Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Oxbow (CA) | Placer County Water Agency | Foresthill, CA | California Independent System Operator (CISO) | 13.8 GWh | Sep 1966 | Dec 2023 | Water |
| Oxbow Creek | Oxbow Creek Energy LLC | Factoryville, PA | PJM Interconnection, LLC (PJM) | 62.4 GWh | Nov 2019 | Dec 2023 | Natural Gas |
| Oxbow (OR) | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 900.1 GWh | Jun 1961 | Dec 2023 | Water |
| Oxbow Solar 1 | Lightsource Renewable Energy Asset Management, LLC | New Roads, LA | Midcontinent Independent System Operator, Inc. (MISO) | 421.4 GWh | - | Mar 2025 | Solar |
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 3.9 GWh | Jun 2014 | Dec 2023 | Solar |
| Oxford Dam | Duke Energy Carolinas, LLC | Conover, NC | Duke Energy Carolinas (DUK) | 87.3 GWh | Mar 1928 | Dec 2023 | Water |
| Oxford (KS) | City of Oxford - (KS) | Oxford, KS | Southwest Power Pool (SWPP) | 6.0 MWh | Jun 1999 | Dec 2022 | Distillate Fuel Oil |
| Oxford (NE) | Village of Oxford - (NE) | Oxford, NE | Southwest Power Pool (SWPP) | 27.0 MWh | Jul 1953 | Dec 2023 | Natural Gas : 91.0% Distillate Fuel Oil : 9.0% |
| Oxford PV - BD Solar Oxford LLC | BD Solar Oxford LLC | Oxford, ME | ISO New England (ISNE) | 10.9 GWh | May 2021 | Dec 2023 | Solar |
| Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | ISO New England (ISNE) | 6.5 GWh | Jan 2020 | Dec 2023 | Solar |
| Oxnard | Procter&Gamble Paper Products Co-Oxnard | Oxnard, CA | California Independent System Operator (CISO) | 483.8 GWh | Jun 1982 | Mar 2025 | Natural Gas |
| Oxnard Paper Mill | New-Indy, Oxnard LLC | Oxnard, CA | California Independent System Operator (CISO) | 192.3 GWh | Feb 1986 | Mar 2025 | Natural Gas |
| Oxnard Wastewater Treatment Plant | Oxnard City of | Oxnard, CA | California Independent System Operator (CISO) | 4.7 GWh | Jul 1981 | Mar 2025 | Other Biomass Gas : 93.4% Natural Gas : 6.6% |
| Oxon Run CREF | Oxon Run Community Renewable Energy Facility | Washington, DC | PJM Interconnection, LLC (PJM) | 3.2 GWh | Nov 2021 | Dec 2023 | Solar |
| Oxy Renewable Energy - Goldsmith | Oxy Renewable Energy LLC | Goldsmith, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 42.7 GWh | Apr 2020 | Dec 2023 | Solar |
| OYA Church Road | OYA Church Road A LLC | Baldwinsville, NY | New York Independent System Operator (NYIS) | 4.2 GWh | Nov 2022 | Dec 2023 | Solar |
| OYA Main Street | OYA Main Street LLC | York, NY | New York Independent System Operator (NYIS) | 8.3 GWh | Nov 2022 | Dec 2023 | Solar |
| OYA Pulaski | OYA Pulaski LLC | Pulaski, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Oct 2022 | Dec 2023 | Solar |
| OYA Robinson Road | OYA Robinson Road, LLC | Orleans, NY | New York Independent System Operator (NYIS) | 9.2 GWh | May 2022 | Dec 2023 | Solar |
| OYA State Route 122 | OYA State Route 122, LLC | Constable, NY | New York Independent System Operator (NYIS) | 7.8 GWh | Nov 2021 | Dec 2023 | Solar |
| OYA Wayside Drive | OYA Wayside Drive LLC | Watertown, NY | New York Independent System Operator (NYIS) | 9.5 GWh | Sep 2022 | Dec 2023 | Solar |
| Oyster Creek Unit VIII | Dow Chemical Company-Oyster Creek VIII | Freeport, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.2 TWh | Sep 1994 | Mar 2025 | Natural Gas |
| Ozark | USCE-Little Rock District | Ozark, AR | Southwestern Power Administration (SPA) | 253.1 GWh | Oct 1972 | Dec 2023 | Water |
| Ozark Beach | Empire District Electric Co | Forsyth, MO | Southwest Power Pool (SWPP) | 55.7 GWh | May 1931 | Dec 2023 | Water |
| Ozarks Natural Energy Community Solar | Ozarks Electric Coop Corp - (AR) | Springdale, AR | Southwest Power Pool (SWPP) | 1.3 GWh | Mar 2016 | Dec 2023 | Solar |
Summary of Power Plants By State
Figures are based on March 2025 generation numbers.| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,399.45 GWh |
| Alaska | # 48 | 137 | 460.30 GWh |
| Arizona | # 16 | 167 | 7,756.35 GWh |
| Arkansas | # 29 | 81 | 4,503.48 GWh |
| California | # 5 | 1,596 | 15,306.94 GWh |
| Colorado | # 30 | 265 | 4,337.74 GWh |
| Connecticut | # 31 | 152 | 3,831.37 GWh |
| Delaware | # 50 | 31 | 183.34 GWh |
| District of Columbia | # 51 | 12 | 15.27 GWh |
| Florida | # 3 | 304 | 18,686.61 GWh |
| Georgia | # 9 | 241 | 9,979.52 GWh |
| Hawaii | # 46 | 67 | 749.10 GWh |
| Idaho | # 43 | 146 | 1,488.21 GWh |
| Illinois | # 4 | 338 | 15,592.21 GWh |
| Indiana | # 12 | 203 | 8,849.97 GWh |
| Iowa | # 20 | 281 | 6,323.45 GWh |
| Kansas | # 25 | 157 | 5,176.23 GWh |
| Kentucky | # 24 | 57 | 5,180.56 GWh |
| Louisiana | # 18 | 81 | 6,708.43 GWh |
| Maine | # 45 | 159 | 1,313.29 GWh |
| Maryland | # 39 | 181 | 2,427.73 GWh |
| Massachusetts | # 42 | 599 | 1,608.56 GWh |
| Michigan | # 10 | 268 | 9,898.87 GWh |
| Minnesota | # 26 | 740 | 5,082.27 GWh |
| Mississippi | # 19 | 55 | 6,374.07 GWh |
| Missouri | # 21 | 118 | 5,776.95 GWh |
| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 69 | 2,309.70 GWh |
| Nebraska | # 37 | 119 | 3,008.88 GWh |
| Nevada | # 34 | 109 | 3,381.98 GWh |
| New Hampshire | # 44 | 56 | 1,374.49 GWh |
| New Jersey | # 28 | 375 | 4,514.07 GWh |
| New Mexico | # 35 | 140 | 3,378.20 GWh |
| New York | # 8 | 830 | 10,278.94 GWh |
| North Carolina | # 11 | 880 | 9,080.20 GWh |
| North Dakota | # 33 | 57 | 3,690.67 GWh |
| Ohio | # 6 | 191 | 11,252.37 GWh |
| Oklahoma | # 17 | 131 | 6,972.70 GWh |
| Oregon | # 22 | 260 | 5,543.74 GWh |
| Pennsylvania | # 2 | 240 | 19,658.43 GWh |
| Rhode Island | # 47 | 95 | 622.24 GWh |
| South Carolina | # 14 | 198 | 8,606.12 GWh |
| South Dakota | # 41 | 52 | 1,945.10 GWh |
| Tennessee | # 23 | 84 | 5,241.09 GWh |
| Texas | # 1 | 821 | 43,194.33 GWh |
| Utah | # 36 | 119 | 3,056.84 GWh |
| Vermont | # 49 | 112 | 230.44 GWh |
| Virginia | # 15 | 215 | 8,465.83 GWh |
| Washington | # 13 | 137 | 8,662.62 GWh |
| West Virginia | # 38 | 36 | 2,977.95 GWh |
| Wisconsin | # 27 | 222 | 4,571.79 GWh |
| Wyoming | # 32 | 73 | 3,817.24 GWh |