Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Greensburg | Greensburg Wind Farm, LLC | Greensburg, KS | Southwest Power Pool (SWPP) | 10.5 GWh | Jan 2010 | Dec 2024 | Wind |
| Greensburg Solar | Today's Power, Inc. | Greensburg, KS | Southwest Power Pool (SWPP) | 2.3 GWh | May 2021 | Dec 2024 | Solar |
| Decatur Co. Solar RES (IN) | Hoosier Energy R E C, Inc | Greensburg, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Aug 2017 | Dec 2024 | Solar |
| White Street Renewables | White Street Renewables LLC | Greensboro, NC | Duke Energy Carolinas (DUK) | 15.6 GWh | May 2019 | Dec 2024 | Landfill Gas : 60.2% Solar : 39.8% |
| DE Solar 657 Brigham Rd | Duke Energy Carolinas, LLC | Greensboro, NC | Duke Energy Carolinas (DUK) | 580.0 MWh | Mar 2010 | Sep 2024 | Solar |
| Hawkeye Energy Greenport LLC | Hawkeye Energy Greenport LLC | Greenport, NY | New York Independent System Operator (NYIS) | 24.8 GWh | Jun 2003 | Dec 2024 | Kerosene |
| Southold | National Grid Generation LLC | Greenport, NY | New York Independent System Operator (NYIS) | 686.0 MWh | Jul 1964 | Dec 2024 | Distillate Fuel Oil |
| Greenport | Village of Greenport - (NY) | Greenport, NY | New York Independent System Operator (NYIS) | 15.0 MWh | May 1957 | Dec 2024 | Distillate Fuel Oil |
| Ross County Solar, LLC | Ross County Solar, LLC | Greenfield, OH | PJM Interconnection, LLC (PJM) | 185.9 GWh | - | Sep 2025 | Solar |
| Fayette Solar | National Grid Renewables | Greenfield, OH | PJM Interconnection, LLC (PJM) | 75.4 GWh | - | Sep 2025 | Solar |
| Greenfield Solar PV | NSTAR Electric Company | Greenfield, MA | ISO New England (ISNE) | 2.9 GWh | Dec 2018 | Dec 2024 | Solar |
| Arbor Hill Wind Farm | MidAmerican Energy Co | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Nov 2018 | Sep 2025 | Wind |
| Greenfield Wind | Greenfield Wind Power, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jul 2012 | Dec 2024 | Wind |
| Sky Volt | Sky Volt, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Jul 2012 | Dec 2024 | Wind |
| Meadow Ridge | Meadow Ridge Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jun 2012 | Dec 2024 | Wind |
| Wolverine | Wolverine Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Sep 2010 | Dec 2024 | Wind |
| North Generation Plant | City of Greenfield - (IA) | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 105.0 MWh | Dec 2001 | Dec 2024 | Distillate Fuel Oil |
| Arbor Hill Solar | MidAmerican Energy Co | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 45.6 GWh | Dec 2021 | Sep 2025 | Solar |
| Downtown Generation Plant | City of Greenfield - (IA) | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 58.0 MWh | Jun 2020 | Dec 2024 | Distillate Fuel Oil |
| Greenfield Solar Park | Indiana Municipal Power Agency | Greenfield, IN | PJM Interconnection, LLC (PJM) | 4.9 GWh | Nov 2017 | Dec 2024 | Solar |
| Foundation Scheid Vineyards | Foundation CA Fund VIII Manager, LLC | Greenfield, CA | California Independent System Operator (CISO) | 3.9 GWh | Aug 2017 | Dec 2024 | Wind |
| Axio Green LLC | Altus Power America Management, LLC | Greenfield Township, MA | ISO New England (ISNE) | 2.5 GWh | May 2012 | Dec 2024 | Solar |
| SR Greenville II | SR Greenville II, LLC | Greeneville, TN | Tennessee Valley Authority (TVA) | 9.4 GWh | Nov 2022 | Dec 2024 | Solar |
| Mountain View | Industrial Power Generating Company LLC | Greencastle, PA | PJM Interconnection, LLC (PJM) | 25.6 GWh | Feb 2003 | Dec 2024 | Landfill Gas : 95.5% Distillate Fuel Oil : 4.5% |
| Passadumkeag Windpark LLC | Southern Power Co | Greenbush, ME | ISO New England (ISNE) | 140.2 GWh | Jun 2016 | Sep 2025 | Wind |
| Sand Prairie Solar | DG Sand Prairie, LLC | Green Valley, IL | PJM Interconnection, LLC (PJM) | 136.0 MWh | Apr 2024 | Dec 2024 | Solar |
| General Chemical | Tata Chemicals Partners | Green River, WY | PacifiCorp East (PACE) | 201.1 GWh | Apr 1968 | Sep 2025 | Bituminous Coal : 75.6% Natural Gas : 24.4% |
| Sweetwater Solar | Onward Energy | Green River, WY | PacifiCorp East (PACE) | 173.3 GWh | Nov 2018 | Sep 2025 | Solar |
| Genesis Alkali | Genesis Alkali, LLC | Green River, WY | PacifiCorp East (PACE) | 259.5 GWh | May 1953 | Dec 2024 | Subbituminous Coal : 68.7% Natural Gas : 31.3% |
| Green Island Hydroelectric Station | Albany Engineering Corporation | Green Island, NY | New York Independent System Operator (NYIS) | 37.4 GWh | Oct 1922 | Dec 2024 | Water |
| Magnolia Springs Solar Center | Florida Power & Light Co | Green Cove Springs, FL | Florida Power & Light Co. (FPL) | 118.6 GWh | Feb 2021 | Sep 2025 | Solar |
| Terrill Creek | Florida Power & Light Co | Green Cove Springs, FL | Florida Power & Light Co. (FPL) | 162.5 GWh | Dec 2023 | Sep 2025 | Solar |
| Anhinga Solar Energy Center | Florida Power & Light Co | Green Cove Springs, FL | Florida Power & Light Co. (FPL) | 128.2 GWh | Dec 2022 | Sep 2025 | Solar |
| Pulliam | Wisconsin Public Service Corp | Green Bay, WI | Midcontinent Independent System Operator, Inc. (MISO) | 109.3 GWh | Aug 1949 | Sep 2025 | Natural Gas |
| Consumer Operations LLC | Georgia-Pacific Consumer Oper. Green Bay LLC | Green Bay, WI | Midcontinent Independent System Operator, Inc. (MISO) | 235.4 GWh | Dec 1953 | Sep 2025 | Natural Gas |
| Oak Leaf Solar XXVII LLC | Greenbacker Renewable Energy Corporation | Greely, CO | Public Service Company of Colorado (PSCO) | 3.5 GWh | Oct 2018 | Dec 2024 | Solar |
| Elk Wind Farm | Greenbacker Renewable Energy Corporation | Greeley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 178.3 GWh | Nov 2011 | Dec 2024 | Wind |
| Valley View Solar | SR Clinch, LLC | Greeley, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 9.2 GWh | Nov 2015 | Dec 2024 | Solar |
| USS Cogburn Solar LLC (CSG) | United States Solar Corporation | Greeley, CO | Public Service Company of Colorado (PSCO) | 13.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Alden Solar CSG LLC | Greenbacker Renewable Energy Corporation | Greeley, CO | Public Service Company of Colorado (PSCO) | 2.6 GWh | Feb 2020 | Dec 2024 | Solar |
| ECA CO Greeley | Green Street Power Partners | Greeley, CO | Public Service Company of Colorado (PSCO) | 78.0 MWh | Oct 2024 | Dec 2024 | Solar |
| Manchester Community College North | Onyx Asset Services Group | Great Path, CT | ISO New England (ISNE) | 1.5 GWh | Sep 2018 | Dec 2024 | Solar |
| Fishing Creek | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 139.5 GWh | Oct 1916 | Dec 2024 | Water |
| Dearborn | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 91.5 GWh | Feb 1923 | Dec 2024 | Water |
| Cedar Creek (SC) | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 164.6 GWh | Jul 1926 | Dec 2024 | Water |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 329.0 GWh | Feb 2013 | Dec 2024 | Water |
| Black Eagle | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 127.5 GWh | Aug 1927 | Dec 2024 | Water |
| Cochrane | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 228.0 GWh | Jun 1958 | Dec 2024 | Water |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 434.6 GWh | Jul 1915 | Dec 2024 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 255.0 GWh | Dec 1929 | Dec 2024 | Water |
| Horseshoe Bend Wind Park | Cycle Holdings, LLC | Great Falls, MT | NorthWestern Corporation (NWMT) | 108.0 MWh | Jan 2006 | Dec 2024 | Wind |
| Great Bend - Sunflower | Sunflower Electric Power Corp | Great Bend, KS | Southwest Power Pool (SWPP) | 51.9 GWh | May 1963 | Dec 2024 | Natural Gas |
| Kearsarge GB | Kearsarge GB LLC | Great Barrington, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2018 | Dec 2024 | Solar |
| Rail Trail | Altus Power America Management, LLC | Great Barrington, MA | ISO New England (ISNE) | 3.3 GWh | Apr 2016 | Dec 2024 | Solar |
| Rising Paper | Altus Power America Management, LLC | Great Barrington, MA | ISO New England (ISNE) | 3.7 GWh | Apr 2016 | Dec 2024 | Solar |
| 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 |
| Grayling Generating Station | NorthStar Clean Energy | Grayling, MI | Midcontinent Independent System Operator, Inc. (MISO) | 164.6 GWh | Apr 1992 | Dec 2024 | Wood/Wood Waste Solids : 99.8% |
| Shaker | Nautilus Solar Solutions | Gray, ME | ISO New England (ISNE) | 6.5 GWh | Jun 2022 | Dec 2024 | Solar |
| Narrows PH | Yuba County Water Agency | Grass Valley, CA | California Independent System Operator (CISO) | 80.8 GWh | Nov 1942 | Dec 2024 | Water |
| Letts Creek Solar, LLC | AES Distributed Energy | Grass Lake, MI | Midcontinent Independent System Operator, Inc. (MISO) | 28.1 GWh | Nov 2022 | Dec 2024 | Solar |
| WAL266 | Walmart Stores Texas, LLC | Grapevine, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 247.0 MWh | Oct 2021 | Dec 2024 | Natural Gas |
| Denison Solar Array | AEP Onsite Partners, LLC | Granville, OH | PJM Interconnection, LLC (PJM) | 2.0 GWh | Nov 2017 | Sep 2025 | Solar |
| Cobble Mountain | City of Holyoke Gas and Electric Dept. | Granville, MA | ISO New England (ISNE) | 7.8 GWh | Dec 1929 | Dec 2024 | Water |
| Putnam Solar 1 | Pivot Energy | Granville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Apr 2024 | Dec 2024 | Solar |
| Putnam Solar 1B | Pivot Energy | Granville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | May 2024 | Dec 2024 | Solar |
| Elektron Solar, LLC | Elektron Solar, LLC | Grantsville, UT | PacifiCorp East (PACE) | 212.3 GWh | Apr 2024 | Sep 2025 | Solar |
| Coogee Solar | Coogee Solar, LLC | Grantsboro, NC | Duke Energy Progress East (CPLE) | 11.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Escalante (NM) | Origis Energy USA, Inc | Grants, NM | Public Service Company of New Mexico (PNM) | 526.4 GWh | May 2024 | Sep 2025 | Solar |
| Grants CDEC 2 | Lightsource Renewable Energy Asset Management, LLC | Grants, NM | Public Service Company of New Mexico (PNM) | 12.1 GWh | Nov 2019 | Dec 2024 | Solar |
| Blueberry One | Cypress Creek Renewables | Grantham, NC | Duke Energy Carolinas (DUK) | 9.1 GWh | Dec 2015 | Dec 2024 | Solar |
| North Fork Hydro Plant | Denver City & County of | Grant, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 14.6 GWh | Dec 1987 | Dec 2024 | Water |
| 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% |
| AES Griggs Solar, LLC | AES Griggs Solar, LLC | Grant Park, IL | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2020 | Dec 2024 | Solar |
| Roundhouse Renewable Energy II | Roundhouse Renewable Energy II, LLC | Granite, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 371.6 GWh | Nov 2023 | Sep 2025 | Wind |
| Brighter Future Solar | Brighter Future Solar LLC | Granite Falls, NC | Duke Energy Carolinas (DUK) | 16.8 GWh | Dec 2021 | Dec 2024 | Solar |
| Granite Falls | City of Granite Falls - (MN) | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Jul 1932 | Dec 2024 | Water |
| Palmer's Creek Wind Farm, LLC | Palmer's Creek Wind Farm, LLC | Granite Falls, MN | Southwest Power Pool (SWPP) | 127.9 GWh | Nov 2018 | Sep 2025 | Wind |
| Crater Community Solar | Crater Community Solar | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Nov 2017 | Dec 2024 | Solar |
| Mulberry Solar, LLC | Reactivate | Granite City, IL | PJM Interconnection, LLC (PJM) | 2.1 GWh | Oct 2024 | Dec 2024 | Solar |
| Granite City Works | United States Steel Granite City Works | Granite City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 437.8 GWh | May 2010 | Sep 2025 | Natural Gas : 50.8% Purchased Steam : 49.2% |
| St. Joseph Solar | Indiana Michigan Power Co | Granger, IN | PJM Interconnection, LLC (PJM) | 37.8 GWh | Feb 2021 | Dec 2024 | Solar |
| Grandy PV 1 | Ecoplexus, Inc | Grandy, NC | PJM Interconnection, LLC (PJM) | 29.2 GWh | Jan 2020 | Dec 2024 | Solar |
| Grand View Solar Two | Grand View PV Solar Two, LLC | Grand View, ID | Idaho Power Company (IPCO) | 183.5 GWh | Nov 2016 | Sep 2025 | Solar |
| Grand Ronde Solar | NorWest Energy 14, LLC | Grand Ronde, OR | Portland General Electric Company (PGE) | 12.0 MWh | Nov 2017 | Dec 2024 | Solar |
| Kentucky Dam | Tennessee Valley Authority | Grand Rivers, KY | Tennessee Valley Authority (TVA) | 1.2 TWh | Aug 1944 | Sep 2025 | Water |
| Prairie River | ALLETE, Inc. | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Mar 1920 | Dec 2024 | Water |
| Rapids Energy Center | ALLETE, Inc. | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 40.2 GWh | Dec 1942 | Dec 2024 | Natural Gas : 77.3% Water : 22.7% |
| 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 |
| Bissell Solar and Battery Generator | Consumers Energy Co - (MI) | Grand Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 432.0 MWh | Aug 2021 | Dec 2024 | Solar |
| Cascade Dam (MI) | Eagle Creek Renewable Energy, LLC | Grand Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Nov 1986 | Dec 2024 | Water |
| Kent County Waste to Energy Facility | Kent County | Grand Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 100.2 GWh | Sep 1989 | Sep 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
| WAL896 | Walmart Stores Texas, LLC | Grand Prairie, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 240.0 MWh | Sep 2021 | Dec 2024 | Natural Gas |
| Mower County Wind Energy Center | Northern States Power Co - Minnesota | Grand Meadow, MN | Midcontinent Independent System Operator, Inc. (MISO) | 343.3 GWh | Nov 2006 | Dec 2024 | Wind |
| Prairie Star Wind Farm | High Prairie Wind Farm II LLC | Grand Meadow, MN | Midcontinent Independent System Operator, Inc. (MISO) | 298.2 GWh | Nov 2007 | Dec 2024 | Wind |
| 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 |
| Grand River | Energy Developments, Inc d/b/a EDL | Grand Ledge, MI | Midcontinent Independent System Operator, Inc. (MISO) | 7.4 GWh | Mar 1991 | Dec 2024 | Landfill Gas |
| Delta Solar Power II | Delta Solar Power II, LLC | Grand Ledge, MI | Midcontinent Independent System Operator, Inc. (MISO) | 26.3 GWh | Jun 2018 | Dec 2024 | Solar |
| Delta Solar Power I | Delta Solar Power I, LLC | Grand Ledge, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | May 2018 | Dec 2024 | Solar |
| Rippey Wind Farm | Greenbacker Renewable Energy Corporation | Grand Junction, IA | Midcontinent Independent System Operator, Inc. (MISO) | 154.4 GWh | Jul 2012 | Dec 2024 | Wind |
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 |