational | 32.1 MW | Hydro | Grand River Dam Authority |
| Markham (3) | Mayes | Operational | 32.1 MW | Hydro | Grand River Dam Authority |
| Markham (4) | Mayes | Operational | 32.1 MW | Hydro | Grand River Dam Authority |
| Eufaula Dam (1) | Haskell | Operational | 30 MW | Hydro | USCE-Tulsa District |
| Eufaula Dam (2) | Haskell | Operational | 30 MW | Hydro | USCE-Tulsa District |
| Eufaula Dam (3) | Haskell | Operational | 30 MW | Hydro | USCE-Tulsa District |
| Robert S Kerr (1) | Sequoyah | Operational | 27.5 MW | Hydro | USCE-Tulsa District |
| Robert S Kerr (2) | Sequoyah | Operational | 27.5 MW | Hydro | USCE-Tulsa District |
| Robert S Kerr (3) | Sequoyah | Operational | 27.5 MW | Hydro | USCE-Tulsa District |
| Robert S Kerr (4) | Sequoyah | Operational | 27.5 MW | Hydro | USCE-Tulsa District |
| Georgia-Pacific Muskogee (GEN1) | Muskogee | Operational | 25 MW | Gas | Georgia-Pacific Muskogee LLC |
| Webbers Falls (1) | Muskogee | Operational | 25 MW | Hydro | USCE-Tulsa District |
| Webbers Falls (2) | Muskogee | Operational | 25 MW | Hydro | USCE-Tulsa District |
| Webbers Falls (3) | Muskogee | Operational | 25 MW | Hydro | USCE-Tulsa District |
| Pensacola (1) | Mayes | Operational | 21.6 MW | Hydro | Grand River Dam Authority |
| Pensacola (2) | Mayes | Operational | 21.6 MW | Hydro | Grand River Dam Authority |
| Pensacola (3) | Mayes | Operational | 21.6 MW | Hydro | Grand River Dam Authority |
| Pensacola (4) | Mayes | Operational | 21.6 MW | Hydro | Grand River Dam Authority |
| Pensacola (5) | Mayes | Operational | 21.6 MW | Hydro | Grand River Dam Authority |
| Pensacola (6) | Mayes | Operational | 21.6 MW | Hydro | Grand River Dam Authority |
| Ponca City (1) | Kay | Operational | 19.8 MW | Gas | Oklahoma Municipal Power Authority |
| Tenkiller Ferry (1) | Sequoyah | Operational | 19.5 MW | Hydro | USCE-Tulsa District |
| Tenkiller Ferry (2) | Sequoyah | Operational | 19.5 MW | Hydro | USCE-Tulsa District |
| Buffalo Bear LLC (1) | Harper | Operational | 18.9 MW | Wind | Buffalo Bear, LLC |
| Stillwater Energy Center (1) | Payne | Operational | 18.8 MW | Gas | Stillwater Utilities Authority |
| Stillwater Energy Center (2) | Payne | Operational | 18.8 MW | Gas | Stillwater Utilities Authority |
| Stillwater Energy Center (3) | Payne | Operational | 18.8 MW | Gas | Stillwater Utilities Authority |
| Reworld Tulsa (GEN1) | Tulsa | Operational | 16.8 MW | Waste | Reworld Tulsa LLC |
| Fort Gibson (1) | Cherokee | Operational | 11.2 MW | Hydro | USCE-Tulsa District |
| Fort Gibson (2) | Cherokee | Operational | 11.2 MW | Hydro | USCE-Tulsa District |
| Fort Gibson (3) | Cherokee | Operational | 11.2 MW | Hydro | USCE-Tulsa District |
| Fort Gibson (4) | Cherokee | Operational | 11.2 MW | Hydro | USCE-Tulsa District |
| Covington Solar Farm (CVS1) | Garfield | Operational | 10 MW | Solar | Oklahoma Gas & Electric Co |
| Rush Springs Energy Storage (BA) (RUSHE) | Grady | Operational | 10 MW | Battery | Rush Springs Energy Storage |
| Tulsa (IC1) | Tulsa | Operational | 8.2 MW | Oil | Public Service Co of Oklahoma |
| University of Oklahoma (GEN1) | Cleveland | Operational | 7.5 MW | Gas | University of Oklahoma |
| Cushing (11) | Payne | Operational | 6.3 MW | Gas | City of Cushing - (OK) |
| Cyril (1) | Caddo | Operational | 5 MW | Solar | Western Farmers Elec Coop, Inc |
| Choctaw Nation Solar Farm (CVS1) | Bryan | Operational | 5 MW | Solar | Oklahoma Gas & Electric Co |
| Chickasaw Nation Solar Farm (CVS1) | Murray | Operational | 5 MW | Solar | Oklahoma Gas & Electric Co |
| Butterfield Solar Farm (BSS1) | Bryan | Operational | 5 MW | Solar | Oklahoma Gas & Electric Co |
| People's (PEOPL) | Pontotoc | Operational | 5 MW | Solar | Today's Power, Inc. |
| Northeastern (IC1) | Rogers | Operational | 4.5 MW | Oil | Public Service Co of Oklahoma |
| Cushing (10) | Payne | Operational | 4.5 MW | Gas | City of Cushing - (OK) |
| University of Oklahoma (GEN4) | Cleveland | Operational | 4.3 MW | Gas | University of Oklahoma |
| Weleetka (IC1) | Okfuskee | Operational | 4 MW | Oil | Public Service Co of Oklahoma |
| Tuttle (1) | Grady | Operational | 4 MW | Solar | Western Farmers Elec Coop, Inc |
| Comanche (OK) (IC1) | Comanche | Operational | 4 MW | Oil | Public Service Co of Oklahoma |
| Kingfisher (5) | Kingfisher | Operational | 3.1 MW | Gas | City of Kingfisher - (OK) |
| Pawhuska (3) | Osage | Operational | 3.1 MW | Oil | City of Pawhuska - (OK) |
| Cushing (9) | Payne | Operational | 3 MW | Gas | City of Cushing - (OK) |
| Hinton (1) | Caddo | Operational | 3 MW | Solar | Western Farmers Elec Coop, Inc |
| Marietta (1) | Love | Operational | 3 MW | Solar | Western Farmers Elec Coop, Inc |
| Pine Ridge (1) | Caddo | Operational | 3 MW | Solar | Western Farmers Elec Coop, Inc |
| Kingfisher (3) | Kingfisher | Operational | 2.8 MW | Gas | City of Kingfisher - (OK) |
| Riverside (OK) (IC1) | Tulsa | Operational | 2.7 MW | Oil | Public Service Co of Oklahoma |
| Mustang (SLR1) | Canadian | Operational | 2.5 MW | Solar | Oklahoma Gas & Electric Co |
| Cushing (1) | Payne | Operational | 2.5 MW | Gas | City of Cushing - (OK) |
| Cushing (7) | Payne | Operational | 2.5 MW | Gas | City of Cushing - (OK) |
| Cushing (8) | Payne | Operational | 2.5 MW | Gas | City of Cushing - (OK) |
| Pawhuska (5) | Osage | Operational | 2.5 MW | Oil | City of Pawhuska - (OK) |
| University of Oklahoma (GEN2) | Cleveland | Operational | 2.5 MW | Gas | University of Oklahoma |
| University of Oklahoma (GEN3) | Cleveland | Operational | 2.5 MW | Gas | University of Oklahoma |
| Cana Gas Processing Plant (3005) | Canadian | Operational | 2.5 MW | Oil | EnLink Midstream Services, LLC |
| Cana Gas Processing Plant (3006) | Canadian | Operational | 2.5 MW | Oil | EnLink Midstream Services, LLC |
| Cana Gas Processing Plant (6214) | Canadian | Operational | 2.5 MW | Oil | EnLink Midstream Services, LLC |
| Buzzard Flop (169) | Hughes | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Buzzard Flop (170) | Hughes | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Buzzard Flop (171) | Hughes | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (142) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (143) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (144) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (145) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (149) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (150) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (155) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (156) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (157) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma East (158) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (151) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (152) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (153) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (154) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (161) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (164) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (165) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (166) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (167) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Centrahoma West (168) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Little Dixie (146) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Little Dixie (147) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Little Dixie (148) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Little Dixie (159) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Little Dixie (160) | Coal | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Stuart (OK) (162) | Pittsburg | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Stuart (OK) (163) | Pittsburg | Operational | 2.5 MW | Gas | Peoples Electric Cooperative |
| Mangum (6) | Greer | Operational | 2.1 MW | Gas | City of Mangum - (OK) |
| Southwestern (IC1) | Caddo | Operational | 2 MW | Oil | Public Service Co of Oklahoma |
| Mangum (5) | Greer | Operational | 2 MW | Gas | City of Mangum - (OK) |
| Pawhuska (2) | Osage | Operational | 2 MW | Oil | City of Pawhuska - (OK) |
| Laverne Diesel Generating Plant (1) | Harper | Operational | 2 MW | Oil | Town of Laverne - (OK) |
| Laverne Diesel Generating Plant (2) | Harper | Operational | 2 MW | Oil | Town of Laverne - (OK) |
| Norman Solar (NORMN) | Cleveland | Operational | 2 MW | Solar | DG Central 1, LLC |
| University of Oklahoma (GEN5) | Cleveland | Operational | 1.8 MW | Oil | University of Oklahoma |
| Tulsa LFG LLC (GEN3M) | Osage | Operational | 1.6 MW | Landfill, Gas | Tulsa LFG LLC |
| Tulsa LFG LLC (GEN4M) | Osage | Operational | 1.6 MW | Landfill, Gas | Tulsa LFG LLC |
| Mangum (4) | Greer | Operational | 1.5 MW | Gas | City of Mangum - (OK) |
| Pawhuska (1) | Osage | Operational | 1.4 MW | Oil | City of Pawhuska - (OK) |
| Kingfisher (4) | Kingfisher | Operational | 1.3 MW | Gas | City of Kingfisher - (OK) |
| Waynoka Gas Processing Plant (G1) | Woods | Operational | 1.3 MW | Gas | Targa Pipeline Mid-Continent West OK LLC |
| Waynoka Gas Processing Plant (G2) | Woods | Operational | 1.3 MW | Gas | Targa Pipeline Mid-Continent West OK LLC |
| Waynoka Gas Processing Plant (G3) | Woods | Operational | 1.3 MW | Gas | Targa Pipeline Mid-Continent West OK LLC |
| Kingfisher (IC1) | Kingfisher | Operational | 1.1 MW | Gas | City of Kingfisher - (OK) |
| Mangum (1) | Greer | Operational | 1.1 MW | Gas | City of Mangum - (OK) |
| Cushing (2) | Payne | Operational | 1 MW | Gas | City of Cushing - (OK) |
| Tri County - TenK (TRICO) | Texas | Operational | 1 MW | Solar | Today's Power, Inc. |
| Cushing (6) | Payne | Operational | 0.8 MW | Gas | City of Cushing - (OK) |
| Kingfisher (IC2) | Kingfisher | Operational | 0.8 MW | Gas | City of Kingfisher - (OK) |
| Cushing (3) | Payne | Operational | 0.5 MW | Gas | City of Cushing - (OK) |
| Cushing (4) | Payne | Operational | 0.5 MW | Gas | City of Cushing - (OK) |
| Cushing (5) | Payne | Operational | 0.5 MW | Gas | City of Cushing - (OK) |
| Pensacola (A) | Mayes | Operational | 0.5 MW | Hydro | Grand River Dam Authority |