Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Roxboro Solar Farm, LLC | Cypress Creek Renewables | Oxford, NC | Duke Energy Progress East (CPLE) | 8.7 GWh | Nov 2015 | Dec 2025 | Solar |
| 3715 Oxford RD | Solitude Solar New Hartford Oxford Microgrid, LLC | Oxford, NY | New York Independent System Operator (NYIS) | 268.0 MWh | Oct 2025 | Dec 2025 | Solar |
| WC Landfill Energy LLC | MN8 Energy LLC | Oxford, NJ | PJM Interconnection, LLC (PJM) | 683.0 MWh | Oct 2006 | Dec 2025 | Solar |
| Oxford (NE) | Village of Oxford - (NE) | Oxford, NE | Southwest Power Pool (SWPP) | 82.0 MWh | Jul 1953 | Dec 2025 | Natural Gas : 67.3% Distillate Fuel Oil : 32.7% |
| Barrett PV | MN8 Energy LLC | Oxford, MA | ISO New England (ISNE) | 17.2 GWh | Oct 2016 | Dec 2025 | Solar |
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 3.1 GWh | Jun 2014 | Dec 2025 | Solar |
| Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | ISO New England (ISNE) | 4.8 GWh | Jan 2020 | Dec 2025 | Solar |
| Seaboard Oxford, LLC | Navisun LLC | Oxford, MA | ISO New England (ISNE) | 2.7 GWh | Jul 2020 | Dec 2025 | Solar |
| Joe Jenny | AMP MA Joe Jenny | Oxford, MA | ISO New England (ISNE) | 2.4 GWh | Apr 2018 | Dec 2024 | Solar |
| Oxford PV - BD Solar Oxford LLC | BD Solar Oxford LLC | Oxford, ME | ISO New England (ISNE) | 12.9 GWh | May 2021 | Dec 2025 | Solar |
| Oxford (KS) | City of Oxford - (KS) | Oxford, KS | Southwest Power Pool (SWPP) | 4.0 MWh | Jun 1999 | Dec 2025 | Distillate Fuel Oil |
| CPV Towantic Energy Center | CPV Towantic, LLC | Oxford, CT | ISO New England (ISNE) | 5.5 TWh | Apr 2018 | May 2026 | Natural Gas |
| Hells Canyon | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 2.0 TWh | Sep 1967 | Dec 2025 | Water |
| Oxbow (OR) | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 990.3 GWh | Jun 1961 | Dec 2025 | Water |
| Midcontinent Solar, LLC | Midcontinent Solar, LLC | Owosso, MI | Midcontinent Independent System Operator, Inc. (MISO) | 37.6 GWh | Sep 2023 | Dec 2025 | Solar |
| Lyons Road | Lyons Road Solar, LLC | Owosso, MI | Midcontinent Independent System Operator, Inc. (MISO) | 41.3 GWh | Dec 2021 | Dec 2025 | Solar |
| Pine Tree Solar Project | Los Angeles Department of Water & Power | Owenyo, CA | Los Angeles Department of Water and Power (LDWP) | 7.4 GWh | Feb 2013 | Dec 2025 | Solar |
| Gibson | Duke Energy Indiana, LLC | Owensville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 10.8 TWh | Mar 1975 | May 2026 | Bituminous Coal : 99.6% |
| Day Hollow Road Community Solar | Bullrock-NxtGenREA | Owego, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Dec 2023 | Dec 2025 | Solar |
| Tioga Solar North(CSG) | 237 State Route 96 Site 1, LLC | Owego, NY | New York Independent System Operator (NYIS) | 7.2 GWh | Oct 2021 | Dec 2025 | Solar |
| Tioga Solar South(CSG) | 237 State Route 96 Site 2, LLC | Owego, NY | New York Independent System Operator (NYIS) | 7.2 GWh | Oct 2021 | Dec 2025 | Solar |
| Cafferty Hill Solar | Generate Capital | Owego, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Feb 2022 | Dec 2025 | Solar |
| Day Hollow | Bullrock-NxtGenREA | Owego, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Dec 2023 | Dec 2025 | Solar |
| Gaskill Rd Community Solar Farm CSG | Scale Sustainable I, LLC | Owego, NY | New York Independent System Operator (NYIS) | 5.8 GWh | Nov 2019 | Dec 2025 | Solar |
| RJC CSG, LLC | Madison Energy Holdings LLC | Owatonna,, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | May 2021 | Dec 2025 | Solar |
| Enterprise MN - Buscho CSG | Standard Solar | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 26.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Owatonna | City of Owatonna - (MN) | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Mar 1982 | Dec 2025 | Natural Gas |
| RJC I CSG | RJC I CSG LLC | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Jun 2018 | Dec 2025 | Solar |
| RJC II Community Solar Garden | RJC II CSG LLC | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | May 2018 | Dec 2025 | Solar |
| Lemond Solar | Adapture Renewables, Inc. | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.7 GWh | May 2017 | Dec 2025 | Solar |
| Owatonna Energy Station | Southern Minnesota Mun P Agny | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Feb 2018 | Dec 2025 | Natural Gas |
| USS Bush Solar LLC CSG | United States Solar Corporation | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2020 | Dec 2025 | Solar |
| Ottumwa | Interstate Power and Light Co | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 TWh | Apr 1981 | May 2026 | Subbituminous Coal : 99.6% |
| Ottumwa City of | City of Ottumwa - (IA) | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Jul 1931 | Dec 2025 | Water |
| True North Solar, LLC | Avangrid Power LLC | Otto, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 558.6 GWh | Nov 2024 | May 2026 | Solar |
| Whirlpool Corporation - Ottawa Wind Farm | Ottawa Wind 24, LLC | Ottawa, OH | PJM Interconnection, LLC (PJM) | 1.9 GWh | Dec 2017 | Dec 2024 | Wind |
| Dayton Hydro | Eagle Creek Renewable Energy, LLC | Ottawa, IL | Midcontinent Independent System Operator, Inc. (MISO) | 9.9 GWh | Dec 1924 | Dec 2025 | Water |
| LaSalle Solar 6 | Pivot Energy | Ottawa, IL | Midcontinent Independent System Operator, Inc. (MISO) | 582.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Otsego Mill Power Plant | Otsego Paper Inc | Otsego, MI | Midcontinent Independent System Operator, Inc. (MISO) | 162.5 GWh | Oct 1995 | Dec 2025 | Natural Gas |
| Shoddy Hollow | Generate Capital | Otisville, NY | New York Independent System Operator (NYIS) | 8.7 GWh | Nov 2024 | Dec 2025 | Solar |
| NY Finchville Tpke CSG | Finchville Tpke LLC | Otisville, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Nov 2024 | Dec 2025 | Solar |
| Nutting Ridge Solar, LLC | REA Investments, LLC | Otisfield, ME | ISO New England (ISNE) | 6.8 GWh | May 2023 | Dec 2025 | Solar |
| MA Military Reservation Wind Project | Air Force Civil Engineer Center | Otis ANG Base Bourne, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2009 | Dec 2025 | Wind |
| Lundgren Wind Project | MidAmerican Energy Co | Otho, IA | Midcontinent Independent System Operator, Inc. (MISO) | 604.9 GWh | Jul 2014 | Dec 2025 | Wind |
| Russell D Smith | Columbia Basin Hydropower | Othello, WA | Bonneville Power Administration (BPAT) | 14.4 GWh | Aug 1982 | Oct 2025 | Water |
| High Dam | Oswego, City of - (NY) | Oswego, NY | New York Independent System Operator (NYIS) | 19.1 GWh | Jul 1928 | Dec 2025 | Water |
| Oswego Harbor Power | Oswego Harbor Power | Oswego, NY | New York Independent System Operator (NYIS) | 130.8 GWh | May 1975 | Feb 2026 | Residual Fuel Oil : 98.0% Natural Gas : 2.0% |
| Varick | Erie Boulevard Hydropower LP | Oswego, NY | New York Independent System Operator (NYIS) | 19.9 GWh | Dec 1925 | Dec 2025 | Water |
| Indeck Oswego Energy Center | Indeck-Oswego Ltd Partnership | Oswego, NY | New York Independent System Operator (NYIS) | 117.8 GWh | May 1990 | Dec 2025 | Natural Gas |
| Sithe Independence Station | Sithe/Independence LLC | Oswego, NY | New York Independent System Operator (NYIS) | 6.8 TWh | Jul 1994 | May 2026 | Natural Gas |
| Onondaga County- Clearwater | Tesla Inc. | Oswego, NY | ISO New England (ISNE) | 2.5 GWh | Jun 2017 | Dec 2025 | Solar |
| Oswego | NY USLE Oswego SR104 LLC | Oswego, NY | New York Independent System Operator (NYIS) | 7.3 GWh | Aug 2023 | Dec 2025 | Solar |
| Summit - Oswego | MN8 Energy LLC | Oswego, NY | New York Independent System Operator (NYIS) | 3.7 GWh | May 2023 | Dec 2025 | Solar |
| SSC Oswego II LLC | Reactivate | Oswego, NY | New York Independent System Operator (NYIS) | 6.6 GWh | Oct 2024 | Dec 2025 | Solar |
| Ruler Solar Partners (CSG) | Ruler Solar Partners, LLC | Oswegatchie, NY | New York Independent System Operator (NYIS) | 9.1 GWh | Jul 2023 | Dec 2025 | Solar |
| Royal Solar Partners (CSG) | Royal Solar Partners, LLC | Oswegatchie, NY | New York Independent System Operator (NYIS) | 4.2 GWh | Jul 2023 | Dec 2025 | Solar |
| TJA-NY-1454 CR 15 Oswegatchie, LLC | Dimension Energy LLC | Oswegatchie, NY | New York Independent System Operator (NYIS) | 7.3 GWh | Nov 2024 | Dec 2025 | Solar |
| Browns Falls | Erie Boulevard Hydropower LP | Oswegatchie, NY | New York Independent System Operator (NYIS) | 49.2 GWh | Dec 1922 | Dec 2025 | Water |
| Eel Weir | Erie Boulevard Hydropower LP | Oswegatchie, NY | New York Independent System Operator (NYIS) | 7.6 GWh | Dec 1927 | Dec 2025 | Water |
| Langdon Wind II LLC | FPL Energy Langdon Wind LLC | Osnabrock, ND | Midcontinent Independent System Operator, Inc. (MISO) | 174.8 GWh | Aug 2008 | Dec 2025 | Wind |
| Oskaloosa | Today's Power, Inc. | Oskaloosa, KS | Southwest Power Pool (SWPP) | 2.1 GWh | Apr 2021 | Dec 2025 | Solar |
| Winnebago County Landfill Gas | Winnebago County - (WI) | Oshkosh, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Jan 2000 | Dec 2025 | Landfill Gas |
| Five Channels | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 23.0 GWh | Dec 1911 | Dec 2025 | Water |
| Loud | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 16.1 GWh | Dec 1912 | Dec 2025 | Water |
| Cooke | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 24.3 GWh | Dec 1910 | Dec 2025 | Water |
| Foote | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 27.6 GWh | Dec 1917 | Dec 2025 | Water |
| Polk County Renewables, LLC | Polk County Renewables, LLC | Osceola, NE | Southwest Power Pool (SWPP) | 11.5 GWh | Nov 2018 | Dec 2025 | Wind |
| Driver Solar | Entergy Arkansas LLC | Osceola, AR | Midcontinent Independent System Operator, Inc. (MISO) | 332.7 GWh | Oct 2024 | May 2026 | Solar |
| Plum Point Energy Station | NRG Energy Services - Plum Point | Osceola, AR | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 TWh | Aug 2010 | May 2026 | Subbituminous Coal : 99.7% |
| Osborne | City of Osborne - (KS) | Osborne, KS | Southwest Power Pool (SWPP) | 30.4 MWh | May 1957 | Dec 2025 | Distillate Fuel Oil : 61.7% Natural Gas : 38.3% |
| Osawatomie Power Plant North Sub | City of Osawatomie - (KS) | Osawatomie, KS | Southwest Power Pool (SWPP) | 3.0 MWh | Apr 2018 | Dec 2025 | Distillate Fuel Oil |
| Osawatomie Power Plant South Sub | City of Osawatomie - (KS) | Osawatomie, KS | Southwest Power Pool (SWPP) | 3.0 MWh | Feb 2017 | Dec 2025 | Distillate Fuel Oil |
| Osawatomie Solar | Evergy Kansas Central, Inc | Osawatomie, KS | Southwest Power Pool (SWPP) | 10.8 GWh | Nov 2024 | Dec 2025 | Solar |
| Novel OYA of Osakis CSG | NRG MN Community LLC | Osakis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 GWh | Jun 2018 | Dec 2025 | Solar |
| Novel Herickhoff Solar CSG | REA Investments, LLC | Osakis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Mar 2020 | Dec 2025 | Solar |
| Douglas Todd Community Solar One LLC CSG | Madison Energy Holdings LLC | Osakis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2019 | Dec 2025 | Solar |
| FastSun 13 CSG | Altus Power America Management, LLC | Osakis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2019 | Dec 2025 | Solar |
| Osage (IA) | City of Osage - (IA) | Osage, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Aug 1963 | Dec 2025 | Wind : 81.8% Solar : 18.2% |
| Maple City | Altus Power America Management, LLC | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 3.0 GWh | Nov 2022 | Dec 2025 | Solar |
| Osage City Solar | Evergy Kansas Central, Inc | Osage City, KS | Southwest Power Pool (SWPP) | 3.1 GWh | Nov 2024 | Dec 2025 | Solar |
| DG AMP Solar Orrville 3 | DG AMP Solar, LLC | Orrville, OH | PJM Interconnection, LLC (PJM) | 3.2 GWh | Jan 2018 | Dec 2025 | Solar |
| Orrville Peaking | American Mun Power-Ohio, Inc | Orrville, OH | PJM Interconnection, LLC (PJM) | 271.0 MWh | Jun 1999 | Dec 2025 | Distillate Fuel Oil |
| Orrville | City of Orrville - (OH) | Orrville, OH | PJM Interconnection, LLC (PJM) | 29.3 GWh | Dec 1948 | Dec 2025 | Bituminous Coal : 54.3% Natural Gas : 45.7% |
| Walters Solar (FLS 260) | Cypress Creek Renewables | Orrum, NC | Duke Energy Progress East (CPLE) | 7.0 GWh | Jul 2015 | Dec 2025 | Solar |
| Orrtanna | Orrtanna Power, LLC | Orrtanna, PA | PJM Interconnection, LLC (PJM) | 417.0 MWh | Apr 1971 | Dec 2025 | Distillate Fuel Oil |
| Thermalito Diverson Dam | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 10.3 GWh | Jun 1987 | Dec 2025 | Water |
| Thermalito | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 302.3 GWh | Jan 1968 | May 2026 | Water |
| Edward C Hyatt | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 2.0 TWh | Feb 1968 | May 2026 | Water |
| Kelly Ridge | South Feather Water and Power Agency | Oroville, CA | California Independent System Operator (CISO) | 69.1 GWh | Aug 1963 | Dec 2025 | Water |
| Oroville Cogeneration, LLC | Apex Power Generation Corp. | Oroville, CA | California Independent System Operator (CISO) | 115.6 MWh | Dec 1989 | Dec 2025 | Natural Gas |
| Butte College Main Campus Solar | Butte-Glenn Community College District | Oroville, CA | California Independent System Operator (CISO) | 6.6 GWh | Jun 2011 | Dec 2025 | Solar |
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 17.2 GWh | Oct 2013 | Dec 2025 | Water |
| Orono Hydro Station | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 6.2 GWh | Dec 2008 | Dec 2025 | Water |
| Canyon Del Oro High School Solar | Luminace Solar Arizona 2, LLC | Oro Valley, AZ | Tucson Electric Power (TEPC) | 2.2 GWh | Oct 2016 | Dec 2025 | Solar |
| Oro Loma | RWE Clean Energy | Oro Loma, CA | California Independent System Operator (CISO) | 49.2 GWh | Dec 2016 | Dec 2025 | Solar |
| Alamo Solar | Onward Energy | Oro Grande, CA | California Independent System Operator (CISO) | 49.3 GWh | Apr 2015 | Dec 2025 | Solar |
| OYA Robinson Road | SunStrong Management, LLC | Orleans, NY | New York Independent System Operator (NYIS) | 10.2 GWh | May 2022 | Dec 2025 | Solar |
| Wagon Wheel Wind | Southwestern Electric Power Co | Orlando, OK | Southwest Power Pool (SWPP) | 801.0 GWh | Nov 2025 | Mar 2026 | Wind |
| Taylor Creek Solar | Taylor Creek Solar LLC | Orlando, FL | Florida Municipal Power Pool (FMPP) | 178.9 GWh | May 2020 | May 2026 | Solar |
| Walt Disney World Solar Facility | Duke Energy Florida Solar Solutions | Orlando, FL | Duke Energy Florida, Inc. (FPC) | 7.5 GWh | Feb 2016 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |