Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Gridley Main | Altus Power America Management, LLC | Gridley, CA | California Independent System Operator (CISO) | 1.6 GWh | Feb 2013 | Dec 2024 | Solar |
| Gridley Main Two | Altus Power America Management, LLC | Gridley, CA | California Independent System Operator (CISO) | 3.4 GWh | Mar 2013 | Dec 2024 | Solar |
| Griffin Road Solar 2 | Griffin Road Solar 2, LLC | Charlton, MA | ISO New England (ISNE) | 2.3 GWh | May 2020 | Dec 2024 | Solar |
| Griffin Road Solar, LLC CSG | Griffin Road Solar, LLC | Charlton, MA | ISO New England (ISNE) | 3.2 GWh | Feb 2018 | Dec 2024 | Solar |
| Griffin Solar | Sol Systems | Robinson, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 9.2 GWh | Oct 2019 | Dec 2024 | Solar |
| Griffin Trail Wind | Griffin Trail Wind, LLC | E Seymour, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 672.9 GWh | Jun 2021 | Sep 2025 | Wind |
| Griffith | Altus Power America Management, LLC | Griffith, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 GWh | Feb 2013 | Dec 2024 | Solar |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.7 TWh | Dec 2001 | Sep 2025 | Natural Gas |
| Grimes Way | Washington State University | Pullman, WA | Avista Corporation (AVA) | 81.0 MWh | Dec 2004 | Sep 2025 | Distillate Fuel Oil : 77.5% Natural Gas : 22.5% |
| Grimm Community Solar | Grimm CSG LLC | Buffalo Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Apr 2018 | Dec 2024 | Solar |
| Grinnell College | Azimuth 180 Solar Electric, LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Mar 2024 | Dec 2024 | Solar |
| Grissom Solar, LLC | Grissom Solar, LLC | Enfield, NC | PJM Interconnection, LLC (PJM) | 10.1 GWh | Apr 2021 | Dec 2024 | Solar |
| Grizzly | City of Santa Clara - (CA) | N/A, CA | California Independent System Operator (CISO) | 29.6 GWh | Oct 1993 | Dec 2024 | Water |
| Grizzly Ridge Solar | Grizzly Ridge Solar LLC | Hamilton County, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 137.3 GWh | Sep 2023 | Sep 2025 | Solar |
| Gross Hydro Plant | Denver City & County of | Boulder, CO | Public Service Company of Colorado (PSCO) | 11.1 GWh | Jul 2007 | Nov 2024 | Water |
| Grossmont College | Forefront Power, LLC | El Cajon, CA | California Independent System Operator (CISO) | 4.4 GWh | Feb 2023 | Dec 2024 | Solar |
| Grossmont-Cuyamaca-Cuyamaca Col. Solar & | Forefront Power, LLC | El Cajon, CA | California Independent System Operator (CISO) | 2.8 GWh | Feb 2024 | Dec 2024 | Solar |
| Grossmont Hospital | Sharp Grossmont Hospital | La Mesa, CA | California Independent System Operator (CISO) | 25.5 GWh | Jul 1983 | Dec 2024 | Natural Gas |
| Grossmont HS Solar Project | MN8 Energy LLC | El Cajon, CA | California Independent System Operator (CISO) | 1.8 GWh | Nov 2018 | Dec 2024 | Solar |
| Groton Generation Station | Basin Electric Power Coop | Groton, SD | Southwest Power Pool (SWPP) | 180.5 GWh | Jun 2006 | Dec 2024 | Natural Gas |
| Groton Wind LLC | Avangrid Power LLC | Groton, NH | ISO New England (ISNE) | 114.8 GWh | Nov 2012 | Sep 2025 | Wind |
| Grove | Florida Power & Light Co | Vero Beach, FL | Florida Power & Light Co. (FPL) | 141.1 GWh | Dec 2021 | Sep 2025 | Solar |
| Grove Solar | Sol Systems | New Bern, NC | Duke Energy Carolinas (DUK) | 12.0 GWh | Nov 2019 | Dec 2024 | Solar |
| Grove Solar Center, LLC | Cypress Creek Renewables | Vale, OR | Idaho Power Company (IPCO) | 12.6 GWh | Aug 2016 | Sep 2025 | Solar |
| Groveland Solar | Consolidated Edison Development Inc. | Groveland, MA | ISO New England (ISNE) | 4.5 GWh | Nov 2012 | Dec 2024 | Solar |
| GRP Franklin Renewable Energy Facility | GRP Franklin Renewable Energy Facility, LLC | Carnesville, GA | Southern Company Services, Inc. - Trans (SOCO) | 380.5 GWh | Nov 2019 | Sep 2025 | Wood/Wood Waste Solids |
| GRP Madison Renewable Energy Facility | GRP Madison Renewable Energy Facility, LLC | Colbert, GA | Southern Company Services, Inc. - Trans (SOCO) | 420.4 GWh | Nov 2019 | Sep 2025 | Wood/Wood Waste Solids |
| GRS Arbor Hills | Gas Recovery Systems Inc | Northville, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | May 1996 | Aug 2025 | Landfill Gas |
| GRS C&C | Gas Recovery Systems Inc | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 21.0 GWh | Jan 1995 | Dec 2024 | Landfill Gas |
| GRS CMS | Gas Recovery Systems Inc | Concord, NC | Duke Energy Carolinas (DUK) | 610.0 MWh | Nov 1999 | Dec 2024 | Landfill Gas |
| GSE NM1 | Altus Power America Management, LLC | Dexter, NM | Southwest Power Pool (SWPP) | 4.7 GWh | Apr 2011 | Dec 2024 | Solar |
| GSG LLC | Leeward Asset Management, LLC | West Brooklyn, IL | PJM Interconnection, LLC (PJM) | 298.7 GWh | May 2007 | Dec 2024 | Wind |
| GSPP 126 Little Bow Rd N, LLC | Green Street Power Partners | Gouverneur, NY | ISO New England (ISNE) | 3.2 GWh | Nov 2023 | Dec 2024 | Solar |
| GSPP 126 Little Bow Rd S, LLC | Green Street Power Partners | Gouverneur, NY | ISO New England (ISNE) | 4.2 GWh | Nov 2023 | Dec 2024 | Solar |
| GSPP 4643 Twelve Corners Road, LLC | Green Street Power Partners | Auburn, NY | ISO New England (ISNE) | 8.0 GWh | May 2023 | Dec 2024 | Solar |
| GSPP 7024 Fox Rd, LLC | Green Street Power Partners | Marcy, NY | ISO New England (ISNE) | 7.6 GWh | Apr 2023 | Dec 2024 | Solar |
| GSPP Boxborough Littleton (MA) | GSPP Boxborough Littleton, LLC | Boxborough, MA | ISO New England (ISNE) | 5.8 GWh | Dec 2018 | Dec 2024 | Solar |
| GSPP Devens, LLC | Green Street Power Partners | Ayer, MA | ISO New England (ISNE) | 3.2 GWh | Dec 2018 | Dec 2024 | Solar |
| GSPP Gilman, LLC | Green Street Power Partners | Lunenburg, VT | ISO New England (ISNE) | 3.1 GWh | Aug 2018 | Dec 2024 | Solar |
| GSPP Held LLC CSG | Green Street Power Partners | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | May 2019 | Dec 2024 | Solar |
| GSPP Imholte CSG | Green Street Power Partners | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Apr 2019 | Dec 2024 | Solar |
| GSPP NESV, LLC | Green Street Power Partners | Attleboro, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2023 | Dec 2024 | Solar |
| GSPP Onyx New Brunswick LLC | Green Street Power Partners | New Brunswick, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Nov 2019 | Dec 2024 | Solar |
| GSPP Raynham TMLP, LLC CSG | Green Street Power Partners | Raynham, MA | ISO New England (ISNE) | 3.6 GWh | Jan 2019 | Dec 2024 | Solar |
| GSPP Terrawatt Westfield LLC CSG | Green Street Power Partners | Westfield, MA | ISO New England (ISNE) | 6.1 GWh | Jan 2019 | Dec 2024 | Solar |
| GSSP Schneider LLC | Green Street Power Partners | Waite Park, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.5 GWh | Sep 2019 | Dec 2024 | Solar |
| Guadalupe Generating Station | Guadalupe Power Partners LP | Marion, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 5.7 TWh | Sep 2000 | Sep 2025 | Natural Gas |
| Guadalupe Solar Farm | County of Santa Clara (CA) | San Jose, CA | California Independent System Operator (CISO) | 1.9 GWh | Aug 2018 | Dec 2024 | Solar |
| Guernsey | U S Bureau of Reclamation | Guernsey, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 18.0 GWh | Jun 1927 | Dec 2024 | Water |
| Guernsey Power Station | Guernsey Power Station LLC | Byesville, OH | PJM Interconnection, LLC (PJM) | 11.4 TWh | Jan 2023 | Sep 2025 | Natural Gas |
| Guernsey Solar Station | Pacific Gas & Electric Co. | Hanford, CA | California Independent System Operator (CISO) | 22.7 GWh | Jul 2013 | Dec 2024 | Solar |
| Guilderland Solar | Helios Energy New York 13 LLC | Altamont, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Nov 2023 | Dec 2024 | Solar |
| Guildlerland CSG | Nautilus Solar Solutions | Guilderland, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Nov 2018 | Dec 2024 | Solar |
| Gulf Clean Energy Center | Florida Power & Light Co | Pensacola, FL | Florida Power & Light Co. (FPL) | 2.3 TWh | Jun 1959 | Sep 2025 | Natural Gas |
| Gulf Coast Solar Center I | Arevon Energy, Inc. | Valparaiso, FL | Southern Company Services, Inc. - Trans (SOCO) | 61.3 GWh | May 2017 | Sep 2025 | Solar |
| Gulf Coast Solar Center II | Arevon Energy, Inc. | Navarre, FL | Southern Company Services, Inc. - Trans (SOCO) | 79.1 GWh | Oct 2017 | Sep 2025 | Solar |
| Gulf Coast Solar Center III | Arevon Energy, Inc. | Bellview, FL | Southern Company Services, Inc. - Trans (SOCO) | 91.6 GWh | Oct 2017 | Sep 2025 | Solar |
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 136.3 GWh | Dec 1925 | Dec 2024 | Water |
| Gulf Power Blue Indigo Energy | Florida Power & Light Co | Cottondale, FL | Florida Power & Light Co. (FPL) | 129.3 GWh | Mar 2020 | Sep 2025 | Solar |
| Gulfport Naval Base CSG PV System | Arcadia Solar, LLC | Gulfport, MS | Southern Company Services, Inc. - Trans (SOCO) | 5.0 GWh | Apr 2017 | Dec 2024 | Solar |
| Gunnison Solar | Greenbacker Renewable Energy Corporation | Gunnison, UT | PacifiCorp East (PACE) | 3.7 GWh | Aug 2022 | Dec 2024 | Solar |
| Gunsight Mountain Wind Energy LLC | Invenergy Services LLC | Big Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 460.7 GWh | May 2016 | Dec 2024 | Wind |
| Gunsight Solar, LLC | Gunsight Solar, LLC | Swansea, SC | South Carolina Public Service Authority (SC) | 173.7 GWh | Nov 2022 | Sep 2025 | Solar |
| Guntersville | Tennessee Valley Authority | Guntersville, AL | Tennessee Valley Authority (TVA) | 454.8 GWh | Jul 1939 | Dec 2024 | Water |
| Guse CSG | Terraform Arcadia | Janesville, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Aug 2018 | Dec 2024 | Solar |
| Gustavus | Alaska Power and Telephone Co | Gustavus, AK | (NA) | 247.0 MWh | Nov 2008 | Dec 2024 | Distillate Fuel Oil |
| Gutenberg Solar | Dominion Energy Inc. | Garysburg, NC | PJM Interconnection, LLC (PJM) | 156.0 GWh | Aug 2019 | Sep 2025 | Solar |
| Guyton Community Solar | Georgia Power Co | Guyton, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.2 GWh | Jun 2019 | Dec 2024 | Solar |
| GWCC PV Solar Farm | GWCC PV Solar Farm | Beltsville, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Dec 2014 | Dec 2024 | Solar |
| Gwitchyaa Zhee | Gwitchyaa Zhee Utility Co | Fort Yukon, AK | 2.5 GWh | Apr 1987 | Dec 2023 | Distillate Fuel Oil | |
| H Allen Franklin Combined Cycle | Southern Power Co | Smiths, AL | Southern Company Services, Inc. - Trans (SOCO) | 12.4 TWh | May 2002 | Sep 2025 | Natural Gas |
| H B Robinson | Duke Energy Progress - (NC) | Hartsville, SC | Duke Energy Progress East (CPLE) | 6.1 TWh | Feb 1971 | Sep 2025 | Nuclear |
| H. Gonzales | City of Vernon | Vernon, CA | California Independent System Operator (CISO) | 178.4 MWh | Dec 1986 | Dec 2024 | Natural Gas |
| H L Culbreath Bayside Power Station | Tampa Electric Co | Tampa, FL | Tampa Electric Company (TEC) | 4.8 TWh | Oct 1965 | Sep 2025 | Natural Gas |
| H L Spurlock | East Kentucky Power Coop, Inc | Maysville, KY | PJM Interconnection, LLC (PJM) | 8.3 TWh | Aug 1977 | Sep 2025 | Bituminous Coal : 99.5% |
| H M Jackson | PUD No 1 of Snohomish County | Sultan, WA | Bonneville Power Administration (BPAT) | 365.7 GWh | May 1984 | Dec 2024 | Water |
| H Neely Henry Dam | Alabama Power Co | Ohatchee, AL | Southern Company Services, Inc. - Trans (SOCO) | 179.9 GWh | May 1966 | Dec 2024 | Water |
| H Power | Covanta Honolulu Resource Recovery | Kapolei, HI | 340.8 GWh | Oct 1989 | Sep 2025 | Non-biogenic Municipal Solid Waste : 54.3% Biogenic Municipal Solid Waste : 44.4% Distillate Fuel Oil : 1.2% | |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.8 TWh | Nov 1958 | Sep 2025 | Natural Gas |
| Haas | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 219.6 GWh | Nov 1958 | Aug 2025 | Water |
| Hackbarth Solar WI, LLC | Wisconsin Electric Power Co | Fort Atkinson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Hackberry Wind Farm | Hackberry Wind LLC | Albany, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 325.7 GWh | Nov 2008 | Dec 2024 | Wind |
| Hadley 2 Solar, LLC CSG | Hadley 2 Solar, LLC | Hadley, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2016 | Dec 2024 | Solar |
| Hadley 3 Solar (North) | Hadley 3 Solar, LLC (North) | Hadley, MA | ISO New England (ISNE) | 2.7 GWh | Nov 2019 | Dec 2024 | Solar |
| Hadley 3 Solar (South) | Hadley 3 Solar, LLC (South) | Hadley, MA | ISO New England (ISNE) | 3.1 GWh | Nov 2019 | Dec 2024 | Solar |
| Hadley Falls | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 151.1 GWh | Dec 1951 | Dec 2024 | Water |
| Hadley Ridge LLC | CHI Operations Inc | Lake Benton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Nov 2000 | Dec 2024 | Wind |
| Hadley Solar NG, LLC | NuGen Capital Management | Hadley, MA | ISO New England (ISNE) | 3.4 GWh | Jun 2014 | Dec 2024 | Solar |
| Hagood | Dominion Energy South Carolina, Inc | Charleston Heights, SC | Dominion Energy South Carolina, Inc. (SCEG) | 17.9 GWh | May 1991 | Dec 2024 | Natural Gas : 89.6% Distillate Fuel Oil : 10.4% |
| Hailesboro 4 Plant | Central Rivers Power US, LLC | Hailesboro, NY | New York Independent System Operator (NYIS) | 9.5 GWh | Dec 1921 | Dec 2024 | Water |
| Haiwee | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 5.1 GWh | Jun 1927 | Dec 2024 | Water |
| Hal C Weaver Power Plant | University of Texas at Austin | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 361.2 GWh | Sep 1951 | Dec 2024 | Natural Gas |
| Hale Community Wind Farm | Southwestern Public Service Co | Plainview, TX | Southwest Power Pool (SWPP) | 1.9 TWh | May 2019 | Sep 2025 | Wind |
| Hale Kuawehi Solar Hybrid | Hale Kuawehi Solar LLC | Waimea, HI | (HECO) | 47.8 GWh | - | Sep 2025 | Solar |
| Haleon York RDC Solar Facility | Haleon PLC | York, PA | PJM Interconnection, LLC (PJM) | 798.0 MWh | Nov 2010 | Dec 2024 | Solar |
| Hales Mills Solar, LLC | Hales Mills Solar, LLC | Johnstown, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Sep 2020 | Dec 2024 | Solar |
| Haley Solar | Haley Solar, LLC | Allendale, SC | Dominion Energy South Carolina, Inc. (SCEG) | 9.9 GWh | Nov 2017 | Dec 2024 | Solar |
| Halifax County Biomass | South Boston Energy LLC | South Boston, VA | PJM Interconnection, LLC (PJM) | 351.6 GWh | Oct 2013 | Dec 2024 | Wood/Wood Waste Solids |
| Halifax CSG LLC | Dimension Energy LLC | South Boston, VA | PJM Interconnection, LLC (PJM) | 3.0 GWh | May 2024 | Dec 2024 | Solar |
| Halifax (NC) | Duke Energy Renewables Services | Roanoke Rapids, NC | PJM Interconnection, LLC (PJM) | 24.2 GWh | Nov 2014 | 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 |