Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Oliver Wind IV | Oliver Wind IV, LLC | Hannover, ND | Southwest Power Pool (SWPP) | 322.7 GWh | Nov 2024 | Apr 2025 | Wind |
| OR - Green Key - Gun Club | Gun Club Solar, LLC | Dundee, OR | Portland General Electric Company (PGE) | 24.0 MWh | Nov 2024 | Dec 2024 | Solar |
| OR - Green Key - Marquam | Marquam Creek Solar, LLC | Molalla, OR | Portland General Electric Company (PGE) | 37.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Osage City Solar | Evergy Kansas Central, Inc | Osage City, KS | Southwest Power Pool (SWPP) | 164.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Osawatomie Solar | Evergy Kansas Central, Inc | Osawatomie, KS | Southwest Power Pool (SWPP) | 473.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Overland | Greenbacker Renewable Energy Corporation | Hudson, CO | Public Service Company of Colorado (PSCO) | 698.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Old 300 Solar Center, LLC | Old 300 Solar Center, LLC | Needville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 877.4 GWh | Sep 2024 | Apr 2025 | Solar |
| OR - Solops - SPI 18 - Clayfield | Clayfield Solar, LLC | Estacada, OR | Portland General Electric Company (PGE) | 202.0 MWh | Sep 2024 | Dec 2024 | Solar |
| Orion II Solar Project | Ben Milam Solar 2 LLC | Rosebud, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 277.5 GWh | Aug 2024 | Apr 2025 | Solar |
| Orion I Solar Project | Ben Milam Solar 1 LLC | Burlington, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 323.5 GWh | Jul 2024 | Apr 2025 | Solar |
| Orion III Solar Project | Ben Milam Solar 3 LLC | Buckholts, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 396.7 GWh | Jul 2024 | Apr 2025 | Solar |
| Open Sky Dairy | Renewable Solar, Inc | Riverdale, CA | California Independent System Operator (CISO) | 2.1 GWh | Jun 2024 | Dec 2024 | Solar |
| Open Sky Ranch Inc | Bravo REC Management LLC | Riverdale, CA | California Independent System Operator (CISO) | 1.9 GWh | Jun 2024 | Dec 2024 | Solar |
| Oxbow Solar 1 | Lightsource Renewable Energy Asset Management, LLC | New Roads, LA | Midcontinent Independent System Operator, Inc. (MISO) | 475.5 GWh | Jun 2024 | Apr 2025 | Solar |
| OTHERTraditionBuffalo | Texas Microgrid, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 202.0 MWh | May 2024 | Dec 2024 | Natural Gas |
| Oaks Landfill - ANEM | Greenbacker Renewable Energy Corporation | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Mar 2024 | Dec 2024 | Solar |
| Oaks Landfill CS 1 | Greenbacker Renewable Energy Corporation | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Mar 2024 | Dec 2024 | Solar |
| Oaks Landfill CS 2 | Greenbacker Renewable Energy Corporation | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Mar 2024 | Dec 2024 | Solar |
| Ogema | Greenbacker Renewable Energy Corporation | Ogema, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Feb 2024 | Dec 2024 | Solar |
| Orchard | Florida Power & Light Co | Ft. Pierce, FL | Florida Power & Light Co. (FPL) | 172.2 GWh | Dec 2023 | Apr 2025 | Solar |
| Oak Ridge Solar | AES Clean Energy | Oak Ridge, LA | Midcontinent Independent System Operator, Inc. (MISO) | 451.0 GWh | Nov 2023 | Apr 2025 | Solar |
| Oak Solar | Oak Solar LLC | Gaston, NC | PJM Interconnection, LLC (PJM) | 229.9 GWh | Nov 2023 | Apr 2025 | Solar |
| Onion River | Wisconsin Power & Light Co | Sheboygan Cedar Grove, WI | Midcontinent Independent System Operator, Inc. (MISO) | 214.1 GWh | Nov 2023 | Apr 2025 | Solar |
| Old Bridge Global Landfill CSG | NJR Clean Energy Ventures Corporation | Old Bridge, NJ | PJM Interconnection, LLC (PJM) | 3.6 GWh | Sep 2023 | Dec 2024 | Solar |
| Otter Creek Solar | Dominion Energy Inc. | Chase City, VA | PJM Interconnection, LLC (PJM) | 108.5 GWh | Sep 2023 | Apr 2025 | Solar |
| Oberon II Solar Project | IP Oberon II, LLC | Desert Center, CA | California Independent System Operator (CISO) | 611.2 GWh | Aug 2023 | Apr 2025 | Solar |
| Oberon Solar Project | IP Oberon LLC | Desert Center, CA | California Independent System Operator (CISO) | 563.9 GWh | Aug 2023 | Apr 2025 | Solar |
| Ocotillo Wells | Conductive Power | Borrego Springs, CA | California Independent System Operator (CISO) | 117.2 GWh | Aug 2023 | Apr 2025 | Solar |
| Oswego | NY USLE Oswego SR104 LLC | Oswego, NY | New York Independent System Operator (NYIS) | 457.0 MWh | Aug 2023 | Dec 2023 | Solar |
| Oak Trail Solar, LLC | Leeward Asset Management, LLC | Moyock, NC | PJM Interconnection, LLC (PJM) | 241.1 GWh | Jun 2023 | Apr 2025 | Solar |
| OTHERBenEKDallas | Generate ER-NG, LLC | Dallas, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 198.0 MWh | Apr 2023 | Dec 2024 | Natural Gas |
| OTHERTraditionClearfork | Texas Microgrid, LLC | Fort Worth, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 205.0 MWh | Mar 2023 | Dec 2024 | Natural Gas |
| OETN1 | OE_TN1 | Obion, TN | Tennessee Valley Authority (TVA) | 168.0 GWh | Feb 2023 | Apr 2025 | Solar |
| Overlook | Westbound Solar 3, LLC | Westminster, MA | ISO New England (ISNE) | 6.9 GWh | Feb 2023 | Dec 2024 | Solar |
| Ontario Sun | Azimuth 180 Solar Electric, LLC | Sandy Creek, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Jan 2023 | Dec 2024 | Solar |
| Old Middleboro Road Solar | Agilitas Energy, Inc. | Rochester, MA | ISO New England (ISNE) | 10.9 GWh | Dec 2022 | Dec 2024 | Solar |
| Ogburn Solar, LLC | Ogburn Solar, LLC | Jefferson, SC | Duke Energy Progress East (CPLE) | 4.2 GWh | Nov 2022 | Dec 2024 | Solar |
| Outer Cape Community Battery | Eversource | Provincetown, MA | ISO New England (ISNE) | 42.0 MWh | Nov 2022 | Apr 2025 | Electricity used for energy storage |
| OYA Church Road | OYA Church Road A LLC | Baldwinsville, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Nov 2022 | Dec 2024 | Solar |
| OYA Main Street | OYA Main Street LLC | York, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Nov 2022 | Dec 2024 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.3 GWh | Oct 2022 | Dec 2024 | Solar |
| OYA Pulaski | OYA Pulaski LLC | Pulaski, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Oct 2022 | Dec 2023 | Solar |
| Orioles Community Solar | Azimuth 180 Solar Electric, LLC | Hannacroix, NY | New York Independent System Operator (NYIS) | 7.6 GWh | Sep 2022 | Dec 2024 | Solar |
| OYA Wayside Drive | OYA Wayside Drive LLC | Watertown, NY | New York Independent System Operator (NYIS) | 9.5 GWh | Sep 2022 | Dec 2023 | Solar |
| Oakland | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 9.0 GWh | Aug 2022 | Dec 2024 | Solar |
| Old Frontier Solar III | Old Frontier Solar III PV, LLC | South Deerfield, MA | ISO New England (ISNE) | 4.1 GWh | Aug 2022 | Dec 2024 | Solar |
| OYA Robinson Road | OYA Robinson Road, LLC | Orleans, NY | New York Independent System Operator (NYIS) | 9.2 GWh | May 2022 | Dec 2023 | Solar |
| Orange Coast College PH2 Solar Project | Solar Star Coastal Pirate, LLC | Costa Mesa, CA | California Independent System Operator (CISO) | 4.6 GWh | Apr 2022 | Dec 2023 | Solar : 88.9% Electricity used for energy storage : 11.1% |
| OE IL Solar 3 | OE IL Solar 3, LLC | Oregon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Feb 2022 | Dec 2024 | Solar |
| Overhill Solar | Strata Manager, LLC | Clinton, NC | Duke Energy Carolinas (DUK) | 10.9 GWh | Feb 2022 | Dec 2024 | Solar |
| Oak Leaf Solar XVIII LLC | Greenbacker Renewable Energy Corporation | Denver, CO | Southwest Power Pool (SWPP) | 11.5 GWh | Nov 2021 | Dec 2024 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Nov 2021 | Dec 2024 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2021 | Dec 2024 | Solar |
| Overman Solar | Overman Solar, LLC | Goldsboro, NC | Duke Energy Progress East (CPLE) | 10.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Oxon Run CREF | Oxon Run Community Renewable Energy Facility | Washington, DC | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2021 | Dec 2024 | 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 |
| Olmstead II CSG | Olmstead Solar II, LLC | Lena, IL | PJM Interconnection, LLC (PJM) | 4.4 GWh | Aug 2021 | Dec 2024 | Solar |
| Old Cedar Solar Energy Storage | North Carolina El Member Corp | Asheboro, NC | Duke Energy Progress East (CPLE) | 1.8 GWh | Jul 2021 | Dec 2024 | Solar |
| Ozark Solar Park | Today's Power, Inc. | Lincoln, AR | Southwest Power Pool (SWPP) | 4.5 GWh | Jun 2021 | Dec 2024 | Solar |
| Oak Leaf - CSG Portfolio (OL 36) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 3.2 GWh | May 2021 | Dec 2024 | Solar |
| Oak Leaf - CSG Portfolio (OL 38) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 3.4 GWh | May 2021 | Dec 2024 | Solar |
| Oak Leaf - CSG Portfolio (OL 39) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 3.5 GWh | May 2021 | Dec 2024 | Solar |
| Oakwood Solar | Oakwood Solar, LLC | Mebane, NC | Duke Energy Carolinas (DUK) | 9.7 GWh | May 2021 | Dec 2024 | Solar |
| Olney Solar II CSG | Olney Solar II, LLC | Olney, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | May 2021 | Dec 2024 | Solar |
| Oxford PV - BD Solar Oxford LLC | BD Solar Oxford LLC | Oxford, ME | ISO New England (ISNE) | 14.7 GWh | May 2021 | Dec 2024 | Solar |
| O'Brien Solar Fields | Madison Gas & Electric Co | Fitchburg, WI | Midcontinent Independent System Operator, Inc. (MISO) | 38.5 GWh | Apr 2021 | Dec 2024 | Solar |
| Orange Blossom Solar Center | Florida Power & Light Co | Vero Beach, FL | Florida Power & Light Co. (FPL) | 147.3 GWh | Apr 2021 | Apr 2025 | Solar |
| Oskaloosa | Today's Power, Inc. | Oskaloosa, KS | Southwest Power Pool (SWPP) | 2.4 GWh | Apr 2021 | Dec 2024 | Solar |
| Oso Grande Wind Farm | Tucson Electric Power Co | Maljamar, NM | Tucson Electric Power (TEPC) | 683.8 GWh | Apr 2021 | Apr 2025 | Wind |
| Oasis Alta | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 57.0 GWh | Mar 2021 | Dec 2024 | Wind |
| OTHERNFBWA | Texas Microgrid, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 321.0 MWh | Jan 2021 | Dec 2024 | Natural Gas |
| Oak Leaf - CSG Portfolio (OL 37) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 3.2 GWh | Nov 2020 | Dec 2024 | Solar |
| Oak Leaf - CSG Portfolio (OL 44) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 3.6 GWh | Nov 2020 | Dec 2024 | Solar |
| Orchard Windfarm 1, LLC | Orchard Windfarm, LLC | Lexington, OR | PacifiCorp West (PACW) | 29.9 GWh | Nov 2020 | Dec 2024 | Wind |
| Orchard Windfarm 2, LLC | Orchard Windfarm, LLC | Lexington, OR | Bonneville Power Administration (BPAT) | 29.8 GWh | Nov 2020 | Dec 2024 | Wind |
| Orchard Windfarm 3, LLC | Orchard Windfarm, LLC | Lexington, OR | Bonneville Power Administration (BPAT) | 27.9 GWh | Nov 2020 | Dec 2024 | Wind |
| Orchard Windfarm 4, LLC | Orchard Windfarm, LLC | Lexington, OR | PacifiCorp West (PACW) | 29.7 GWh | Nov 2020 | Dec 2024 | Wind |
| Owlville Creek Solar 2, LLC | Owlville Creek Solar 2, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 7.2 GWh | Nov 2020 | Dec 2023 | Solar |
| Owlville Creek Solar, LLC | Owlville Creek Solar, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Nov 2020 | Dec 2024 | Solar |
| OR Solar 2, LLC | OR Solar 2, LLC | Eagle Point, OR | PacifiCorp West (PACW) | 12.7 GWh | Sep 2020 | Dec 2024 | Solar |
| Orbit Bloom Fuel Cell | DG Fuel Cell, LLC | Medford, NY | New York Independent System Operator (NYIS) | 45.6 GWh | Jul 2020 | Dec 2024 | Natural Gas |
| Oberon IA | Oberon Solar IA | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 279.4 GWh | Jun 2020 | Apr 2025 | Solar |
| Oberon IB | Oberon Solar IB | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 57.1 GWh | Jun 2020 | Apr 2025 | Solar |
| Ontario Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 6.8 GWh | Apr 2020 | Dec 2024 | Solar |
| Oxy Renewable Energy - Goldsmith | Oxy Renewable Energy LLC | Goldsmith, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 40.5 GWh | Apr 2020 | Dec 2024 | Solar |
| Okeechobee Solar | Florida Power & Light Co | Vero Beach, FL | Florida Power & Light Co. (FPL) | 152.7 GWh | Mar 2020 | Apr 2025 | Solar |
| OTHERCitizensHospital | Texas Microgrid, LLC | Victoria, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 625.0 MWh | Mar 2020 | Dec 2024 | Natural Gas |
| Omtanke Solar | DG South Carolina Solar, LLC | Ridgeville, SC | South Carolina Public Service Authority (SC) | 9.9 GWh | Feb 2020 | Dec 2024 | Solar |
| Otter Creek Wind Farm LLC | Avangrid Power LLC | Ransom, IL | PJM Interconnection, LLC (PJM) | 461.2 GWh | Feb 2020 | Apr 2025 | Wind |
| Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | ISO New England (ISNE) | 6.3 GWh | Jan 2020 | Dec 2024 | Solar |
| Oak Leaf Solar XXXIII LLC (Lantz) | Greenbacker Renewable Energy Corporation | Salida, CO | Public Service Company of Colorado (PSCO) | 3.6 GWh | Dec 2019 | Dec 2024 | Solar |
| Oak Street Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 5.6 GWh | Nov 2019 | Dec 2024 | Solar |
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 86.8 GWh | Nov 2019 | Apr 2025 | Solar |
| OE_GA3 | Onward Energy | Camilla, GA | Southern Company Services, Inc. - Trans (SOCO) | 125.0 GWh | Nov 2019 | Apr 2025 | Solar |
| Off Airport Road - West | Off Airport Road - West, LLC | Accord, NY | New York Independent System Operator (NYIS) | 6.7 GWh | Nov 2019 | Dec 2024 | Solar |
| One Patriot | Bloom Energy | Foxborough, MA | ISO New England (ISNE) | 16.3 GWh | Nov 2019 | Dec 2024 | Natural Gas |
| Oxbow Creek | Oxbow Creek Energy LLC | Factoryville, PA | PJM Interconnection, LLC (PJM) | 41.0 GWh | Nov 2019 | Dec 2024 | Natural Gas |
| O'Neill Creek Solar | O'Neill Creek Solar LLC | Gaston, OR | Portland General Electric Company (PGE) | 3.4 GWh | Oct 2019 | Dec 2024 | Solar |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Sep 2019 | Dec 2024 | Solar |
| Olinda Trail Solar | Olinda Trail Solar LLC | Lindstrom, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Aug 2019 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on April 2025 generation numbers.| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,243.20 GWh |
| Alaska | # 48 | 142 | 476.79 GWh |
| Arizona | # 15 | 173 | 7,447.02 GWh |
| Arkansas | # 31 | 99 | 3,937.58 GWh |
| California | # 4 | 1,664 | 15,684.45 GWh |
| Colorado | # 28 | 290 | 4,479.29 GWh |
| Connecticut | # 37 | 162 | 2,832.47 GWh |
| Delaware | # 49 | 32 | 450.59 GWh |
| District of Columbia | # 51 | 16 | 13.07 GWh |
| Florida | # 2 | 317 | 20,430.69 GWh |
| Georgia | # 6 | 248 | 11,378.75 GWh |
| Hawaii | # 46 | 68 | 750.53 GWh |
| Idaho | # 44 | 145 | 1,489.98 GWh |
| Illinois | # 5 | 358 | 14,828.23 GWh |
| Indiana | # 14 | 208 | 7,809.31 GWh |
| Iowa | # 19 | 294 | 6,020.16 GWh |
| Kansas | # 21 | 180 | 5,162.37 GWh |
| Kentucky | # 25 | 57 | 4,785.23 GWh |
| Louisiana | # 16 | 83 | 7,414.75 GWh |
| Maine | # 45 | 208 | 1,052.11 GWh |
| Maryland | # 36 | 196 | 3,016.71 GWh |
| Massachusetts | # 43 | 623 | 1,491.61 GWh |
| Michigan | # 9 | 269 | 9,486.98 GWh |
| Minnesota | # 27 | 765 | 4,502.46 GWh |
| Mississippi | # 20 | 56 | 5,727.48 GWh |
| Missouri | # 23 | 120 | 5,119.33 GWh |
| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,029.46 GWh |
| Nebraska | # 38 | 127 | 2,575.70 GWh |
| Nevada | # 33 | 110 | 3,434.99 GWh |
| New Hampshire | # 42 | 56 | 1,516.23 GWh |
| New Jersey | # 22 | 385 | 5,160.42 GWh |
| New Mexico | # 32 | 139 | 3,447.34 GWh |
| New York | # 8 | 930 | 9,830.59 GWh |
| North Carolina | # 10 | 909 | 9,044.94 GWh |
| North Dakota | # 35 | 57 | 3,134.93 GWh |
| Ohio | # 12 | 197 | 8,321.20 GWh |
| Oklahoma | # 18 | 136 | 6,341.82 GWh |
| Oregon | # 24 | 272 | 4,888.92 GWh |
| Pennsylvania | # 3 | 255 | 17,282.62 GWh |
| Rhode Island | # 47 | 97 | 690.36 GWh |
| South Carolina | # 11 | 200 | 8,436.34 GWh |
| South Dakota | # 41 | 52 | 1,909.63 GWh |
| Tennessee | # 26 | 86 | 4,565.37 GWh |
| Texas | # 1 | 885 | 43,683.73 GWh |
| Utah | # 39 | 122 | 2,192.68 GWh |
| Vermont | # 50 | 117 | 200.11 GWh |
| Virginia | # 17 | 233 | 6,991.48 GWh |
| Washington | # 13 | 134 | 8,268.23 GWh |
| West Virginia | # 30 | 39 | 3,969.31 GWh |
| Wisconsin | # 29 | 244 | 4,163.43 GWh |
| Wyoming | # 34 | 73 | 3,236.34 GWh |