Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Payson | Payson City Corporation | Payson, UT | PacifiCorp East (PACE) | 4.0 MWh | May 1988 | Dec 2024 | Natural Gas : 95.9% Distillate Fuel Oil : 4.1% |
| Marceline | City of Marceline - (MO) | Marceline, MO | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Jul 1989 | Dec 2024 | Distillate Fuel Oil |
| Chappell | City of Chappell - (NE) | Chappell, NE | Southwest Power Pool (SWPP) | 4.0 MWh | Dec 1939 | Dec 2024 | Distillate Fuel Oil |
| Spalding | Village of Spalding - (NE) | Spalding, NE | Southwest Power Pool (SWPP) | 4.0 MWh | Jun 1919 | Dec 2024 | Water : 50.0% Distillate Fuel Oil : 50.0% |
| Emerson | City of Emerson - (NE) | Emerson, NE | Southwest Power Pool (SWPP) | 3.0 MWh | Dec 1946 | Dec 2024 | Natural Gas : 64.4% Distillate Fuel Oil : 35.6% |
| Laurel | City of Laurel - (NE) | Laurel, NE | Southwest Power Pool (SWPP) | 3.0 MWh | Dec 1955 | Dec 2023 | Distillate Fuel Oil |
| Holly | Town of Holly - (CO) | Holly, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 3.0 MWh | Dec 1992 | Dec 2024 | Distillate Fuel Oil |
| Murphy-Brown LLC | Murphy - Brown LLC | Warsaw, NC | Duke Energy Progress East (CPLE) | 3.0 MWh | Jun 1995 | Jul 2025 | Distillate Fuel Oil |
| City Light & Water | City of Blue Hill - (NE) | Blue Hill, NE | Southwest Power Pool (SWPP) | 3.0 MWh | Dec 1986 | Dec 2024 | Distillate Fuel Oil |
| PS ST-8 Engine No 1 | City of Columbus - (OH) | Columbus, OH | PJM Interconnection, LLC (PJM) | 3.0 MWh | Dec 2007 | Dec 2023 | Distillate Fuel Oil |
| Mechanic Street (CSG) | Nautilus Solar Solutions | Presque Island, ME | ISO New England (ISNE) | 3.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Machesney Park | Solar DG IL 1 LLC | Machesney Park, IL | PJM Interconnection, LLC (PJM) | 3.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Melrose 2 | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 MWh | Feb 2014 | Dec 2024 | Distillate Fuel Oil |
| TX Houston 7080 Express Lane | Catalyze Houston Express Lane Microgrid, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.0 MWh | - | Jun 2024 | Solar |
| Signature Breads Chelsea | JDC 65R Owner, LLC | Chelsea, MA | ISO New England (ISNE) | 2.0 MWh | Apr 2019 | Dec 2023 | Distillate Fuel Oil |
| Kuihelani Substation | Maui Electric Co Ltd | Kahului, HI | 2.0 MWh | Jul 2023 | Dec 2024 | Distillate Fuel Oil | |
| Water Treatment Plant Generators | City of Manassas - (VA) | Gainesville, VA | PJM Interconnection, LLC (PJM) | 2.0 MWh | Mar 2007 | Dec 2024 | Distillate Fuel Oil |
| Harlan | Harlan Municipal Utilities - (IA) | Harlan, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Jun 2001 | Dec 2024 | Distillate Fuel Oil |
| Plant Four | City of Marquette - (MI) | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Apr 1979 | Dec 2024 | Distillate Fuel Oil |
| Fairfax | City of Fairfax - (MN) | Fairfax, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Jul 2001 | Dec 2024 | Distillate Fuel Oil |
| Central Energy Facility | Clemson University - Main Campus | Clemson, SC | Duke Energy Carolinas (DUK) | 2.0 MWh | Apr 2000 | Aug 2025 | Natural Gas |
| Deshler | City of Deshler - (NE) | Deshler, NE | Southwest Power Pool (SWPP) | 2.0 MWh | Dec 1949 | Dec 2024 | Distillate Fuel Oil |
| Elroy | City of Elroy - (WI) | Elroy, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Apr 1973 | Dec 2024 | Distillate Fuel Oil |
| Gilliam South | City of Stuart - (IA) | Stuart, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Jan 2001 | Dec 2024 | Distillate Fuel Oil |
| ST-1/1A Engine No 1 | City of Columbus - (OH) | Columbus, OH | PJM Interconnection, LLC (PJM) | 2.0 MWh | Dec 2007 | Dec 2023 | Distillate Fuel Oil |
| Water Filter Plant #2 | City of Morganton - (NC) | Morganton, NC | Duke Energy Carolinas (DUK) | 1.0 MWh | Apr 2013 | Dec 2024 | Distillate Fuel Oil |
| Renick Run Pumping Station 03-04 | City of Columbus - (OH) | Columbus, OH | PJM Interconnection, LLC (PJM) | 1.0 MWh | Aug 2006 | Dec 2023 | Distillate Fuel Oil |
| Dodge Park Engine No 1 | City of Columbus - (OH) | Columbus, OH | PJM Interconnection, LLC (PJM) | 1.0 MWh | Dec 2007 | Dec 2024 | Distillate Fuel Oil |
| Main Street (MI) | Village of Sebewaing - (MI) | Sebewaing, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | May 1947 | Dec 2023 | Distillate Fuel Oil |
| Springfield (MN) | Springfield Public Utils Comm - (MN) | Springfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | May 1994 | Dec 2024 | Distillate Fuel Oil |
| Butler Municipal Power Plant | City of Butler - (MO) | Butler, MO | Southwest Power Pool (SWPP) | 1.0 MWh | May 1946 | Dec 2024 | Distillate Fuel Oil |
| Norwich WWTP | City of Norwich - (CT) | Norwich, CT | ISO New England (ISNE) | 1.0 MWh | Apr 2006 | Mar 2024 | Distillate Fuel Oil |
| CASD Solar | Carlisle Area School District | Carlisle, PA | PJM Interconnection, LLC (PJM) | 1.0 MWh | Sep 2010 | Dec 2023 | Solar |
| Unionville City of | City of Unionville - (MO) | Unionville, MO | Associated Electric Cooperative, Inc. (AECI) | 1.0 MWh | Dec 1934 | Dec 2024 | Distillate Fuel Oil |
| 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 |
| Madison Utilities | City of Madison - (NE) | Madison, NE | Southwest Power Pool (SWPP) | 1.0 MWh | Mar 1953 | Dec 2024 | Distillate Fuel Oil |
| Grass River | Cypress Creek Renewables | Canton, NY | New York Independent System Operator (NYIS) | 1.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Lake Hallie | Standard Solar | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Nov 2024 | Dec 2024 | Solar |
| HEB00790 | Generate ER-NG, LLC | Plano, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 980.0 kWh | Aug 2022 | Dec 2024 | Natural Gas |
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 |