Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| TWE Myrtle Solar Farm, LLC | Dominion Energy Inc. | Suffolk, VA | PJM Interconnection, LLC (PJM) | 24.7 GWh | May 2020 | Dec 2024 | Solar |
| TWE New Bern Solar Project, LLC | Cypress Creek Renewables | New Bern, NC | Duke Energy Carolinas (DUK) | 6.3 GWh | Jul 2016 | Dec 2024 | Solar |
| Tweite Community Solar LLC | Tweite Community Solar LLC | Byron, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Oct 2020 | Dec 2024 | Solar |
| Twiggs Solar | Onward Energy | Dry Branch, GA | Southern Company Services, Inc. - Trans (SOCO) | 375.3 GWh | Aug 2020 | Sep 2025 | Solar |
| Twin Branch | Indiana Michigan Power Co | Mishawaka, IN | PJM Interconnection, LLC (PJM) | 22.9 GWh | Apr 1989 | Dec 2024 | Water |
| Twin Branch PV | Indiana Michigan Power Co | Mishawaka, IN | PJM Interconnection, LLC (PJM) | 4.5 GWh | Jul 2016 | Sep 2025 | Solar |
| Twin Bridges LFGTE | Wabash Valley Power Assn, Inc | Danville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 6.1 GWh | Sep 1994 | Dec 2023 | Landfill Gas |
| Twin Buttes II Wind | Avangrid Power LLC | Lamar, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 296.2 GWh | Nov 2017 | Sep 2025 | Wind |
| Twin Buttes Wind Project | Avangrid Power LLC | Lamar, CO | Public Service Company of Colorado (PSCO) | 233.0 GWh | Jun 2007 | Dec 2024 | Wind |
| Twin Cities Hydro LLC | Twin Cities Hydro LLC | St. Paul, MN | Midcontinent Independent System Operator, Inc. (MISO) | 89.5 GWh | Sep 1924 | Dec 2024 | Water |
| Twin Falls Hydro | Central Rivers Power US, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 62.9 GWh | Nov 1989 | Dec 2024 | Water |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 101.0 GWh | Feb 1935 | Dec 2024 | Water |
| Twin Falls (WI) | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.7 GWh | Jun 2016 | Dec 2024 | Water |
| Twin Lake Hills LLC | CHI Operations Inc | Lake Benton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Nov 2000 | Dec 2024 | Wind |
| Twin Lakes | Florida Power & Light Co | Interlachen, FL | Florida Power & Light Co. (FPL) | 117.8 GWh | Dec 2019 | Sep 2025 | Solar |
| Twin Lakes Solar LLC | Twin Lakes Solar LLC | Monticello, IN | Midcontinent Independent System Operator, Inc. (MISO) | 308.5 GWh | Nov 2024 | Sep 2025 | Solar |
| Twin Reservoirs | Walla Walla City of | Walla Walla, WA | Bonneville Power Administration (BPAT) | 7.3 GWh | Mar 1988 | Dec 2024 | Water |
| Twin Ridges Wind Farm | Exus Pennsylvania Wind Holdings | Meyersdale, PA | PJM Interconnection, LLC (PJM) | 273.9 GWh | Nov 2012 | Dec 2024 | Wind |
| Twin Rivers Paper Co LLC | Twin Rivers Paper Co LLC | Madawaska, ME | (NBSO) | 99.1 GWh | Apr 1987 | Sep 2025 | Purchased Steam |
| Twin Rivers Solar Power Plant | Duke Energy Florida, LLC | Jasper, FL | Duke Energy Florida, Inc. (FPC) | 166.2 GWh | Feb 2021 | Sep 2025 | Solar |
| Twiss Street Solar | Citizens Enterprises Corporation | Westfield, MA | ISO New England (ISNE) | 2.2 GWh | Dec 2014 | Dec 2024 | Solar |
| Twittys Creek Solar, LLC | Cardinal Renewables | Keysville, VA | PJM Interconnection, LLC (PJM) | 24.0 GWh | Nov 2020 | Dec 2024 | Solar |
| Two Creeks Solar | Wisconsin Public Service Corp | Two Rivers, WI | Midcontinent Independent System Operator, Inc. (MISO) | 194.5 GWh | Oct 2020 | Sep 2025 | Solar |
| Two Dot Wind Broadview East LLC | Two Dot Wind Broadview East LLC | Broadview, MT | NorthWestern Corporation (NWMT) | 4.2 GWh | Sep 2018 | Dec 2023 | Wind |
| Two Dot Wind Farm | NorthWestern Energy (MT wind/thermal) | Two Dot, MT | NorthWestern Corporation (NWMT) | 34.8 GWh | May 2014 | Dec 2024 | Wind |
| Two Lines Farm | Strata Manager, LLC | Hickory, NC | Duke Energy Carolinas (DUK) | 8.7 GWh | Feb 2013 | Dec 2024 | Solar |
| Two Mile Desert Project | Citizens Enterprises Corporation | Hertford, NC | PJM Interconnection, LLC (PJM) | 28.1 GWh | May 2019 | Dec 2024 | Solar |
| Two Mile Solar | Cypress Creek Renewables | Winfall, NC | PJM Interconnection, LLC (PJM) | 8.8 GWh | May 2015 | Dec 2024 | Solar |
| Two Pine Landfill Gas Recovery | WM Renewable Energy LLC | North Little Rock, AR | Midcontinent Independent System Operator, Inc. (MISO) | 27.2 GWh | Sep 2006 | Dec 2024 | Landfill Gas |
| Two Ponds Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 63.9 GWh | Nov 2012 | Dec 2024 | Wind |
| TX Hereford Wind | Boralex US Operations LLC | Hereford, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 578.1 GWh | Nov 2014 | Sep 2025 | Wind |
| TX Houston 7080 Express Lane | Catalyze Houston Express Lane Microgrid, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.0 MWh | - | Jun 2024 | Solar |
| TX Jumbo Road Wind | TX Jumbo Road Wind, LLC | Hereford, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 790.7 GWh | Mar 2015 | Sep 2025 | Wind |
| Ty Cooke | City of Lubbock - (TX) | Lubbock, TX | Southwest Power Pool (SWPP) | 3.7 GWh | May 1965 | Dec 2023 | Natural Gas |
| Tyee Lake Hydroelectric Facility | Southeast Alaska Power Agency | Wrangell, AK | (NA) | 126.0 GWh | Jun 1983 | Dec 2024 | Water |
| Tyler Bluff Wind Project, LLC | Southern Power Co | Muenster, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 350.4 GWh | Nov 2016 | Sep 2025 | Wind |
| Tyngsborough Solar | Citizens Enterprises Corporation | Tyngsborough, MA | ISO New England (ISNE) | 4.0 GWh | Dec 2016 | Dec 2024 | Solar |
| Tyto Solar | Madison Gas & Electric Co | Fitchburg, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.8 GWh | Jan 2024 | 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% |
| UA Central Utility Plant | University Of Arkansas | Fayetteville, AR | Southwest Power Pool (SWPP) | 33.4 GWh | Jan 2016 | Dec 2024 | Natural Gas |
| UADA | Entegrity Solar UA AG, LLC | Nashville, AR | Southwest Power Pool (SWPP) | 5.9 GWh | Apr 2023 | Dec 2024 | Solar |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 GWh | Nov 2010 | Dec 2024 | Solar |
| UB Fuel Cell | UB Fuel Cell | Bridgeport, CT | ISO New England (ISNE) | 10.5 GWh | Mar 2015 | Dec 2023 | Natural Gas |
| 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% |
| UC Davis South Campus | Solar Star California XXXII, LLC | Davis, CA | California Independent System Operator (CISO) | 17.4 GWh | Feb 2015 | Dec 2024 | Solar |
| UC Merced Solar Hybrid | MN8 Energy LLC | Merced, CA | California Independent System Operator (CISO) | 6.5 GWh | Nov 2018 | Dec 2024 | Solar |
| UC Riverside Lots 30 & 32 | MN8 Energy LLC | Riverside, CA | California Independent System Operator (CISO) | 7.0 GWh | Nov 2017 | Dec 2024 | Solar |
| UCI Facilities Management Central Plant | University of California Irvine | Irvine, CA | California Independent System Operator (CISO) | 112.6 GWh | Jun 2007 | Sep 2025 | Natural Gas |
| UCLA So Campus Cogen Project | University of California-LA | Los Angeles, CA | Los Angeles Department of Water and Power (LDWP) | 179.0 GWh | Sep 1993 | Sep 2025 | Natural Gas |
| UCONN Cogen Facility | University of Connecticut | Storrs, CT | ISO New England (ISNE) | 123.8 GWh | Feb 2006 | Sep 2025 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
| UDR Glastonbury Fuel Cell | UIL Distributed Resources, LLC | Glastonbury, CT | ISO New England (ISNE) | 17.7 GWh | Jan 2016 | Dec 2024 | Natural Gas |
| UI RCP Bridgeport Seaside | United Illuminating Co | Bridgeport, CT | ISO New England (ISNE) | 20.6 GWh | Oct 2015 | Sep 2025 | Natural Gas : 84.6% Solar : 15.4% |
| UI RCP New Haven Fuel Cell | United Illuminating Co | New Haven, CT | ISO New England (ISNE) | 13.0 GWh | Jul 2015 | Sep 2025 | Natural Gas |
| UI RCP Woodbridge FC | United Illuminating Co | Woodbridge, CT | ISO New England (ISNE) | 17.7 GWh | Nov 2016 | Dec 2024 | Natural Gas |
| Uilk Wind LLC | RENEW Energy Inc | Pipestone, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.6 GWh | Dec 2009 | Dec 2024 | Wind |
| Uintah | Moon Lake Electric Assn Inc | Neola, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.7 GWh | Jun 1920 | Dec 2024 | Water |
| 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 |
| Ulster County Solar | Ulster Solar LLC | Kingston, NY | New York Independent System Operator (NYIS) | 1.6 GWh | Apr 2018 | Dec 2024 | Solar |
| UMASS | Consolidated Edison Development Inc. | Amherst, MA | ISO New England (ISNE) | 5.6 GWh | Sep 2016 | Dec 2024 | Solar |
| UMass Boston | MSS Energy Holdings, LLC (d.b.a. Calibrant Energy) | Dorchester, MA | ISO New England (ISNE) | 1.1 GWh | Dec 1971 | Dec 2024 | Solar |
| UMass PV Lot 22 | Consolidated Edison Development Inc. | Amherst, MA | ISO New England (ISNE) | 3.2 GWh | Aug 2022 | Dec 2024 | Solar |
| Umbriel Solar | Umbriel Solar, LLC | Livington, TX | Midcontinent Independent System Operator, Inc. (MISO) | 321.1 GWh | Sep 2023 | Sep 2025 | Solar |
| UMCES Ground Mount | Standard Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Jan 2018 | 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% |
| UMES (MD) - Princess Anne | NVT LICENSES, LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Jan 2011 | Dec 2024 | Solar |
| UMM Wind Turbine | University of Minnesota Morris Campus | Morris, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | May 2011 | Dec 2024 | Wind |
| UMMS at Pocomoke | Luminace Solar Maryland II, LLC | Pocomoke City, MD | PJM Interconnection, LLC (PJM) | 5.2 GWh | Jan 2013 | 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 |
| Unalakleet | Unalakleet Valley Elec Coop | Unalakleet, AK | 3.7 GWh | Apr 2010 | Dec 2024 | Distillate Fuel Oil | |
| Unalaska Power Module | City of Unalaska - (AK) | Unalaska, AK | 33.0 MWh | Oct 1993 | Dec 2023 | Distillate Fuel Oil | |
| Unbridled Solar | National Grid Renewables | Robards, KY | Midcontinent Independent System Operator, Inc. (MISO) | 232.4 GWh | - | Sep 2025 | Solar |
| Underhill | Underhill Solar LLC | Poughkeepsie, NY | New York Independent System Operator (NYIS) | 3.5 GWh | Feb 2019 | Dec 2024 | Solar |
| Underwood PV2 | Ecoplexus, Inc | Murfreesboro, NC | PJM Interconnection, LLC (PJM) | 30.0 GWh | Sep 2020 | Dec 2024 | Solar |
| UNH 7.9 MW Plant | Emcor Energy Services | Durham, NH | ISO New England (ISNE) | 55.2 GWh | Aug 2006 | Sep 2025 | Landfill Gas : 73.7% Natural Gas : 25.4% Distillate Fuel Oil : 0.9% |
| Union Bridge Solar | Citizens Enterprises Corporation | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 12.3 GWh | Mar 2022 | Dec 2024 | Solar |
| Union Carbide Seadrift Cogen | Union Carbide Corp-Seadrift | Seadrift, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 638.9 GWh | Dec 1963 | Dec 2024 | Natural Gas : 92.1% Other Gas : 7.9% |
| 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% |
| 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 |
| Union Garden | Excelsior Energy Capital | Northfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Feb 2021 | Dec 2024 | Solar |
| Union HS at Casa Grande | Luminace Solar Holding, LLC | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 2.9 GWh | Nov 2012 | Dec 2024 | Solar |
| Union Power Station | Entergy Arkansas LLC | El Dorado, AR | Midcontinent Independent System Operator, Inc. (MISO) | 9.3 TWh | Dec 2002 | Sep 2025 | Natural Gas |
| Union Renewable Energy Facility | Lockhart Power Co | Enoree, SC | Duke Energy Carolinas (DUK) | 19.0 GWh | Dec 2014 | Dec 2024 | Landfill Gas |
| 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 Springs Solar Center | Florida Power & Light Co | Lake Butler, FL | Florida Power & Light Co. (FPL) | 146.3 GWh | Nov 2020 | Sep 2025 | Solar |
| Union Vale | Altus Power America Management, LLC | Lagrangeville, NY | New York Independent System Operator (NYIS) | 1.3 GWh | Jul 2021 | Dec 2024 | Solar |
| Union Valley | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 76.5 GWh | Sep 1963 | Dec 2024 | Water |
| Unionville | Associated Electric Coop, Inc | Unionville, MO | Associated Electric Cooperative, Inc. (AECI) | 479.0 MWh | May 1976 | Dec 2024 | Distillate Fuel Oil |
| Unionville City of | City of Unionville - (MO) | Unionville, MO | Associated Electric Cooperative, Inc. (AECI) | 1.0 MWh | Dec 1934 | Dec 2024 | Distillate Fuel Oil |
| 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 |
| Unisea G 2 | Unisea Inc | Dutch Harbor, AK | 32.0 GWh | Jul 1990 | Dec 2024 | Distillate Fuel Oil : 99.3% Other Biomass Liquids : 0.7% | |
| Unit 4 | City of Mt Pleasant - (UT) | Mt Pleasent, UT | PacifiCorp East (PACE) | 2.3 GWh | May 1993 | Oct 2024 | Water |
| United Stationers Supply Solar Electric | CVI CleanCapital Solar 4 LLC | Cranbury, NJ | PJM Interconnection, LLC (PJM) | 2.9 GWh | Nov 2011 | Dec 2024 | Solar |
| Unity Solar | Madison Energy Holdings LLC | Unity, ME | ISO New England (ISNE) | 7.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Univ Minnesota CHP Plant | University of Minnesota Central Utilities | Minneapolis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 166.3 GWh | Oct 2017 | Dec 2024 | Natural Gas : 99.9% |
| Univ of California San Diego Solar | University of California San Diego | La Jolla, CA | California Independent System Operator (CISO) | 2.1 GWh | Nov 2008 | Dec 2024 | Solar |
| Univ of Massachusetts Medical Center | University of Massachusetts Medical | Worcester, MA | ISO New England (ISNE) | 68.7 GWh | Mar 1974 | Dec 2024 | Natural Gas : 99.2% Distillate Fuel Oil : 0.7% |
| Univ of NC Chapel Hill Cogen Facility | University of North Carolina | Chapel Hill, NC | Duke Energy Carolinas (DUK) | 54.3 GWh | Jun 1991 | Sep 2025 | Bituminous Coal : 55.6% Natural Gas : 44.4% |
| Univ of Oregon Central Power Station | University of Oregon | Eugene, OR | Bonneville Power Administration (BPAT) | 936.8 MWh | Aug 2009 | Dec 2024 | Natural Gas : 80.2% Distillate Fuel Oil : 19.8% |
| Univ of San Francisco Cogen | University of San Francisco | San Francisco, CA | California Independent System Operator (CISO) | 5.2 GWh | Aug 1987 | Dec 2024 | Natural Gas |
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 |