Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Willford Solar, LLC | Willford Solar, LLC | Gladwin, MI | Midcontinent Independent System Operator, Inc. (MISO) | 41.1 GWh | Sep 2023 | Dec 2025 | Solar |
| Nooksack Hydro | Puget Sound Hydro LLC | Glacier, WA | Puget Sound Energy, Inc. (PSEI) | 20.2 GWh | Oct 1906 | Dec 2025 | Water |
| Woodward Mountain II | Pecos Wind II LP | Girvin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 132.5 GWh | Jun 2001 | Dec 2025 | Wind |
| Woodward Mountain I | Pecos Wind I LP | Girvin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 147.6 GWh | Jun 2001 | Dec 2025 | Wind |
| Greasewood II LLC | Greasewood II LLC | Girvin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 839.2 GWh | Sep 2024 | Aug 2026 | Solar |
| Erie Solar, LLC | Erie Solar, LLC | Girard, PA | PJM Interconnection, LLC (PJM) | 23.3 GWh | Jan 2025 | Dec 2025 | Solar |
| Girard (PA) RTO BTM | American Mun Power-Ohio, Inc | Girard, PA | PJM Interconnection, LLC (PJM) | 215.0 MWh | Feb 2022 | Dec 2025 | Distillate Fuel Oil |
| Greenbush-Heartland | Today's Power, Inc. | Girard, KS | Southwest Power Pool (SWPP) | 1.9 GWh | Apr 2021 | Dec 2025 | Solar |
| Girard | City of Girard - (KS) | Girard, KS | Southwest Power Pool (SWPP) | 41.0 MWh | Aug 1955 | Dec 2025 | Distillate Fuel Oil : 87.2% Natural Gas : 12.8% |
| Gilroy Peaking Energy Center | Calpine Gilroy Cogen LP | Gilroy, CA | California Independent System Operator (CISO) | 30.9 GWh | Oct 2001 | Dec 2025 | Natural Gas |
| Gilroy Power Plant | Calpine Gilroy Cogen LP | Gilroy, CA | California Independent System Operator (CISO) | 21.1 GWh | Sep 1987 | Dec 2025 | Natural Gas |
| Gilman Mill | Ampersand Gilman Hydro LP | Gilman, VT | ISO New England (ISNE) | 2.2 GWh | Dec 1940 | Dec 2025 | Water |
| Hannibal | OneEnergy, Inc. | Gillman, WI | Midcontinent Independent System Operator, Inc. (MISO) | 378.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Barber Creek | Basin Electric Power Coop | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 294.0 MWh | Aug 2002 | Dec 2025 | Natural Gas |
| Dry Fork Station | Basin Electric Power Coop | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 2.8 TWh | Oct 2011 | Aug 2026 | Subbituminous Coal : 99.8% |
| Neil Simpson Gas Turbine #2 | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 36.5 GWh | Mar 2001 | Dec 2025 | Natural Gas |
| Wygen 2 | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 595.6 GWh | Dec 2007 | Dec 2025 | Subbituminous Coal : 99.5% |
| Wygen III | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 95.0 GWh | Mar 2010 | Dec 2025 | Subbituminous Coal : 99.8% |
| Wygen 1 | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 582.5 GWh | Dec 2002 | Aug 2026 | Subbituminous Coal : 99.8% |
| Wyodak | PacifiCorp | Gillette, WY | PacifiCorp East (PACE) | 2.0 TWh | Aug 1978 | Aug 2026 | Subbituminous Coal : 99.9% |
| Neil Simpson II | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 641.8 GWh | Aug 1995 | Dec 2025 | Subbituminous Coal : 81.9% Natural Gas : 18.1% |
| Kearsarge Gill | Kearsarge Gill LLC | Gill, MA | ISO New England (ISNE) | 3.0 GWh | Dec 2017 | Dec 2025 | Solar |
| Gilead | Strata Manager, LLC | Gilead, NC | Duke Energy Progress East (CPLE) | 6.2 GWh | Nov 2019 | Dec 2025 | Solar |
| Allora Solar, LLC | Allora Solar, LLC | Gilbert, SC | South Carolina Public Service Authority (SC) | 159.3 GWh | Dec 2022 | Aug 2026 | Solar |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.2 TWh | Sep 1974 | Aug 2026 | Natural Gas |
| Gilbert Solar Facility I, LLC | Gilbert Solar Facility I, LLC | Gilbert, AZ | Arizona Public Service Company (AZPS) | 4.0 GWh | Sep 2011 | Dec 2025 | Solar |
| Gila Bend Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 72.1 GWh | Sep 2014 | Dec 2025 | Solar |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | Apr 2003 | Aug 2026 | Natural Gas |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 3.2 TWh | May 2003 | Aug 2026 | Natural Gas |
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.4 TWh | May 2003 | Aug 2026 | Natural Gas |
| RE Gillespie 1 LLC | MN8 Energy LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 38.7 GWh | Nov 2013 | Dec 2025 | Solar |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.2 TWh | Apr 2003 | Aug 2026 | Natural Gas |
| Solana Generating Station | Arizona Solar One LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 808.2 GWh | Sep 2013 | Aug 2026 | Solar |
| Cotton Center Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 29.4 GWh | Oct 2011 | Dec 2025 | Solar |
| Paloma Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 30.2 GWh | Aug 2011 | Dec 2025 | Solar |
| Big Boy | Cypress Creek Renewables | Gibsonville, NC | Duke Energy Carolinas (DUK) | 3.8 GWh | Nov 2014 | Dec 2025 | Solar |
| Big Bend Floating Solar I | Tampa Electric Co | Gibsonton, FL | Tampa Electric Company (TEC) | 1.2 GWh | Feb 2022 | Jan 2025 | Solar |
| Smith Solar Farm | Strata Manager, LLC | Gibson, NC | Duke Energy Progress East (CPLE) | 10.3 GWh | Jun 2019 | Dec 2025 | Solar |
| Henry Gibson Solar | Henry Gibson Solar, LLC | Gibson, NC | Duke Energy Carolinas (DUK) | 9.3 GWh | Oct 2024 | Dec 2025 | Solar |
| North Carolina Solar III LLC | SRE Utility Solar 1, LLC | Gibson, NC | Duke Energy Carolinas (DUK) | 8.3 GWh | Nov 2013 | Dec 2025 | Solar |
| Gibson City Energy Center LLC | Gibson City Energy Center LLC | Gibson City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 77.3 GWh | May 2000 | Dec 2025 | Natural Gas |
| Archtop Solar | Archtop Property Management LLC | Gibson City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 259.6 GWh | - | Aug 2026 | Solar |
| Drummer Creek I Solar LLC | Dimension Energy LLC | Gibson City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 170.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Gibbon Solar | Green Street Power Partners | Gibbon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | May 2019 | Dec 2025 | Solar |
| Ghent (NY) | Altus Power America Management, LLC | Ghent, NY | New York Independent System Operator (NYIS) | 7.9 GWh | May 2021 | Dec 2025 | Solar |
| Ghent | Kentucky Utilities Co | Ghent, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 10.2 TWh | Jan 1974 | Aug 2026 | Bituminous Coal : 99.9% |
| Spion Kop Wind Farm | NorthWestern Energy (MT wind/thermal) | Geyser, MT | NorthWestern Corporation (NWMT) | 97.7 GWh | Nov 2012 | Dec 2025 | Wind |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 268.1 GWh | Mar 2020 | Aug 2026 | Wind |
| Slate Creek Wind Project LLC | EDF Renewable Asset Holdings, Inc. | Geuda Springs, KS | Southwest Power Pool (SWPP) | 444.7 GWh | Nov 2015 | Dec 2025 | Wind |
| Bizer Creek | Altus Power America Management, LLC | Getzville, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Mar 2023 | Dec 2025 | Solar |
| Adams Solar LLC PA | Adams Solar LLC (PA) | Gettysburg, PA | PJM Interconnection, LLC (PJM) | 144.4 GWh | Nov 2023 | Aug 2026 | Solar |
| Hunterstown | Hunterstown Power, LLC | Gettysburg, PA | PJM Interconnection, LLC (PJM) | 24.5 GWh | Apr 1971 | Dec 2025 | Natural Gas |
| Hunterstown Power Plant | Hunterstown Generation, LLC | Gettysburg, PA | PJM Interconnection, LLC (PJM) | 5.8 TWh | Jun 2003 | Aug 2026 | Natural Gas |
| St Louis Solar | Neighborhood Power Corp. | Gervais, OR | Portland General Electric Company (PGE) | 3.9 GWh | Feb 2020 | Dec 2025 | Solar |
| Kale Patch Solar | Kale Patch Solar LLC | Gervais, OR | Portland General Electric Company (PGE) | 3.8 GWh | Sep 2019 | Dec 2025 | Solar |
| Interstate Solar | SunStrong Management | Gervais, OR | Portland General Electric Company (PGE) | 3.2 GWh | Nov 2017 | Dec 2025 | Solar |
| Omega Hills Gas Recovery | WM Renewable Energy LLC | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 77.6 GWh | Nov 1985 | Aug 2026 | Landfill Gas |
| Germantown | Wisconsin Electric Power Co | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 33.3 GWh | Jun 1978 | Dec 2025 | Natural Gas : 83.1% Distillate Fuel Oil : 16.9% |
| SV CSG German Valley 1 LLC | SunVest Solar LLC | German Valley, IL | PJM Interconnection, LLC (PJM) | 2.3 GWh | May 2025 | Dec 2025 | Solar |
| North Valley | North Valley | Gerlach, NV | Nevada Power Company (NEVP) | 185.2 GWh | Mar 2023 | Aug 2026 | Geothermal |
| San Emidio | USG Nevada LLC | Gerlach, NV | Nevada Power Company (NEVP) | 76.4 GWh | Apr 2012 | Dec 2025 | Geothermal |
| Saint Albans Solar | Cypress Creek Renewables | Georgia, VT | ISO New England (ISNE) | 7.3 GWh | Sep 2018 | Dec 2025 | Solar |
| SR Lambert II | SR Lambert II, LLC | Georgetown, SC | Duke Energy Carolinas (DUK) | 176.0 GWh | Nov 2025 | Aug 2026 | Solar |
| SR Lambert I, LLC | SR Lambert I, LLC | Georgetown, SC | Duke Energy Carolinas (DUK) | 174.3 GWh | Nov 2025 | Aug 2026 | Solar |
| International Paper Georgetown Mill | International Paper Co-GT Mill | Georgetown, SC | South Carolina Public Service Authority (SC) | 484.7 GWh | Dec 1965 | Dec 2024 | Black Liquor : 60.8% Wood/Wood Waste Solids : 19.3% Natural Gas : 11.2% Tire-derived Fuels : 8.0% Residual Fuel Oil : 0.6% |
| Winyah | South Carolina Public Service Authority | Georgetown, SC | South Carolina Public Service Authority (SC) | 4.4 TWh | Feb 1975 | Aug 2026 | Bituminous Coal : 99.6% |
| Brown County LFGTE Power Station | Energy Developments, Inc d/b/a EDL | Georgetown, OH | PJM Interconnection, LLC (PJM) | 26.4 GWh | May 2017 | Dec 2025 | Landfill Gas |
| Green City Recovery, LLC | Green City Recovery, LLC | Georgetown, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 1.2 GWh | Dec 2015 | Dec 2024 | Landfill Gas |
| DEC Phase II at Georgetown | Luminace Solar MC, LLC | Georgetown, DE | PJM Interconnection, LLC (PJM) | 5.2 GWh | Nov 2019 | Dec 2025 | Solar |
| Bruce A Henry Solar Farm | Delaware Electric Cooperative | Georgetown, DE | PJM Interconnection, LLC (PJM) | 6.2 GWh | Jul 2013 | Dec 2025 | Solar |
| Ameresco Delaware South | AMERESCO Delaware South | Georgetown, DE | PJM Interconnection, LLC (PJM) | 22.6 GWh | Nov 2006 | Dec 2025 | Landfill Gas |
| Cabin Creek | Public Service Co of Colorado | Georgetown, CO | Public Service Company of Colorado (PSCO) | 113.2 GWh | May 1967 | Jun 2026 | Water |
| Flint Creek | Southwestern Electric Power Co | Gentry, AR | Southwest Power Pool (SWPP) | 2.6 TWh | Apr 1978 | Aug 2026 | Subbituminous Coal : 99.8% |
| Genoa Diesel Generating Station | Village of Genoa - (OH) | Genoa, OH | PJM Interconnection, LLC (PJM) | 239.0 MWh | Nov 2004 | Dec 2025 | Distillate Fuel Oil |
| Geneva | WM Renewable Energy LLC | Geneva, OH | PJM Interconnection, LLC (PJM) | 16.4 GWh | Jun 2013 | Dec 2025 | Landfill Gas |
| Henkel U.S. Operations Corporation | Henkel U.S. Operations Corporation | Geneva, NY | New York Independent System Operator (NYIS) | 1.6 GWh | Dec 2011 | Aug 2026 | Wind |
| Route 14A CDG Solar North and South LLC | Route 14A CDG Solar North and South, LLC | Geneva, NY | New York Independent System Operator (NYIS) | 6.3 GWh | Nov 2018 | Dec 2025 | Solar |
| Strauss CSG | Nautilus Solar Solutions | Geneva, NY | New York Independent System Operator (NYIS) | 3.3 GWh | Aug 2019 | Dec 2025 | Solar |
| Hobart & William Smith College Gates Rd. | Dynamic Energy Holdings LLC | Geneva, NY | New York Independent System Operator (NYIS) | 2.9 GWh | Nov 2017 | Dec 2025 | Solar |
| Finger Lakes Solar I | Finger Lakes Solar I, LLC | Geneva, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Oct 2016 | Dec 2025 | Solar |
| Geneva Generation Facility | City of Geneva - (IL) | Geneva, IL | PJM Interconnection, LLC (PJM) | 12.7 GWh | May 2005 | Dec 2025 | Natural Gas |
| Seminole Energy | NextEra Renewable Fuels, LLC | Geneva, FL | Florida Power & Light Co. (FPL) | 10.6 GWh | Oct 2007 | Dec 2025 | Landfill Gas |
| Geneseo Solar | Helios Energy New York 15 LLC | Geneseo, NY | New York Independent System Operator (NYIS) | 6.1 GWh | Nov 2021 | Dec 2025 | Solar |
| NY Geneseo 3240 W Lake Rd Solar | NYSolar03 LLC | Geneseo, NY | New York Independent System Operator (NYIS) | 6.0 GWh | Jan 2024 | Dec 2025 | Solar |
| Geneseo | City of Geneseo - (IL) | Geneseo, IL | Midcontinent Independent System Operator, Inc. (MISO) | 7.5 GWh | Jun 1957 | Aug 2026 | Wind : 71.0% Solar : 21.4% Distillate Fuel Oil : 7.6% |
| Shell Chemical | Shell Chemical LP - Geismar | Geismar, LA | Midcontinent Independent System Operator, Inc. (MISO) | 585.3 GWh | Jul 2002 | Dec 2025 | Natural Gas |
| Geismar Cogen | Air Liquide Large Industries U S LP | Geismar, LA | Midcontinent Independent System Operator, Inc. (MISO) | 528.4 GWh | Dec 1999 | Dec 2025 | Natural Gas |
| Geismar | BASF Corporation | Geismar, LA | Midcontinent Independent System Operator, Inc. (MISO) | 625.6 GWh | Jun 1985 | Dec 2025 | Natural Gas : 85.5% Other Gas : 14.5% |
| SolarClub 28 LLC | Nautilus Solar Solutions | Gaylord, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2020 | Dec 2025 | Solar |
| Titlow Garden LLC CSG | Titlow Garden LLC | Gaylord, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Dec 2022 | Dec 2025 | Solar |
| Mud Garden Solar | Mud Garden LLC | Gaylord, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Feb 2020 | Dec 2025 | Solar |
| Gaylord - Wolverine | Wolverine Power Supply Coop | Gaylord, MI | Midcontinent Independent System Operator, Inc. (MISO) | 37.1 GWh | May 2001 | Dec 2025 | Natural Gas |
| Livingston Generating Station | CMS Generation MI Power LLC | Gaylord, MI | Midcontinent Independent System Operator, Inc. (MISO) | 22.3 GWh | May 1999 | Dec 2025 | Natural Gas |
| NY 24 Sherman LLC | NY 24 Sherman LLC | Gavensvoort, NY | New York Independent System Operator (NYIS) | 4.6 GWh | Sep 2025 | Dec 2025 | Solar |
| Glen Ferris Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 10.6 GWh | Dec 1911 | Dec 2025 | Water |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 366.3 GWh | May 1936 | Dec 2025 | Water |
| Big Cliff | USACE Northwestern Division | Gates, OR | Bonneville Power Administration (BPAT) | 61.1 GWh | Nov 1954 | Dec 2025 | Water |
| Gastonia, Tulip Drive | North Carolina Mun Power Agny #1 | Gastonia, NC | Duke Energy Carolinas (DUK) | 136.0 MWh | Jul 2005 | Dec 2025 | Distillate Fuel Oil |
| Gaston Memorial Hospital | City of Gastonia - (NC) | Gastonia, NC | Duke Energy Carolinas (DUK) | 6.0 MWh | Apr 2006 | Aug 2026 | Distillate Fuel Oil |
| Gastonia Solar Center | Adapture Renewables, Inc. | Gastonia, NC | Duke Energy Carolinas (DUK) | 8.1 GWh | Nov 2018 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |