Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Madison Fields Solar Project, LLC | Madison Fields Solar Project, LLC | Irwin, OH | PJM Interconnection, LLC (PJM) | 274.4 GWh | - | Aug 2024 | Solar |
| Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | California Independent System Operator (CISO) | 29.1 GWh | - | Aug 2024 | Wind |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 103.6 GWh | - | Aug 2024 | Solar |
| Misenheimer Solar LLC | Misenheimer Solar LLC | Gold Hill, NC | Duke Energy Carolinas (DUK) | 95.6 GWh | - | Aug 2024 | Solar |
| Monarch | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 99.3 GWh | - | Aug 2024 | Solar |
| Mule Creek Renewable Energy Center | Duke Energy Florida, LLC | Panama City, FL | Duke Energy Florida, Inc. (FPC) | 109.0 GWh | - | Aug 2024 | Solar |
| Mill Creek 3 | Southern California Edison Co | Mill Creek, CA | California Independent System Operator (CISO) | 10.5 GWh | Feb 1903 | Dec 2023 | Water |
| Morgan Falls | Georgia Power Co | Dunwoody, GA | Southern Company Services, Inc. - Trans (SOCO) | 29.2 GWh | Nov 1903 | Dec 2023 | Water |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 69.9 GWh | Aug 1906 | Sep 2023 | Water |
| Millville Hydro Station | Eagle Creek Renewable Energy, LLC | Millville, WV | PJM Interconnection, LLC (PJM) | 6.6 GWh | Dec 1912 | Dec 2023 | Water |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 8.2 GWh | Dec 1913 | Dec 2023 | Water |
| Minetto | Erie Boulevard Hydropower LP | Minetto, NY | New York Independent System Operator (NYIS) | 32.6 GWh | Dec 1914 | Dec 2023 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 9.8 GWh | May 1915 | Dec 2023 | Water |
| Mio | Consumers Energy Co - (MI) | Mio, MI | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 GWh | Dec 1915 | Dec 2023 | Water |
| Mosinee Mill | Ahlstrom-Munksjo NA Specialty Solutions, LLC | Mosinee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 118.3 GWh | Jun 1916 | Aug 2024 | Black Liquor : 38.2% Bituminous Coal : 36.5% Water : 15.5% Residual Fuel Oil : 3.4% Natural Gas : 2.9% Wood/Wood Waste Solids : 2.6% Sludge Waste : 1.0% |
| Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Feb 1917 | Dec 2023 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 7.3 GWh | Dec 1917 | Dec 2023 | Water |
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 16.0 GWh | Nov 1921 | Dec 2023 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 27.5 GWh | Dec 1922 | Dec 2023 | Water |
| Mottville | Indiana Michigan Power Co | White Pigeon, MI | PJM Interconnection, LLC (PJM) | 6.1 GWh | Dec 1922 | Dec 2023 | Water |
| Mongaup Falls | Eagle Creek Renewable Energy, LLC | Forestburgh, NY | New York Independent System Operator (NYIS) | 8.7 GWh | Jun 1923 | Dec 2023 | Water |
| Mountain Island | Duke Energy Carolinas, LLC | Mount Holly, NC | Duke Energy Carolinas (DUK) | 99.6 GWh | Nov 1923 | Dec 2023 | Water |
| Menominee Mill Marinette | Eagle Creek Renewable Energy, LLC | Menominee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.3 GWh | Dec 1923 | Aug 2024 | Water |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 12.9 GWh | Dec 1923 | Dec 2023 | Water |
| Morrisville | Village of Morrisville - (VT) | Morrisville, VT | ISO New England (ISNE) | 5.6 GWh | Jul 1924 | Dec 2023 | Water |
| Mission | Northbrook Carolina Hydro II, LLC | Murphy, NC | Duke Energy Carolinas (DUK) | 7.8 GWh | Nov 1924 | Dec 2023 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 62.3 GWh | Apr 1925 | Dec 2023 | Water |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 52.0 GWh | Apr 1926 | Aug 2024 | Water |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 9.1 GWh | Dec 1926 | Dec 2023 | Water |
| Martin Dam | Alabama Power Co | Dadeville, AL | Southern Company Services, Inc. - Trans (SOCO) | 326.6 GWh | Dec 1926 | Dec 2023 | Water |
| Manitou Springs | City of Colorado Springs - (CO) | Manitou Spring, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 14.6 GWh | Apr 1927 | Dec 2023 | Water |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 59.4 GWh | May 1927 | Dec 2023 | Water |
| Middlesex 2 | Green Mountain Power Corp | Moretown, VT | ISO New England (ISNE) | 14.1 GWh | Dec 1927 | Dec 2023 | Water |
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 611.0 MWh | May 1928 | Dec 2023 | Water |
| Moshier | Erie Boulevard Hydropower LP | Lowville, NY | New York Independent System Operator (NYIS) | 43.5 GWh | Dec 1928 | Dec 2023 | Water |
| Milton | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 48.3 GWh | Jan 1929 | Dec 2023 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 295.0 GWh | Dec 1929 | Dec 2023 | Water |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 12.5 GWh | Jun 1930 | Oct 2023 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 56.1 GWh | Dec 1930 | Dec 2023 | Water |
| Merwin | PacifiCorp | Ariel, WA | PacifiCorp West (PACW) | 471.6 GWh | Jun 1931 | Dec 2023 | Water |
| Martinsville | City of Martinsville - (VA) | Martinsville, VA | PJM Interconnection, LLC (PJM) | 86.0 MWh | Apr 1932 | Dec 2022 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 5.1 GWh | Dec 1934 | Dec 2023 | Water |
| Marmet | Appalachian Power Co | Marmet, WV | PJM Interconnection, LLC (PJM) | 58.7 GWh | Nov 1935 | Dec 2023 | Water |
| Monroe (NE) | Loup River Public Power Dist | Monroe, NE | Southwest Power Pool (SWPP) | 27.0 GWh | Dec 1935 | Dec 2023 | Water |
| Manti Upper | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 58.0 MWh | Dec 1938 | Dec 2023 | Water |
| Macomb | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 7.3 GWh | Dec 1939 | Dec 2023 | Water |
| Montezuma | City of Montezuma - (IA) | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 138.0 MWh | Jul 1940 | Dec 2023 | Distillate Fuel Oil : 65.1% Natural Gas : 34.9% |
| Marshall Ford | Lower Colorado River Authority | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 25.7 GWh | Dec 1940 | Dec 2023 | Water |
| Milford Hydro Station | Brookfield Black Bear Hydro, LLC | Milford, ME | ISO New England (ISNE) | 53.0 GWh | Jun 1941 | Dec 2023 | Water |
| McGregor | City of McGregor- (IA) | McGregor, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Nov 1941 | Dec 2023 | Distillate Fuel Oil |
| Moline | MidAmerican Energy Co | Moline, IL | Midcontinent Independent System Operator, Inc. (MISO) | 21.5 GWh | Dec 1941 | Dec 2023 | Water : 99.7% |
| Mon Valley Works | United States Steel-Mon Valley | Dravosburg, PA | PJM Interconnection, LLC (PJM) | 473.7 GWh | May 1943 | Dec 2023 | Blast Furnace Gas : 82.2% Other Gas : 17.8% |
| Mill C | New York State Elec & Gas Corp | Town of Plattsburgh, NY | New York Independent System Operator (NYIS) | 29.1 GWh | Jul 1943 | Dec 2023 | Water |
| Melrose | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 49.0 MWh | Jun 1945 | Dec 2023 | Distillate Fuel Oil |
| Memphis | City of Memphis - (MO) | Memphis, MO | Associated Electric Cooperative, Inc. (AECI) | 8.0 MWh | Nov 1945 | Dec 2022 | 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 |
| Marshall (MO) | City of Marshall - (MO) | Marshall, MO | Southwest Power Pool (SWPP) | 1.7 GWh | May 1948 | Dec 2023 | Natural Gas : 96.3% Distillate Fuel Oil : 3.7% |
| Milford | City of Milford - (IA) | Milford, IA | Southwest Power Pool (SWPP) | 616.0 MWh | Dec 1948 | Dec 2023 | Distillate Fuel Oil |
| M L Hibbard | ALLETE, Inc. | Duluth, MN | Midcontinent Independent System Operator, Inc. (MISO) | 70.1 GWh | May 1949 | Aug 2024 | Wood/Wood Waste Solids : 86.7% Subbituminous Coal : 12.2% Natural Gas : 1.1% |
| Mitchell Dam | Alabama Power Co | Verbena, AL | Southern Company Services, Inc. - Trans (SOCO) | 409.4 GWh | Oct 1949 | Dec 2023 | Water |
| Mustang | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 575.4 GWh | Apr 1950 | Aug 2024 | Natural Gas : 99.2% Solar : 0.8% |
| Meade | City of Meade - (KS) | Meade, KS | Southwest Power Pool (SWPP) | 105.0 MWh | Dec 1950 | Dec 2023 | Natural Gas : 85.2% Distillate Fuel Oil : 14.8% |
| Marys Lake | U S Bureau of Reclamation | Estes Park, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 22.7 GWh | Apr 1951 | Dec 2022 | Water |
| Marble Falls | Lower Colorado River Authority | Marble Falls, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 10.2 GWh | Aug 1951 | Dec 2023 | Water |
| Middle Gorge | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 98.9 GWh | Apr 1952 | Dec 2023 | Water |
| McManus | Georgia Power Co | Brunswick, GA | Southern Company Services, Inc. - Trans (SOCO) | 18.1 GWh | Oct 1952 | Nov 2023 | Distillate Fuel Oil |
| Moose Lake | Moose Lake Water & Light Comm | Moose Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 48.0 MWh | Oct 1952 | Dec 2023 | Distillate Fuel Oil : 75.5% Natural Gas : 24.5% |
| Madison Utilities | City of Madison - (NE) | Madison, NE | Southwest Power Pool (SWPP) | 26.0 MWh | Mar 1953 | Dec 2023 | Distillate Fuel Oil |
| Meramec | Union Electric Co - (MO) | St. Louis, MO | Midcontinent Independent System Operator, Inc. (MISO) | 165.0 GWh | Apr 1953 | May 2023 | Natural Gas : 66.6% Subbituminous Coal : 33.4% |
| Michigamme Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 32.7 GWh | May 1953 | Dec 2023 | Water |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 3.6 TWh | Nov 1953 | Dec 2023 | Water |
| Montville Station | NRG Montville Operations Inc | Uncasville, CT | ISO New England (ISNE) | 36.2 GWh | Dec 1953 | Dec 2023 | Residual Fuel Oil : 65.3% Natural Gas : 33.4% Distillate Fuel Oil : 1.3% |
| Murphys | Utica Water & Power Authority | Murphys, CA | California Independent System Operator (CISO) | 17.8 GWh | Feb 1954 | Dec 2023 | Water |
| Mountain Lake | City of Mountain Lake - (MN) | Mountain Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Apr 1954 | Dec 2023 | Wind : 97.8% Natural Gas : 2.0% |
| McWilliams | PowerSouth Energy Cooperative | Gantt, AL | Southern Company Services, Inc. - Trans (SOCO) | 3.0 TWh | Nov 1954 | Aug 2024 | Natural Gas |
| Minneapolis City of | City of Minneapolis - (KS) | Minneapolis, KS | Southwest Power Pool (SWPP) | 84.0 MWh | Mar 1955 | Dec 2023 | Natural Gas : 88.9% Distillate Fuel Oil : 11.1% |
| Manitowoc | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 145.1 GWh | May 1955 | Aug 2024 | Wood/Wood Waste Solids : 90.3% Petroleum Coke : 7.8% Bituminous Coal : 1.4% Natural Gas : 0.5% |
| Mountain Creek | Mountain Creek Power, LLC | Dallas, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 654.1 GWh | Jan 1956 | Nov 2023 | Natural Gas |
| Maquoketa 1 | City of Maquoketa - (IA) | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 27.0 MWh | May 1956 | Dec 2023 | Natural Gas : 87.4% Distillate Fuel Oil : 12.6% |
| Motiva Enterprises Port Arthur Refinery | Motiva Enterprises LLC | Port Arthur, TX | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 TWh | May 1957 | Aug 2024 | Natural Gas : 90.6% Other Gas : 9.4% |
| Malden | City of Malden - (MO) | Malden, MO | Southwest Power Pool (SWPP) | 75.0 MWh | Jul 1957 | Dec 2023 | Distillate Fuel Oil |
| Menomonie | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.2 GWh | Dec 1957 | Dec 2023 | Water |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 501.7 GWh | Mar 1958 | Aug 2024 | Subbituminous Coal : 99.8% |
| McMeekin | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 882.6 GWh | Jun 1958 | Aug 2024 | Natural Gas |
| Middletown | Middletown Power LLC | Middletown, CT | ISO New England (ISNE) | 169.8 GWh | Sep 1958 | Dec 2023 | Natural Gas : 79.3% Residual Fuel Oil : 20.7% |
| Mt.Sinai-St.Lukes Roosevelt Hosp. Center | Mt.Sinai-St.Lukes Rsvlt. Hospital Center | New York, NY | New York Independent System Operator (NYIS) | 61.0 MWh | Dec 1959 | Dec 2023 | Distillate Fuel Oil |
| Mammoth Pool | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 561.8 GWh | Feb 1960 | Aug 2024 | Water |
| Manistique | Cloverland Electric Co-op | Manistique, MI | Midcontinent Independent System Operator, Inc. (MISO) | 977.0 MWh | Jun 1960 | Dec 2023 | Distillate Fuel Oil |
| Miami Fort | Luminant Miami Fort | North Bend, OH | PJM Interconnection, LLC (PJM) | 4.8 TWh | Oct 1960 | Aug 2024 | Bituminous Coal : 99.6% |
| Merrimack | Granite Shore Power | Bow, NH | ISO New England (ISNE) | 151.0 GWh | Nov 1960 | Aug 2024 | Bituminous Coal : 98.9% Jet Fuel : 0.9% |
| Middlesex County Utilities Authority | Middlesex County Utilities Authority | Sayreville, NJ | PJM Interconnection, LLC (PJM) | 92.9 GWh | Dec 1960 | Aug 2024 | Landfill Gas |
| MU Combined Heat and Power Plant | Curators of the University of Missouri | Columbia, MO | Midcontinent Independent System Operator, Inc. (MISO) | 190.5 GWh | Jun 1961 | Aug 2024 | Natural Gas : 72.8% Wood/Wood Waste Solids : 24.3% Bituminous Coal : 2.9% |
| Maddox | Southwestern Public Service Co | Hobbs, NM | Southwest Power Pool (SWPP) | 659.1 GWh | Dec 1962 | Aug 2024 | Natural Gas |
| Mayfield | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 545.0 GWh | Feb 1963 | Dec 2023 | Water |
| Marion | Southern Illinois Power Coop | Marion, IL | Midcontinent Independent System Operator, Inc. (MISO) | 763.9 GWh | May 1963 | Aug 2024 | Bituminous Coal : 85.7% Natural Gas : 14.2% |
| Mooreland | Western Farmers Elec Coop, Inc | Mooreland, OK | Southwest Power Pool (SWPP) | 86.8 GWh | Feb 1964 | Dec 2023 | Natural Gas |
| Markham | Grand River Dam Authority | Locust Grove, OK | Southwest Power Pool (SWPP) | 123.5 GWh | Apr 1964 | Dec 2023 | Water |
| Melton Hill | Tennessee Valley Authority | Lenoir City, TN | Tennessee Valley Authority (TVA) | 91.5 GWh | Jun 1964 | Dec 2023 | Water |
| Marshall (NC) | Duke Energy Carolinas, LLC | Terrell, NC | Duke Energy Carolinas (DUK) | 7.2 TWh | Feb 1965 | Aug 2024 | Bituminous Coal : 51.4% Natural Gas : 48.6% |
| Mt Storm | Virginia Electric & Power Co | Mount Storm, WV | PJM Interconnection, LLC (PJM) | 3.5 TWh | Aug 1965 | Aug 2024 | Bituminous Coal : 99.4% Distillate Fuel Oil : 0.6% |
Summary of Power Plants By State
Figures are based on August 2024 generation numbers.| State | Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Alabama | # 7 | 78 | 14,073.11 GWh |
| Alaska | # 48 | 147 | 631.71 GWh |
| Arizona | # 10 | 161 | 12,447.73 GWh |
| Arkansas | # 23 | 77 | 6,473.81 GWh |
| California | # 4 | 1,666 | 22,299.47 GWh |
| Colorado | # 28 | 277 | 5,476.67 GWh |
| Connecticut | # 33 | 159 | 4,351.57 GWh |
| Delaware | # 49 | 31 | 481.79 GWh |
| District of Columbia | # 51 | 12 | 19.18 GWh |
| Florida | # 2 | 286 | 27,339.08 GWh |
| Georgia | # 6 | 251 | 14,863.07 GWh |
| Hawaii | # 47 | 69 | 841.39 GWh |
| Idaho | # 43 | 142 | 1,655.52 GWh |
| Illinois | # 5 | 335 | 17,196.16 GWh |
| Indiana | # 18 | 202 | 9,001.13 GWh |
| Iowa | # 26 | 283 | 5,529.62 GWh |
| Kansas | # 31 | 165 | 5,363.63 GWh |
| Kentucky | # 21 | 55 | 6,964.00 GWh |
| Louisiana | # 14 | 82 | 10,133.66 GWh |
| Maine | # 45 | 162 | 1,185.43 GWh |
| Maryland | # 38 | 185 | 3,346.65 GWh |
| Massachusetts | # 41 | 614 | 1,896.47 GWh |
| Michigan | # 12 | 274 | 12,135.86 GWh |
| Minnesota | # 27 | 748 | 5,511.98 GWh |
| Mississippi | # 19 | 55 | 7,436.42 GWh |
| Missouri | # 20 | 126 | 7,051.26 GWh |
| State | Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,306.38 GWh |
| Nebraska | # 36 | 125 | 3,559.93 GWh |
| Nevada | # 32 | 110 | 4,699.98 GWh |
| New Hampshire | # 42 | 60 | 1,808.14 GWh |
| New Jersey | # 25 | 387 | 5,633.45 GWh |
| New Mexico | # 39 | 139 | 3,198.26 GWh |
| New York | # 11 | 848 | 12,289.60 GWh |
| North Carolina | # 9 | 893 | 13,559.75 GWh |
| North Dakota | # 35 | 59 | 3,641.88 GWh |
| Ohio | # 8 | 190 | 13,652.00 GWh |
| Oklahoma | # 15 | 130 | 10,062.87 GWh |
| Oregon | # 29 | 262 | 5,448.37 GWh |
| Pennsylvania | # 3 | 246 | 23,205.63 GWh |
| Rhode Island | # 46 | 97 | 1,061.17 GWh |
| South Carolina | # 16 | 203 | 9,629.88 GWh |
| South Dakota | # 44 | 53 | 1,603.17 GWh |
| Tennessee | # 22 | 87 | 6,912.16 GWh |
| Texas | # 1 | 797 | 58,529.53 GWh |
| Utah | # 37 | 122 | 3,440.26 GWh |
| Vermont | # 50 | 114 | 207.44 GWh |
| Virginia | # 13 | 213 | 10,408.51 GWh |
| Washington | # 17 | 138 | 9,091.93 GWh |
| West Virginia | # 30 | 36 | 5,412.86 GWh |
| Wisconsin | # 24 | 230 | 6,416.93 GWh |
| Wyoming | # 34 | 70 | 3,868.32 GWh |