Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 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% | |
| Unalakleet | Unalakleet Valley Elec Coop | Unalakleet, AK | 3.7 GWh | Apr 2010 | Dec 2024 | Distillate Fuel Oil | |
| Utility Plants Section | Doyon Utilities - Ft. Wainwright | Fort Wainwright, AK | 66.4 GWh | Dec 1954 | Dec 2024 | Subbituminous Coal | |
| University of Alaska Fairbanks | University of Alaska | Fairbanks, AK | 58.2 GWh | Dec 1963 | Mar 2026 | Subbituminous Coal : 94.1% Distillate Fuel Oil : 5.0% Natural Gas : 0.9% | |
| Upper Kalskag | Alaska Village Elec Coop, Inc | Upper Kalskag, AK | 1.4 GWh | Nov 2004 | Dec 2024 | Distillate Fuel Oil | |
| 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 |
| 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 |
| Upriver Dam Hydro Plant | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 48.4 GWh | Dec 1935 | Dec 2024 | Water |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 59.9 GWh | Mar 1922 | Dec 2024 | Water |
| US GSA - Sacramento | Tesla Inc. | Sacramento, CA | Balancing Authority of Northern California (BANC) | 2.0 GWh | Feb 2018 | 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 |
| 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% |
| UC Riverside Lots 30 & 32 | MN8 Energy LLC | Riverside, CA | California Independent System Operator (CISO) | 7.0 GWh | Nov 2017 | Dec 2024 | Solar |
| 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 |
| USPS PV | Altus Power America Management, LLC | Los Angeles, CA | California Independent System Operator (CISO) | 10.1 GWh | Jun 2017 | Dec 2024 | Solar |
| 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 |
| US-TOPCO (Soccer Center) | Tesla Inc. | Lancaster, CA | California Independent System Operator (CISO) | 7.0 GWh | Nov 2016 | Dec 2024 | Solar |
| University of California San Diego Hybri | University of California San Diego | La Jolla, CA | California Independent System Operator (CISO) | 210.3 GWh | Jun 2001 | Mar 2026 | Natural Gas |
| University of California Santa Cruz | University of California Santa Cruz | Santa Cruz, CA | California Independent System Operator (CISO) | 35.2 GWh | Aug 2013 | Dec 2024 | Natural Gas : 91.7% Solar : 8.3% |
| University of San Diego | Bloom Energy 2009 PPA | San Diego, CA | California Independent System Operator (CISO) | 8.2 GWh | Nov 2016 | Dec 2024 | Natural Gas |
| University of the Pacific | The Greater Light USA LLC | Stockton, CA | California Independent System Operator (CISO) | 6.5 GWh | Apr 2022 | Dec 2024 | Solar |
| UC Davis South Campus | Solar Star California XXXII, LLC | Davis, CA | California Independent System Operator (CISO) | 17.4 GWh | Feb 2015 | Dec 2024 | Solar |
| US Borax | U S Borax Inc | Boron, CA | California Independent System Operator (CISO) | 258.3 GWh | Jun 1984 | Mar 2026 | Natural Gas |
| UCI Facilities Management Central Plant | University of California Irvine | Irvine, CA | California Independent System Operator (CISO) | 113.2 GWh | Jun 2007 | Mar 2026 | Natural Gas |
| UC Merced Solar Hybrid | MN8 Energy LLC | Merced, CA | California Independent System Operator (CISO) | 6.5 GWh | Nov 2018 | Dec 2024 | Solar |
| Urquhart | Dominion Energy South Carolina, Inc | Beech Island, SC | Dominion Energy South Carolina, Inc. (SCEG) | 1.7 TWh | Nov 1953 | Mar 2026 | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| Upper Pacolet Hydro | Lockhart Power Co | Pacolet, SC | Duke Energy Carolinas (DUK) | 4.0 GWh | Jan 2013 | Dec 2024 | Water |
| Union Renewable Energy Facility | Lockhart Power Co | Enoree, SC | Duke Energy Carolinas (DUK) | 19.0 GWh | Dec 2014 | Dec 2024 | Landfill Gas |
| Univ of NC Chapel Hill Cogen Facility | University of North Carolina | Chapel Hill, NC | Duke Energy Carolinas (DUK) | 57.0 GWh | Jun 1991 | Mar 2026 | Natural Gas : 55.7% Bituminous Coal : 44.3% |
| University of Florida | Duke Energy Florida, LLC | Gainesville, FL | Duke Energy Florida, Inc. (FPC) | 379.0 GWh | Dec 1993 | Dec 2024 | Natural Gas |
| Uwharrie Mountain Renewable | Uwharrie Mountain Renewable Energy, LLC | Mt. Gilead, NC | Duke Energy Progress East (CPLE) | 32.1 GWh | Jun 2014 | Dec 2024 | Landfill Gas |
| Upchurch Solar Center LLC | Cypress Creek Renewables | Elm City, NC | Duke Energy Progress East (CPLE) | 8.0 GWh | Nov 2014 | 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% |
| Upton County Solar | Consolidated Edison Development Inc. | McCamey, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 283.0 GWh | Nov 2017 | Mar 2026 | Solar |
| Union Springs Solar Center | Florida Power & Light Co | Lake Butler, FL | Florida Power & Light Co. (FPL) | 148.6 GWh | Nov 2020 | Mar 2026 | Solar |
| Upper Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 58.3 GWh | May 1948 | Dec 2024 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 108.0 GWh | Aug 1937 | Dec 2024 | Water |
| Upper Salmon B | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 102.3 GWh | Aug 1947 | Dec 2024 | Water |
| USG 1 | ZGlobal Inc | El Centro, CA | Imperial Irrigation District (IID) | 3.0 GWh | Mar 2014 | Dec 2024 | Solar |
| USG 2 | ZGlobal Inc | El Centro, CA | Imperial Irrigation District (IID) | 2.0 GWh | Nov 2015 | 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% |
| 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 |
| UCONN Cogen Facility | University of Connecticut | Storrs, CT | ISO New England (ISNE) | 111.0 GWh | Feb 2006 | Mar 2026 | Natural Gas : 95.1% Distillate Fuel Oil : 4.9% |
| Upper Blackstone (MA) Treasure Valley | Nexamp Treasure Valley Solar, LLC | Rutland, MA | ISO New England (ISNE) | 7.3 GWh | Jun 2014 | Dec 2024 | Solar |
| 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) | 18.0 GWh | Oct 2015 | Mar 2026 | Natural Gas : 85.2% Solar : 14.8% |
| Upton Community Solar | Upton Solar, LLC | Upton, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2017 | Dec 2024 | Solar |
| Upper Barker | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 4.7 GWh | Apr 1987 | Dec 2024 | Water |
| UI RCP New Haven Fuel Cell | United Illuminating Co | New Haven, CT | ISO New England (ISNE) | 19.3 GWh | Jul 2015 | Mar 2026 | Natural Gas |
| UMASS | Consolidated Edison Development Inc. | Amherst, MA | ISO New England (ISNE) | 5.6 GWh | Sep 2016 | Dec 2024 | Solar |
| University Solar, LLC | AES Distributed Energy | West Greenwich, RI | ISO New England (ISNE) | 26.2 GWh | Nov 2019 | Mar 2026 | Solar |
| UI RCP Woodbridge FC | United Illuminating Co | Woodbridge, CT | ISO New England (ISNE) | 17.7 GWh | Nov 2016 | Dec 2024 | Natural Gas |
| UMass PV Lot 22 | Consolidated Edison Development Inc. | Amherst, MA | ISO New England (ISNE) | 3.2 GWh | Aug 2022 | Dec 2024 | Solar |
| Unity Solar | Madison Energy Holdings LLC | Unity, ME | ISO New England (ISNE) | 7.7 GWh | Nov 2021 | Dec 2024 | Solar |
| UNH 7.9 MW Plant | Emcor Energy Services | Durham, NH | ISO New England (ISNE) | 53.7 GWh | Aug 2006 | Mar 2026 | Landfill Gas : 63.7% Natural Gas : 33.5% Distillate Fuel Oil : 2.9% |
| UCLA So Campus Cogen Project | University of California-LA | Los Angeles, CA | Los Angeles Department of Water and Power (LDWP) | 237.7 GWh | Sep 1993 | Mar 2026 | Natural Gas |
| Upper Gorge | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 99.9 GWh | May 1953 | Dec 2024 | Water |
| USS Viceroy Solar LLC CSG | United States Solar Corporation | Brooten, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Dec 2020 | 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 Water Fowl Solar LLC CSG | United States Solar Corporation | Silver Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 908.0 MWh | Aug 2022 | Dec 2024 | Solar |
| 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 Hubers Solar LLC CSG | United States Solar Corporation | Northfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Dec 2020 | Dec 2024 | Solar |
| USS Solar Sources LLC CSG | Standard Solar | Scandia, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Sep 2020 | Dec 2024 | Solar |
| USS Solar Rapids CSG | United States Solar Corporation | Sauk Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2018 | Dec 2024 | Solar |
| USS Solar Dawn CSG | United States Solar Corporation | North Branch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2018 | Dec 2024 | Solar |
| USS Solar Brick | Standard Solar | Standard City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.6 GWh | May 2021 | 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 Slayton Solar LLC (CSG) | United States Solar Corporation | Slayton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 627.0 MWh | Jul 2024 | Dec 2024 | Solar |
| USS Rosewood Solar LLC (CSG) | United States Solar Corporation | Montevideo, MN | Midcontinent Independent System Operator, Inc. (MISO) | 544.0 MWh | Jul 2024 | 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 Rosebud Solar LLC | United States Solar Corporation | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jul 2022 | 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 Rockpoint Solar CSG | United States Solar Corporation | Stacy, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2018 | Dec 2024 | Solar |
| USS Riley Solar LLC (CSG) | United States Solar Corporation | Montevideo, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2023 | Dec 2024 | Solar |
| USS Solar Way LLC CSG | Standard Solar | Hartland, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Oct 2020 | Dec 2024 | Solar |
| USS Dubhe Solar CSG | United States Solar Corporation | North Branch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2018 | 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 Catfish Solar LLC | United States Solar Corporation | Franklin, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Dec 2022 | 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 Chariot Solar LLC | United States Solar Corporation | Danube, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Dec 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 |
| USS Christoffer Solar LLC CSG | Standard Solar | Montevideo, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Aug 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 Cougar Solar LLC CSG | Standard Solar | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Aug 2020 | Dec 2024 | Solar |
| USS Danube Solar LLC | United States Solar Corporation | Danube, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Nov 2021 | Dec 2024 | Solar |
| USS Dot Com Solar LLC CSG | Standard Solar | Morgan, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Feb 2021 | Dec 2024 | Solar |
| USS Dressen Family Solar LLC | United States Solar Corporation | Mayer, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Jun 2023 | 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 DVL Solar CSG | Standard Solar | Waconia, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Jul 2019 | 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 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 Flower Solar LLC CSG | Standard Solar | Nicollet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Aug 2020 | 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 Franklin Solar LLC | United States Solar Corporation | Franklin, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2022 | Dec 2024 | Solar |
| USS Webster Solar CSG | Standard Solar | Webster, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Apr 2019 | 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 |
| 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 Greenhouse Solar LLC CSG | Standard Solar | Pine Island, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 GWh | Nov 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 |
Summary of Power Plants By State
Figures are based on March 2026 generation numbers.| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 76 | 10,194.39 GWh |
| Alaska | # 48 | 139 | 566.31 GWh |
| Arizona | # 15 | 183 | 8,256.99 GWh |
| Arkansas | # 25 | 114 | 4,973.03 GWh |
| California | # 5 | 1,656 | 15,197.83 GWh |
| Colorado | # 30 | 294 | 4,491.41 GWh |
| Connecticut | # 31 | 161 | 3,992.67 GWh |
| Delaware | # 49 | 33 | 248.78 GWh |
| District of Columbia | # 51 | 16 | 18.32 GWh |
| Florida | # 3 | 334 | 19,802.71 GWh |
| Georgia | # 8 | 247 | 10,697.11 GWh |
| Hawaii | # 46 | 69 | 784.18 GWh |
| Idaho | # 42 | 144 | 1,957.44 GWh |
| Illinois | # 4 | 379 | 15,489.73 GWh |
| Indiana | # 12 | 216 | 9,257.49 GWh |
| Iowa | # 21 | 289 | 6,478.67 GWh |
| Kansas | # 23 | 183 | 5,489.55 GWh |
| Kentucky | # 29 | 59 | 4,637.74 GWh |
| Louisiana | # 17 | 86 | 8,003.69 GWh |
| Maine | # 45 | 212 | 1,313.24 GWh |
| Maryland | # 39 | 202 | 2,834.84 GWh |
| Massachusetts | # 44 | 639 | 1,383.17 GWh |
| Michigan | # 13 | 268 | 8,564.76 GWh |
| Minnesota | # 26 | 760 | 4,875.53 GWh |
| Mississippi | # 24 | 55 | 5,467.46 GWh |
| Missouri | # 22 | 125 | 5,500.53 GWh |
| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 69 | 2,464.49 GWh |
| Nebraska | # 37 | 121 | 3,330.39 GWh |
| Nevada | # 35 | 114 | 3,487.65 GWh |
| New Hampshire | # 43 | 54 | 1,520.13 GWh |
| New Jersey | # 28 | 379 | 4,705.05 GWh |
| New Mexico | # 33 | 142 | 3,587.89 GWh |
| New York | # 9 | 935 | 10,247.40 GWh |
| North Carolina | # 11 | 896 | 9,821.46 GWh |
| North Dakota | # 32 | 59 | 3,854.12 GWh |
| Ohio | # 6 | 200 | 12,175.28 GWh |
| Oklahoma | # 19 | 142 | 7,305.54 GWh |
| Oregon | # 20 | 266 | 6,583.30 GWh |
| Pennsylvania | # 2 | 249 | 20,000.86 GWh |
| Rhode Island | # 47 | 100 | 610.71 GWh |
| South Carolina | # 14 | 204 | 8,273.25 GWh |
| South Dakota | # 41 | 52 | 2,184.62 GWh |
| Tennessee | # 18 | 88 | 7,335.80 GWh |
| Texas | # 1 | 961 | 46,858.09 GWh |
| Utah | # 38 | 125 | 3,184.50 GWh |
| Vermont | # 50 | 117 | 217.82 GWh |
| Virginia | # 16 | 233 | 8,059.42 GWh |
| Washington | # 7 | 131 | 10,773.76 GWh |
| West Virginia | # 34 | 40 | 3,543.98 GWh |
| Wisconsin | # 27 | 239 | 4,794.79 GWh |
| Wyoming | # 36 | 70 | 3,358.51 GWh |