Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Magnolia Power | Magnolia Power Holdings LLC | Plaquemine, LA | Midcontinent Independent System Operator, Inc. (MISO) | 867.0 GWh | - | Feb 2026 | Natural Gas |
| Mallard | Florida Power & Light Co | Palm Bay, FL | Florida Power & Light Co. (FPL) | 25.3 GWh | - | Feb 2026 | Solar |
| Mare Branch | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 38.7 GWh | - | Feb 2026 | Solar |
| Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | Idaho Power Company (IPCO) | 496.3 GWh | - | Feb 2026 | Solar |
| Milagro Solar I | Milagro Solar I, LLC | Santa Teresa, NM | El Paso Electric Company (EPE) | 178.5 GWh | - | Feb 2026 | Solar |
| Millers Branch Solar | Southern Power Co | Haskell County, TX | 37.5 GWh | - | Feb 2026 | Solar | |
| Monte Cristo 1 | Terra-Gen Operating Co-Wind | Monte Alto, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 314.6 GWh | - | Feb 2026 | Wind |
| Montgomery Ranch Wind Farm, LLC | Montgomery Ranch Wind Farm, LLC | Crowell, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 642.7 GWh | - | Feb 2026 | Wind |
| Montpelier Solar Project | Montpelier Solar, LLC | Montpelier, OH | PJM Interconnection, LLC (PJM) | 5.1 GWh | - | Feb 2026 | Solar |
| Morris Solar | AES Clean Energy | Kirksville, MO | Midcontinent Independent System Operator, Inc. (MISO) | 285.0 GWh | - | Feb 2026 | Solar |
| Morrow Lake Solar | Leeward Asset Management, LLC | Pearsall, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 61.4 GWh | - | Feb 2026 | Solar |
| Moscow | Greenbacker Renewable Energy Corporation | Moscow, ME | ISO New England (ISNE) | 72.9 GWh | - | Feb 2026 | Wind |
| Muskegon Solar | Consumers Energy Co - (MI) | Muskegon, MI | Midcontinent Independent System Operator, Inc. (MISO) | 27.4 GWh | - | Feb 2026 | Solar |
| Mill Creek 3 | Southern California Edison Co | Mill Creek, CA | California Independent System Operator (CISO) | 10.6 GWh | Feb 1903 | Dec 2024 | Water |
| Morgan Falls | Georgia Power Co | Dunwoody, GA | Southern Company Services, Inc. - Trans (SOCO) | 31.6 GWh | Nov 1903 | Dec 2024 | Water |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 76.2 GWh | Aug 1906 | Dec 2024 | Water |
| Millville Hydro Station | Eagle Creek Renewable Energy, LLC | Millville, WV | PJM Interconnection, LLC (PJM) | 8.6 GWh | Dec 1912 | Dec 2024 | Water |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 5.6 GWh | Dec 1913 | Dec 2024 | Water |
| Minetto | Erie Boulevard Hydropower LP | Minetto, NY | New York Independent System Operator (NYIS) | 32.6 GWh | Dec 1914 | Dec 2024 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 9.2 GWh | May 1915 | Dec 2024 | Water |
| Mio | Consumers Energy Co - (MI) | Mio, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | Dec 1915 | Dec 2024 | Water |
| Mosinee Mill | Ahlstrom-Munksjo NA Specialty Solutions, LLC | Mosinee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 104.9 GWh | Jun 1916 | Feb 2026 | Black Liquor : 47.4% Natural Gas : 15.0% Water : 14.9% Bituminous Coal : 12.7% Wood/Wood Waste Solids : 6.6% Residual Fuel Oil : 1.9% Sludge Waste : 1.6% |
| Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Feb 1917 | Dec 2024 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 6.5 GWh | Dec 1917 | Dec 2024 | Water |
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 20.9 GWh | Nov 1921 | Dec 2024 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 23.3 GWh | Dec 1922 | Dec 2024 | Water |
| Mottville | Indiana Michigan Power Co | White Pigeon, MI | PJM Interconnection, LLC (PJM) | 6.9 GWh | Dec 1922 | Dec 2024 | Water |
| Mongaup Falls | Eagle Creek Renewable Energy, LLC | Forestburgh, NY | New York Independent System Operator (NYIS) | 11.9 GWh | Jun 1923 | Nov 2024 | Water |
| Mountain Island | Duke Energy Carolinas, LLC | Mount Holly, NC | Duke Energy Carolinas (DUK) | 131.1 GWh | Nov 1923 | Dec 2024 | Water |
| Menominee Mill Marinette | Eagle Creek Renewable Energy, LLC | Menominee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.3 GWh | Dec 1923 | Feb 2026 | Water |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 10.8 GWh | Dec 1923 | Dec 2024 | Water |
| Morrisville | Village of Morrisville - (VT) | Morrisville, VT | ISO New England (ISNE) | 4.9 GWh | Jul 1924 | Dec 2024 | Water |
| Mission | Northbrook Carolina Hydro II, LLC | Murphy, NC | Duke Energy Carolinas (DUK) | 6.3 GWh | Nov 1924 | Dec 2024 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 53.7 GWh | Apr 1925 | Dec 2024 | Water |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 41.5 GWh | Apr 1926 | Feb 2026 | Water |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 8.1 GWh | Dec 1926 | Dec 2024 | Water |
| Martin Dam | Alabama Power Co | Dadeville, AL | Southern Company Services, Inc. - Trans (SOCO) | 305.9 GWh | Dec 1926 | Dec 2024 | Water |
| Manitou Springs | City of Colorado Springs - (CO) | Manitou Spring, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 2.1 GWh | Apr 1927 | Dec 2024 | Water |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 111.7 GWh | May 1927 | Dec 2024 | Water |
| Middlesex 2 | Green Mountain Power Corp | Moretown, VT | ISO New England (ISNE) | 9.8 GWh | Dec 1927 | Dec 2024 | Water |
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 704.0 MWh | May 1928 | Dec 2024 | Water |
| Moshier | Erie Boulevard Hydropower LP | Lowville, NY | New York Independent System Operator (NYIS) | 38.1 GWh | Dec 1928 | Dec 2024 | Water |
| Milton | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 44.4 GWh | Jan 1929 | Dec 2024 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 255.0 GWh | Dec 1929 | Dec 2024 | Water |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.4 GWh | Jun 1930 | Oct 2024 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 53.3 GWh | Dec 1930 | Dec 2024 | Water |
| Merwin | PacifiCorp | Ariel, WA | PacifiCorp West (PACW) | 467.3 GWh | Jun 1931 | Dec 2024 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 3.3 GWh | Dec 1934 | Dec 2024 | Water |
| Marmet | Appalachian Power Co | Marmet, WV | PJM Interconnection, LLC (PJM) | 67.4 GWh | Nov 1935 | Dec 2024 | Water |
| Monroe (NE) | Loup River Public Power Dist | Monroe, NE | Southwest Power Pool (SWPP) | 25.4 GWh | Dec 1935 | Dec 2024 | Water |
| Manti Upper | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 464.0 MWh | Dec 1938 | Apr 2024 | Water |
| Macomb | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 7.5 GWh | Dec 1939 | Dec 2024 | Water |
| Montezuma | City of Montezuma - (IA) | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 119.0 MWh | Jul 1940 | Dec 2024 | Distillate Fuel Oil : 63.8% Natural Gas : 36.2% |
| Marshall Ford | Lower Colorado River Authority | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 24.0 GWh | Dec 1940 | Dec 2024 | Water |
| Milford Hydro Station | Brookfield Black Bear Hydro, LLC | Milford, ME | ISO New England (ISNE) | 37.2 GWh | Jun 1941 | Dec 2024 | Water |
| McGregor | City of McGregor- (IA) | McGregor, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 MWh | Nov 1941 | Dec 2024 | Distillate Fuel Oil |
| Moline | MidAmerican Energy Co | Moline, IL | Midcontinent Independent System Operator, Inc. (MISO) | 18.6 GWh | Dec 1941 | Dec 2024 | Water : 94.4% Natural Gas : 5.6% |
| Mon Valley Works | United States Steel-Mon Valley | Dravosburg, PA | PJM Interconnection, LLC (PJM) | 430.7 GWh | May 1943 | Dec 2024 | Blast Furnace Gas : 83.2% Other Gas : 16.8% |
| Mill C | New York State Elec & Gas Corp | Town of Plattsburgh, NY | New York Independent System Operator (NYIS) | 28.1 GWh | Jul 1943 | Dec 2024 | Water |
| Melrose | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 49.0 MWh | Jun 1945 | 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 |
| Marshall (MO) | City of Marshall - (MO) | Marshall, MO | Southwest Power Pool (SWPP) | 437.0 MWh | May 1948 | Dec 2024 | Natural Gas : 85.4% Distillate Fuel Oil : 14.6% |
| MSC Croswell | Michigan Sugar Company | Croswell, MI | Midcontinent Independent System Operator, Inc. (MISO) | 35.9 MWh | Sep 1948 | Jan 2025 | Natural Gas |
| Milford | City of Milford - (IA) | Milford, IA | Southwest Power Pool (SWPP) | 283.0 MWh | Dec 1948 | Dec 2024 | Distillate Fuel Oil |
| M L Hibbard | ALLETE, Inc. | Duluth, MN | Midcontinent Independent System Operator, Inc. (MISO) | 98.4 GWh | May 1949 | Feb 2026 | Wood/Wood Waste Solids : 91.5% Subbituminous Coal : 6.4% Natural Gas : 2.1% |
| Mitchell Dam | Alabama Power Co | Verbena, AL | Southern Company Services, Inc. - Trans (SOCO) | 355.5 GWh | Oct 1949 | Dec 2024 | Water |
| Mustang | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 438.6 GWh | Apr 1950 | Feb 2026 | Natural Gas : 99.1% Solar : 0.9% |
| Meade | City of Meade - (KS) | Meade, KS | Southwest Power Pool (SWPP) | 85.0 MWh | Dec 1950 | Dec 2024 | Natural Gas : 77.8% Distillate Fuel Oil : 22.2% |
| Marys Lake | U S Bureau of Reclamation | Estes Park, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 4.5 GWh | Apr 1951 | Dec 2024 | Water |
| Marble Falls | Lower Colorado River Authority | Marble Falls, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 15.2 GWh | Aug 1951 | Dec 2024 | Water |
| Middle Gorge | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 90.9 GWh | Apr 1952 | Dec 2024 | Water |
| McManus | Georgia Power Co | Brunswick, GA | Southern Company Services, Inc. - Trans (SOCO) | 3.3 GWh | Oct 1952 | Dec 2024 | Distillate Fuel Oil |
| Moose Lake | Moose Lake Water & Light Comm | Moose Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 63.0 MWh | Oct 1952 | Dec 2024 | Distillate Fuel Oil : 83.7% Natural Gas : 16.3% |
| Madison Utilities | City of Madison - (NE) | Madison, NE | Southwest Power Pool (SWPP) | 1.0 MWh | Mar 1953 | Dec 2024 | Distillate Fuel Oil |
| Michigamme Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 23.0 GWh | May 1953 | Dec 2024 | Water |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 3.7 TWh | Nov 1953 | Dec 2024 | Water |
| Montville Station | Montville Power LLC | Uncasville, CT | ISO New England (ISNE) | 27.8 GWh | Dec 1953 | Dec 2024 | Natural Gas : 52.4% Residual Fuel Oil : 46.4% Distillate Fuel Oil : 1.2% |
| Murphys | Utica Water & Power Authority | Murphys, CA | California Independent System Operator (CISO) | 15.5 GWh | Feb 1954 | Dec 2024 | Water |
| Mountain Lake | City of Mountain Lake - (MN) | Mountain Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Apr 1954 | Dec 2024 | Wind : 97.7% Natural Gas : 1.8% |
| McWilliams | PowerSouth Energy Cooperative | Gantt, AL | Southern Company Services, Inc. - Trans (SOCO) | 3.5 TWh | Nov 1954 | Feb 2026 | Natural Gas |
| Minneapolis City of | City of Minneapolis - (KS) | Minneapolis, KS | Southwest Power Pool (SWPP) | 99.0 MWh | Mar 1955 | Dec 2024 | Natural Gas : 89.2% Distillate Fuel Oil : 10.8% |
| Manitowoc | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 179.2 GWh | May 1955 | Feb 2026 | Wood/Wood Waste Solids : 91.2% Petroleum Coke : 4.9% Bituminous Coal : 3.6% |
| Mountain Creek | Mountain Creek Power, LLC | Dallas, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 479.5 GWh | Jan 1956 | Dec 2024 | Natural Gas |
| Motiva Enterprises Port Arthur Refinery | Motiva Enterprises LLC | Port Arthur, TX | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 TWh | May 1957 | Feb 2026 | Natural Gas : 90.9% Other Gas : 9.1% |
| Malden | City of Malden - (MO) | Malden, MO | Southwest Power Pool (SWPP) | 128.0 MWh | Jul 1957 | Dec 2024 | Distillate Fuel Oil |
| Marathon Generating Plant | Florida Keys El Coop Assn, Inc | Marathon, FL | Florida Power & Light Co. (FPL) | 46.1 MWh | Dec 1957 | Dec 2024 | Distillate Fuel Oil |
| Menomonie | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.5 GWh | Dec 1957 | Dec 2024 | Water |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 774.6 GWh | Mar 1958 | Feb 2026 | Subbituminous Coal : 99.7% |
| McMeekin | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 260.9 GWh | Jun 1958 | Feb 2026 | Natural Gas |
| Middletown | Middletown Power LLC | Middletown, CT | ISO New England (ISNE) | 33.0 GWh | Sep 1958 | Dec 2024 | Residual Fuel Oil : 60.6% Natural Gas : 39.3% |
| Mt. Sinai- Morningside | Mt. Sinai- Morningside | New York, NY | New York Independent System Operator (NYIS) | 17.0 MWh | Dec 1959 | Dec 2024 | Distillate Fuel Oil |
| Mammoth Pool | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 538.5 GWh | Feb 1960 | Feb 2026 | Water |
| Manistique | Cloverland Electric Co-op | Manistique, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Jun 1960 | Dec 2024 | Distillate Fuel Oil |
| Miami Fort | Luminant Miami Fort | North Bend, OH | PJM Interconnection, LLC (PJM) | 6.6 TWh | Oct 1960 | Feb 2026 | Bituminous Coal : 99.8% |
| Merrimack | Granite Shore Power | Bow, NH | ISO New England (ISNE) | 116.0 GWh | Nov 1960 | Feb 2026 | Bituminous Coal : 97.5% Jet Fuel : 2.4% |
| Middlesex County Utilities Authority | Middlesex County Utilities Authority | Sayreville, NJ | PJM Interconnection, LLC (PJM) | 106.0 GWh | Dec 1960 | Feb 2026 | Landfill Gas |
| MU Combined Heat and Power Plant | Curators of the University of Missouri | Columbia, MO | Midcontinent Independent System Operator, Inc. (MISO) | 203.4 GWh | Jun 1961 | Feb 2026 | Natural Gas : 76.9% Wood/Wood Waste Solids : 20.5% Bituminous Coal : 2.6% |
| Maddox | Southwestern Public Service Co | Hobbs, NM | Southwest Power Pool (SWPP) | 644.4 GWh | Dec 1962 | Feb 2026 | Natural Gas |
| Mayfield | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 576.4 GWh | Feb 1963 | Dec 2024 | Water |
| Marion | Southern Illinois Power Coop | Marion, IL | Midcontinent Independent System Operator, Inc. (MISO) | 783.3 GWh | May 1963 | Feb 2026 | Bituminous Coal : 85.9% Natural Gas : 13.6% Distillate Fuel Oil : 0.5% |
Summary of Power Plants By State
Figures are based on February 2026 generation numbers.| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 77 | 10,522.92 GWh |
| Alaska | # 48 | 139 | 547.09 GWh |
| Arizona | # 16 | 184 | 7,875.02 GWh |
| Arkansas | # 25 | 114 | 5,134.19 GWh |
| California | # 5 | 1,677 | 13,090.02 GWh |
| Colorado | # 31 | 294 | 4,129.24 GWh |
| Connecticut | # 32 | 162 | 3,713.11 GWh |
| Delaware | # 49 | 33 | 489.00 GWh |
| District of Columbia | # 51 | 16 | 15.28 GWh |
| Florida | # 3 | 334 | 18,619.02 GWh |
| Georgia | # 8 | 248 | 10,834.93 GWh |
| Hawaii | # 47 | 70 | 669.33 GWh |
| Idaho | # 41 | 145 | 1,901.37 GWh |
| Illinois | # 4 | 380 | 14,875.53 GWh |
| Indiana | # 12 | 216 | 9,790.54 GWh |
| Iowa | # 19 | 290 | 6,378.25 GWh |
| Kansas | # 29 | 183 | 4,702.54 GWh |
| Kentucky | # 22 | 60 | 6,056.73 GWh |
| Louisiana | # 17 | 86 | 7,844.56 GWh |
| Maine | # 45 | 215 | 1,304.77 GWh |
| Maryland | # 38 | 203 | 3,022.33 GWh |
| Massachusetts | # 43 | 638 | 1,703.92 GWh |
| Michigan | # 11 | 268 | 9,944.77 GWh |
| Minnesota | # 28 | 763 | 4,707.75 GWh |
| Mississippi | # 23 | 56 | 5,592.62 GWh |
| Missouri | # 24 | 127 | 5,447.62 GWh |
| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,424.51 GWh |
| Nebraska | # 35 | 124 | 3,248.85 GWh |
| Nevada | # 39 | 114 | 3,017.15 GWh |
| New Hampshire | # 44 | 56 | 1,533.32 GWh |
| New Jersey | # 27 | 386 | 5,076.17 GWh |
| New Mexico | # 37 | 143 | 3,060.89 GWh |
| New York | # 9 | 949 | 10,653.43 GWh |
| North Carolina | # 7 | 903 | 11,173.71 GWh |
| North Dakota | # 33 | 59 | 3,698.46 GWh |
| Ohio | # 6 | 200 | 13,061.62 GWh |
| Oklahoma | # 18 | 141 | 6,415.64 GWh |
| Oregon | # 21 | 270 | 6,135.97 GWh |
| Pennsylvania | # 2 | 251 | 20,963.61 GWh |
| Rhode Island | # 46 | 100 | 708.28 GWh |
| South Carolina | # 15 | 207 | 8,044.42 GWh |
| South Dakota | # 42 | 52 | 1,872.08 GWh |
| Tennessee | # 20 | 88 | 6,323.51 GWh |
| Texas | # 1 | 959 | 41,824.62 GWh |
| Utah | # 36 | 125 | 3,187.35 GWh |
| Vermont | # 50 | 116 | 163.02 GWh |
| Virginia | # 14 | 236 | 9,222.47 GWh |
| Washington | # 13 | 135 | 9,340.69 GWh |
| West Virginia | # 30 | 40 | 4,249.38 GWh |
| Wisconsin | # 26 | 239 | 5,119.83 GWh |
| Wyoming | # 34 | 70 | 3,369.17 GWh |