Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| GEN005 Antibody Fuel Cell | 2016 ESA Project Company, LLC | Oceanside, CA | California Independent System Operator (CISO) | 20.6 GWh | Mar 2019 | Dec 2024 | Natural Gas |
| Galloway 2 Solar Farm | 224WB 8me LLC | Paint Rock, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 243.6 GWh | Sep 2023 | Sep 2025 | Solar |
| Galloway 1 Solar Farm | 225DD 8me LLC | Paint Rock, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 539.8 GWh | Sep 2021 | Sep 2025 | Solar |
| Gastonia Solar Center | Adapture Renewables, Inc. | Gastonia, NC | Duke Energy Carolinas (DUK) | 7.9 GWh | Nov 2018 | Dec 2024 | Solar |
| Green Meadow Solar, LLC | Adapture Renewables, Inc. | Helena, MT | NorthWestern Corporation (NWMT) | 5.6 GWh | Mar 2017 | Sep 2025 | Solar |
| Great Divide Solar, LLC | Adapture Renewables, Inc. | Canyon Creek, MT | NorthWestern Corporation (NWMT) | 5.9 GWh | Aug 2017 | Sep 2025 | Solar |
| GreenparkSolar | Adapture Renewables, Inc. | Salem, OR | Portland General Electric Company (PGE) | 1.4 GWh | Oct 2020 | Dec 2024 | Solar |
| Goshen Phase II | AE Power Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 369.2 GWh | Aug 2010 | Dec 2024 | Wind |
| Garnet Solar (NY) | AEP Onsite Partners, LLC | Johnsburg, NY | New York Independent System Operator (NYIS) | 2.8 GWh | May 2018 | Dec 2024 | Solar |
| Galesburg Solar Array | AEP Onsite Partners, LLC | Oquawka, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Feb 2020 | Dec 2024 | Solar |
| Great Cove Solar II | AES Clean Energy | Saint Thomas, PA | PJM Interconnection, LLC (PJM) | 223.3 GWh | Nov 2023 | Sep 2025 | Solar |
| Green Beanworks D PV | AES Distributed Energy | Palmdale, CA | California Independent System Operator (CISO) | 4.1 GWh | Jul 2018 | Dec 2024 | Solar |
| Green Beanworks B PV | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 7.1 GWh | Nov 2018 | Dec 2024 | Solar |
| Green Beanworks C PV | AES Distributed Energy | Palmdale, CA | California Independent System Operator (CISO) | 5.1 GWh | Jul 2018 | Dec 2024 | Solar |
| Glenmere Lake | AES Distributed Energy | Goshen, NY | ISO New England (ISNE) | 3.6 GWh | May 2021 | Dec 2024 | Solar |
| Greenwich Solar 1, LLC CSG | AES Distributed Energy | Greenwich, NY | New York Independent System Operator (NYIS) | 4.7 GWh | Nov 2020 | Nov 2024 | Solar |
| Great Cove Solar | AES Distributed Energy | McConnellsburg, PA | PJM Interconnection, LLC (PJM) | 111.7 GWh | Nov 2023 | Sep 2025 | Solar |
| Georgetown | AES Indiana | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 466.1 GWh | May 2000 | Dec 2024 | Natural Gas |
| Geismar Cogen | Air Liquide Large Industries U S LP | Geismar, LA | Midcontinent Independent System Operator, Inc. (MISO) | 585.7 GWh | Dec 1999 | Dec 2024 | Natural Gas |
| General Electric Plastic | Alabama Power Co | Burkeville, AL | Southern Company Services, Inc. - Trans (SOCO) | 602.0 GWh | Jun 1999 | Dec 2024 | Natural Gas |
| Greene County | Alabama Power Co | Demopolis, AL | Southern Company Services, Inc. - Trans (SOCO) | 1.4 TWh | May 1965 | Sep 2025 | Natural Gas |
| Gold Creek | Alaska Electric Light & Power Co. | Juneau, AK | 5.4 GWh | Aug 1906 | Dec 2024 | Water : 99.9% | |
| Goat Lake Hydro | Alaska Power and Telephone Co | Skagway, AK | 15.1 GWh | Nov 1997 | Dec 2024 | Water | |
| Gustavus | Alaska Power and Telephone Co | Gustavus, AK | (NA) | 247.0 MWh | Nov 2008 | Dec 2024 | Distillate Fuel Oil |
| Gambell | Alaska Village Elec Coop, Inc | Gambell, AK | 2.3 GWh | Nov 1985 | Dec 2024 | Distillate Fuel Oil | |
| Green Island Hydroelectric Station | Albany Engineering Corporation | Green Island, NY | New York Independent System Operator (NYIS) | 37.4 GWh | Oct 1922 | Dec 2024 | Water |
| Glen Ullin Energy Center | ALLETE Clean Energy | Glen Ullin, ND | Midcontinent Independent System Operator, Inc. (MISO) | 426.7 GWh | Nov 2019 | Sep 2025 | Wind |
| Green Meadows | Altus Power America Management, LLC | Sandwich, MA | ISO New England (ISNE) | 5.1 GWh | Apr 2014 | Dec 2024 | Solar |
| Gary Solar | Altus Power America Management, LLC | Bishopville, SC | Duke Energy Progress East (CPLE) | 3.5 GWh | Nov 2018 | Dec 2024 | Solar |
| Goldenrod Solar | Altus Power America Management, LLC | Pamplico, SC | Duke Energy Progress East (CPLE) | 3.7 GWh | Feb 2019 | Dec 2024 | Solar |
| Griffith | Altus Power America Management, LLC | Griffith, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 GWh | Feb 2013 | Dec 2024 | Solar |
| Ghent (NY) | Altus Power America Management, LLC | Ghent, NY | New York Independent System Operator (NYIS) | 5.7 GWh | May 2021 | Dec 2024 | Solar |
| Gloucester | Altus Power America Management, LLC | Gloucester City, NJ | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2019 | Dec 2024 | Solar |
| Greenville CSG | Altus Power America Management, LLC | Port Jervis, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Jul 2019 | Dec 2024 | Solar |
| GSE NM1 | Altus Power America Management, LLC | Dexter, NM | Southwest Power Pool (SWPP) | 4.7 GWh | Apr 2011 | Dec 2024 | Solar |
| 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 |
| GELD Solar Farm | Ameresco, Inc - GELD | Groton, MA | ISO New England (ISNE) | 3.5 GWh | May 2016 | Dec 2024 | Solar |
| Grant Town Power Plant | American Bituminous Power LP | Grant Town, WV | PJM Interconnection, LLC (PJM) | 614.8 GWh | Jun 1992 | Dec 2024 | Waste/Other Coal : 90.0% Natural Gas : 10.0% |
| Galion Generating Station | American Mun Power-Ohio, Inc | Galion, OH | PJM Interconnection, LLC (PJM) | 2.8 GWh | May 2000 | Dec 2024 | Natural Gas |
| Girard (PA) RTO BTM | American Mun Power-Ohio, Inc | Girard, PA | PJM Interconnection, LLC (PJM) | 195.0 MWh | Feb 2022 | Dec 2024 | Distillate Fuel Oil |
| Galion | American Mun Power-Ohio, Inc | Galion, OH | PJM Interconnection, LLC (PJM) | 273.0 MWh | Jun 2001 | Dec 2024 | Distillate Fuel Oil |
| Gilman Mill | Ampersand Gilman Hydro LP | Gilman, VT | ISO New England (ISNE) | 3.9 GWh | Dec 1940 | Dec 2024 | Water |
| 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 |
| 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 |
| Gila Bend Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 84.7 GWh | Sep 2014 | Dec 2024 | Solar |
| Graniteville Enterprise Division | Augusta Canal Authority | Augusta, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.9 GWh | Dec 1920 | Jul 2025 | Water |
| Golden Hill Wind | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 594.4 GWh | Mar 2022 | Sep 2025 | Wind |
| Groton Wind LLC | Avangrid Power LLC | Groton, NH | ISO New England (ISNE) | 114.8 GWh | Nov 2012 | Sep 2025 | Wind |
| Grinnell College | Azimuth 180 Solar Electric, LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Mar 2024 | Dec 2024 | Solar |
| Geismar | BASF Corporation | Geismar, LA | Midcontinent Independent System Operator, Inc. (MISO) | 514.1 GWh | Jun 1985 | Dec 2024 | Natural Gas : 63.1% Other Gas : 36.9% |
| Groton Generation Station | Basin Electric Power Coop | Groton, SD | Southwest Power Pool (SWPP) | 180.5 GWh | Jun 2006 | Dec 2024 | Natural Gas |
| Grande Prairie Wind Farm | BHE Renewables, LLC | O'Neill, NE | Southwest Power Pool (SWPP) | 1.5 TWh | Nov 2016 | Sep 2025 | Wind |
| Grandview Wind Farm, LLC | Big Sky Wind, LLC | Panhandle, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 867.3 GWh | Nov 2014 | Sep 2025 | Wind |
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 136.3 GWh | Dec 1925 | Dec 2024 | Water |
| Greenville Electric Generating Station | Buckeye Power, Inc | Greenville, OH | PJM Interconnection, LLC (PJM) | 105.0 GWh | May 2000 | Dec 2024 | Natural Gas : 99.6% |
| Graniterock Quarry | CalCom Energy | Aromas, CA | California Independent System Operator (CISO) | 8.9 GWh | Aug 2022 | Dec 2024 | Solar |
| Gilroy Power Plant | Calpine Gilroy Cogen LP | Gilroy, CA | California Independent System Operator (CISO) | 44.2 GWh | Sep 1987 | Dec 2024 | Natural Gas |
| Gilroy Peaking Energy Center | Calpine Gilroy Cogen LP | Gilroy, CA | California Independent System Operator (CISO) | 23.3 GWh | Oct 2001 | Dec 2024 | Natural Gas |
| Greenleaf 1 | Calpine Greenleaf Holding, Inc. | Yuba City, CA | California Independent System Operator (CISO) | 4.1 GWh | Jan 1989 | Dec 2024 | Natural Gas |
| Gold Meadow Farms | Captona Lippitt Ave Cranston LLC | Cranston, RI | ISO New England (ISNE) | 28.0 GWh | Apr 2019 | Dec 2024 | Solar |
| Golden Solar | Cardinal Renewables | St. Johnsbury, VT | ISO New England (ISNE) | 3.6 GWh | Oct 2021 | Dec 2024 | Solar |
| Grafton Solar | CD US Solar MT 2 LLC | Grafton, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2013 | Dec 2024 | Solar |
| Gas Turbine (IA) | Cedar Falls Utilities | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 690.0 MWh | Dec 1967 | Dec 2024 | Natural Gas |
| Gardners Falls | Central Rivers Power MA, LLC | Buckland, MA | ISO New England (ISNE) | 11.1 GWh | Dec 1913 | Dec 2024 | Water |
| Gorham | Central Rivers Power NH, LLC | Gorham, NH | ISO New England (ISNE) | 11.2 GWh | Jul 1917 | Dec 2024 | Water |
| Garvins Falls | Central Rivers Power NH, LLC | Bow, NH | ISO New England (ISNE) | 30.9 GWh | Jul 1925 | Dec 2024 | Water |
| Gauley River Power Partners | Central Rivers Power WV, LLC | Summersville, WV | PJM Interconnection, LLC (PJM) | 143.7 GWh | Jun 2001 | Dec 2024 | Water |
| George M Sullivan Generation Plant 2 | Chugach Electric Assn Inc | Anchorage, AK | 923.3 GWh | Dec 1974 | Dec 2024 | Natural Gas | |
| Green Lake | City & Borough of Sitka - (AK) | Sitka, AK | 43.2 GWh | Mar 1982 | Dec 2024 | Water | |
| George Birdsall | City of Colorado Springs - (CO) | Colorado Springs, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 43.1 GWh | Jul 1953 | Aug 2025 | Natural Gas |
| Gardner Energy Center | City of Gardner - (KS) | Gardner, KS | Southwest Power Pool (SWPP) | 346.0 MWh | Apr 1990 | Dec 2024 | Natural Gas |
| Garnett Municipal | City of Garnett - (KS) | Garnett, KS | Southwest Power Pool (SWPP) | 8.0 MWh | Dec 1929 | Dec 2024 | Distillate Fuel Oil |
| Gaston Memorial Hospital | City of Gastonia | Gastonia, NC | Duke Energy Carolinas (DUK) | 22.0 MWh | Apr 2006 | Sep 2025 | Distillate Fuel Oil |
| Geneseo | City of Geneseo - (IL) | Geneseo, IL | Midcontinent Independent System Operator, Inc. (MISO) | 7.5 GWh | Jun 1957 | Sep 2025 | Wind : 75.9% Solar : 22.4% |
| Geneva Generation Facility | City of Geneva- (IL) | Geneva, IL | PJM Interconnection, LLC (PJM) | 9.2 GWh | May 2005 | Dec 2024 | Natural Gas |
| Girard | City of Girard - (KS) | Girard, KS | Southwest Power Pool (SWPP) | 109.0 MWh | Aug 1955 | Dec 2024 | Distillate Fuel Oil : 67.3% Natural Gas : 32.7% |
| Grayson | City of Glendale - (CA) | Glendale, CA | Los Angeles Department of Water and Power (LDWP) | 18.1 GWh | Nov 1953 | Sep 2025 | Natural Gas |
| Graettinger | City of Graettinger - (IA) | Graettinger, IA | Midcontinent Independent System Operator, Inc. (MISO) | 59.0 MWh | Jul 1957 | Dec 2024 | Distillate Fuel Oil |
| Grand Junction | City of Grand Junction - (IA) | Grand Junction, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Nov 1994 | Dec 2024 | Distillate Fuel Oil |
| Grand Marais | City of Grand Marais - (MN) | Grand Marais, MN | Midcontinent Independent System Operator, Inc. (MISO) | 204.0 MWh | Jan 2004 | Dec 2024 | Distillate Fuel Oil |
| Granite Falls | City of Granite Falls - (MN) | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Jul 1932 | Dec 2024 | Water |
| Greenup Hydro | City of Hamilton - (OH) | Franklin Furnace, OH | PJM Interconnection, LLC (PJM) | 261.5 GWh | Nov 1982 | Dec 2024 | Water |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 108.5 GWh | Oct 1988 | Dec 2024 | Water |
| Godwin Drive Plant | City of Manassas - (VA) | Manassas, VA | PJM Interconnection, LLC (PJM) | 416.0 MWh | Apr 1990 | Dec 2024 | Distillate Fuel Oil |
| Gateway Gen | City of Manassas - (VA) | Manassas, VA | PJM Interconnection, LLC (PJM) | 251.0 MWh | Feb 1996 | Dec 2024 | Distillate Fuel Oil |
| Glenarm | City of Pasadena - (CA) | Pasadena, CA | California Independent System Operator (CISO) | 38.5 GWh | Dec 1975 | Dec 2024 | Natural Gas |
| Gas Utilization Facility | City of San Diego | San Diego, CA | California Independent System Operator (CISO) | 30.7 GWh | May 1985 | Sep 2025 | Other Biomass Gas |
| Grizzly | City of Santa Clara - (CA) | N/A, CA | California Independent System Operator (CISO) | 29.6 GWh | Oct 1993 | Dec 2024 | Water |
| Gianera | City of Santa Clara - (CA) | Santa Clara, CA | California Independent System Operator (CISO) | 6.2 GWh | May 1986 | Dec 2024 | Natural Gas |
| Gorge | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 714.5 GWh | Aug 1924 | Jul 2025 | Water |
| Gilliam South | City of Stuart - (IA) | Stuart, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Jan 2001 | Dec 2024 | Distillate Fuel Oil |
| Gorham Solar 1 (CSG) | CleanCapital Holdings | Gorham, ME | ISO New England (ISNE) | 7.8 GWh | Oct 2023 | Dec 2024 | Solar |
| Granite Mountain Solar West, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 125.1 GWh | Aug 2016 | Sep 2025 | Solar |
| Granite Mountain Solar East, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 203.1 GWh | Aug 2016 | Sep 2025 | Solar |
| Greater New Bedford LFG Utiliz. Facility | CommonWealth New Bedford Energy LLC | New Bedford, MA | ISO New England (ISNE) | 16.9 GWh | Sep 2005 | Dec 2024 | Landfill Gas |
| Greasewood Solar | Concho Bluff LLC | Fort Stockton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 371.1 GWh | Jan 2021 | Sep 2025 | Solar |
| Gary Court 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 422.0 MWh | Jun 2010 | Dec 2024 | Distillate Fuel Oil |
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 |