Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Univ of Massachusetts Medical Center | University of Massachusetts Medical | Worcester, MA | ISO New England (ISNE) | 68.1 GWh | Mar 1974 | Dec 2023 | Natural Gas : 97.4% Residual Fuel Oil : 2.4% |
| UI RCP Woodbridge FC | United Illuminating Co | Woodbridge, CT | ISO New England (ISNE) | 16.5 GWh | Nov 2016 | Dec 2023 | Natural Gas |
| USS Wolf Solar LLC | United States Solar Corporation | Wood Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Jun 2023 | Dec 2023 | Solar |
| University Solar, LLC | AES Distributed Energy | West Greenwich, RI | ISO New England (ISNE) | 27.2 GWh | Nov 2019 | Mar 2025 | Solar |
| USS Centerfield Solar CSG | Standard Solar | Webster, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Oct 2019 | Dec 2023 | Solar |
| USS Webster Solar CSG | Standard Solar | Webster, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Apr 2019 | Dec 2023 | Solar |
| USS Water Town Solar LLC CSG | United States Solar Corporation | Waterville, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Oct 2021 | Dec 2023 | Solar |
| USS Water City Solar LLC CSG | United States Solar Corporation | Waterville, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Sep 2021 | Dec 2023 | Solar |
| US GSA Heating and Transmission | US GSA Heating and Transmission | Washington, DC | PJM Interconnection, LLC (PJM) | 43.1 GWh | Jun 2004 | Mar 2025 | Natural Gas |
| USS DVL Solar CSG | Standard Solar | Waconia, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Jul 2019 | Dec 2023 | Solar |
| USS King 2 CSG | Standard Solar | Waconia, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jul 2019 | Dec 2023 | Solar |
| Upton Community Solar | Upton Solar, LLC | Upton, MA | ISO New England (ISNE) | 3.2 GWh | Aug 2017 | Dec 2023 | Solar |
| Upper Marlboro 1 CSG | Nautilus Solar Solutions | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Nov 2019 | Dec 2023 | Solar |
| Upper Kalskag | Alaska Village Elec Coop, Inc | Upper Kalskag, AK | 1.5 GWh | Nov 2004 | Dec 2023 | Distillate Fuel Oil | |
| University Park South | University Park Energy LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 83.4 GWh | May 2001 | Dec 2023 | Natural Gas |
| University Park North | LSP University Park LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 208.2 GWh | May 2002 | Dec 2023 | Natural Gas |
| Unity Solar | Madison Energy Holdings LLC | Unity, ME | ISO New England (ISNE) | 7.3 GWh | Nov 2021 | Dec 2023 | Solar |
| Unionville City of | City of Unionville - (MO) | Unionville, MO | Associated Electric Cooperative, Inc. (AECI) | 11.0 MWh | Dec 1934 | Dec 2023 | Distillate Fuel Oil |
| Unionville | Associated Electric Coop, Inc | Unionville, MO | Associated Electric Cooperative, Inc. (AECI) | 240.0 MWh | May 1976 | Dec 2023 | Distillate Fuel Oil |
| Union Springs 963 | EF NY CDG 003, LLC | Union Spring, NY | New York Independent System Operator (NYIS) | 8.3 GWh | Dec 2021 | Dec 2023 | Solar |
| Union Springs 40 | EF NY CDG 011, LLC | Union Spring, NY | New York Independent System Operator (NYIS) | 8.5 GWh | Jan 2022 | Dec 2023 | Solar |
| Union Bridge Solar | Citizens Enterprises Corporation | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 12.3 GWh | Mar 2022 | Dec 2023 | Solar |
| Unalaska Power Module | City of Unalaska - (AK) | Unalaska, AK | 33.0 MWh | Oct 1993 | Dec 2023 | Distillate Fuel Oil | |
| Unalakleet | Unalakleet Valley Elec Coop | Unalakleet, AK | 3.0 GWh | Apr 2010 | Dec 2023 | Distillate Fuel Oil | |
| Ubly | Thumb Electric Coop of Mich | Ubly, MI | Midcontinent Independent System Operator, Inc. (MISO) | 16.7 MWh | May 1938 | Dec 2023 | Distillate Fuel Oil : 77.3% Natural Gas : 22.7% |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 403.0 MWh | Nov 2010 | Dec 2023 | Solar |
| Upper Mechanicville | New York State Elec & Gas Corp | Town of Stillwater, NY | New York Independent System Operator (NYIS) | 79.6 GWh | Aug 1983 | Dec 2023 | Water |
| Upson Rocky Creek Solar Plant | Axium US Solar Holdings LLC | Thomaston, GA | Southern Company Services, Inc. - Trans (SOCO) | 1.1 GWh | May 2012 | Dec 2023 | Solar |
| Upson County GA S1 LLC | SolRiver Capital LLC | Thomaston, GA | Southern Company Services, Inc. - Trans (SOCO) | 5.1 GWh | Mar 2023 | Dec 2023 | Solar |
| USS Sunrise Solar LLC CSG | Standard Solar | Taylors Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | May 2020 | Dec 2023 | Solar |
| USS Sycamore Solar (CSG) | Standard Solar | Sycamore, IL | PJM Interconnection, LLC (PJM) | 4.1 GWh | Apr 2022 | Dec 2023 | Solar |
| UCONN Cogen Facility | University of Connecticut | Storrs, CT | ISO New England (ISNE) | 123.5 GWh | Feb 2006 | Mar 2025 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
| University of the Pacific | The Greater Light USA LLC | Stockton, CA | California Independent System Operator (CISO) | 6.2 GWh | Apr 2022 | Dec 2023 | Solar |
| USS Verbena Solar LLC | United States Solar Corporation | Stewart, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2022 | Dec 2023 | Solar |
| University Park Solar | SS PA II PSU LLC | State College, PA | PJM Interconnection, LLC (PJM) | 2.2 GWh | Nov 2018 | Dec 2023 | Solar |
| USS Solar Brick | Standard Solar | Standard City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | May 2021 | Dec 2023 | Solar |
| USS Rockpoint Solar CSG | United States Solar Corporation | Stacy, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Nov 2018 | Dec 2023 | Solar |
| USS Good Solar CSG | United States Solar Corporation | Stacy, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2018 | Dec 2023 | Solar |
| USS White Cloud LLC CSG | Standard Solar | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Oct 2019 | Dec 2023 | Solar |
| USS Haven Solar LLC CSG | Standard Solar | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Oct 2019 | Dec 2023 | Solar |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 59.9 GWh | Mar 1922 | Dec 2023 | Water |
| Upriver Dam Hydro Plant | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 36.8 GWh | Dec 1935 | Dec 2023 | Water |
| Upland Prairie | Interstate Power and Light Co | Spencer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Feb 2019 | Mar 2025 | Wind |
| USS Water Fowl Solar LLC CSG | United States Solar Corporation | Silver Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 875.0 MWh | Aug 2022 | Dec 2023 | Solar |
| University of Washington Power Plant | University of Washington | Seattle, WA | Seattle City Light (SCL) | 6.2 GWh | Dec 1968 | Mar 2025 | Natural Gas : 97.8% Distillate Fuel Oil : 2.2% |
| Union Carbide Seadrift Cogen | Union Carbide Corp-Seadrift | Seadrift, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 574.6 GWh | Dec 1963 | Dec 2023 | Natural Gas : 95.6% Other Gas : 4.4% |
| USS Solar Sources LLC CSG | Standard Solar | Scandia, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Sep 2020 | Dec 2023 | Solar |
| USS Mayhew Solar LLC CSG | Standard Solar | Sauk Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | May 2020 | Dec 2023 | Solar |
| USS Solar Rapids CSG | United States Solar Corporation | Sauk Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2018 | Dec 2023 | Solar |
| USS Kasch Solar CSG | United States Solar Corporation | Sauk Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2018 | Dec 2023 | Solar |
| USS JJ Solar CSG | United States Solar Corporation | Sauk Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Dec 2018 | Dec 2023 | Solar |
| USS Reindeer Solar LLC CSG | United States Solar Corporation | Sauk Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2020 | Dec 2023 | Solar |
| USS Brockway Solar CSG | United States Solar Corporation | Sartell, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2018 | Dec 2023 | Solar |
| University of California Santa Cruz | University of California Santa Cruz | Santa Cruz, CA | California Independent System Operator (CISO) | 35.9 GWh | Aug 2013 | Dec 2023 | Natural Gas : 90.8% Solar : 9.2% |
| University of San Diego | Bloom Energy 2009 PPA | San Diego, CA | California Independent System Operator (CISO) | 6.2 GWh | Nov 2016 | Dec 2023 | Natural Gas |
| US GSA - Sacramento | Tesla Inc. | Sacramento, CA | Balancing Authority of Northern California (BANC) | 2.2 GWh | Feb 2018 | Dec 2023 | Solar |
| Upper Blackstone (MA) Treasure Valley | Nexamp Treasure Valley Solar, LLC | Rutland, MA | ISO New England (ISNE) | 6.9 GWh | Jun 2014 | Dec 2023 | Solar |
| US Magnesium | US Magnesium | Rowley, UT | PacifiCorp East (PACE) | 82.3 MWh | Dec 1971 | Sep 2024 | Natural Gas |
| Upper Sterling | City of Rock Falls - (IL) | Rock Falls, IL | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | May 1988 | Dec 2023 | Water |
| University of Rochester | University of Rochester | Rochester, NY | New York Independent System Operator (NYIS) | 32.5 GWh | Sep 2005 | Dec 2023 | Natural Gas |
| Unbridled Solar | National Grid Renewables | Robards, KY | Midcontinent Independent System Operator, Inc. (MISO) | 26.5 GWh | - | Mar 2025 | Solar |
| UC Riverside Lots 30 & 32 | MN8 Energy LLC | Riverside, CA | California Independent System Operator (CISO) | 7.0 GWh | Nov 2017 | Dec 2023 | Solar |
| Union County Resource Recovery | Covanta Union Operations LLC | Rahway, NJ | PJM Interconnection, LLC (PJM) | 302.3 GWh | Jan 1994 | Mar 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| USS Giveback Solar LLC (CSG) | United States Solar Corporation | Pueblo, CO | Public Service Company of Colorado (PSCO) | 60.0 MWh | Nov 2023 | Dec 2023 | Solar |
| UMES (MD) - Princess Anne | NVT LICENSES, LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Jan 2011 | Dec 2023 | Solar |
| Underhill | Underhill Solar LLC | Poughkeepsie, NY | New York Independent System Operator (NYIS) | 3.9 GWh | Feb 2019 | Dec 2023 | Solar |
| UMMS at Pocomoke | Luminace Solar Maryland II, LLC | Pocomoke City, MD | PJM Interconnection, LLC (PJM) | 5.1 GWh | Jan 2013 | Dec 2023 | Solar |
| Uilk Wind LLC | RENEW Energy Inc | Pipestone, MN | Midcontinent Independent System Operator, Inc. (MISO) | 12.3 GWh | Dec 2009 | Dec 2023 | Wind |
| USS Greenhouse Solar LLC CSG | Standard Solar | Pine Island, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 GWh | Nov 2019 | Dec 2023 | Solar |
| US Foods Solar | CD US Solar MT1 LLC | Perth Amboy, NJ | PJM Interconnection, LLC (PJM) | 6.5 GWh | Jul 2012 | Dec 2023 | Solar |
| USS Milkweed Solar LLC CSG | Standard Solar | Paynesville, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | May 2020 | Dec 2023 | Solar |
| Utah Red Hills Renewable Energy Park | MN8 Energy LLC | Parowan, UT | PacifiCorp East (PACE) | 189.8 GWh | Nov 2015 | Dec 2023 | Solar |
| Upper Pacolet Hydro | Lockhart Power Co | Pacolet, SC | Duke Energy Carolinas (DUK) | 3.7 GWh | Jan 2013 | Dec 2023 | Water |
| USS Bush Solar LLC CSG | United States Solar Corporation | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Sep 2020 | Dec 2023 | Solar |
| University of Arizona - Biosphere 2 | University of Arizona - Biosphere 2 | Oracle, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 118.0 MWh | Oct 1990 | Dec 2023 | Natural Gas : 71.2% Distillate Fuel Oil : 28.8% |
| US Gypsum Oakfield | U S Gypsum Co | Oakfield, NY | New York Independent System Operator (NYIS) | 15.8 GWh | Mar 1986 | Dec 2023 | Natural Gas |
| University of Notre Dame | University of Notre Dame | Notre Dame, IN | PJM Interconnection, LLC (PJM) | 92.3 GWh | Jun 1952 | Mar 2025 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Unionville Hydro Project 2499 NY | Erie Boulevard Hydropower LP | Norwood, NY | New York Independent System Operator (NYIS) | 14.9 GWh | Jun 1984 | Dec 2023 | Water |
| USS Hubers Solar LLC CSG | United States Solar Corporation | Northfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Dec 2020 | Dec 2023 | Solar |
| Union Garden | Excelsior Energy Capital | Northfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Feb 2021 | Dec 2023 | Solar |
| USS Kost Trail Solar CSG | Standard Solar | North Branch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | May 2019 | Dec 2023 | Solar |
| USS Solar Dawn CSG | United States Solar Corporation | North Branch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2018 | Dec 2023 | Solar |
| USS Norelius Solar CSG | United States Solar Corporation | North Branch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2018 | Dec 2023 | Solar |
| USS Nillie Corn Solar CSG | United States Solar Corporation | North Branch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2018 | Dec 2023 | Solar |
| USS Dubhe Solar CSG | United States Solar Corporation | North Branch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2018 | Dec 2023 | Solar |
| USS Flower Solar LLC CSG | Standard Solar | Nicollet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Aug 2020 | Dec 2023 | Solar |
| Upper Newton Falls | Erie Boulevard Hydropower LP | Newton Falls, NY | New York Independent System Operator (NYIS) | 7.5 GWh | Dec 1926 | Dec 2023 | Water |
| UI RCP New Haven Fuel Cell | United Illuminating Co | New Haven, CT | ISO New England (ISNE) | 14.4 GWh | Jul 2015 | Mar 2025 | Natural Gas |
| Uintah | Moon Lake Electric Assn Inc | Neola, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.3 GWh | Jun 1920 | Dec 2023 | Water |
| Upstream Wind Energy LLC | Invenergy Services LLC | Neligh, NE | Southwest Power Pool (SWPP) | 803.4 GWh | Nov 2018 | Mar 2025 | Wind |
| Underwood PV2 | Ecoplexus, Inc | Murfreesboro, NC | PJM Interconnection, LLC (PJM) | 27.9 GWh | Sep 2020 | Dec 2023 | Solar |
| Uwharrie Mountain Renewable | Uwharrie Mountain Renewable Energy, LLC | Mt. Gilead, NC | Duke Energy Progress East (CPLE) | 35.2 GWh | Jun 2014 | Dec 2023 | Landfill Gas |
| Unit 4 | City of Mt Pleasant - (UT) | Mt Pleasent, UT | PacifiCorp East (PACE) | 3.2 GWh | May 1993 | Dec 2023 | Water |
| UN-School House LLC | BCD Project Holdings 1, LLC | Morris Township, PA | PJM Interconnection, LLC (PJM) | 31.0 GWh | Dec 2022 | Dec 2023 | Solar |
| USS Dot Com Solar LLC CSG | Standard Solar | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Feb 2021 | Dec 2023 | Solar |
| USS Verde Solar LLC CSG | Standard Solar | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2020 | Dec 2023 | Solar |
| USS Cougar Solar LLC CSG | Standard Solar | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Aug 2020 | Dec 2023 | Solar |
| USS Rosebud Solar LLC | United States Solar Corporation | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.4 GWh | Jul 2022 | Dec 2023 | Solar |
| USS B&B Solar LLC CSG | Standard Solar | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Aug 2020 | Dec 2023 | Solar |
| USS Steamboat Solar LLC CSG | Standard Solar | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Mar 2021 | 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 | 79 | 4,503.48 GWh |
| California | # 5 | 1,565 | 15,306.94 GWh |
| Colorado | # 30 | 257 | 4,337.74 GWh |
| Connecticut | # 31 | 152 | 3,831.37 GWh |
| Delaware | # 50 | 30 | 183.34 GWh |
| District of Columbia | # 51 | 12 | 15.27 GWh |
| Florida | # 3 | 305 | 18,686.61 GWh |
| Georgia | # 9 | 239 | 9,979.52 GWh |
| Hawaii | # 46 | 67 | 749.10 GWh |
| Idaho | # 43 | 126 | 1,488.21 GWh |
| Illinois | # 4 | 332 | 15,592.21 GWh |
| Indiana | # 12 | 201 | 8,849.97 GWh |
| Iowa | # 20 | 279 | 6,323.45 GWh |
| Kansas | # 25 | 157 | 5,176.23 GWh |
| Kentucky | # 24 | 56 | 5,180.56 GWh |
| Louisiana | # 18 | 81 | 6,708.43 GWh |
| Maine | # 45 | 157 | 1,313.29 GWh |
| Maryland | # 39 | 179 | 2,427.73 GWh |
| Massachusetts | # 42 | 597 | 1,608.56 GWh |
| Michigan | # 10 | 263 | 9,898.87 GWh |
| Minnesota | # 26 | 736 | 5,082.27 GWh |
| Mississippi | # 19 | 53 | 6,374.07 GWh |
| Missouri | # 21 | 116 | 5,776.95 GWh |
| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 67 | 2,309.70 GWh |
| Nebraska | # 37 | 117 | 3,008.88 GWh |
| Nevada | # 34 | 109 | 3,381.98 GWh |
| New Hampshire | # 44 | 56 | 1,374.49 GWh |
| New Jersey | # 28 | 371 | 4,514.07 GWh |
| New Mexico | # 35 | 138 | 3,378.20 GWh |
| New York | # 8 | 818 | 10,278.94 GWh |
| North Carolina | # 11 | 877 | 9,080.20 GWh |
| North Dakota | # 33 | 57 | 3,690.67 GWh |
| Ohio | # 6 | 190 | 11,252.37 GWh |
| Oklahoma | # 17 | 129 | 6,972.70 GWh |
| Oregon | # 22 | 254 | 5,543.74 GWh |
| Pennsylvania | # 2 | 237 | 19,658.43 GWh |
| Rhode Island | # 47 | 94 | 622.24 GWh |
| South Carolina | # 14 | 194 | 8,606.12 GWh |
| South Dakota | # 41 | 52 | 1,945.10 GWh |
| Tennessee | # 23 | 85 | 5,241.09 GWh |
| Texas | # 1 | 818 | 43,194.33 GWh |
| Utah | # 36 | 114 | 3,056.84 GWh |
| Vermont | # 49 | 112 | 230.44 GWh |
| Virginia | # 15 | 214 | 8,465.83 GWh |
| Washington | # 13 | 127 | 8,662.62 GWh |
| West Virginia | # 38 | 36 | 2,977.95 GWh |
| Wisconsin | # 27 | 222 | 4,571.79 GWh |
| Wyoming | # 32 | 69 | 3,817.24 GWh |