Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Upper Molina | U S Bureau of Reclamation | Molina, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 23.8 GWh | Nov 1962 | Nov 2024 | Water |
| USS Fruita Solar LLC CSG | United States Solar Corporation | Fruita, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 2.9 GWh | Apr 2024 | Dec 2024 | Solar |
| Uintah | Moon Lake Electric Assn Inc | Neola, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.7 GWh | Jun 1920 | Dec 2024 | Water |
| University of Arizona - Biosphere 2 | University of Arizona - Biosphere 2 | Oracle, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 53.0 MWh | Oct 1990 | Dec 2024 | Natural Gas : 67.8% Distillate Fuel Oil : 32.2% |
| Upper Dawson | Turlock Irrigation District | La Grange, CA | Turlock Irrigation District (TIDC) | 10.7 GWh | Oct 1983 | Dec 2024 | Water |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 GWh | Nov 2010 | Dec 2024 | Solar |
| University of Tennessee Steam Plant | University of Tennessee | Knoxville, TN | Tennessee Valley Authority (TVA) | 34.0 GWh | May 1996 | Sep 2025 | Natural Gas |
| UA Central Utility Plant | University Of Arkansas | Fayetteville, AR | Southwest Power Pool (SWPP) | 33.4 GWh | Jan 2016 | Dec 2024 | Natural Gas |
| UL Advanced Wind Turbine Test Facility | West Texas A&M University | Canyon, TX | Southwest Power Pool (SWPP) | 8.8 GWh | Dec 2015 | Dec 2024 | Wind |
| Upstream Wind Energy LLC | Invenergy Services LLC | Neligh, NE | Southwest Power Pool (SWPP) | 737.3 GWh | Nov 2018 | Sep 2025 | Wind |
| Urbana-Heartland | Today's Power, Inc. | Chanute, KS | Southwest Power Pool (SWPP) | 2.3 GWh | Apr 2021 | Dec 2024 | Solar |
| UADA | Entegrity Solar UA AG, LLC | Nashville, AR | Southwest Power Pool (SWPP) | 5.9 GWh | Apr 2023 | Dec 2024 | Solar |
| U S Alliance Coosa Pines | Bowater Newport Coosa Pines Op | Coosa Pines, AL | Southern Company Services, Inc. - Trans (SOCO) | 141.9 GWh | Dec 1967 | Dec 2024 | Black Liquor : 69.6% Natural Gas : 30.4% |
| Upson Rocky Creek Solar Plant | Axium US Solar Holdings LLC | Thomaston, GA | Southern Company Services, Inc. - Trans (SOCO) | 1.2 GWh | May 2012 | Dec 2024 | Solar |
| Upson County GA S1 LLC | SolRiver Capital LLC | Thomaston, GA | Southern Company Services, Inc. - Trans (SOCO) | 6.5 GWh | Mar 2023 | Dec 2024 | Solar |
| University of Washington Power Plant | University of Washington | Seattle, WA | Seattle City Light (SCL) | 4.1 GWh | Dec 1968 | Sep 2025 | Natural Gas : 97.1% Distillate Fuel Oil : 2.9% |
| Urtica Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 10.6 GWh | Oct 2022 | Dec 2024 | Solar |
| Upper Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 317.8 GWh | Dec 1958 | Dec 2024 | Water |
| University of Colorado | University of Colorado | Boulder, CO | Public Service Company of Colorado (PSCO) | 4.6 GWh | Jul 1992 | Jan 2025 | Natural Gas : 99.9% |
| USS Cogburn Solar LLC (CSG) | United States Solar Corporation | Greeley, CO | Public Service Company of Colorado (PSCO) | 13.0 MWh | Nov 2024 | Dec 2024 | Solar |
| USS Giveback Solar LLC (CSG) | United States Solar Corporation | Pueblo, CO | Public Service Company of Colorado (PSCO) | 5.0 GWh | Nov 2023 | Dec 2024 | Solar |
| UN-School House LLC | BCD Project Holdings 1, LLC | Morris Township, PA | PJM Interconnection, LLC (PJM) | 32.2 GWh | Dec 2022 | Dec 2024 | Solar |
| UMMS at Pocomoke | Luminace Solar Maryland II, LLC | Pocomoke City, MD | PJM Interconnection, LLC (PJM) | 5.2 GWh | Jan 2013 | Dec 2024 | Solar |
| United Stationers Supply Solar Electric | CVI CleanCapital Solar 4 LLC | Cranbury, NJ | PJM Interconnection, LLC (PJM) | 2.9 GWh | Nov 2011 | Dec 2024 | Solar |
| Union County Resource Recovery | Reworld Union (NJ), LLC | Rahway, NJ | PJM Interconnection, LLC (PJM) | 288.3 GWh | Jan 1994 | Sep 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| USS Sycamore Solar (CSG) | Standard Solar | Sycamore, IL | PJM Interconnection, LLC (PJM) | 3.7 GWh | Apr 2022 | Dec 2024 | Solar |
| Union Bridge Solar | Citizens Enterprises Corporation | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 12.3 GWh | Mar 2022 | Dec 2024 | Solar |
| Underwood PV2 | Ecoplexus, Inc | Murfreesboro, NC | PJM Interconnection, LLC (PJM) | 30.0 GWh | Sep 2020 | Dec 2024 | Solar |
| UMCES Ground Mount | Standard Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Jan 2018 | Dec 2024 | Solar |
| University Park North | LSP University Park LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 123.7 GWh | May 2002 | Dec 2024 | Natural Gas |
| UMES (MD) - Princess Anne | NVT LICENSES, LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Jan 2011 | Dec 2024 | Solar |
| UMCP CHP Plant | Trigen-Cinergy Solutions College Park | College Park, MD | PJM Interconnection, LLC (PJM) | 84.4 GWh | May 2003 | Dec 2024 | Natural Gas : 90.0% Distillate Fuel Oil : 10.0% |
| University of Illinois Cogen Facility | University of Illinois | Chicago, IL | PJM Interconnection, LLC (PJM) | 112.3 GWh | Mar 1993 | Sep 2025 | Natural Gas : 99.9% |
| University of Notre Dame | University of Notre Dame | Notre Dame, IN | PJM Interconnection, LLC (PJM) | 88.5 GWh | Jun 1952 | Sep 2025 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| University Park Solar | SS PA II PSU LLC | State College, PA | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2018 | Dec 2024 | Solar |
| USS Goodrich Solar | Standard Solar | Bonfield, IL | PJM Interconnection, LLC (PJM) | 4.2 GWh | Jul 2022 | Dec 2024 | Solar |
| University Park South | University Park Energy LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 70.0 GWh | May 2001 | Dec 2024 | Natural Gas |
| USAA Black Bear Energy | Powerflex | Cranbury, NJ | PJM Interconnection, LLC (PJM) | 3.0 GWh | Oct 2018 | Dec 2024 | Solar |
| University of Delaware Wind Turbine | First State Marine Wind | Lewes, DE | PJM Interconnection, LLC (PJM) | 4.8 GWh | Jun 2010 | Sep 2025 | Wind |
| US GSA Heating and Transmission | US GSA Heating and Transmission | Washington, DC | PJM Interconnection, LLC (PJM) | 37.4 GWh | Jun 2004 | Sep 2025 | Natural Gas |
| US Foods Solar | CD US Solar MT1 LLC | Perth Amboy, NJ | PJM Interconnection, LLC (PJM) | 5.7 GWh | Jul 2012 | Apr 2024 | Solar |
| Upper Marlboro 1 CSG | Nautilus Solar Solutions | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Nov 2019 | Dec 2024 | Solar |
| Unit 4 | City of Mt Pleasant - (UT) | Mt Pleasent, UT | PacifiCorp East (PACE) | 2.3 GWh | May 1993 | Oct 2024 | Water |
| Upper Beaver | Beaver City Corporation | Beaver, UT | PacifiCorp East (PACE) | 10.1 GWh | Jul 1907 | Dec 2024 | Water |
| Upper Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 44.9 GWh | Aug 1982 | Dec 2024 | Water |
| US Magnesium | US Magnesium | Rowley, UT | PacifiCorp East (PACE) | 82.3 MWh | Dec 1971 | Sep 2024 | Natural Gas |
| Utah Red Hills Renewable Energy Park | MN8 Energy LLC | Parowan, UT | PacifiCorp East (PACE) | 208.6 GWh | Nov 2015 | Dec 2024 | Solar |
| Underhill | Underhill Solar LLC | Poughkeepsie, NY | New York Independent System Operator (NYIS) | 3.5 GWh | Feb 2019 | Dec 2024 | Solar |
| Union Falls | Union Falls Hydro Power LP | Au Sable Forks, NY | New York Independent System Operator (NYIS) | 11.8 GWh | Dec 1986 | Dec 2024 | Water |
| Unionville Hydro Project 2499 NY | Erie Boulevard Hydropower LP | Norwood, NY | New York Independent System Operator (NYIS) | 13.3 GWh | Jun 1984 | Dec 2024 | Water |
| Union Springs 40 | EF NY CDG 011, LLC | Union Spring, NY | New York Independent System Operator (NYIS) | 8.8 GWh | Jan 2022 | Dec 2024 | Solar |
| Union Springs 963 | EF NY CDG 003, LLC | Union Spring, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Dec 2021 | Dec 2024 | Solar |
| Union Vale | Altus Power America Management, LLC | Lagrangeville, NY | New York Independent System Operator (NYIS) | 1.3 GWh | Jul 2021 | Dec 2024 | Solar |
| Ulster County Solar | Ulster Solar LLC | Kingston, NY | New York Independent System Operator (NYIS) | 1.6 GWh | Apr 2018 | Dec 2024 | Solar |
| US Gypsum Oakfield | U S Gypsum Co | Oakfield, NY | New York Independent System Operator (NYIS) | 1.3 GWh | Mar 1986 | Dec 2024 | Natural Gas |
| Upper Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 6.0 GWh | Dec 1984 | Dec 2024 | Water |
| Upper Mechanicville | New York State Elec & Gas Corp | Town of Stillwater, NY | New York Independent System Operator (NYIS) | 78.7 GWh | Aug 1983 | Dec 2024 | Water |
| University of Rochester | University of Rochester | Rochester, NY | New York Independent System Operator (NYIS) | 24.7 GWh | Sep 2005 | Nov 2024 | Natural Gas |
| Upper Newton Falls | Erie Boulevard Hydropower LP | Newton Falls, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Dec 1926 | Dec 2024 | Water |
| UW Parkside | Wisconsin Electric Power Co | Kenosha, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Oct 2020 | Dec 2024 | Solar |
| USS Cosmo Solar LLC (CSG) | United States Solar Corporation | Danube, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Nov 2023 | Dec 2024 | Solar |
| USS Brockway Solar CSG | United States Solar Corporation | Sartell, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Dec 2018 | Dec 2024 | Solar |
| USS Buckaroo Solar LLC CSG | Standard Solar | Glydon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Sep 2020 | Dec 2024 | Solar |
| USS Bush Solar LLC CSG | United States Solar Corporation | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Sep 2020 | Dec 2024 | Solar |
| USS Eggo Solar CSG | Standard Solar | Cologne, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | May 2019 | Dec 2024 | Solar |
| USS Horne North Solar LLC CSG | Standard Solar | Felton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Sep 2020 | Dec 2024 | Solar |
| USS Haven Solar LLC CSG | Standard Solar | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Oct 2019 | Dec 2024 | Solar |
| USS Hancock Solar LLC CSG | United States Solar Corporation | Cologne, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Dec 2020 | Dec 2024 | Solar |
| USS Greenhouse Solar LLC CSG | Standard Solar | Pine Island, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 GWh | Nov 2019 | Dec 2024 | Solar |
| USS Good Solar CSG | United States Solar Corporation | Stacy, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Nov 2018 | Dec 2024 | Solar |
| USS Golly Gee Solar LLC | United States Solar Corporation | Clear Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Jun 2023 | Dec 2024 | Solar |
| Ubly | Thumb Electric Coop of Mich | Ubly, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.8 MWh | May 1938 | Dec 2024 | Distillate Fuel Oil : 63.3% Natural Gas : 36.7% |
| USS Franklin Solar LLC | United States Solar Corporation | Franklin, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2022 | Dec 2024 | Solar |
| USS Foley Solar LLC | United States Solar Corporation | Foley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Jun 2022 | Dec 2024 | Solar |
| USS Flower Solar LLC CSG | Standard Solar | Nicollet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Aug 2020 | Dec 2024 | Solar |
| USS Fair Park Solar LLC (CSG) | United States Solar Corporation | Faribault, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2023 | Dec 2024 | Solar |
| USS Wonder Solar LLC | United States Solar Corporation | Bird Island, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jun 2023 | Dec 2024 | Solar |
| USS Christoffer Solar LLC CSG | Standard Solar | Montevideo, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Aug 2020 | Dec 2024 | Solar |
| USS Cheyenne Solar LLC CSG | Standard Solar | Chisago City, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Nov 2019 | Dec 2024 | Solar |
| Union Garden | Excelsior Energy Capital | Northfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Feb 2021 | Dec 2024 | Solar |
| USS Centerfield Solar CSG | Standard Solar | Webster, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Oct 2019 | Dec 2024 | Solar |
| USS Wells Creek Solar LLC | United States Solar Corporation | Goodhue, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2022 | Dec 2024 | Solar |
| USS Kass Solar LLC | Standard Solar | Garvin, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Dec 2020 | Dec 2024 | Solar |
| USS Westeros Solar LLC CSG | Standard Solar | Belle Plaine, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | May 2020 | Dec 2024 | Solar |
| USS Kasch Solar CSG | United States Solar Corporation | Sauk Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Sep 2018 | Dec 2024 | Solar |
| Ursa Community Solar | Ursa Community Solar | Farmington, MN | Midcontinent Independent System Operator, Inc. (MISO) | 7.9 GWh | Dec 2016 | Dec 2024 | Solar |
| USS White Cloud LLC CSG | Standard Solar | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Oct 2019 | Dec 2024 | Solar |
| USS JJ Solar CSG | United States Solar Corporation | Sauk Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2018 | Dec 2024 | Solar |
| USS Wildcat Solar LLC | United States Solar Corporation | Goodhue, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Oct 2021 | Dec 2024 | Solar |
| USS JJ Clay Solar LLC CSG | Standard Solar | Felton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2020 | Dec 2024 | Solar |
| USS Bluff Country Solar CSG | United States Solar Corporation | Altura, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2020 | Dec 2024 | Solar |
| USS Jayhawk Solar LLC (CSG) | United States Solar Corporation | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2023 | Dec 2024 | Solar |
| USS Wolf Solar LLC | United States Solar Corporation | Wood Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jun 2023 | Dec 2024 | Solar |
| USS Itasca Clean Energy Solar LLC | United States Solar Corporation | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Jul 2022 | Dec 2024 | Solar |
| USS Hubers Solar LLC CSG | United States Solar Corporation | Northfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Dec 2020 | Dec 2024 | Solar |
| USG Paper, LLC - Orange Mill | USG Paper LLC | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 238.6 GWh | Oct 1967 | Dec 2023 | Black Liquor : 59.3% Wood/Wood Waste Solids : 39.8% Tire-derived Fuels : 0.9% |
| USS Horne South Solar LLC CSG | Standard Solar | Felton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2020 | Dec 2024 | Solar |
| USS All In Solar LLC CSG | Standard Solar | Hartland, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2020 | Dec 2024 | Solar |
| USS B&B Solar LLC CSG | Standard Solar | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Aug 2020 | Dec 2024 | Solar |
| USS Big Lake 1 Solar CSG | United States Solar Corporation | Big Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2018 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |