Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mallard | Florida Power & Light Co | Palm Bay, FL | Florida Power & Light Co. (FPL) | 132.9 GWh | - | Aug 2026 | Solar |
| Mare Branch | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 146.1 GWh | - | Aug 2026 | Solar |
| Maricopa Solar | Maricopa Solar | Tonopah, AZ | Arizona Public Service Company (AZPS) | 92.6 GWh | - | Aug 2026 | Solar |
| Marion County Solar Project | Marion County Solar Project, LLC | Marion, OH | PJM Interconnection, LLC (PJM) | 114.5 GWh | - | Aug 2026 | Solar |
| Mayes County Solar | Leeward Asset Management, LLC | Pryor, OK | Southwest Power Pool (SWPP) | 6.6 GWh | - | Aug 2026 | Solar |
| McCrae Wind Energy II | McCrae Wind Energy II, LLC | Garden City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 533.7 GWh | - | Aug 2026 | Wind |
| Medway Grid | Medway Grid LLC | Medway, MA | ISO New England (ISNE) | 18.4 GWh | - | Jun 2026 | Electricity used for energy storage |
| Midpoint Solar, LLC | Sunraycer Assets I LLC | Blum, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 98.3 GWh | - | Aug 2026 | Solar |
| Millers Branch Solar | Southern Power Co | Haskell, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 404.8 GWh | - | Aug 2026 | Solar |
| Misae Solar IV LLC | Ferrovial Energy US | Oakwood, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 69.8 GWh | - | Aug 2026 | Solar |
| Mission Road Solar Park | DTE Electric Company | Rosebush, MI | Midcontinent Independent System Operator, Inc. (MISO) | 206.1 GWh | - | Aug 2026 | Solar |
| Mondu Solar LLC | Mondu Solar LLC | Livonia, LA | Midcontinent Independent System Operator, Inc. (MISO) | 132.3 GWh | - | Aug 2026 | Solar |
| Montpelier Solar Project | Montpelier Solar, LLC | Montpelier, OH | PJM Interconnection, LLC (PJM) | 68.1 GWh | - | Aug 2026 | Solar |
| Morgnec Solar | Urban Grid Solar | Chestertown, MD | PJM Interconnection, LLC (PJM) | 9.5 GWh | - | Aug 2026 | Solar |
| Morrow Lake Solar | Leeward Asset Management, LLC | Pearsall, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 320.7 GWh | - | Aug 2026 | Solar |
| Muskegon Solar | Consumers Energy Co - (MI) | Muskegon, MI | Midcontinent Independent System Operator, Inc. (MISO) | 205.0 GWh | - | Aug 2026 | Solar |
| Myrtle Solar, LLC | Myrtle Solar, LLC | Angleton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 528.4 GWh | - | Aug 2026 | Solar |
| Mill Creek 3 | Southern California Edison Co | Mill Creek, CA | California Independent System Operator (CISO) | 771.0 MWh | Feb 1903 | Dec 2025 | Water |
| Morgan Falls | Georgia Power Co | Dunwoody, GA | Southern Company Services, Inc. - Trans (SOCO) | 34.6 GWh | Nov 1903 | Dec 2025 | Water |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 75.6 GWh | Aug 1906 | Dec 2025 | Water |
| Millville Hydro Station | Eagle Creek Renewable Energy, LLC | Millville, WV | PJM Interconnection, LLC (PJM) | 7.7 GWh | Dec 1912 | Dec 2025 | Water |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 4.6 GWh | Dec 1913 | Dec 2025 | Water |
| Minetto | Erie Boulevard Hydropower LP | Minetto, NY | New York Independent System Operator (NYIS) | 30.8 GWh | Dec 1914 | Dec 2025 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 8.7 GWh | May 1915 | Dec 2025 | Water |
| Mio | Consumers Energy Co - (MI) | Mio, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | Dec 1915 | Dec 2025 | Water |
| Mosinee Mill | Ahlstrom-Munksjo NA Specialty Solutions, LLC | Mosinee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 87.2 GWh | Jun 1916 | Aug 2026 | Black Liquor : 36.5% Natural Gas : 34.5% Water : 13.6% Bituminous Coal : 9.9% Wood/Wood Waste Solids : 4.4% Sludge Waste : 0.9% |
| Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Feb 1917 | Dec 2025 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 3.8 GWh | Dec 1917 | Dec 2025 | Water |
| Moyie Springs | City of Bonners Ferry (ID) | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 21.4 GWh | Nov 1921 | Dec 2025 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 22.9 GWh | Dec 1922 | Dec 2025 | Water |
| Mottville | Indiana Michigan Power Co | White Pigeon, MI | PJM Interconnection, LLC (PJM) | 5.3 GWh | Dec 1922 | Dec 2025 | Water |
| Mountain Island | Duke Energy Carolinas, LLC | Mount Holly, NC | Duke Energy Carolinas (DUK) | 90.0 GWh | Nov 1923 | Dec 2025 | Water |
| Menominee Mill Marinette | Eagle Creek Renewable Energy, LLC | Menominee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Dec 1923 | Aug 2026 | Water |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 6.8 GWh | Dec 1923 | Dec 2025 | Water |
| Morrisville | Village of Morrisville - (VT) | Morrisville, VT | ISO New England (ISNE) | 5.0 GWh | Jul 1924 | Dec 2025 | Water |
| Mission | Northbrook Carolina Hydro II, LLC | Murphy, NC | Duke Energy Carolinas (DUK) | 7.0 GWh | Nov 1924 | Dec 2025 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 52.5 GWh | Apr 1925 | Dec 2025 | Water |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 34.3 GWh | Apr 1926 | Aug 2026 | Water |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 3.9 GWh | Dec 1926 | Dec 2025 | Water |
| Martin Dam | Alabama Power Co | Dadeville, AL | Southern Company Services, Inc. - Trans (SOCO) | 287.2 GWh | Dec 1926 | Dec 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 |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 98.8 GWh | May 1927 | Dec 2025 | Water |
| Middlesex 2 | Green Mountain Power Corp | Moretown, VT | ISO New England (ISNE) | 5.9 GWh | Dec 1927 | Dec 2025 | Water |
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 638.0 MWh | May 1928 | Dec 2025 | Water |
| Moshier | Erie Boulevard Hydropower LP | Lowville, NY | New York Independent System Operator (NYIS) | 35.1 GWh | Dec 1928 | Dec 2025 | Water |
| Milton | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 33.8 GWh | Jan 1929 | Dec 2025 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 214.7 GWh | Dec 1929 | Dec 2025 | Water |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.1 GWh | Jun 1930 | Sep 2025 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 39.1 GWh | Dec 1930 | Dec 2025 | Water |
| Merwin | PacifiCorp | Ariel, WA | PacifiCorp West (PACW) | 422.6 GWh | Jun 1931 | Dec 2025 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 3.5 GWh | Dec 1934 | Dec 2025 | Water |
| Marmet | Appalachian Power Co | Marmet, WV | PJM Interconnection, LLC (PJM) | 67.6 GWh | Nov 1935 | Dec 2025 | Water |
| Monroe (NE) | Loup River Public Power Dist | Monroe, NE | Southwest Power Pool (SWPP) | 27.2 GWh | Dec 1935 | Dec 2025 | Water |
| Macomb | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 5.7 GWh | Dec 1939 | Dec 2025 | Water |
| Montezuma | City of Montezuma - (IA) | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 115.0 MWh | Jul 1940 | Dec 2025 | Distillate Fuel Oil : 67.9% Natural Gas : 32.1% |
| Marshall Ford | Lower Colorado River Authority | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 45.2 GWh | Dec 1940 | Dec 2025 | Water |
| Milford Hydro Station | Brookfield Black Bear Hydro, LLC | Milford, ME | ISO New England (ISNE) | 35.9 GWh | Jun 1941 | Dec 2025 | Water |
| McGregor | City of McGregor- (IA) | McGregor, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 MWh | Nov 1941 | Dec 2025 | Distillate Fuel Oil |
| Moline | MidAmerican Energy Co | Moline, IL | Midcontinent Independent System Operator, Inc. (MISO) | 20.8 GWh | Dec 1941 | Dec 2025 | Water : 97.0% Natural Gas : 3.0% |
| Mon Valley Works | United States Steel-Mon Valley | Dravosburg, PA | PJM Interconnection, LLC (PJM) | 483.2 GWh | May 1943 | Dec 2025 | Blast Furnace Gas : 92.7% Other Gas : 7.3% |
| Mill C | New York State Elec & Gas Corp | Town of Plattsburgh, NY | New York Independent System Operator (NYIS) | 21.8 GWh | Jul 1943 | Dec 2025 | Water |
| Melrose | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 71.0 MWh | Jun 1945 | Dec 2025 | Distillate Fuel Oil |
| Marshall (MO) | City of Marshall - (MO) | Marshall, MO | Southwest Power Pool (SWPP) | 1.3 GWh | May 1948 | Dec 2025 | Natural Gas : 94.1% Distillate Fuel Oil : 6.0% |
| MSC Croswell | Michigan Sugar Company | Croswell, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 MWh | Sep 1948 | Jan 2025 | Natural Gas |
| Milford | City of Milford - (IA) | Milford, IA | Southwest Power Pool (SWPP) | 127.0 MWh | Dec 1948 | Dec 2025 | Distillate Fuel Oil |
| M L Hibbard | ALLETE, Inc. | Duluth, MN | Midcontinent Independent System Operator, Inc. (MISO) | 76.5 GWh | May 1949 | Aug 2026 | Wood/Wood Waste Solids : 92.7% Subbituminous Coal : 4.9% Natural Gas : 2.4% |
| Mitchell Dam | Alabama Power Co | Verbena, AL | Southern Company Services, Inc. - Trans (SOCO) | 391.0 GWh | Oct 1949 | Dec 2025 | Water |
| Mustang | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 523.8 GWh | Apr 1950 | Jul 2026 | Natural Gas : 99.2% Solar : 0.8% |
| McLeansboro | City of McLeansboro - (IL) | McLeansboro, IL | Midcontinent Independent System Operator, Inc. (MISO) | 42.0 MWh | Nov 1950 | Dec 2025 | Distillate Fuel Oil |
| Meade | City of Meade - (KS) | Meade, KS | Southwest Power Pool (SWPP) | 73.0 MWh | Dec 1950 | Dec 2025 | Natural Gas : 84.8% Distillate Fuel Oil : 15.2% |
| Marys Lake | U S Bureau of Reclamation | Estes Park, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 36.5 GWh | Apr 1951 | Dec 2025 | Water |
| Marble Falls | Lower Colorado River Authority | Marble Falls, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 23.8 GWh | Aug 1951 | Dec 2025 | Water |
| Middle Gorge | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 48.0 GWh | Apr 1952 | Dec 2025 | Water |
| McManus | Georgia Power Co | Brunswick, GA | Southern Company Services, Inc. - Trans (SOCO) | 18.7 GWh | Oct 1952 | Dec 2025 | Distillate Fuel Oil |
| Moose Lake | Moose Lake Water & Light Comm | Moose Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 128.0 MWh | Oct 1952 | Dec 2025 | Distillate Fuel Oil : 92.0% Natural Gas : 8.0% |
| Madison Utilities | City of Madison - (NE) | Madison, NE | Southwest Power Pool (SWPP) | 15.0 MWh | Mar 1953 | Dec 2025 | Distillate Fuel Oil |
| Michigamme Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.4 GWh | May 1953 | Dec 2025 | Water |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 4.0 TWh | Nov 1953 | Dec 2025 | Water |
| Montville Station | Montville Power LLC | Uncasville, CT | ISO New England (ISNE) | 133.2 GWh | Dec 1953 | Dec 2025 | Residual Fuel Oil : 74.2% Natural Gas : 24.9% Distillate Fuel Oil : 0.9% |
| Murphys | Utica Water & Power Authority | Murphys, CA | California Independent System Operator (CISO) | 14.8 GWh | Feb 1954 | Dec 2025 | Water |
| Mountain Lake | City of Mountain Lake - (MN) | Mountain Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Apr 1954 | Dec 2025 | Wind : 96.5% Distillate Fuel Oil : 1.9% Natural Gas : 1.6% |
| McWilliams | PowerSouth Energy Cooperative | Gantt, AL | Southern Company Services, Inc. - Trans (SOCO) | 3.4 TWh | Nov 1954 | Aug 2026 | Natural Gas |
| Minneapolis City of | City of Minneapolis - (KS) | Minneapolis, KS | Southwest Power Pool (SWPP) | 74.0 MWh | Mar 1955 | Dec 2025 | Natural Gas : 88.4% Distillate Fuel Oil : 11.6% |
| Manitowoc | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 190.6 GWh | May 1955 | Aug 2026 | Wood/Wood Waste Solids : 82.3% Petroleum Coke : 8.9% Bituminous Coal : 8.5% |
| Mountain Creek | Mountain Creek Power, LLC | Dallas, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 546.3 GWh | Jan 1956 | Dec 2025 | Natural Gas |
| Motiva Enterprises Port Arthur Refinery | Motiva Enterprises LLC | Port Arthur, TX | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 TWh | May 1957 | Aug 2026 | Natural Gas : 90.8% Other Gas : 9.2% |
| Malden | City of Malden - (MO) | Malden, MO | Southwest Power Pool (SWPP) | 68.0 MWh | Jul 1957 | Dec 2025 | Distillate Fuel Oil |
| Mora | City of Mora - (MN) | Mora, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Aug 1957 | Dec 2025 | Natural Gas : 71.2% Distillate Fuel Oil : 28.8% |
| Marathon Generating Plant | Florida Keys El Coop Assn, Inc | Marathon, FL | Florida Power & Light Co. (FPL) | 27.7 MWh | Dec 1957 | May 2025 | Distillate Fuel Oil |
| Menomonie | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 22.7 GWh | Dec 1957 | Dec 2025 | Water |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 714.1 GWh | Mar 1958 | Aug 2026 | Subbituminous Coal : 99.8% |
| McMeekin | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 550.4 GWh | Jun 1958 | Aug 2026 | Natural Gas |
| Middletown | Middletown Power LLC | Middletown, CT | ISO New England (ISNE) | 86.8 GWh | Sep 1958 | Dec 2025 | Residual Fuel Oil : 99.9% |
| Mt. Sinai- Morningside | Mt. Sinai- Morningside | New York, NY | New York Independent System Operator (NYIS) | 26.0 MWh | Dec 1959 | Dec 2025 | Distillate Fuel Oil |
| Mammoth Pool | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 583.8 GWh | Feb 1960 | Aug 2026 | Water |
| Manistique | Cloverland Electric Co-op | Manistique, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Jun 1960 | Dec 2025 | Distillate Fuel Oil |
| Miami Fort | Luminant Miami Fort | North Bend, OH | PJM Interconnection, LLC (PJM) | 6.7 TWh | Oct 1960 | Aug 2026 | Bituminous Coal : 99.8% |
| Merrimack | Granite Shore Power | Bow, NH | ISO New England (ISNE) | 2.3 GWh | Nov 1960 | Aug 2026 | Jet Fuel |
| Middlesex County Utilities Authority | Middlesex County Utilities Authority - (NJ) | Sayreville, NJ | PJM Interconnection, LLC (PJM) | 106.1 GWh | Dec 1960 | Aug 2026 | Landfill Gas |
| MU Combined Heat and Power Plant | Curators of the University of Missouri | Columbia, MO | Midcontinent Independent System Operator, Inc. (MISO) | 197.1 GWh | Jun 1961 | Aug 2026 | Natural Gas : 77.7% Wood/Wood Waste Solids : 20.7% Bituminous Coal : 1.6% |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |