Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Weymouth Solar Plant | Metropolitan Water District of S CA | La Verne, CA | California Independent System Operator (CISO) | 3.3 GWh | May 2016 | Dec 2025 | Solar |
| Temescal | Metropolitan Water District of S CA | Corona, CA | California Independent System Operator (CISO) | 14.4 GWh | Jun 1983 | Apr 2025 | Water |
| Etiwanda | Metropolitan Water District of S CA | Rancho Cucamonga, CA | California Independent System Operator (CISO) | 1.0 GWh | Nov 1994 | Jul 2025 | Water |
| Corona | Metropolitan Water District of S CA | Corona, CA | California Independent System Operator (CISO) | 13.3 GWh | Jul 1983 | Apr 2025 | Water |
| Yorba Linda | Metropolitan Water District of S CA | Yorba Linda, CA | California Independent System Operator (CISO) | 9.4 GWh | Oct 1981 | Nov 2025 | Water |
| San Dimas | Metropolitan Water District of S CA | San Dimas, CA | California Independent System Operator (CISO) | 10.3 GWh | May 1981 | Sep 2025 | Water |
| Lake Mathews | Metropolitan Water District of S CA | Riverside, CA | California Independent System Operator (CISO) | 5.8 GWh | Jul 1980 | Oct 2025 | Water |
| Diamond Valley Lake | Metropolitan Water District of S CA | Winchester, CA | California Independent System Operator (CISO) | 1.3 GWh | Apr 2001 | Oct 2025 | Water |
| Metropolitan Sewerage District | Metropolitan Sewerage District | Asheville, NC | Duke Energy Progress East (CPLE) | 5.3 GWh | Aug 1988 | May 2026 | Water |
| MPEA Energy Center | Metropolitan Pier and Exposition Auth | Chicago, IL | PJM Interconnection, LLC (PJM) | 4.0 MWh | Dec 1996 | Dec 2025 | Distillate Fuel Oil |
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 7.8 GWh | Mar 1986 | Oct 2025 | Water |
| St. Paul Intl Airport Red & Blue Parking | Metropolitan Airports Commission | St. Paul, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Nov 2015 | May 2026 | Solar |
| Lockport Powerhouse | Metro Wtr Recl Dist Grtr Chi | Lockport, IL | PJM Interconnection, LLC (PJM) | 16.4 GWh | Jan 1999 | May 2026 | Water |
| Purple Lake | Metlakatla Power & Light | Metlakatla, AK | 13.9 GWh | Dec 1955 | Dec 2025 | Water | |
| Chester Lake | Metlakatla Power & Light | Metlakatla, AK | 5.2 GWh | Dec 1987 | Dec 2025 | Water | |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 6.8 GWh | Dec 1923 | Dec 2025 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 3.8 GWh | Dec 1917 | Dec 2025 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 3.5 GWh | Dec 1934 | Dec 2025 | Water |
| Mesquite Wind Power LLC | Mesquite Wind LLC | Abilene, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 329.5 GWh | Oct 2007 | May 2026 | Wind |
| Post Oak Wind LLC | Mesquite Wind LLC | Abilene, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 381.6 GWh | Feb 2008 | May 2026 | Wind |
| Mesquite Star | Mesquite Star Special LLC | Roscoe, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.2 TWh | Feb 2020 | May 2026 | Wind |
| Mesquite Generating Station Block 2 | Mesquite Power LLC | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.8 TWh | Nov 2003 | May 2026 | Natural Gas |
| Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | California Independent System Operator (CISO) | 80.1 GWh | May 2024 | Dec 2024 | Wind |
| Mesa Wind Power LLC | Mesa Wind Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 113.7 GWh | Oct 1984 | May 2026 | Wind |
| Merrimack Solar Farm, LLC | Merrimack Solar Farm | Merrimack, NH | ISO New England (ISNE) | 3.3 GWh | Dec 2018 | Dec 2025 | Solar |
| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | ISO New England (ISNE) | 13.0 GWh | Sep 1985 | Dec 2025 | Water |
| West Point (PA) | Merck & Co Inc-West Point | West Point, PA | PJM Interconnection, LLC (PJM) | 265.3 GWh | Dec 1971 | Dec 2025 | Natural Gas |
| Elkton | Merck & Co Inc | Elkton, VA | PJM Interconnection, LLC (PJM) | 7.4 GWh | May 1982 | Dec 2025 | Natural Gas : 99.9% |
| Merck Rahway Power Plant | Merck & Co Inc | Rahway, NJ | PJM Interconnection, LLC (PJM) | 43.9 GWh | Dec 1976 | May 2026 | Natural Gas : 92.8% Distillate Fuel Oil : 6.8% |
| Merck - Upper Gwynedd Solar Array | Merck - Upper Gwynedd Solar Array | North Wales, PA | PJM Interconnection, LLC (PJM) | 1.6 GWh | Dec 2010 | Dec 2025 | Solar |
| Exchequer | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 245.8 GWh | Jun 1967 | Dec 2025 | Water |
| Parker | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 6.0 GWh | Mar 1982 | Jun 2025 | Water |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.1 GWh | Jun 1930 | Sep 2025 | Water |
| McSwain | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 26.9 GWh | Jun 1967 | Oct 2025 | Water |
| Mendota | Mendota US Solar 1 LLC | Mendota, IL | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2020 | Dec 2025 | Solar |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | California Independent System Operator (CISO) | 118.0 GWh | Dec 1937 | May 2026 | Wood/Wood Waste Solids : 99.9% |
| Melrose | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 71.0 MWh | Jun 1945 | Dec 2025 | Distillate Fuel Oil |
| Melrose 2 | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Feb 2014 | Dec 2025 | Distillate Fuel Oil |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 10.7 GWh | Feb 1987 | Dec 2024 | Water |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 21.8 GWh | Nov 1986 | Dec 2025 | Water |
| Medway Grid | Medway Grid LLC | Medway, MA | ISO New England (ISNE) | 19.5 GWh | - | May 2026 | Electricity used for energy storage |
| Medusa NY 1 | Medusa NY 1, LLC | Medusa, NY | New York Independent System Operator (NYIS) | 2.0 GWh | May 2020 | Dec 2025 | Solar |
| Medin 2 Community Solar LLC CSG | Medin 2 Community Solar LLC | Center City, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Jul 2021 | Dec 2025 | Solar |
| Enfield Community Solar | Mecklenburg Solar, LLC | Ithaca, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Nov 2017 | Dec 2025 | Solar |
| Mechanicsville Solar | Mechanicsville Solar, LLC | Mechanicsville, VA | PJM Interconnection, LLC (PJM) | 59.9 GWh | Aug 2020 | May 2026 | Solar |
| Mankato Energy Center | MEC Holdings, LLC | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 TWh | Jun 2006 | Dec 2025 | Natural Gas |
| New Frontier Wind | Meadowlark Wind I LLC | Ruso, ND | Midcontinent Independent System Operator, Inc. (MISO) | 368.6 GWh | Nov 2018 | May 2026 | Wind |
| Meadowlark Solar | Meadowlark Solar, LLC | Dunn, NC | Duke Energy Progress East (CPLE) | 9.3 GWh | Aug 2018 | Dec 2025 | Solar |
| Meadow Ridge | Meadow Ridge Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Jun 2012 | Dec 2025 | Wind |
| Meadow Lake Wind Farm VI LLC | Meadow Lake Wind Farm VI LLC | Remington, IN | Midcontinent Independent System Operator, Inc. (MISO) | 653.8 GWh | Oct 2018 | May 2026 | Wind |
| Meadow Lake Wind Farm V LLC | Meadow Lake Wind Farm V LLC | Chalmers, IN | PJM Interconnection, LLC (PJM) | 346.2 GWh | Jun 2017 | May 2026 | Wind |
| Meadow Lake Wind Farm LLC | Meadow Lake Wind Farm LLC | Lafayette, IN | PJM Interconnection, LLC (PJM) | 431.7 GWh | Sep 2009 | Dec 2025 | Wind |
| Meadow Lake Wind Farm IV | Meadow Lake Wind Farm IV LLC | Lafayette, IN | PJM Interconnection, LLC (PJM) | 103.5 GWh | Sep 2010 | Dec 2025 | Wind |
| Meadow Lake Wind Farm III LLC | Meadow Lake Wind Farm III LLC | Lafayette, IN | PJM Interconnection, LLC (PJM) | 257.8 GWh | Aug 2010 | Dec 2025 | Wind |
| Meadow Lake Wind Farm II LLC | Meadow Lake Wind Farm II LLC | Lafayette, IN | PJM Interconnection, LLC (PJM) | 237.7 GWh | Jul 2010 | Dec 2025 | Wind |
| Indiana Crossroads Solar Park | Meadow Lake Solar Park | Reynolds, IN | Midcontinent Independent System Operator, Inc. (MISO) | 384.4 GWh | May 2023 | May 2026 | Solar |
| 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% |
| 15 Glen Harris RD | ME Sandy River LLC | New Sharon, ME | ISO New England (ISNE) | 5.3 GWh | May 2024 | Dec 2025 | Solar |
| ME Fort Fairfield Solar Plant | ME Fort Fairfield LLC | Presque Isle, ME | ISO New England (ISNE) | 3.8 GWh | Nov 2024 | Dec 2025 | Solar |
| ME CDG 005 | ME CDG 005 LLC | Veazie, ME | ISO New England (ISNE) | 2.8 GWh | Nov 2024 | Dec 2025 | Solar |
| ME CDG 004 | ME CDG 004 LLC | Bangor, ME | ISO New England (ISNE) | 3.0 GWh | Nov 2024 | Dec 2025 | Solar |
| MD CDG 002 | MD CDG 002 LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2024 | Dec 2025 | Solar |
| MD CDG 001 | MD CDG 001 LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2024 | Dec 2025 | Solar |
| McMinnville | McMinnville Electric System | McMinnville, TN | Tennessee Valley Authority (TVA) | 865.0 MWh | May 2001 | Dec 2025 | Distillate Fuel Oil |
| Combined Locks Energy Center | McKinley Paper | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 301.6 GWh | Apr 2002 | Dec 2025 | Natural Gas |
| McGrath | McGrath Light & Power Co | McGrath, AK | 1.8 GWh | Nov 1988 | Dec 2025 | Distillate Fuel Oil | |
| McDonough Solar 1, LLC CSG | McDonough Solar 1, LLC | Blandinsville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Nov 2020 | Dec 2025 | Solar |
| McCrae Wind Energy II | McCrae Wind Energy II, LLC | Garden City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 376.1 GWh | - | May 2026 | Wind |
| McCoy Solar Energy Project Hybrid | McCoy Solar, LLC | Blythe, CA | California Independent System Operator (CISO) | 638.7 GWh | Jul 2015 | Dec 2025 | Solar |
| McCormick NY CSG LLC | McCormick NY CSG LLC | Andover, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Apr 2025 | Dec 2025 | Solar |
| Derby Hydro | McCallum Enterprises I LP | Shelton, CT | ISO New England (ISNE) | 22.7 GWh | Dec 1988 | Dec 2025 | Water |
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | Idaho Power Company (IPCO) | 8.4 GWh | Mar 2021 | Oct 2025 | Water |
| MC1 Solar | MC1 Solar Farm, LLC | Williamston, NC | PJM Interconnection, LLC (PJM) | 7.7 GWh | Jul 2016 | Dec 2025 | Solar |
| Independence II Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 14.4 GWh | May 2018 | May 2026 | Solar |
| BPU Solar Farm | MC Power Companies Inc | Kansas City, KS | Southwest Power Pool (SWPP) | 1.7 GWh | Aug 2017 | Dec 2025 | Solar |
| Independence Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 4.7 GWh | Feb 2017 | May 2026 | Solar |
| Back River Waste Water Treatment | Mayor and City Council of Baltimore City - (MD) | Baltimore, MD | PJM Interconnection, LLC (PJM) | 594.0 MWh | Dec 2008 | Dec 2024 | Solar |
| May Shannon Solar, LLC | May Shannon Solar, LLC | Clio, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Nov 2020 | Dec 2025 | Solar |
| Selective Insurance | MaxSolar | Branchville, NJ | PJM Interconnection, LLC (PJM) | 3.8 GWh | Oct 2019 | Dec 2025 | Solar |
| Maverick Solar, LLC | Maverick Solar, LLC | Desert Center, CA | California Independent System Operator (CISO) | 330.2 GWh | Nov 2020 | May 2026 | Solar |
| Maverick Solar 7, LLC | Maverick Solar 7, LLC | Desert Center, CA | California Independent System Operator (CISO) | 398.2 GWh | Nov 2021 | May 2026 | Solar |
| Maverick Solar 6, LLC | Maverick Solar 6, LLC | Desert Center, CA | California Independent System Operator (CISO) | 246.1 GWh | Oct 2021 | May 2026 | Solar |
| Maverick Solar 4, LLC | Maverick Solar 4, LLC | Desert Center, CA | California Independent System Operator (CISO) | 295.5 GWh | Nov 2020 | May 2026 | Solar |
| Eagle Pass | Maverick Cty Water Control & Improvement | Eagle Pass, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 12.6 GWh | Jul 1932 | Feb 2026 | Water |
| Miki Basin | Maui Electric Co Ltd | Lanai City, HI | 35.7 GWh | Mar 1990 | Dec 2025 | Distillate Fuel Oil | |
| Maalaea | Maui Electric Co Ltd | Kihei, HI | 643.5 GWh | Nov 1971 | May 2026 | Distillate Fuel Oil | |
| Kahului | Maui Electric Co Ltd | Kahului, HI | 152.1 GWh | Apr 1948 | Dec 2025 | Residual Fuel Oil | |
| Hana Substation | Maui Electric Co Ltd | Hana, HI | 84.0 MWh | Mar 2001 | Dec 2025 | Distillate Fuel Oil | |
| Palaau Power Hybrid | Maui Electric Co Ltd | Kaunakakai, HI | 31.2 GWh | Mar 1982 | Dec 2025 | Distillate Fuel Oil | |
| Kuihelani Substation | Maui Electric Co Ltd | Kahului, HI | 18.0 MWh | Jul 2023 | Dec 2025 | Distillate Fuel Oil | |
| Hartford Landfill Solar EGF | Materials Innovation Recycling Authority | Hartford, CT | ISO New England (ISNE) | 1.2 GWh | May 2014 | Dec 2024 | Solar |
| Medical Area Total Energy Plant | MATEP LLC | Boston, MA | ISO New England (ISNE) | 318.1 GWh | Dec 1979 | Dec 2024 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Eklutna Generation Station | Matanuska Electric Assn Inc | Chugiak, AK | 310.9 GWh | Jan 2015 | Dec 2025 | Natural Gas | |
| Maston Garden Solar | Maston Garden LLC | Kasson, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Apr 2020 | Dec 2025 | Solar |
| Masspower | Masspower | Indian Orchard, MA | ISO New England (ISNE) | 441.7 GWh | Jun 1993 | Dec 2025 | Natural Gas |
| Masser Farms Realty Solar | Masser Farms Realty Ltd | Sacramento, PA | PJM Interconnection, LLC (PJM) | 1.2 GWh | Apr 2011 | Dec 2024 | Solar |
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | ISO New England (ISNE) | 33.2 GWh | Jul 1995 | May 2026 | Other Biomass Gas : 82.5% Distillate Fuel Oil : 13.1% Wind : 2.7% Solar : 1.8% |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 646.0 MWh | Dec 1968 | Jan 2025 | Water |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 1.4 GWh | Apr 1951 | Dec 2025 | Water |
| MMWEC Simple Cycle Gas Turbine | Massachusetts Mun Wholes Electric Co | Peabody, MA | ISO New England (ISNE) | 8.3 GWh | Jun 2024 | Dec 2025 | Distillate Fuel Oil : 69.0% Natural Gas : 31.0% |
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 |