Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Gregory Power Plant | Gregory Power Partners LLC | Gregory, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 721.0 GWh | Jun 2000 | May 2026 | Natural Gas |
| Gridley Main | Altus Power America Management, LLC | Gridley, CA | California Independent System Operator (CISO) | 1.4 GWh | Feb 2013 | Dec 2025 | Solar |
| Gridley Main Two | Altus Power America Management, LLC | Gridley, CA | California Independent System Operator (CISO) | 3.6 GWh | Mar 2013 | Dec 2025 | Solar |
| Griffin Road Solar 2 | Griffin Road Solar 2, LLC | Charlton, MA | ISO New England (ISNE) | 2.2 GWh | May 2020 | Dec 2025 | Solar |
| Griffin Road Solar, LLC CSG | Griffin Road Solar, LLC | Charlton, MA | ISO New England (ISNE) | 3.2 GWh | Feb 2018 | Dec 2025 | Solar |
| Griffin Solar | Sol Systems | Robinson, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 4.1 GWh | Oct 2019 | Oct 2025 | Solar |
| Griffin Trail Wind | Griffin Trail Wind, LLC | E Seymour, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 720.6 GWh | Jun 2021 | May 2026 | Wind |
| Griffith | Altus Power America Management, LLC | Griffith, IN | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Feb 2013 | Dec 2025 | Solar |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.9 TWh | Dec 2001 | May 2026 | Natural Gas |
| Grimes County Solar | Grimes County Solar Project, LLC | Lola, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 180.9 GWh | - | May 2026 | Solar |
| Grimes Way | Washington State University | Pullman, WA | Avista Corporation (AVA) | 110.0 MWh | Dec 2004 | May 2026 | Natural Gas : 59.2% Distillate Fuel Oil : 40.8% |
| Grimm Community Solar | Grimm CSG LLC | Buffalo Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | Apr 2018 | Nov 2025 | 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 | SunStrong Management | 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) | 43.3 GWh | Oct 1993 | Dec 2025 | Water |
| Grizzly Ridge Solar | Grizzly Ridge Solar LLC | Hamilton County, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 126.1 GWh | Sep 2023 | Nov 2025 | Solar |
| Gross Hydro Plant | Denver City & County of - (CO) | Boulder, CO | Public Service Company of Colorado (PSCO) | 9.2 GWh | Jul 2007 | Dec 2025 | 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) | 29.2 GWh | Jul 1983 | Dec 2025 | Natural Gas |
| Grossmont HS Solar Project | MN8 Energy LLC | El Cajon, CA | California Independent System Operator (CISO) | 1.9 GWh | Nov 2018 | Dec 2025 | Solar |
| Groton Generation Station | Basin Electric Power Coop | Groton, SD | Southwest Power Pool (SWPP) | 220.7 GWh | Jun 2006 | Dec 2025 | Natural Gas |
| Groton Wind LLC | Avangrid Power LLC | Groton, NH | ISO New England (ISNE) | 101.4 GWh | Nov 2012 | May 2026 | Wind |
| Grove | Florida Power & Light Co | Vero Beach, FL | Florida Power & Light Co. (FPL) | 143.9 GWh | Dec 2021 | May 2026 | 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) | 13.3 GWh | Aug 2016 | May 2026 | Solar |
| Groveland Solar | RWE Clean Energy | Groveland, MA | ISO New England (ISNE) | 4.3 GWh | Nov 2012 | Dec 2025 | Solar |
| GRP Franklin Renewable Energy Facility | GRP Franklin Renewable Energy Facility, LLC | Carnesville, GA | Southern Company Services, Inc. - Trans (SOCO) | 412.2 GWh | Nov 2019 | May 2026 | Wood/Wood Waste Solids |
| GRP Madison Renewable Energy Facility | GRP Madison Renewable Energy Facility, LLC | Colbert, GA | Southern Company Services, Inc. - Trans (SOCO) | 406.4 GWh | Nov 2019 | May 2026 | Wood/Wood Waste Solids |
| GRS Arbor Hills | Gas Recovery Systems Inc | Northville, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 GWh | May 1996 | Mar 2026 | Landfill Gas |
| GRS C&C | Gas Recovery Systems Inc | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 21.0 GWh | Jan 1995 | Dec 2025 | Landfill Gas |
| GRS CMS | Gas Recovery Systems Inc | Concord, NC | Duke Energy Carolinas (DUK) | 4.3 GWh | Nov 1999 | Dec 2025 | Landfill Gas |
| Grundy Center City Light Plant | Grundy Center Mun Light & Power | Grundy Center, IA | Midcontinent Independent System Operator, Inc. (MISO) | 109.0 MWh | Oct 1963 | Dec 2025 | Distillate Fuel Oil |
| GSE NM1 | Altus Power America Management, LLC | Dexter, NM | Southwest Power Pool (SWPP) | 4.5 GWh | Apr 2011 | Dec 2025 | Solar |
| GSG LLC | Leeward Asset Management, LLC | West Brooklyn, IL | PJM Interconnection, LLC (PJM) | 312.3 GWh | May 2007 | Dec 2025 | Wind |
| GSPP 126 Little Bow Rd N, LLC | Green Street Power Partners | Gouverneur, NY | ISO New England (ISNE) | 6.7 GWh | Nov 2023 | Dec 2025 | Solar |
| GSPP 126 Little Bow Rd S, LLC | Green Street Power Partners | Gouverneur, NY | ISO New England (ISNE) | 6.5 GWh | Nov 2023 | Dec 2025 | Solar |
| GSPP 409 Ferris Road | Green Street Power Partners | Lawrence, NY | ISO New England (ISNE) | 7.7 GWh | Nov 2024 | Dec 2025 | Solar |
| GSPP 4643 Twelve Corners Road, LLC | Green Street Power Partners | Auburn, NY | ISO New England (ISNE) | 8.0 GWh | May 2023 | Dec 2025 | Solar |
| GSPP 641 Ferris Road West | Green Street Power Partners | Lawrence, NY | ISO New England (ISNE) | 4.0 GWh | Nov 2024 | Dec 2025 | Solar |
| GSPP 7024 Fox Rd, LLC | Green Street Power Partners | Marcy, NY | ISO New England (ISNE) | 5.9 GWh | Apr 2023 | Dec 2025 | Solar |
| GSPP Boxborough Littleton (MA) | CleanCapital Holdings | Boxborough, MA | ISO New England (ISNE) | 6.2 GWh | Dec 2018 | Dec 2025 | Solar |
| GSPP Devens, LLC | Green Street Power Partners | Ayer, MA | ISO New England (ISNE) | 3.0 GWh | Dec 2018 | Dec 2025 | Solar |
| GSPP Gilman, LLC | Green Street Power Partners | Lunenburg, VT | ISO New England (ISNE) | 3.0 GWh | Aug 2018 | Dec 2025 | Solar |
| GSPP Held LLC CSG | Green Street Power Partners | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | May 2019 | Dec 2025 | Solar |
| GSPP Imholte CSG | Green Street Power Partners | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Apr 2019 | Dec 2025 | Solar |
| GSPP NESV, LLC | Green Street Power Partners | Attleboro, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2023 | Dec 2025 | Solar |
| GSPP Onyx New Brunswick LLC | Green Street Power Partners | New Brunswick, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Nov 2019 | Dec 2025 | Solar |
| GSPP Raynham TMLP, LLC CSG | Green Street Power Partners | Raynham, MA | ISO New England (ISNE) | 3.7 GWh | Jan 2019 | Dec 2025 | Solar |
| GSPP Terrawatt Westfield LLC CSG | Green Street Power Partners | Westfield, MA | ISO New England (ISNE) | 6.0 GWh | Jan 2019 | Dec 2025 | Solar |
