Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Viola | Village of Viola - (WI) | Viola, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Dec 2001 | Dec 2024 | Distillate Fuel Oil |
| Panora | City of Panora - (IA) | Panora, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Dec 1987 | Dec 2024 | Distillate Fuel Oil |
| Shelby North | American Mun Power-Ohio, Inc | Shelby, OH | PJM Interconnection, LLC (PJM) | 5.0 MWh | May 2000 | Dec 2024 | Distillate Fuel Oil |
| Trinidad (CO) | City of Trinidad - (CO) | Trinidad, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 5.0 MWh | Apr 1950 | Dec 2024 | Distillate Fuel Oil |
| Gowrie | Gowrie Municipal Utilities | Gowrie, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Dec 2012 | Dec 2024 | Distillate Fuel Oil |
| Limestone CSG 1 LLC | Limestone CSG 1 LLC | Limestone, ME | ISO New England (ISNE) | 5.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Luz Solar | Luz Solar | Hartsville, SC | Duke Energy Progress East (CPLE) | 5.0 MWh | Nov 2024 | Dec 2024 | Solar |
| 118 Echo | Madison Energy Investments LLC | Mashpee, MA | ISO New England (ISNE) | 4.0 MWh | Jun 2023 | Dec 2024 | Solar |
| Kern Del Oro | REC KDO, LLC | Bakersfield, CA | California Independent System Operator (CISO) | 4.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Missile Street (CSG) | Nautilus Solar Solutions | Presque Island, ME | ISO New England (ISNE) | 4.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Moccasin Low Head Hydro Project | City & County of San Francisco | Moccasin, CA | California Independent System Operator (CISO) | 4.0 MWh | Jun 1987 | Nov 2024 | Water |
| Grand Junction | City of Grand Junction - (IA) | Grand Junction, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Nov 1994 | Dec 2024 | Distillate Fuel Oil |
| Rockford | City of Rockford- (IA) | Rockford, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Jul 1951 | Dec 2024 | Distillate Fuel Oil |
| Anthony | City of Anthony - (KS) | Anthony, KS | Southwest Power Pool (SWPP) | 4.0 MWh | Jul 1972 | Dec 2024 | Natural Gas : 92.6% Distillate Fuel Oil : 7.4% |
| 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% |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 | |
| 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 |
| 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 |
| Gilliam South | City of Stuart - (IA) | Stuart, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Jan 2001 | 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 |
| 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 |
| 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 |
| 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 |
| Lake Hallie | Standard Solar | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Grass River | Cypress Creek Renewables | Canton, NY | New York Independent System Operator (NYIS) | 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 October 2025 generation numbers.| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,041.22 GWh |
| Alaska | # 49 | 144 | 484.88 GWh |
| Arizona | # 11 | 184 | 9,400.73 GWh |
| Arkansas | # 24 | 116 | 5,068.08 GWh |
| California | # 4 | 1,734 | 16,078.58 GWh |
| Colorado | # 30 | 302 | 4,272.03 GWh |
| Connecticut | # 38 | 166 | 3,176.41 GWh |
| Delaware | # 48 | 33 | 521.87 GWh |
| District of Columbia | # 51 | 16 | 15.93 GWh |
| Florida | # 2 | 321 | 22,593.36 GWh |
| Georgia | # 6 | 262 | 11,885.65 GWh |
| Hawaii | # 47 | 73 | 845.96 GWh |
| Idaho | # 44 | 147 | 1,448.54 GWh |
| Illinois | # 5 | 382 | 15,897.55 GWh |
| Indiana | # 12 | 211 | 9,138.69 GWh |
| Iowa | # 18 | 292 | 6,552.01 GWh |
| Kansas | # 31 | 187 | 4,138.18 GWh |
| Kentucky | # 23 | 60 | 5,089.89 GWh |
| Louisiana | # 14 | 86 | 8,618.27 GWh |
| Maine | # 45 | 215 | 1,114.12 GWh |
| Maryland | # 35 | 203 | 3,540.16 GWh |
| Massachusetts | # 41 | 648 | 1,963.73 GWh |
| Michigan | # 9 | 272 | 10,045.59 GWh |
| Minnesota | # 27 | 765 | 4,687.69 GWh |
| Mississippi | # 20 | 57 | 6,085.50 GWh |
| Missouri | # 21 | 127 | 5,515.65 GWh |
| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,455.83 GWh |
| Nebraska | # 36 | 129 | 3,412.31 GWh |
| Nevada | # 33 | 114 | 3,578.95 GWh |
| New Hampshire | # 43 | 60 | 1,661.03 GWh |
| New Jersey | # 25 | 393 | 4,903.52 GWh |
| New Mexico | # 37 | 143 | 3,370.59 GWh |
| New York | # 8 | 956 | 10,108.60 GWh |
| North Carolina | # 13 | 906 | 9,082.37 GWh |
| North Dakota | # 34 | 60 | 3,554.85 GWh |
| Ohio | # 10 | 197 | 9,920.42 GWh |
| Oklahoma | # 17 | 142 | 7,167.46 GWh |
| Oregon | # 26 | 275 | 4,755.34 GWh |
| Pennsylvania | # 3 | 256 | 16,669.60 GWh |
| Rhode Island | # 46 | 100 | 886.30 GWh |
| South Carolina | # 15 | 208 | 8,061.53 GWh |
| South Dakota | # 42 | 52 | 1,892.35 GWh |
| Tennessee | # 22 | 88 | 5,198.50 GWh |
| Texas | # 1 | 947 | 48,837.92 GWh |
| Utah | # 39 | 125 | 3,044.05 GWh |
| Vermont | # 50 | 117 | 151.45 GWh |
| Virginia | # 19 | 239 | 6,515.03 GWh |
| Washington | # 16 | 137 | 7,971.98 GWh |
| West Virginia | # 29 | 39 | 4,608.16 GWh |
| Wisconsin | # 28 | 250 | 4,687.23 GWh |
| Wyoming | # 32 | 70 | 3,770.47 GWh |