Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Ohio Falls | Louisville Gas & Electric Co | Shippingport Island, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 294.0 GWh | Dec 1927 | Dec 2023 | Water |
| Ohio Northern University Solar Site | AEP Onsite Partners, LLC | Ada, OH | PJM Interconnection, LLC (PJM) | 4.6 GWh | Nov 2016 | Jun 2024 | Solar |
| Oil Dri 2 Solar | Westbound Solar LLC | Ochlocknee, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.8 GWh | Apr 2019 | Dec 2022 | Solar |
| OK Produce Fresno Carport | OK Produce | Fresno, CA | California Independent System Operator (CISO) | 3.1 GWh | Dec 2018 | Dec 2023 | Solar |
| Okeechobee Clean Energy Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 12.6 TWh | Feb 2019 | Jun 2024 | Natural Gas |
| Okeechobee Solar | Florida Power & Light Co | Vero Beach, FL | Florida Power & Light Co. (FPL) | 172.5 GWh | Mar 2020 | Jun 2024 | Solar |
| Okeelanta Cogeneration | New Hope Power Company | South Bay, FL | Florida Power & Light Co. (FPL) | 42.4 GWh | Dec 1995 | Jun 2024 | Agricultural By-Products : 94.2% Natural Gas : 5.8% |
| Oklahoma Wind Energy Center | FPL Energy Oklahoma Wind LLC | Woodward, OK | Southwest Power Pool (SWPP) | 168.1 GWh | Sep 2003 | Dec 2023 | Wind |
| Old Bridge Global Landfill CSG | NJR Clean Energy Ventures Corporation | Old Bridge, NJ | PJM Interconnection, LLC (PJM) | 353.0 MWh | Sep 2023 | Dec 2023 | Solar |
| Old Bridge Solar Farm | NJR Clean Energy Ventures Corporation | Old Bridge, NJ | PJM Interconnection, LLC (PJM) | 14.2 GWh | Jul 2018 | Dec 2023 | Solar |
| Old Caroleen Solar Farm | Cypress Creek Renewables | Forest City, NC | Duke Energy Carolinas (DUK) | 4.0 GWh | Jun 2018 | Dec 2023 | Solar |
| Old Catawba PV 1 | Ecoplexus, Inc | Claremont, NC | Duke Energy Carolinas (DUK) | 6.1 GWh | Nov 2015 | Dec 2023 | Solar |
| Old Cedar Solar Energy Storage | North Carolina El Member Corp | Asheboro, NC | Duke Energy Progress East (CPLE) | 1.9 GWh | Jul 2021 | Dec 2023 | Solar : 99.5% |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Sep 2019 | Dec 2023 | Solar |
| Old Faithful | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 278.9 MWh | Nov 1979 | Dec 2023 | Distillate Fuel Oil |
| Old Gold Energy Center, LLC | Old Gold Energy Center, LLC | Joice, IA | Midcontinent Independent System Operator, Inc. (MISO) | 177.0 GWh | Sep 2001 | Dec 2022 | Wind |
| Old Hickory | USCE-Nashville District | Hendersonville, TN | Tennessee Valley Authority (TVA) | 407.0 GWh | Mar 1957 | Dec 2023 | Water |
| Old Middleboro Road Solar | Agilitas Energy, LLC | Rochester, MA | ISO New England (ISNE) | 9.7 GWh | Dec 2022 | Dec 2023 | Solar |
| Old Midville Solar | Citizens Enterprises Corporation | Millen, GA | Southern Company Services, Inc. - Trans (SOCO) | 41.5 GWh | Oct 2016 | Dec 2023 | Solar |
| Old Mill Solar | Old Mill Solar | Bly, OR | PacifiCorp West (PACW) | 7.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Old Pageland Monroe Road Solar Farm | Cypress Creek Renewables | Monroe, NC | Duke Energy Carolinas (DUK) | 9.3 GWh | Oct 2015 | Dec 2023 | Solar |
| Old Plank Road Solar Farm, LLC | Southeastern Solar Farm Fund, LLC | Jacksonville, FL | JEA (JEA) | 6.1 GWh | Sep 2017 | Dec 2023 | Solar |
| Old Settler Wind | Old Settler Wind, LLC | Floydada, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 607.8 GWh | Mar 2017 | Jun 2024 | Wind |
| Old Trail Wind Farm | Old Trail Wind Farm LLC | Ellsworth, IL | PJM Interconnection, LLC (PJM) | 567.0 GWh | Nov 2007 | Jun 2024 | Wind |
| Old Wardour Solar | NuGen Capital Management | East Brookfield, MA | ISO New England (ISNE) | 7.2 GWh | Dec 2015 | Dec 2023 | Solar |
| Old Wire Farm | Strata Manager, LLC | Laurel Hill, NC | Duke Energy Progress East (CPLE) | 10.6 GWh | Nov 2016 | Dec 2023 | Solar |
| Oleander Power Project LP | Oleander Holdings LLC | Cocoa, FL | Florida Power & Light Co. (FPL) | 397.3 GWh | May 2002 | Dec 2023 | Natural Gas : 99.7% |
| Olinda Trail Solar | Olinda Trail Solar LLC | Lindstrom, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Aug 2019 | Dec 2023 | Solar |
| Olive View Medical Center | Los Angeles County | Sylmar, CA | Los Angeles Department of Water and Power (LDWP) | 12.8 GWh | Jan 1987 | Feb 2024 | Natural Gas |
| OlivePV | Indiana Michigan Power Co | New Carlisle, IN | PJM Interconnection, LLC (PJM) | 9.3 GWh | Jul 2016 | Jun 2024 | Solar |
| Oliver Dam | Georgia Power Co | Columbus, GA | Southern Company Services, Inc. - Trans (SOCO) | 147.0 GWh | Jun 1959 | Dec 2023 | Water |
| Oliver Wind III, LLC | Oliver Wind III, LLC | Mandan, ND | Midcontinent Independent System Operator, Inc. (MISO) | 434.8 GWh | Dec 2016 | Jun 2024 | Wind |
| Olmstead II CSG | Olmstead Solar II, LLC | Lena, IL | PJM Interconnection, LLC (PJM) | 4.4 GWh | Aug 2021 | Dec 2022 | Solar |
| Olmsted Waste Energy | Olmsted County Public Works | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 42.6 GWh | Mar 1987 | Dec 2023 | Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.4% Natural Gas : 0.9% |
| Olney Solar II CSG | Olney Solar II, LLC | Olney, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.6 GWh | May 2021 | Dec 2023 | Solar |
| OLS Energy Chino | OLS Energy-Chino | Chino, CA | California Independent System Operator (CISO) | 11.9 GWh | Nov 1987 | Dec 2023 | Natural Gas |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 18.9 GWh | Dec 1989 | Dec 2023 | Water |
| Oltmans SCE at Champagne | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 1.3 GWh | Nov 2013 | Dec 2023 | Solar |
| Oltmans SCE at Jurupa | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 1.8 GWh | Nov 2013 | Dec 2023 | Solar |
| Omega Hills Gas Recovery | WM Renewable Energy LLC | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 92.3 GWh | Nov 1985 | Jun 2024 | Landfill Gas |
| Omtanke Solar | DG South Carolina Solar, LLC | Ridgeville, SC | South Carolina Public Service Authority (SC) | 10.8 GWh | Feb 2020 | Dec 2023 | Solar |
| Onalaska Campus Landfill Biogas | Gundersen Lutheran Biogas I LLC | Onalaska, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Feb 2012 | Dec 2023 | Landfill Gas |
| Onancock Diesel Generation Facility | Old Dominion Electric Coop | Onancock, VA | PJM Interconnection, LLC (PJM) | 192.2 MWh | Oct 2002 | Dec 2023 | Distillate Fuel Oil |
| One Market Plaza | Paramount Group Inc | San Francisco, CA | California Independent System Operator (CISO) | 1.4 GWh | Nov 2003 | Dec 2023 | Natural Gas |
| One Patriot | Bloom Energy | Foxborough, MA | ISO New England (ISNE) | 14.3 GWh | Nov 2019 | Dec 2023 | Natural Gas |
| One Ten Partners PV | One Ten Partners, LLC | Palmdale, CA | California Independent System Operator (CISO) | 5.6 GWh | Aug 2017 | Dec 2023 | Solar |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 44.0 GWh | Jun 1915 | Dec 2023 | Water |
| Oneida County- DPW | Tesla Inc. | Oriskany, NY | ISO New England (ISNE) | 1.9 GWh | Sep 2017 | Dec 2023 | Solar |
| Oneida Herkimer | WM Renewable Energy LLC | Boonville, NY | New York Independent System Operator (NYIS) | 28.6 GWh | Mar 2012 | Dec 2023 | Landfill Gas |
| Oneida - South | Oneida DG Solar, LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Nov 2015 | Dec 2023 | Solar |
| Oneida - West | Oneida DG Solar, LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Nov 2015 | Dec 2023 | Solar |
| Oneta Energy Center | Oneta Power LLC | Broken Arrow, OK | Southwest Power Pool (SWPP) | 6.3 TWh | Jun 2002 | Jun 2024 | Natural Gas |
| Onion River | Wisconsin Power & Light Co | Sheboygan Cedar Grove, WI | Midcontinent Independent System Operator, Inc. (MISO) | 95.3 GWh | Nov 2023 | Jun 2024 | Solar |
| Onondaga County- Clearwater | Tesla Inc. | Oswego, NY | ISO New England (ISNE) | 2.8 GWh | Jun 2017 | Dec 2023 | Solar |
| Onondaga County- Jamesville | Tesla Inc. | Jamesville, NY | New York Independent System Operator (NYIS) | 2.1 GWh | Feb 2018 | Dec 2023 | Solar |
| Onondaga County - Metro Water Board | Tesla Inc. | Clay, NY | New York Independent System Operator (NYIS) | 1.1 GWh | Jan 2016 | Dec 2023 | Solar |
| Onondaga County - Oak Orchard WWTP | Tesla Inc. | Clay, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Oct 2017 | Dec 2023 | Solar |
| Onondaga County Resource Recovery | Covanta Onondega LP | Jamesville, NY | New York Independent System Operator (NYIS) | 236.4 GWh | Oct 1994 | Jun 2024 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
| Onset East Community Solar Facility | BCC Solar III, LLC | Wareham, MA | ISO New England (ISNE) | 1.9 GWh | Mar 2016 | Dec 2022 | Solar |
| Onset West Community Solar Facility | BCC Solar III, LLC | Wareham, MA | ISO New England (ISNE) | 1.9 GWh | Mar 2016 | Dec 2022 | Solar |
| Onslow Power Producers | Cube District Energy, LLC | Jacksonville, NC | Duke Energy Carolinas (DUK) | 12.0 GWh | Oct 2013 | Dec 2023 | Landfill Gas |
| Ontario LFGTE | Seneca Energy II | Stanley, NY | New York Independent System Operator (NYIS) | 85.1 GWh | Oct 2003 | Dec 2023 | Landfill Gas |
| Ontario Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 5.9 GWh | Apr 2020 | Dec 2023 | Solar |
| Ontario Sun | Azimuth 180 Solar Electric, LLC | Sandy Creek, NY | New York Independent System Operator (NYIS) | 2.1 GWh | Jan 2023 | Dec 2023 | Solar |
| Ontelaunee Energy Center | Ontelaunee Energy Center | Reading, PA | PJM Interconnection, LLC (PJM) | 4.1 TWh | Apr 2002 | Jun 2024 | Natural Gas |
| Onyx - Allen Harim | Onyx Asset Services Group | Harbeson, DE | PJM Interconnection, LLC (PJM) | 2.1 GWh | Mar 2017 | Dec 2022 | Solar |
| Onyx - Brockton Thatcher Landfill Solar CSG | Onyx Asset Services Group | Brockton, MA | ISO New England (ISNE) | 4.5 GWh | Oct 2017 | Dec 2023 | Solar |
| Onyx - Lamphear Road CSG | Onyx Asset Services Group | Rome, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Sep 2016 | Dec 2023 | Solar |
| Onyx - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2017 | Dec 2023 | Solar |
| Onyx - Saratoga Springs Landfill Solar CSG | Onyx Asset Services Group | Saratoga Springs, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Oct 2017 | Dec 2023 | Solar |
| Opal Springs Hydro | Deschutes Valley Water District | Culver, OR | PacifiCorp West (PACW) | 25.9 GWh | Dec 1984 | Dec 2023 | Water |
| Open Range Solar Center, LLC | Cypress Creek Renewables | Nyssa, OR | Idaho Power Company (IPCO) | 25.1 GWh | Aug 2016 | Jun 2024 | Solar |
| Open View Solar Farm | Cross Pollination Inc | New Haven, VT | ISO New England (ISNE) | 2.6 GWh | Aug 2013 | Dec 2023 | Solar |
| Opryland USA | Gaylord Entertainment Co | Nashville, TN | Tennessee Valley Authority (TVA) | 28.7 GWh | Jun 1995 | Jun 2024 | Natural Gas |
| Optimum Wind 3 LLC | Optimum Wind 3 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.1 GWh | Feb 2017 | Dec 2023 | Wind |
| Optimum Wind 4 LLC | Optimum Wind 4 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.3 GWh | Feb 2017 | Dec 2023 | Wind |
| Optimum Wind 5 LLC | Optimum Wind 5 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Feb 2017 | Dec 2023 | Wind |
| Optimum Wind 6 LLC | Optimum Wind 6 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.3 GWh | Feb 2017 | Dec 2023 | Wind |
| Optimum Wind 7 LLC | Optimum Wind 7 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.3 GWh | Feb 2017 | Dec 2023 | Wind |
| OR Solar 2, LLC | OR Solar 2, LLC | Eagle Point, OR | PacifiCorp West (PACW) | 22.0 GWh | Sep 2020 | Dec 2023 | Solar |
| OR Solar 3, LLC | Heelstone Energy Holdings, LLC | Malin, OR | PacifiCorp West (PACW) | 24.0 GWh | Nov 2017 | Dec 2023 | Solar |
| OR Solar 5, LLC | Heelstone Energy Holdings, LLC | Merrill, OR | PacifiCorp West (PACW) | 18.6 GWh | Dec 2017 | Dec 2023 | Solar |
| OR Solar 6, LLC | Heelstone Energy Holdings, LLC | Lakeview, OR | PacifiCorp West (PACW) | 24.0 GWh | Nov 2017 | Dec 2023 | Solar |
| OR Solar 8, LLC | Heelstone Energy Holdings, LLC | Dairy, OR | PacifiCorp West (PACW) | 24.4 GWh | Feb 2018 | Dec 2023 | Solar |
| Orange Blossom Solar Center | Florida Power & Light Co | Vero Beach, FL | Florida Power & Light Co. (FPL) | 168.2 GWh | Apr 2021 | Jun 2024 | 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% |
| Orange Cogeneration Facility | Northern Star Generation Services Co LLC | Bartow, FL | Duke Energy Florida, Inc. (FPC) | 425.7 GWh | Jan 1995 | Dec 2023 | Natural Gas |
| Orange County Solar Farm (NY) | Tesla Inc. | Goshen, NY | ISO New England (ISNE) | 2.4 GWh | Apr 2017 | Dec 2023 | Solar |
| Orange Grove Peaking Facility | Orange Grove Energy LP | Pala, CA | California Independent System Operator (CISO) | 18.4 GWh | May 2010 | Dec 2023 | Natural Gas |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.4 GWh | Jun 2013 | Dec 2023 | Solar |
| Orange Street G1 | Town of Bedford - (VA) | Bedford, VA | PJM Interconnection, LLC (PJM) | 234.8 MWh | Jun 2005 | Dec 2023 | Distillate Fuel Oil |
| Orbit Bloom Fuel Cell | DG Fuel Cell, LLC | Medford, NY | New York Independent System Operator (NYIS) | 46.4 GWh | Jul 2020 | Dec 2023 | Natural Gas |
| Orbit Energy Charlotte | Anaergia | Charlotte, NC | Duke Energy Carolinas (DUK) | 9.6 GWh | Oct 2016 | Dec 2022 | Other Biomass Gas |
| Orbit Energy RI | Anaergia | Johnston, RI | ISO New England (ISNE) | 4.0 GWh | Jun 2017 | Dec 2022 | Other Biomass Gas |
| Orca | Cordova Electric Coop, Inc | Cordova, AK | 7.0 GWh | Sep 1984 | Dec 2023 | Distillate Fuel Oil | |
| Orchard | Florida Power & Light Co | Ft. Pierce, FL | Florida Power & Light Co. (FPL) | 85.1 GWh | - | Jun 2024 | Solar |
| Orchard Avenue 1 | Yakima-Tieton Irrigation Dist | Yakima, WA | PacifiCorp West (PACW) | 2.7 GWh | Feb 1987 | Oct 2023 | Water |
| Orchard Park | Borough of Chambersburg | Chambersburg, PA | PJM Interconnection, LLC (PJM) | 23.1 GWh | Nov 2003 | Jun 2024 | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
| Orchard Ranch Solar | Orchard Ranch Solar, LLC | Orchard, ID | Idaho Power Company (IPCO) | 49.8 GWh | Feb 2017 | Jun 2024 | Solar |
| Orchard Windfarm 1, LLC | Orchard Windfarm, LLC | Lexington, OR | PacifiCorp West (PACW) | 16.9 GWh | Nov 2020 | Dec 2022 | Wind |
Summary of Power Plants By State
Figures are based on June 2024 generation numbers.| State | Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Alabama | # 8 | 76 | 12,994.64 GWh |
| Alaska | # 49 | 141 | 532.92 GWh |
| Arizona | # 12 | 158 | 10,816.56 GWh |
| Arkansas | # 23 | 74 | 6,090.57 GWh |
| California | # 4 | 1,616 | 18,642.28 GWh |
| Colorado | # 29 | 273 | 5,203.60 GWh |
| Connecticut | # 33 | 154 | 3,883.35 GWh |
| Delaware | # 48 | 31 | 564.91 GWh |
| District of Columbia | # 51 | 12 | 21.97 GWh |
| Florida | # 2 | 280 | 25,317.55 GWh |
| Georgia | # 6 | 236 | 13,565.77 GWh |
| Hawaii | # 47 | 68 | 752.19 GWh |
| Idaho | # 44 | 141 | 1,494.57 GWh |
| Illinois | # 5 | 327 | 16,149.86 GWh |
| Indiana | # 18 | 199 | 8,605.73 GWh |
| Iowa | # 25 | 283 | 5,808.39 GWh |
| Kansas | # 28 | 161 | 5,468.39 GWh |
| Kentucky | # 22 | 55 | 6,311.84 GWh |
| Louisiana | # 15 | 76 | 8,941.67 GWh |
| Maine | # 45 | 154 | 1,057.36 GWh |
| Maryland | # 37 | 181 | 3,071.44 GWh |
| Massachusetts | # 43 | 603 | 1,578.29 GWh |
| Michigan | # 11 | 269 | 10,966.92 GWh |
| Minnesota | # 31 | 740 | 4,981.73 GWh |
| Mississippi | # 20 | 51 | 6,954.06 GWh |
| Missouri | # 21 | 120 | 6,419.21 GWh |
| State | Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Montana | # 40 | 68 | 1,731.18 GWh |
| Nebraska | # 38 | 119 | 2,961.38 GWh |
| Nevada | # 32 | 109 | 4,448.23 GWh |
| New Hampshire | # 41 | 55 | 1,617.28 GWh |
| New Jersey | # 27 | 378 | 5,717.84 GWh |
| New Mexico | # 34 | 140 | 3,720.74 GWh |
| New York | # 10 | 816 | 11,624.86 GWh |
| North Carolina | # 7 | 885 | 13,147.77 GWh |
| North Dakota | # 35 | 56 | 3,335.99 GWh |
| Ohio | # 9 | 186 | 12,671.30 GWh |
| Oklahoma | # 14 | 129 | 9,158.26 GWh |
| Oregon | # 30 | 257 | 4,992.34 GWh |
| Pennsylvania | # 3 | 242 | 22,116.29 GWh |
| Rhode Island | # 46 | 95 | 809.08 GWh |
| South Carolina | # 16 | 200 | 8,804.50 GWh |
| South Dakota | # 42 | 53 | 1,584.09 GWh |
| Tennessee | # 19 | 86 | 7,483.06 GWh |
| Texas | # 1 | 769 | 51,651.54 GWh |
| Utah | # 39 | 120 | 2,790.81 GWh |
| Vermont | # 50 | 113 | 164.09 GWh |
| Virginia | # 13 | 211 | 9,481.73 GWh |
| Washington | # 17 | 136 | 8,736.01 GWh |
| West Virginia | # 26 | 36 | 5,742.89 GWh |
| Wisconsin | # 24 | 220 | 5,990.65 GWh |
| Wyoming | # 36 | 69 | 3,106.43 GWh |