Directory of Power Plants in Oklahoma
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Marietta | Western Farmers Elec Coop, Inc | Marietta, OK | Southwest Power Pool (SWPP) | 4.6 GWh | Mar 2017 | Aug 2026 | Solar |
| Mayes County Solar | Leeward Asset Management, LLC | Pryor, OK | Southwest Power Pool (SWPP) | 6.6 GWh | - | Aug 2026 | Solar |
| Mooreland | Western Farmers Elec Coop, Inc | Mooreland, OK | Southwest Power Pool (SWPP) | 160.2 GWh | Feb 1964 | Dec 2025 | Natural Gas |
| Markham | Grand River Dam Authority | Locust Grove, OK | Southwest Power Pool (SWPP) | 288.1 GWh | Apr 1964 | Dec 2025 | Water |
| Minco Wind II, LLC | FPLE Wind, LLC | Minco, OK | Southwest Power Pool (SWPP) | 323.1 GWh | Oct 2011 | Dec 2025 | Wind |
| Minco Wind I, LLC | FPLE Wind, LLC | Minco, OK | Southwest Power Pool (SWPP) | 325.5 GWh | Nov 2010 | Dec 2025 | Wind |
| Minco Wind III, LLC | FPLE Wind, LLC | Minco, OK | Southwest Power Pool (SWPP) | 449.3 GWh | Nov 2012 | Dec 2025 | Wind |
| Mustang | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 523.8 GWh | Apr 1950 | Jul 2026 | Natural Gas : 99.2% Solar : 0.8% |
| Minco Wind IV, LLC | Minco Wind IV, LLC | Hinton, OK | Southwest Power Pool (SWPP) | 587.9 GWh | Nov 2018 | Aug 2026 | Wind |
| Mammoth Plains | Mammoth Plains Wind Project | Oakwood, OK | Southwest Power Pool (SWPP) | 623.0 GWh | Nov 2014 | Dec 2025 | Wind |
| Maverick Wind Project, LLC | Public Service Co of Oklahoma | Lahoma, OK | Southwest Power Pool (SWPP) | 971.3 GWh | Aug 2021 | Aug 2026 | Wind |
| McClain Energy Facility | Oklahoma Gas & Electric Co | Newcastle, OK | Southwest Power Pool (SWPP) | 1.8 TWh | May 2001 | Aug 2026 | Natural Gas |
| Muskogee | Oklahoma Gas & Electric Co | Fort Gibson, OK | Southwest Power Pool (SWPP) | 3.0 TWh | Nov 1977 | Aug 2026 | Natural Gas : 59.8% Subbituminous Coal : 40.2% |
Browse Power Plants By Oklahoma Counties
Figures are based on August 2026 generation numbers.| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Cleveland County, OK | # 50 | 2 | 3.6 GWh |
| Love County, OK | # 49 | 1 | 4.6 GWh |
| Hughes County, OK | # 48 | 2 | 12.6 GWh |
| Okfuskee County, OK | # 47 | 1 | 12.8 GWh |
| Bryan County, OK | # 46 | 2 | 19.9 GWh |
| Payne County, OK | # 45 | 6 | 107.8 GWh |
| Coal County, OK | # 44 | 3 | 186.4 GWh |
| Cherokee County, OK | # 43 | 1 | 217.3 GWh |
| Harper County, OK | # 42 | 4 | 261.1 GWh |
| Haskell County, OK | # 41 | 1 | 294.0 GWh |
| Texas County, OK | # 40 | 6 | 388.6 GWh |
| Pontotoc County, OK | # 39 | 2 | 388.9 GWh |
| Pushmataha County, OK | # 38 | 1 | 454.1 GWh |
| Sequoyah County, OK | # 37 | 2 | 460.6 GWh |
| Osage County, OK | # 36 | 4 | 495.0 GWh |
| Le Flore County, OK | # 35 | 2 | 606.9 GWh |
| McCurtain County, OK | # 34 | 3 | 621.9 GWh |
| Woods County, OK | # 33 | 2 | 686.1 GWh |
| Johnston County, OK | # 32 | 1 | 882.7 GWh |
| Comanche County, OK | # 31 | 4 | 897.0 GWh |
| Roger Mills County, OK | # 30 | 3 | 903.8 GWh |
| Kiowa County, OK | # 29 | 3 | 924.4 GWh |
| Stephens County, OK | # 28 | 3 | 949.0 GWh |
| Major County, OK | # 27 | 3 | 971.3 GWh |
| Grant County, OK | # 26 | 2 | 1.0 TWh |
| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Grady County, OK | # 25 | 8 | 1.4 TWh |
| Choctaw County, OK | # 24 | 2 | 1.5 TWh |
| Murray County, OK | # 23 | 6 | 1.6 TWh |
| Washita County, OK | # 22 | 2 | 1.6 TWh |
| Canadian County, OK | # 21 | 4 | 1.6 TWh |
| Kingfisher County, OK | # 20 | 3 | 1.8 TWh |
| McClain County, OK | # 19 | 1 | 1.8 TWh |
| Dewey County, OK | # 18 | 9 | 1.9 TWh |
| Ellis County, OK | # 17 | 2 | 2.1 TWh |
| Woodward County, OK | # 16 | 8 | 2.1 TWh |
| Seminole County, OK | # 15 | 1 | 2.4 TWh |
| Logan County, OK | # 14 | 3 | 2.4 TWh |
| Kay County, OK | # 13 | 13 | 2.7 TWh |
| Beaver County, OK | # 12 | 4 | 2.7 TWh |
| Muskogee County, OK | # 11 | 4 | 3.5 TWh |
| Rogers County, OK | # 10 | 1 | 3.7 TWh |
| Custer County, OK | # 9 | 2 | 4.2 TWh |
| Noble County, OK | # 8 | 3 | 4.3 TWh |
| Wagoner County, OK | # 7 | 1 | 4.3 TWh |
| Caddo County, OK | # 6 | 13 | 4.4 TWh |
| Garfield County, OK | # 5 | 8 | 4.4 TWh |
| Oklahoma County, OK | # 4 | 5 | 4.6 TWh |
| Tulsa County, OK | # 3 | 5 | 5.6 TWh |
| Pittsburg County, OK | # 2 | 2 | 5.6 TWh |
| Mayes County, OK | # 1 | 14 | 10.0 TWh |