Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 134.4 GWh | Oct 1911 | Dec 2024 | Water |
| Hattiesburg Solar Farm | Hattiesburg Farm, LLC | Hattiesburg, MS | Southern Company Services, Inc. - Trans (SOCO) | 89.9 GWh | Sep 2017 | Sep 2025 | Solar |
| Hatfield Solar PV | NSTAR Electric Company | Hatfield, MA | ISO New England (ISNE) | 5.7 GWh | Nov 2018 | Dec 2024 | Solar |
| Hatfield Renewables Community Solar | Hatfield Renewables, LLC | Hatfield, MA | ISO New England (ISNE) | 2.9 GWh | Aug 2017 | Dec 2024 | Solar |
| Hatfield PA BTM | American Mun Power-Ohio, Inc | Hatfield, PA | PJM Interconnection, LLC (PJM) | 160.0 MWh | Nov 2022 | Dec 2024 | Distillate Fuel Oil |
| Hatchet Ridge Wind Project | Pattern Operators LP | Burney, CA | California Independent System Operator (CISO) | 268.2 GWh | Nov 2010 | Dec 2024 | Wind |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 22.6 GWh | Nov 1986 | Dec 2024 | Water |
| Hatch Solar Energy Center I, LLC | Hatch Solar Energy Center I, LLC | Hatch, NM | El Paso Electric Company (EPE) | 11.7 GWh | May 2011 | Sep 2025 | Solar |
| Hat Rapids | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | May 1923 | Dec 2024 | Water |
| Hat Creek 2 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 26.0 GWh | Aug 1921 | Dec 2024 | Water |
| Hat Creek 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 26.8 GWh | Jul 1921 | Dec 2024 | Water |
| Hastings Solar | Enel Green Power NA, Inc. | Hastings, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.5 GWh | Nov 2016 | Dec 2024 | Solar |
| Hastings Community Solar Farm | City of Hastings - (NE) | Hastings, NE | Southwest Power Pool (SWPP) | 3.5 GWh | Aug 2019 | Dec 2024 | Solar |
| Hastings City Hydroelectric | Hastings Lock & Dam | Hastings, MN | Midcontinent Independent System Operator, Inc. (MISO) | 13.3 GWh | Dec 1991 | Dec 2024 | Water |
| Harwich Landfill | Clean Focus Yield, LLC | Harwich, MA | ISO New England (ISNE) | 5.7 GWh | Jul 2014 | Dec 2024 | Solar |
| Harvey County | Today's Power, Inc. | Newton, KS | Southwest Power Pool (SWPP) | 2.5 GWh | Apr 2021 | Dec 2024 | Solar |
| Harvest Wind Project | Harvest Wind Project TIC | Roosevelt, WA | Bonneville Power Administration (BPAT) | 263.7 GWh | Nov 2009 | Dec 2024 | Wind |
| Harvest Ridge Wind Farm | Harvest Ridge Wind Farm | Newman, IL | Midcontinent Independent System Operator, Inc. (MISO) | 677.9 GWh | Jun 2020 | Sep 2025 | Wind |
| Harvest Gold Solar | Harvest Gold Solar Power, LLC | Indianola, MS | Midcontinent Independent System Operator, Inc. (MISO) | 192.6 GWh | Jul 2024 | Sep 2025 | Solar |
| Harvest Beulaville, LLC | Cardinal Renewables | Beulaville, NC | Duke Energy Progress East (CPLE) | 3.5 GWh | Mar 2017 | Dec 2024 | Solar |
| Harvest 2 | Harvest II Windfarm, LLC | Elkton, MI | Midcontinent Independent System Operator, Inc. (MISO) | 201.8 GWh | Oct 2012 | Dec 2024 | Wind |
| Harvest | Harvest Windfarm, LLC | Elkton, MI | Midcontinent Independent System Operator, Inc. (MISO) | 115.8 GWh | Dec 2007 | Dec 2024 | Wind |
| Hartzog | Basin Electric Power Coop | Wright, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 178.0 MWh | Jul 2002 | Dec 2024 | Natural Gas |
| Hartz Way | Hartz Solar, LLC | Secaucus, NJ | PJM Interconnection, LLC (PJM) | 768.0 MWh | Nov 2010 | Dec 2024 | Solar |
| Hartwell Lake | USCE-Savannah District | Hartwell, GA | Southeastern Power Administration (SEPA) | 422.6 GWh | Mar 1962 | Dec 2024 | Water |
| Hartwell Energy Facility | Oglethorpe Power Corporation | Hartwell, GA | Southern Company Services, Inc. - Trans (SOCO) | 174.9 GWh | Mar 1994 | Dec 2024 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Harts Mill Solar, LLC | Harts Mills Solar, LLC | Tarboro, NC | PJM Interconnection, LLC (PJM) | 173.0 GWh | Nov 2020 | Sep 2025 | Solar |
| Hartmann Project CSG | Hartmann Community Solar LLC | Saint Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Nov 2019 | Dec 2024 | Solar |
| Hartland Solar | Madison Energy Holdings LLC | Hartland, ME | ISO New England (ISNE) | 6.9 GWh | Nov 2021 | Dec 2024 | Solar |
| Hartford Landfill Solar EGF | Materials Innovation Recycling Authority | Hartford, CT | ISO New England (ISNE) | 1.2 GWh | May 2014 | Dec 2024 | Solar |
| Hartford Hospital Cogeneration | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 39.5 GWh | Jun 1988 | Dec 2024 | Natural Gas |
| Hart Wind | Hart Wind Project, LLC | Hart, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 140.9 GWh | - | Sep 2025 | Wind |
| Harry Truman | USCE-Kansas City District | Warsaw, MO | Southwestern Power Administration (SPA) | 236.8 GWh | Nov 1979 | Sep 2025 | Water |
| Harry L. Oswald | Arkansas Electric Coop Corp | Little Rock, AR | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Jun 2002 | Dec 2024 | Natural Gas |
| Harry D Mattison Gas Plant | Southwestern Electric Power Co | Tontitown, AR | Southwest Power Pool (SWPP) | 278.7 GWh | Jun 2007 | Nov 2024 | Natural Gas |
| Harry Allen Solar Energy LLC | Invenergy Services LLC | Apex, NV | Nevada Power Company (NEVP) | 296.7 GWh | Apr 2021 | Sep 2025 | Solar |
| Harry Allen | Nevada Power Co | Las Vegas, NV | Nevada Power Company (NEVP) | 3.1 TWh | Apr 1995 | Sep 2025 | Natural Gas |
| Harrison Solar, LLC | Harrison Solar, LLC | Roseboro, NC | Duke Energy Progress East (CPLE) | 10.0 GWh | Nov 2020 | Dec 2024 | Solar |
| Harrison County Power Project | Northeast Texas Elec Coop, Inc | Marshall, TX | Southwest Power Pool (SWPP) | 2.7 TWh | May 2003 | Sep 2025 | Natural Gas |
| Harrisburg Facility | Harrisburg Authority | Harrisburg, PA | PJM Interconnection, LLC (PJM) | 102.6 GWh | Mar 2006 | Sep 2025 | Non-biogenic Municipal Solid Waste : 52.5% Biogenic Municipal Solid Waste : 42.9% Natural Gas : 4.6% |
| Harris Shiloh | Westbound Solar LLC | Shiloh, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.3 GWh | Mar 2020 | Dec 2024 | Solar |
| Harris Lake | New York State Elec & Gas Corp | Town of Newcomb, NY | New York Independent System Operator (NYIS) | 1.0 MWh | Aug 1967 | Dec 2024 | Distillate Fuel Oil |
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | ISO New England (ISNE) | 170.4 GWh | Dec 1953 | Dec 2024 | Water |
| Harris Farms Solar Facility | Harris Farms Inc | Coalinga, CA | California Independent System Operator (CISO) | 3.0 GWh | Feb 2024 | Dec 2024 | Solar |
| Harris Dam | Alabama Power Co | Lineville, AL | Southern Company Services, Inc. - Trans (SOCO) | 115.6 GWh | Mar 1983 | Dec 2024 | Water |
| Harris | Duke Energy Progress - (NC) | New Hill, NC | Duke Energy Progress East (CPLE) | 8.6 TWh | Apr 1987 | Sep 2025 | Nuclear |
| Harrington | Southwestern Public Service Co | Amarillo, TX | Southwest Power Pool (SWPP) | 2.3 TWh | Dec 1975 | Sep 2025 | Natural Gas : 88.2% Subbituminous Coal : 11.8% |
| Harriman | Great River Hydro, LLC | Whitingham, VT | ISO New England (ISNE) | 91.5 GWh | Apr 1924 | Dec 2024 | Water |
| Harrell's Hill Solar Center LLC | SRE Utility Solar 1, LLC | Mt. Olive, NC | Duke Energy Progress East (CPLE) | 8.5 GWh | Nov 2015 | Dec 2024 | Solar |
| Harrah's Atlantic City - POI 2 (Self Par | Distributed Solar Development, LLC | Atlantic City, NJ | PJM Interconnection, LLC (PJM) | 1.0 GWh | Aug 2024 | Dec 2024 | Solar |
| Harquahala Sun Solar Project | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 228.0 GWh | - | Sep 2025 | Solar |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | New Harquahala Generating Company, LLC (HGMA) | 3.5 TWh | May 2004 | Sep 2025 | Natural Gas |
| Harquahala 2 | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 494.8 GWh | - | Sep 2025 | Solar |
| Harpster Wind | OEE XVII, LLC | Harpster, OH | PJM Interconnection, LLC (PJM) | 3.1 GWh | Dec 2015 | Sep 2025 | Wind |
| Harmony Solar (ME) | Maine DG Solar Harmony, LLC | Harmony, ME | ISO New England (ISNE) | 8.9 GWh | Jul 2022 | Dec 2024 | Solar |
| Harmony Solar (FL) | Harmony Florida Solar LLC | St. Cloud, FL | Florida Municipal Power Pool (FMPP) | 174.5 GWh | May 2020 | Sep 2025 | Solar |
| Harmony Road Solar | Forefront Power, LLC | Huntley, IL | PJM Interconnection, LLC (PJM) | 2.1 GWh | Aug 2020 | Dec 2024 | Solar |
| Harmony Florida Solar II | Harmony Florida Solar II, LLC | Kissimmee, FL | Duke Energy Florida, Inc. (FPC) | 158.0 GWh | Nov 2024 | Sep 2025 | Solar |
| Harmony | NJR Clean Energy Ventures Corporation | Phillipsburg, NJ | PJM Interconnection, LLC (PJM) | 4.1 GWh | May 2015 | Dec 2024 | Solar |
| Harmon DC Totowa NJ | Taft Associates c/o Wilson Associates | Totowa, NJ | PJM Interconnection, LLC (PJM) | 1.1 GWh | Dec 2011 | Dec 2024 | Solar |
| Harley-Davison Powertrain Operations | Wisconsin Electric Power Co | Menomonee Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Sep 2020 | Dec 2024 | Solar |
| Harlem River Yard | New York Power Authority | Bronx, NY | New York Independent System Operator (NYIS) | 109.7 GWh | Jun 2001 | Dec 2024 | Natural Gas |
| Harlan | Harlan Municipal Utilities - (IA) | Harlan, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Jun 2001 | Dec 2024 | Distillate Fuel Oil |
| Hargis-Hebert Electric Generating | Lafayette Utilities System | Lafayette, LA | Midcontinent Independent System Operator, Inc. (MISO) | 52.7 GWh | May 2006 | Dec 2024 | Natural Gas |
| Harford Solar Farm | Laertes Solar LLC | Harford, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Nov 2016 | Dec 2024 | Solar |
| Hardy Hills Solar Energy LLC | Hardy Hills Solar LLC | Frankfort, IN | Midcontinent Independent System Operator, Inc. (MISO) | 362.2 GWh | Feb 2024 | Sep 2025 | Solar |
| Hardy | Consumers Energy Co - (MI) | Newaygo, MI | Midcontinent Independent System Operator, Inc. (MISO) | 71.6 GWh | May 1931 | Dec 2024 | Water |
| Hardwick-Athol & Eagle Hill | SEC CRSD Solar One, LLC | Hardwick, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2015 | Dec 2024 | Solar |
| Hardscrabble Wind Power LLC | Avangrid Power LLC | Little Falls, NY | New York Independent System Operator (NYIS) | 163.8 GWh | Dec 2010 | Dec 2024 | Wind |
| Hardison Farm Solar, LLC | Cypress Creek Renewables | Williamston, NC | PJM Interconnection, LLC (PJM) | 9.9 GWh | Aug 2016 | Dec 2024 | Solar |
| Harding Street | AES Indiana | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 TWh | May 1958 | Sep 2025 | Natural Gas |
| Harding Solar, LLC | SolRiver Capital LLC | Hookerton, NC | Duke Energy Carolinas (DUK) | 6.9 GWh | Feb 2024 | Dec 2024 | Solar |
| Hardin Solar III | Hardin Solar Energy III | Alger, OH | PJM Interconnection, LLC (PJM) | 390.8 GWh | - | Sep 2025 | Solar |
| Hardin Solar Energy LLC | Dominion Renewable Energy | Alger, OH | PJM Interconnection, LLC (PJM) | 293.0 GWh | Jan 2021 | Sep 2025 | Solar |
| Hardin Solar Energy II LLC | Invenergy Services LLC | Belle Center, OH | PJM Interconnection, LLC (PJM) | 289.0 GWh | Nov 2024 | Sep 2025 | Solar |
| Hardin Hilltop Wind LLC | Junction Hilltop Management LLC | Jefferson, IA | Midcontinent Independent System Operator, Inc. (MISO) | 32.4 GWh | Apr 2007 | Dec 2024 | Wind |
| Hardin Generator Project | Heorot Power Management | Hardin, MT | NorthWestern Corporation (NWMT) | 481.0 GWh | Feb 2006 | Dec 2024 | Subbituminous Coal : 97.5% Bituminous Coal : 1.6% Natural Gas : 0.9% |
| Hardin County Peaking Facility | Entergy Texas Inc. | Kountze, TX | Midcontinent Independent System Operator, Inc. (MISO) | 194.6 GWh | Jun 2001 | Dec 2024 | Natural Gas |
| Hardin County LFGTE | East Kentucky Power Coop, Inc | Elizabethtown, KY | PJM Interconnection, LLC (PJM) | 10.3 GWh | Dec 2005 | Dec 2024 | Landfill Gas |
| Hardeetown Solar Power Plant | Duke Energy Florida, LLC | Chiefland, FL | Duke Energy Florida, Inc. (FPC) | 156.3 GWh | Mar 2023 | Sep 2025 | Solar |
| Hardee Power Station | Invenergy Services LLC | Bowling Green, FL | Tampa Electric Company (TEC) | 839.0 GWh | Dec 1992 | Sep 2025 | Natural Gas : 99.9% |
| Harbor Road Solar 1 | Harbor Road Solar 1, LLC | Cheshire, MA | ISO New England (ISNE) | 2.9 GWh | Nov 2021 | Dec 2024 | Solar |
| Harbor Cogen | Harbor Cogeneration Co. | Wilmington, CA | California Independent System Operator (CISO) | 17.4 GWh | Nov 1988 | Dec 2024 | Natural Gas |
| Harbor | Los Angeles Department of Water & Power | Wilmington, CA | Los Angeles Department of Water and Power (LDWP) | 162.9 GWh | Jun 1949 | Sep 2025 | Natural Gas |
| Harbec Energy | Harbec Energy | Ontario, NY | New York Independent System Operator (NYIS) | 598.0 MWh | Nov 2001 | Dec 2024 | Natural Gas : 97.3% Wind : 2.7% |
| Happy Solar 1 | Lightsource Renewable Energy Asset Management, LLC | Searcy, AR | Midcontinent Independent System Operator, Inc. (MISO) | 221.2 GWh | Sep 2023 | Sep 2025 | Solar |
| Happy Solar | Cypress Creek Renewables | Four Oaks, NC | Duke Energy Progress East (CPLE) | 6.6 GWh | Dec 2015 | Dec 2024 | Solar |
| Happy Jack Windpower Project | Duke Energy Renewables Services | Cheyenne, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 59.3 GWh | Jul 2008 | Sep 2025 | Wind |
| Happy Hollow CSG Hybrid | REA Investments, LLC | Winchendon, MA | ISO New England (ISNE) | 8.6 GWh | Sep 2019 | Dec 2024 | Solar |
| Hanover Solar, LLC | MN8 Energy LLC | Maysville, NC | Duke Energy Carolinas (DUK) | 10.2 GWh | Mar 2018 | Dec 2024 | Solar |
| Hanover | NJR Clean Energy Ventures Corporation | Wrightstown, NJ | PJM Interconnection, LLC (PJM) | 7.5 GWh | Aug 2015 | Dec 2024 | Solar |
| Hannawa | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 52.5 GWh | Dec 1913 | Dec 2024 | Water |
| Hank Nikkels Plant 1 | Chugach Electric Assn Inc | Anchorage, AK | 41.2 GWh | Feb 1962 | Dec 2024 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% | |
| Hanging Rock Energy Facility | Dynegy Hanging Rock Energy Facility | Ironton, OH | PJM Interconnection, LLC (PJM) | 9.0 TWh | May 2003 | Sep 2025 | Natural Gas |
| Hanford Energy Park Peaker | MRP San Joaquin Energy LLC. | Hanford, CA | California Independent System Operator (CISO) | 6.1 GWh | Aug 2001 | Sep 2025 | Natural Gas |
| Hanford 1 and 2 | Arevon Energy, Inc. | Hanford, CA | California Independent System Operator (CISO) | 5.0 GWh | Jul 2014 | Dec 2024 | Solar |
| Handsome Lake Energy LLC | Handsome Lake Energy LLC | Kennerdell, PA | PJM Interconnection, LLC (PJM) | 84.2 GWh | Jun 2001 | Dec 2024 | Natural Gas |
| Handley | Constellation Power, Inc | Fort Worth, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 859.4 GWh | Jun 1963 | Sep 2025 | Natural Gas |
| Hancock Wind Plant | Onward Energy | T22 MD, ME | ISO New England (ISNE) | 121.2 GWh | Nov 2016 | Sep 2025 | Wind |
| Hancock Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 23.0 GWh | Jan 2018 | Dec 2024 | Water |
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 |