Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 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 |
| ASA Gouverneur NY Solar II LLC | ASA Gouverneur NY Solar II LLC | Gouverneur, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Apr 2024 | Dec 2025 | Solar |
| Rock Island Road Solar Community Solar | RPNY Solar 1, LLC | Gouvernour, NY | New York Independent System Operator (NYIS) | 5.9 GWh | Jun 2022 | Dec 2025 | Solar |
| POET Biorefining - Gowrie | POET Biorefining - Gowrie | Gowrie, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Oct 2018 | Dec 2025 | Natural Gas |
| Gowrie | Gowrie Municipal Utilities - (IA) | Gowrie, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 MWh | Dec 2012 | Dec 2025 | Distillate Fuel Oil |
| Grace | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 82.7 GWh | Jun 1923 | Dec 2025 | Water |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 3.5 GWh | Jan 1984 | Dec 2025 | Water |
| Broadview Energy Prime | Broadview Energy Prime LLC | Grady, NM | Southwest Power Pool (SWPP) | 12.9 GWh | Jan 2014 | Dec 2025 | Wind |
| Broadview Energy Prime 2 | Broadview Energy Prime 2 LLC | Grady, NM | Southwest Power Pool (SWPP) | 9.8 GWh | Jan 2014 | Dec 2025 | Wind |
| Graettinger | City of Graettinger - (IA) | Graettinger, IA | Midcontinent Independent System Operator, Inc. (MISO) | 49.0 MWh | Jul 1957 | Dec 2025 | Distillate Fuel Oil |
| Grafton PV | MN8 Energy LLC | Grafton, MA | ISO New England (ISNE) | 4.3 GWh | Sep 2016 | Dec 2025 | Solar |
| BlueWave Capital - Grafton (SREC II) | TerraForm Solar XVII, LLC | Grafton, MA | ISO New England (ISNE) | 1.9 GWh | Feb 2015 | Dec 2025 | Solar |
| Grafton Solar | CD US Solar MT 2 LLC | Grafton, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2013 | Dec 2025 | Solar |
| Minnie Solar | Minnie Solar LLC | Graham, NC | Duke Energy Carolinas (DUK) | 4.4 GWh | Mar 2016 | Dec 2025 | Solar |
| Southwick Solar | SunStrong Management | Graham, NC | Duke Energy Carolinas (DUK) | 5.8 GWh | Nov 2020 | Dec 2025 | Solar |
| Young Wind | Young Wind, LLC | Graham, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.5 TWh | Nov 2022 | May 2026 | Wind |
| Graham | Luminant Generation Company LLC | Graham, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.1 TWh | Nov 1960 | Dec 2025 | Natural Gas : 99.8% |
| LRI LFGTE Facility | Frontier Operation Services | Graham, WA | Puget Sound Energy, Inc. (PSEI) | 33.2 GWh | Oct 2013 | Dec 2025 | Landfill Gas |
| Grahamsville | New York Power Authority | Grahamsville, NY | New York Independent System Operator (NYIS) | 85.1 GWh | Dec 1955 | Dec 2025 | Water |
| West Delaware Tunnel Plant | Erie Boulevard Hydropower LP | Grahamsville, NY | New York Independent System Operator (NYIS) | 33.9 GWh | Nov 1988 | Dec 2025 | Water |
| Neversink | New York Power Authority | Grahmsville, NY | New York Independent System Operator (NYIS) | 11.6 GWh | Nov 1953 | Nov 2025 | Water |
| Atlantic Alumina, Gramercy Operations | Atalco Gramercy LLC | Gramercy, LA | Midcontinent Independent System Operator, Inc. (MISO) | 208.1 GWh | Jan 1958 | Dec 2024 | Natural Gas |
| Louisiana Sugar Refining | Louisiana Sugar Refining LLC | Gramercy, LA | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Aug 1930 | Dec 2025 | Natural Gas |
| DeCordova Steam Electric Station | Luminant Generation Company LLC | Granbury, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 48.8 GWh | Feb 1990 | Dec 2025 | Natural Gas : 90.9% Distillate Fuel Oil : 9.1% |
| Wolf Hollow I LP | Wolf Hollow I Power, LLC | Granbury, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.1 TWh | Jul 2003 | May 2026 | Natural Gas |
| Wolf Hollow II | Constellation Power, Inc | Granbury, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 4.9 TWh | May 2017 | May 2026 | Natural Gas |
| Granby Hydro | Northern Water Hydropower Enterprise | Granby, CO | Public Service Company of Colorado (PSCO) | 5.3 GWh | Apr 2016 | May 2026 | Water |
| Granby LFG | Industrial Power Services Corp. | Granby, MA | ISO New England (ISNE) | 1.7 GWh | Aug 2001 | Dec 2025 | Landfill Gas |
| Granby Solar, LLC CSG | Granby Solar, LLC | Granby, MA | ISO New England (ISNE) | 5.8 GWh | Jun 2021 | Dec 2025 | Solar |
| Kearsarge Granby | Kearsarge Granby LLC | Granby, MA | ISO New England (ISNE) | 3.6 GWh | Feb 2017 | Dec 2025 | Solar |
| Grand Blanc Generating Station | Energy Developments, Inc d/b/a EDL | Grand Blanc, MI | Midcontinent Independent System Operator, Inc. (MISO) | 50.2 GWh | Jun 1994 | Dec 2025 | Landfill Gas |
| Grand Coulee | U S Bureau of Reclamation | Grand Coulee, WA | Bonneville Power Administration (BPAT) | 18.3 TWh | Feb 1941 | May 2026 | Water |
| C W Burdick | City of Grand Island - (NE) | Grand Island, NE | Southwest Power Pool (SWPP) | 2.8 GWh | Sep 1957 | Dec 2025 | Natural Gas : 84.7% Distillate Fuel Oil : 15.3% |
| Platte | City of Grand Island - (NE) | Grand Island, NE | Southwest Power Pool (SWPP) | 395.7 GWh | Nov 1982 | Dec 2025 | Subbituminous Coal : 99.7% |
| Museum Drive East Solar | City of Grand Island - (NE) | Grand Island, NE | Southwest Power Pool (SWPP) | 20.0 GWh | Nov 2024 | Dec 2025 | Solar |
| NY Grand Island 871 Whitehaven Rd Solar | Grand Island Sunrise LLC | Grand Island, NY | New York Independent System Operator (NYIS) | 7.0 GWh | Feb 2024 | Dec 2025 | Solar |
| Comfort CSG | Nautilus Solar Solutions | Grand Island, NY | New York Independent System Operator (NYIS) | 7.8 GWh | Aug 2024 | Dec 2025 | Solar |
| Valley Sun Solar | Valley Sun Solar LLC | Grand Isle, ME | ISO New England (ISNE) | 3.1 GWh | Nov 2024 | Dec 2025 | Solar |
| Mesa CSG 1 Murdock | Standard Solar | Grand Junction, CO | Public Service Company of Colorado (PSCO) | 3.8 GWh | Apr 2019 | Dec 2025 | Solar |
| Mesa PV1 | CleanCapital Holdings | Grand Junction, CO | Public Service Company of Colorado (PSCO) | 1.9 GWh | Nov 2014 | Dec 2025 | Solar |
| Fruita | Public Service Co of Colorado | Grand Junction, CO | Public Service Company of Colorado (PSCO) | 1.8 GWh | May 1973 | Dec 2025 | Natural Gas |
| Redlands Water & Power | Redlands Water & Power Company | Grand Junction, CO | Public Service Company of Colorado (PSCO) | 7.3 GWh | Jul 1931 | Dec 2024 | Water |
| Grand Junction | City of Grand Junction - (IA) | Grand Junction, IA | Midcontinent Independent System Operator, Inc. (MISO) | 41.0 MWh | Nov 1994 | Dec 2025 | Distillate Fuel Oil |
| Rippey Wind Farm | Greenbacker Renewable Energy Corporation | Grand Junction, IA | Midcontinent Independent System Operator, Inc. (MISO) | 166.6 GWh | Jul 2012 | Dec 2025 | Wind |
| Delta Solar Power II | Delta Solar Power II, LLC | Grand Ledge, MI | Midcontinent Independent System Operator, Inc. (MISO) | 25.3 GWh | Jun 2018 | Dec 2025 | Solar |
| Delta Solar Power I | Delta Solar Power I, LLC | Grand Ledge, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.1 GWh | May 2018 | Dec 2025 | Solar |
| Grand River | Energy Developments, Inc d/b/a EDL | Grand Ledge, MI | Midcontinent Independent System Operator, Inc. (MISO) | 7.9 GWh | Mar 1991 | Dec 2025 | Landfill Gas |
| Grand Marais | City of Grand Marais - (MN) | Grand Marais, MN | Midcontinent Independent System Operator, Inc. (MISO) | 164.0 MWh | Jan 2004 | Dec 2025 | Distillate Fuel Oil |
| Prairie Star Wind Farm | High Prairie Wind Farm II LLC | Grand Meadow, MN | Midcontinent Independent System Operator, Inc. (MISO) | 303.3 GWh | Nov 2007 | Dec 2025 | Wind |
| Mower County Wind Energy Center | Northern States Power Co - Minnesota | Grand Meadow, MN | Midcontinent Independent System Operator, Inc. (MISO) | 334.0 GWh | Nov 2006 | Dec 2025 | Wind |
| Grand Meadow (PV) | OneEnergy, Inc. | Grand Meadow, MN | Midcontinent Independent System Operator, Inc. (MISO) | 425.0 MWh | Oct 2025 | Dec 2025 | Solar |
| WAL896 | Walmart Stores Texas, LLC | Grand Prairie, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 415.0 MWh | Sep 2021 | Dec 2025 | Natural Gas |
| Bissell Solar and Battery Generator | Consumers Energy Co - (MI) | Grand Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Aug 2021 | Dec 2025 | Solar |
| Cascade Dam (MI) | Eagle Creek Renewable Energy, LLC | Grand Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Nov 1986 | Dec 2025 | Water |
| Kent County Waste to Energy Facility | Kent County - (MI) | Grand Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 94.0 GWh | Sep 1989 | Apr 2026 | Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6% |
| Rapids Energy Center | ALLETE, Inc. | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 40.4 GWh | Dec 1942 | Dec 2025 | Natural Gas : 81.7% Water : 18.3% |
| Prairie River | ALLETE, Inc. | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Mar 1920 | Dec 2025 | Water |
| USS Itasca Clean Energy Solar LLC | United States Solar Corporation | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Jul 2022 | Dec 2025 | Solar |
| Kentucky Dam | Tennessee Valley Authority | Grand Rivers, KY | Tennessee Valley Authority (TVA) | 1.1 TWh | Aug 1944 | May 2026 | Water |
| Grand Ronde Solar | SunStrong Management | Grand Ronde, OR | Portland General Electric Company (PGE) | 3.6 GWh | Nov 2017 | Dec 2025 | Solar |
| Grand View Solar Two | Grand View PV Solar Two, LLC | Grand View, ID | Idaho Power Company (IPCO) | 181.1 GWh | Nov 2016 | May 2026 | Solar |
| Grandy PV 1 | Strata Manager, LLC | Grandy, NC | PJM Interconnection, LLC (PJM) | 24.9 GWh | Jan 2020 | Dec 2025 | Solar |
| St. Joseph Solar | Indiana Michigan Power Co | Granger, IN | PJM Interconnection, LLC (PJM) | 36.9 GWh | Feb 2021 | Dec 2025 | Solar |
| Mulberry Solar, LLC | Reactivate | Granite City, IL | PJM Interconnection, LLC (PJM) | 4.0 GWh | Oct 2024 | Dec 2025 | Solar |
| Granite City Works | United States Steel Granite City Works | Granite City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 447.9 GWh | May 2010 | May 2026 | Purchased Steam : 49.2% Natural Gas : 47.8% Blast Furnace Gas : 3.0% |
| Granite Falls | City of Granite Falls - (MN) | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Jul 1932 | Dec 2025 | Water |
| Crater Community Solar | Crater Community Solar | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 GWh | Nov 2017 | Dec 2025 | Solar |
| Palmer's Creek Wind Farm, LLC | Palmer's Creek Wind Farm, LLC | Granite Falls, MN | Southwest Power Pool (SWPP) | 131.8 GWh | Nov 2018 | May 2026 | Wind |
| MN CSG 2019-79 | MN CSG 2019-79 LLC | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 573.0 MWh | Apr 2025 | Dec 2025 | Solar |
| Brighter Future Solar | Brighter Future Solar LLC | Granite Falls, NC | Duke Energy Carolinas (DUK) | 20.8 GWh | Dec 2021 | Dec 2025 | Solar |
| Granite Falls Walmart | North Carolina Mun Power Agny #1 | Granite Falls, NC | Duke Energy Carolinas (DUK) | 123.0 MWh | Jul 2007 | Dec 2025 | Distillate Fuel Oil |
| Roundhouse Renewable Energy II | Roundhouse Renewable Energy II, LLC | Granite, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 391.8 GWh | Nov 2023 | May 2026 | Wind |
| AES Griggs Solar, LLC | AES Griggs Solar, LLC | Grant Park, IL | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2020 | Dec 2025 | Solar |
| Grant Town Power Plant | American Bituminous Power LP | Grant Town, WV | PJM Interconnection, LLC (PJM) | 557.3 GWh | Jun 1992 | Sep 2025 | Waste/Other Coal : 80.7% Natural Gas : 19.3% |
| North Fork Hydro Plant | Denver City & County of - (CO) | Grant, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 21.9 GWh | Dec 1987 | Dec 2025 | Water |
| Blueberry One | Cypress Creek Renewables | Grantham, NC | Duke Energy Carolinas (DUK) | 9.2 GWh | Dec 2015 | Dec 2025 | Solar |
| Grants CDEC 2 | Lightsource Renewable Energy Asset Management, LLC | Grants, NM | Public Service Company of New Mexico (PNM) | 11.5 GWh | Nov 2019 | Dec 2025 | Solar |
| Escalante (NM) | Origis Energy USA, Inc | Grants, NM | Public Service Company of New Mexico (PNM) | 514.8 GWh | May 2024 | May 2026 | Solar |
| Coogee Solar | SunStrong Management | Grantsboro, NC | Duke Energy Progress East (CPLE) | 10.7 GWh | Nov 2021 | Dec 2025 | Solar |
| Grantsburg Diesel | Northwestern Wisconsin Elec Co | Grantsburg, WI | Midcontinent Independent System Operator, Inc. (MISO) | 26.5 MWh | Nov 1963 | Dec 2025 | Distillate Fuel Oil |
| Elektron Solar, LLC | Elektron Solar, LLC | Grantsville, UT | PacifiCorp East (PACE) | 212.9 GWh | Apr 2024 | May 2026 | Solar |
| Putnam Solar 1 | Pivot Energy | Granville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Apr 2024 | Dec 2025 | Solar |
| Putnam Solar 1B | Pivot Energy | Granville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | May 2024 | Dec 2025 | Solar |
| Cobble Mountain | City of Holyoke Gas and Elec Dept - (MA) | Granville, MA | ISO New England (ISNE) | 7.1 GWh | Dec 1929 | Dec 2025 | Water |
| Denison Solar Array | Onsite Partners, LLC | Granville, OH | PJM Interconnection, LLC (PJM) | 2.6 GWh | Nov 2017 | May 2026 | Solar |
| WAL266 | Walmart Stores Texas, LLC | Grapevine, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 420.0 MWh | Oct 2021 | Dec 2025 | Natural Gas |
| Letts Creek Solar, LLC | AES Distributed Energy | Grass Lake, MI | Midcontinent Independent System Operator, Inc. (MISO) | 24.9 GWh | Nov 2022 | Dec 2025 | Solar |
| Narrows PH | Yuba County Water Agency - (CA) | Grass Valley, CA | California Independent System Operator (CISO) | 73.4 GWh | Nov 1942 | Dec 2025 | Water |
| Shaker | Nautilus Solar Solutions | Gray, ME | ISO New England (ISNE) | 6.2 GWh | Jun 2022 | Dec 2025 | Solar |
| Dynamic - Gray Solar | Altus Power America Management, LLC | Gray, ME | ISO New England (ISNE) | 5.2 GWh | Nov 2024 | Dec 2025 | Solar |
| Grayling Generating Station | NorthStar Clean Energy | Grayling, MI | Midcontinent Independent System Operator, Inc. (MISO) | 182.0 GWh | Apr 1992 | Dec 2025 | Wood/Wood Waste Solids |
| Nolan | LSE Crater LLC | Great Barrington, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2017 | Dec 2024 | Solar |
| Monument Valley | LSE Lepus LLC | Great Barrington, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2021 | Dec 2024 | Solar |
| Kearsarge GB | Kearsarge GB LLC | Great Barrington, MA | ISO New England (ISNE) | 2.9 GWh | Jul 2018 | Dec 2025 | Solar |
| Rising Paper | Altus Power America Management, LLC | Great Barrington, MA | ISO New England (ISNE) | 3.4 GWh | Apr 2016 | Dec 2025 | Solar |
| Rail Trail | Altus Power America Management, LLC | Great Barrington, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2016 | Dec 2025 | Solar |
| Great Bend - Sunflower | Sunflower Electric Power Corp | Great Bend, KS | Southwest Power Pool (SWPP) | 19.8 GWh | May 1963 | Dec 2025 | Natural Gas |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 377.3 GWh | Jul 1915 | Dec 2025 | Water |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 298.6 GWh | Feb 2013 | Dec 2025 | Water |
| Cochrane | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 215.3 GWh | Jun 1958 | Dec 2025 | Water |
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 |