| GSSP Schneider LLC | Green Street Power Partners | Waite Park, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.1 GWh | Sep 2019 | Dec 2025 | Solar |
| Guadalupe Generating Station | Guadalupe Power Partners LP | Marion, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 5.4 TWh | Sep 2000 | May 2026 | Natural Gas |
| Guadalupe Solar Farm | County of Santa Clara - (CA) | San Jose, CA | California Independent System Operator (CISO) | 1.4 GWh | Aug 2018 | Dec 2025 | Solar |
| Guernsey | U S Bureau of Reclamation | Guernsey, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 14.6 GWh | Jun 1927 | Dec 2025 | Water |
| Guernsey Power Station | Guernsey Power Station LLC | Byesville, OH | PJM Interconnection, LLC (PJM) | 11.9 TWh | Jan 2023 | May 2026 | Natural Gas |
| Guernsey Solar Station | Pacific Gas & Electric Co. | Hanford, CA | California Independent System Operator (CISO) | 21.5 GWh | Jul 2013 | Dec 2025 | Solar |
| Guilderland Solar | Helios Energy New York 13 LLC | Altamont, NY | New York Independent System Operator (NYIS) | 4.6 GWh | Nov 2023 | Dec 2025 | Solar |
| Guildlerland CSG | Nautilus Solar Solutions | Guilderland, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Nov 2018 | Dec 2025 | Solar |
| Gulf Clean Energy Center | Florida Power & Light Co | Pensacola, FL | Florida Power & Light Co. (FPL) | 1.9 TWh | Jun 1959 | May 2026 | Natural Gas |
| Gulf Coast Solar Center I | Arevon Energy, Inc. | Valparaiso, FL | Southern Company Services, Inc. - Trans (SOCO) | 60.4 GWh | May 2017 | May 2026 | Solar |
| Gulf Coast Solar Center II | Arevon Energy, Inc. | Navarre, FL | Southern Company Services, Inc. - Trans (SOCO) | 80.8 GWh | Oct 2017 | May 2026 | Solar |
| Gulf Coast Solar Center III | Arevon Energy, Inc. | Bellview, FL | Southern Company Services, Inc. - Trans (SOCO) | 97.2 GWh | Oct 2017 | May 2026 | Solar |
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 115.0 GWh | Dec 1925 | Dec 2025 | Water |
| Gulf Power Blue Indigo Energy | Florida Power & Light Co | Cottondale, FL | Florida Power & Light Co. (FPL) | 139.1 GWh | Mar 2020 | May 2026 | Solar |
| Gulfport Naval Base CSG PV System | Arcadia Solar, LLC | Gulfport, MS | Southern Company Services, Inc. - Trans (SOCO) | 5.8 GWh | Apr 2017 | Dec 2025 | Solar |
| Gunnison Solar | Altus Power America Management, LLC | Gunnison, UT | PacifiCorp East (PACE) | 3.8 GWh | Aug 2022 | Dec 2025 | Solar |
| Gunsight Mountain Wind Energy LLC | Invenergy Services LLC | Big Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 430.6 GWh | May 2016 | Dec 2025 | Wind |
| Gunsight Solar, LLC | Gunsight Solar, LLC | Swansea, SC | South Carolina Public Service Authority (SC) | 170.3 GWh | Nov 2022 | May 2026 | Solar |
| Guntersville | Tennessee Valley Authority | Guntersville, AL | Tennessee Valley Authority (TVA) | 509.1 GWh | Jul 1939 | Dec 2025 | Water |
| Guse CSG | Terraform Arcadia | Janesville, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Aug 2018 | Dec 2025 | 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) | 133.7 GWh | Aug 2019 | May 2026 | Solar |
| Guyton Community Solar | Georgia Power Co | Guyton, GA | Southern Company Services, Inc. - Trans (SOCO) | 5.2 GWh | Jun 2019 | Dec 2025 | 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 | 3.2 GWh | Apr 1987 | Dec 2025 | Distillate Fuel Oil |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |