Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| CA - Madera USD - Madera South HS | Forefront Power, LLC | Madera, CA | California Independent System Operator (CISO) | 2.3 GWh | Aug 2023 | Dec 2024 | Solar |
| City of Madera WWTP | SunE GIL1, LLC | Madera, CA | California Independent System Operator (CISO) | 1.7 GWh | Aug 2009 | Dec 2025 | Solar |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 1.8 GWh | Jan 1985 | Jun 2025 | Water |
| Foundation Cemex Madison | Foundation CA Fund V Manager, LLC | Madison, CA | California Independent System Operator (CISO) | 1.5 GWh | Jul 2012 | Dec 2025 | Wind |
| Clifty Creek | Indiana-Kentucky Electric Corp | Madison, IN | PJM Interconnection, LLC (PJM) | 6.0 TWh | Jan 1955 | May 2026 | Bituminous Coal : 97.8% Subbituminous Coal : 2.1% |
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | ISO New England (ISNE) | 100.6 GWh | Dec 1949 | Dec 2025 | Water |
| IOS - MEW Phase 1 | Madison Energy Holdings LLC | Madison, ME | ISO New England (ISNE) | 1.0 GWh | Dec 2016 | Dec 2024 | Solar |
| Dynamic Madison (CSG) | MN8 Energy LLC | Madison, ME | ISO New England (ISNE) | 9.5 GWh | Jul 2022 | Dec 2025 | Solar |
| Madison Solar (NE) | MMPS1, LLC | Madison, NE | Southwest Power Pool (SWPP) | 2.9 GWh | Apr 2025 | Dec 2025 | Solar |
| Madison Utilities | City of Madison - (NE) | Madison, NE | Southwest Power Pool (SWPP) | 15.0 MWh | Mar 1953 | Dec 2025 | Distillate Fuel Oil |
| Munnsville Wind Farm LLC | RWE Clean Energy | Madison, NY | New York Independent System Operator (NYIS) | 93.4 GWh | Sep 2007 | Dec 2025 | Wind |
| Madison Windpower LLC | Madison Windpower LLC | Madison, NY | New York Independent System Operator (NYIS) | 543.0 MWh | Sep 2000 | Sep 2025 | Wind |
| IGS CMH4, LLC | Altus Power America Management, LLC | Madison, OH | PJM Interconnection, LLC (PJM) | 6.4 GWh | Jun 2023 | Dec 2025 | Solar |
| Music City Community Solar | Nashville Electric Service | Madison, TN | Tennessee Valley Authority (TVA) | 2.4 GWh | Jul 2018 | Dec 2025 | Solar |
| Providence Solar | Providence Solar Center, LLC | Madison, TN | Tennessee Valley Authority (TVA) | 31.4 GWh | Sep 2017 | May 2026 | Solar |
| Diesel Generators | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | May 2001 | May 2026 | Distillate Fuel Oil |
| Blount Street | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 58.6 GWh | May 1957 | Dec 2025 | Natural Gas |
| Sycamore (WI) | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 28.0 MWh | Nov 1967 | Dec 2025 | Natural Gas |
| Nine Springs | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 89.0 MWh | Nov 1964 | Dec 2025 | Natural Gas |
| West Campus Cogeneration Facility | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 305.2 GWh | Mar 2005 | Dec 2025 | Natural Gas |
| Hermsdorf Solar | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.4 GWh | Feb 2022 | Dec 2025 | Solar |
| Dane County Airport Solar | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 17.4 GWh | Nov 2020 | Dec 2025 | Solar |
| Round Butte | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 772.4 GWh | Jul 1964 | Dec 2025 | Water |
| Pelton | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 399.6 GWh | Nov 1957 | Dec 2025 | Water |
| Acer | SunStrong Management, LLC | Madrid, NY | New York Independent System Operator (NYIS) | 68.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Forks of Butte Hydro Project | Hypower Energy, LLC | Magalia, CA | California Independent System Operator (CISO) | 58.2 GWh | Feb 1992 | Dec 2025 | Water |
| De Sabla | Pacific Gas & Electric Co. | Magalia, CA | California Independent System Operator (CISO) | 20.7 GWh | Jan 1963 | Dec 2025 | Water |
| Toadtown | Pacific Gas & Electric Co. | Magalia, CA | California Independent System Operator (CISO) | 1.8 GWh | Mar 1986 | Oct 2025 | Water |
| Kennecott Power Plant | Kennecott Utah Copper | Magna, UT | PacifiCorp East (PACE) | 135.6 GWh | Dec 1942 | May 2026 | Waste Heat : 79.6% Natural Gas : 20.4% |
| HEB00767 | Generate ER-NG, LLC | Magnolia, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 228.0 MWh | Jun 2022 | Dec 2025 | Natural Gas |
| Locust Ridge | Avangrid Power LLC | Mahanoy City, PA | PJM Interconnection, LLC (PJM) | 55.9 GWh | Feb 2007 | Dec 2025 | Wind |
| Mead Coated Board | Mead Coated Board Inc | Mahrt, AL | Southern Company Services, Inc. - Trans (SOCO) | 726.9 GWh | Oct 1966 | May 2026 | Black Liquor : 40.1% Wood/Wood Waste Solids : 33.0% Natural Gas : 26.9% |
| Ramapo | Altus Power America Management, LLC | Mahwah, NJ | PJM Interconnection, LLC (PJM) | 3.7 GWh | Jun 2019 | Dec 2025 | Solar |
| Maiden Creek Solar Power Plant | Duke Energy Carolinas, LLC | Maiden, NC | Duke Energy Carolinas (DUK) | 119.4 GWh | Dec 2020 | May 2026 | Solar |
| Apple Data Center PV | Apple, Inc | Maiden, NC | Duke Energy Carolinas (DUK) | 29.3 GWh | Jan 2013 | Dec 2025 | Solar |
| Maiden Community Center | North Carolina Mun Power Agny #1 | Maiden, NC | Duke Energy Carolinas (DUK) | 154.0 MWh | Aug 2006 | Dec 2025 | Distillate Fuel Oil |
| Longview Power Plant | Longview Power, LLC | Maidsville, WV | PJM Interconnection, LLC (PJM) | 5.1 TWh | Nov 2011 | May 2026 | Bituminous Coal : 99.7% |
| FirstEnergy Fort Martin Power Station | Monongahela Power Co | Maidsville, WV | PJM Interconnection, LLC (PJM) | 5.6 TWh | Sep 1967 | Apr 2026 | Bituminous Coal : 99.7% |
| Fort Martin Solar | Monongahela Power Co | Maidsville, WV | PJM Interconnection, LLC (PJM) | 25.4 GWh | Dec 2023 | Dec 2025 | Solar |
| Armenia Mountain Wind Farm | ALLETE Clean Energy | Mainesburg, PA | PJM Interconnection, LLC (PJM) | 265.2 GWh | Nov 2009 | Dec 2025 | Wind |
| Hayhurst New Mexico Solar | Hayhurst New Mexico Solar | Malaga, NM | Southwest Power Pool (SWPP) | 56.6 GWh | Jul 2023 | Dec 2025 | Solar |
| Malakoff Solar Project | Ellomay USA Inc | Malaloff, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 15.9 GWh | Sep 2025 | Dec 2025 | Solar |
| Malden | City of Malden - (MO) | Malden, MO | Southwest Power Pool (SWPP) | 68.0 MWh | Jul 1957 | Dec 2025 | Distillate Fuel Oil |
| OR Solar 3, LLC | Heelstone Energy Holdings, LLC | Malin, OR | PacifiCorp West (PACW) | 15.4 GWh | Nov 2017 | Dec 2025 | Solar |
| Oso Grande Wind Farm | Tucson Electric Power Co | Maljamar, NM | Tucson Electric Power (TEPC) | 560.7 GWh | Apr 2021 | May 2026 | Wind |
| Franklin Solar Site | Madison Energy Investments LLC | Malone, NY | New York Independent System Operator (NYIS) | 2.2 GWh | Nov 2018 | Sep 2025 | Solar |
| Malone Solar Site | Madison Energy Investments LLC | Malone, NY | New York Independent System Operator (NYIS) | 1.5 GWh | Nov 2018 | Sep 2025 | Solar |
| Macomb | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 5.7 GWh | Dec 1939 | Dec 2025 | Water |
| Chasm | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 20.7 GWh | Dec 1912 | Dec 2025 | Water |
| Raft River Geothermal Power Plant | US Geothermal Inc. | Malta, ID | Bonneville Power Administration (BPAT) | 88.1 GWh | Dec 2007 | Dec 2025 | Geothermal |
| Magnet Cove | Arkansas Electric Coop Corp | Malvern, AR | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 TWh | Jun 2005 | May 2026 | Natural Gas |
| Hot Spring Generating Facility | Entergy Arkansas LLC | Malvern, AR | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 TWh | May 2002 | May 2026 | Natural Gas |
| Remmel | Entergy Arkansas LLC | Malvern, AR | Midcontinent Independent System Operator, Inc. (MISO) | 46.1 GWh | Dec 1924 | Dec 2025 | Water |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 43.6 GWh | Nov 1984 | Dec 2025 | Geothermal |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 75.3 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 83.8 GWh | Nov 1990 | Dec 2025 | Geothermal |
| CD4 | CD4 | Mammoth Lakes, CA | California Independent System Operator (CISO) | 236.3 GWh | Jun 2022 | Dec 2025 | Geothermal |
| Milhurst Solar | Altus Power America Management, LLC | Manalapan, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Nov 2015 | Dec 2025 | Solar |
| Manalapan Village Solar | NJR Clean Energy Ventures Corporation | Manalapan, NJ | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2011 | Dec 2025 | Solar |
| VMEA Peaking Gen | City of Manassas - (VA) | Manassas, VA | PJM Interconnection, LLC (PJM) | 329.0 MWh | Oct 1992 | Dec 2024 | Distillate Fuel Oil |
| Church Street Plant | City of Manassas - (VA) | Manassas, VA | PJM Interconnection, LLC (PJM) | 192.0 MWh | Sep 1979 | Dec 2024 | Distillate Fuel Oil |
| Gateway Gen | City of Manassas - (VA) | Manassas, VA | PJM Interconnection, LLC (PJM) | 251.0 MWh | Feb 1996 | Dec 2024 | Distillate Fuel Oil |
| Dominion/Lo Mar | City of Manassas - (VA) | Manassas, VA | PJM Interconnection, LLC (PJM) | 418.0 MWh | Jul 1997 | Dec 2024 | Distillate Fuel Oil |
| Godwin Drive Plant | City of Manassas - (VA) | Manassas, VA | PJM Interconnection, LLC (PJM) | 416.0 MWh | Apr 1990 | Dec 2024 | Distillate Fuel Oil |
| VMEA 1 Credit Gen | City of Manassas - (VA) | Manassas, VA | PJM Interconnection, LLC (PJM) | 565.0 MWh | Apr 1990 | Dec 2024 | Distillate Fuel Oil |
| VA- US Foods- Manassas | EDPRNA DG VA Manassas LLC | Manassas, VA | PJM Interconnection, LLC (PJM) | 3.4 GWh | Sep 2024 | Dec 2025 | Solar |
| Spano Solar - Ocean County Landfill - CS | Distributed Solar Development, LLC | Manchester Township, NJ | PJM Interconnection, LLC (PJM) | 1.3 GWh | Sep 2022 | Dec 2025 | Solar |
| Manchester Community College East | Onyx Asset Services Group | Manchester, CT | ISO New England (ISNE) | 1.5 GWh | Sep 2018 | Dec 2024 | Solar |
| CED Manchester Wind | RWE Clean Energy | Manchester, IA | Midcontinent Independent System Operator, Inc. (MISO) | 28.5 GWh | Mar 2022 | Dec 2025 | Wind |
| Independence Wind Farm | Independence Wind Energy LLC | Manchester, IA | Midcontinent Independent System Operator, Inc. (MISO) | 204.7 GWh | Nov 2021 | May 2026 | Wind |
| Treasure Lane Solar 1 | AES Clean Energy | Manchester, ME | ISO New England (ISNE) | 7.6 GWh | Apr 2023 | Dec 2025 | Solar |
| Amoskeag | Central Rivers Power NH, LLC | Manchester, NH | ISO New England (ISNE) | 64.9 GWh | Jul 1922 | Dec 2025 | Water |
| Ocean County Landfill | NextEra Renewable Fuels, LLC | Manchester, NJ | PJM Interconnection, LLC (PJM) | 64.3 GWh | Jan 1997 | Dec 2024 | Landfill Gas |
| Tesoro Mandan Cogeneration Plant | Tesoro Refining and Marketing Co LLC | Mandan, ND | Southwest Power Pool (SWPP) | 50.4 GWh | Sep 1954 | May 2026 | Other Gas : 62.0% Natural Gas : 38.0% |
| R M Heskett | Montana-Dakota Utilities Co | Mandan, ND | Midcontinent Independent System Operator, Inc. (MISO) | 61.8 GWh | Oct 1954 | May 2026 | Natural Gas |
| Oliver Wind III, LLC | Oliver Wind III, LLC | Mandan, ND | Midcontinent Independent System Operator, Inc. (MISO) | 365.7 GWh | Dec 2016 | May 2026 | Wind |
| Sunflower Wind Project | Onward Energy | Mandan, ND | Western Area Power Administration - Rocky Mountain Region (WACM) | 420.4 GWh | Nov 2016 | May 2026 | Wind |
| Green Lakes Solar | Novis Renewables, LLC | Manilus, NY | New York Independent System Operator (NYIS) | 7.9 GWh | Feb 2022 | Dec 2025 | Solar |
| North Eagle Village Solar | Novis Renewables, LLC | Manilus, NY | New York Independent System Operator (NYIS) | 7.3 GWh | Dec 2021 | Dec 2025 | Solar |
| Manilus | Solar Planet Power | Manilus, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Nov 2023 | Dec 2025 | Solar |
| Manistique | Cloverland Electric Co-op | Manistique, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Jun 1960 | Dec 2025 | Distillate Fuel Oil |
| Ruxton Park | City of Colorado Springs - (CO) | Manitou Spring, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 1.0 GWh | Apr 1925 | Aug 2025 | Water |
| Manitou Springs | City of Colorado Springs - (CO) | Manitou Spring, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 2.0 GWh | Apr 1927 | Dec 2025 | Water |
| Manitowoc | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 178.4 GWh | May 1955 | May 2026 | Wood/Wood Waste Solids : 88.2% Petroleum Coke : 6.6% Bituminous Coal : 4.9% |
| Custer Energy Center | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | May 1999 | Dec 2025 | Natural Gas |
| Wilmarth | Northern States Power Co - Minnesota | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 96.5 GWh | Aug 1948 | May 2026 | Non-biogenic Municipal Solid Waste : 53.8% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.1% |
| Archer Daniels Midland Mankato | Archer Daniels Midland Co | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 21.6 GWh | Sep 1987 | Dec 2024 | Natural Gas |
| Mankato Energy Center | MEC Holdings, LLC | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 TWh | Jun 2006 | Dec 2025 | Natural Gas |
| Corvus Community Solar | Corvus Community Solar | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Sep 2018 | Dec 2025 | Solar |
| CF Novel Solar CSG Gardens Eleven, LLC | SunStrong Management, LLC | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.6 GWh | Nov 2017 | Dec 2025 | Solar |
| School Sisters CSG | School Sisters CSG LLC | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Apr 2018 | Dec 2025 | Solar |
| Eastwood Solar | Enel Green Power NA, Inc. | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Nov 2016 | Dec 2025 | Solar |
| Primrose Solar, LLC | Geronimo Power | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Mar 2021 | Dec 2024 | Solar |
| USS Peach Solar LLC | United States Solar Corporation | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Jun 2022 | Dec 2025 | Solar |
| SolarClub 35 LLC | Nautilus Solar Solutions | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Nov 2020 | Dec 2025 | Solar |
| USS Jayhawk Solar LLC (CSG) | United States Solar Corporation | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2023 | Dec 2025 | Solar |
| MN CSG 2019-16 LLC | MN CSG 2019-16 LLC | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | May 2022 | Dec 2025 | Solar |
| Manlius West | CVE US EI5 Manlius West LLC | Manlius, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Sep 2024 | Dec 2025 | Solar |
| Manlius North | CVE US EI4 Manlius North LLC | Manlius, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Sep 2024 | Dec 2025 | Solar |
| Manlius East | CVE US EI5 Manlius East LLC | Manlius, NY | New York Independent System Operator (NYIS) | 8.9 GWh | Sep 2024 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |