Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Papago PV | RE Papago PV LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 261.8 GWh | - | Aug 2026 | Solar |
| Pastoria Solar | Pastoria Solar Energy Company, LLC | Lebec, CA | California Independent System Operator (CISO) | 61.3 GWh | - | Aug 2026 | Solar |
| Petersburg Energy Center | Petersburg Energy Center, LLC | Petersburg, IN | Midcontinent Independent System Operator, Inc. (MISO) | 267.6 GWh | - | Aug 2026 | Solar |
| Pin Oak Creek Energy Center, LLC | Freestone Power Generation LLC | Fairfield, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 376.9 GWh | - | Aug 2026 | Natural Gas |
| Pineview Solar, LLC | Pineview Solar, LLC | Pitts, GA | Southern Company Services, Inc. - Trans (SOCO) | 63.6 GWh | - | Aug 2026 | Solar |
| Pitts Dudik Solar II | Elawan Pitts Dudik Solar II, LLC | Hubbard, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 33.5 GWh | - | Aug 2026 | Solar |
| Plant X Solar | Southwestern Public Service Co | Earth, TX | Southwest Power Pool (SWPP) | 218.4 GWh | - | Aug 2026 | Solar |
| Pleasant Valley Solar 2 Project | PVS 2, LLC | Boise, ID | Idaho Power Company (IPCO) | 202.2 GWh | - | Aug 2026 | Solar |
| Pontotoc Wind | Avangrid Power LLC | Roff, OK | Southwestern Power Administration (SPA) | 376.9 GWh | - | Aug 2026 | Wind |
| Potter Solar | Potter Solar, LLC | Coudersport, PA | PJM Interconnection, LLC (PJM) | 4.6 GWh | - | Aug 2026 | Solar |
| Prairie Solar LLC | MN8 Energy LLC | Sidney, IL | Midcontinent Independent System Operator, Inc. (MISO) | 204.7 GWh | - | Aug 2026 | Solar |
| Price Creek | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 124.0 GWh | - | Aug 2026 | Solar |
| Proctor | Green Mountain Power Corp | Proctor, VT | ISO New England (ISNE) | 27.8 GWh | Jul 1905 | Dec 2025 | Water |
| Post Falls | Avista Corp | Post Falls, ID | Avista Corporation (AVA) | 60.4 GWh | Jun 1906 | Dec 2025 | Water |
| Pioneer | PacifiCorp | Ogden, UT | PacifiCorp East (PACE) | 10.4 GWh | May 1910 | Oct 2025 | Water |
| Port Edwards Mill | Domtar Industries Inc | Port Edwards, WI | Midcontinent Independent System Operator, Inc. (MISO) | 35.6 GWh | Dec 1912 | Aug 2026 | Water |
| Pittsford | Green Mountain Power Corp | Pittsford, VT | ISO New England (ISNE) | 7.5 GWh | Jan 1914 | Dec 2025 | Water |
| Parr Hydro | Dominion Energy South Carolina, Inc | Jenkinsville, SC | Dominion Energy South Carolina, Inc. (SCEG) | 53.3 GWh | Jul 1914 | Dec 2025 | Water |
| Prairie Du Sac | Wisconsin Power & Light Co | Prairie du Sac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 152.9 GWh | Sep 1915 | Dec 2025 | Water |
| Pillager | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1916 | Dec 2025 | Water |
| Putts Bridge | Central Rivers Power MA, LLC | Ludlow, MA | ISO New England (ISNE) | 10.6 GWh | Dec 1917 | Dec 2025 | Water |
| Puueo | Hawaii Electric Light Co Inc | Hilo, HI | 2.0 GWh | Nov 1918 | Apr 2026 | Water | |
| Packaging of America Tomahawk Mill | PCA-Tomahawk Mill | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 113.1 GWh | Dec 1919 | Dec 2025 | Wood/Wood Waste Solids : 35.4% Natural Gas : 35.0% Black Liquor : 18.0% Water : 11.0% Other Biomass Solids : 0.6% |
| Park Mill | Eagle Creek Renewable Energy, LLC | Marinette, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Dec 1919 | Dec 2025 | Water |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 2.2 GWh | Dec 1919 | Aug 2026 | Water |
| Prairie River | ALLETE, Inc. | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Mar 1920 | Dec 2025 | Water |
| Potato Rapids | Wisconsin Public Service Corp | Town of Porterfield, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Apr 1921 | Dec 2025 | Water |
| Pine | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 11.1 GWh | May 1922 | Dec 2025 | Water |
| Pit 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 255.5 GWh | Aug 1922 | Dec 2025 | Water |
| Piercefield | Erie Boulevard Hydropower LP | Piercefield, NY | New York Independent System Operator (NYIS) | 11.4 GWh | Dec 1923 | Dec 2025 | Water |
| Poole | Southern California Edison Co | Lee Vining, CA | California Independent System Operator (CISO) | 22.3 GWh | Apr 1924 | Dec 2025 | Water |
| Piney | BP Piney & Deep Creek LLC | Clarion, PA | PJM Interconnection, LLC (PJM) | 62.2 GWh | May 1924 | Dec 2025 | Water |
| Parishville | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 11.8 GWh | Dec 1924 | Dec 2025 | Water |
| Point A | PowerSouth Energy Cooperative | Andalusia, AL | Southern Company Services, Inc. - Trans (SOCO) | 13.4 GWh | Dec 1924 | Dec 2025 | Water |
| Pit 3 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 374.6 GWh | Jun 1925 | Dec 2025 | Water |
| Prospect 2 | PacifiCorp | Prospect, OR | PacifiCorp West (PACW) | 180.1 GWh | Dec 1927 | Dec 2025 | Water |
| Port Townsend Paper | Port Townsend Paper Co | Port Townsend, WA | Bonneville Power Administration (BPAT) | 7.7 GWh | Dec 1928 | Dec 2025 | Black Liquor : 48.8% Wood/Wood Waste Solids : 40.5% Natural Gas : 9.0% Waste/Other Oil : 1.6% |
| Pardee | East Bay Municipal Util Dist - (CA) | Valley Springs, CA | California Independent System Operator (CISO) | 79.6 GWh | Jun 1930 | Dec 2025 | Water |
| Prickett | Upper Peninsula Power Company | Pelkie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Oct 1931 | Dec 2025 | Water |
| Paris (KY) | City of Paris - (KY) | Paris, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 370.4 MWh | Nov 1934 | Dec 2025 | Distillate Fuel Oil |
| Pickwick Landing Dam | Tennessee Valley Authority | Pickwick Dam, TN | Tennessee Valley Authority (TVA) | 1.3 TWh | May 1938 | Dec 2025 | Water |
| Pinnacles | Northbrook Virginia Hydro, LLC | Ararat, VA | PJM Interconnection, LLC (PJM) | 21.8 GWh | May 1938 | Dec 2025 | Water |
| Phoenix | Pacific Gas & Electric Co. | Sonora, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1940 | Dec 2025 | Water |
| Pensacola | Grand River Dam Authority | Langley, OK | Southwest Power Pool (SWPP) | 422.2 GWh | Jul 1940 | Dec 2025 | Water |
| Plant No 1 Freeport | Village of Freeport - (NY) | Freeport, NY | New York Independent System Operator (NYIS) | 26.0 MWh | Dec 1940 | Dec 2025 | Distillate Fuel Oil |
| Parker Dam | U S Bureau of Reclamation | Parker, CA | Western Area Power Administration - Desert Southwest Region (WALC) | 359.7 GWh | Nov 1942 | Aug 2026 | Water |
| Peavy Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 48.4 GWh | Dec 1942 | Dec 2025 | Water |
| Pit 5 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 309.9 GWh | Mar 1944 | Aug 2026 | Water |
| PPG Riverside | Westlake 2 US LLC | Lake Charles, LA | Midcontinent Independent System Operator, Inc. (MISO) | 145.8 GWh | Aug 1947 | Aug 2026 | Purchased Steam |
| Pfizer Groton Plant | Pfizer Inc | Groton, CT | ISO New England (ISNE) | 82.3 GWh | Dec 1947 | Aug 2026 | Natural Gas : 92.1% Distillate Fuel Oil : 7.9% |
| Peterson | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 25.1 GWh | Jan 1948 | Dec 2025 | Water |
| Pixelle Specialty Solutions LLC - Spring | Pixelle Specialty Solutions LLC - (PA) | Spring Grove, PA | PJM Interconnection, LLC (PJM) | 366.8 GWh | Apr 1948 | Aug 2026 | Black Liquor : 44.2% Natural Gas : 32.2% Bituminous Coal : 18.3% Wood/Wood Waste Solids : 4.2% Residual Fuel Oil : 0.6% Sludge Waste : 0.6% |
| Painesville | City of Painesville - (OH) | Painesville, OH | PJM Interconnection, LLC (PJM) | 1.2 GWh | Dec 1948 | Dec 2025 | Bituminous Coal : 70.1% Natural Gas : 22.3% Distillate Fuel Oil : 7.6% |
| Preston (MN) | Preston Public Utilities Comm | Preston, MN | Midcontinent Independent System Operator, Inc. (MISO) | 78.0 MWh | Dec 1948 | Dec 2025 | Distillate Fuel Oil : 71.9% Natural Gas : 28.1% |
| Pyrites Plant | Central Rivers Power US, LLC | Pyrites, NY | New York Independent System Operator (NYIS) | 24.9 GWh | Dec 1948 | Dec 2025 | Water |
| Peru (IN) | City of Peru - (IN) | Peru, IN | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 MWh | May 1949 | Dec 2024 | Distillate Fuel Oil |
| Petenwell | Wisconsin River Power Company | Necedah, WI | Midcontinent Independent System Operator, Inc. (MISO) | 97.2 GWh | Jul 1949 | Dec 2025 | Water |
| Pawhuska | City of Pawhuska - (OK) | Pawhuska, OK | Southwest Power Pool (SWPP) | 88.0 MWh | Aug 1949 | Dec 2025 | Distillate Fuel Oil |
| Pulliam | Wisconsin Public Service Corp | Green Bay, WI | Midcontinent Independent System Operator, Inc. (MISO) | 52.5 GWh | Aug 1949 | Aug 2026 | Natural Gas |
| PCA, Filer City Mill | PCA, Filer City Mill | Filer City, MI | Midcontinent Independent System Operator, Inc. (MISO) | 94.7 GWh | Dec 1949 | Aug 2026 | Natural Gas |
| Plant X | Southwestern Public Service Co | Earth, TX | Southwest Power Pool (SWPP) | 585.8 GWh | Dec 1951 | Dec 2025 | Natural Gas : 99.9% |
| Pixelle Specialty Solutions LLC - Chilli | US Paper Mill Company | Chillicothe, OH | PJM Interconnection, LLC (PJM) | 272.9 GWh | Jan 1952 | Jun 2025 | Black Liquor : 41.8% Natural Gas : 41.1% Wood/Wood Waste Solids : 14.2% Tire-derived Fuels : 2.1% Distillate Fuel Oil : 0.7% |
| Pender | City of Pender - (NE) | Pender, NE | Southwest Power Pool (SWPP) | 152.0 MWh | Dec 1952 | Dec 2025 | Distillate Fuel Oil |
| Princeton (IL) | City of Princeton - (IL) | Princeton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 813.0 MWh | Jun 1953 | Dec 2025 | Natural Gas : 99.8% |
| Pensacola Florida Plant | Ascend Performance Materials LLC | Cantonment, FL | Southern Company Services, Inc. - Trans (SOCO) | 458.2 GWh | Aug 1953 | Aug 2026 | Natural Gas |
| Princeton (MN) | Princeton Public Utils Comm | Princeton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 108.0 MWh | Aug 1953 | Dec 2025 | Distillate Fuel Oil |
| PCA-Valdosta Mill | PCA-Valdosta Mill | Valdosta, GA | Southern Company Services, Inc. - Trans (SOCO) | 310.6 GWh | Dec 1953 | Dec 2025 | Black Liquor : 64.8% Wood/Wood Waste Solids : 31.3% Natural Gas : 3.8% |
| Pole Hill | U S Bureau of Reclamation | Loveland, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 202.4 GWh | Dec 1953 | Dec 2025 | Water |
| Petersburg | Petersburg Borough - (AK) | Petersburg, AK | 14.4 GWh | Feb 1954 | Dec 2025 | Water : 95.7% Distillate Fuel Oil : 4.3% | |
| Possum Point | Virginia Electric & Power Co | Dumfries, VA | PJM Interconnection, LLC (PJM) | 2.7 TWh | May 1955 | Aug 2026 | Natural Gas : 99.5% Distillate Fuel Oil : 0.5% |
| Pit 4 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 341.9 GWh | Jun 1955 | Aug 2026 | Water |
| Purple Lake | Metlakatla Power & Light | Metlakatla, AK | 13.9 GWh | Dec 1955 | Dec 2025 | Water | |
| Portal | Southern California Edison Co | Lakeshore, CA | California Independent System Operator (CISO) | 26.2 GWh | Nov 1956 | Dec 2025 | Water |
| Pilot Knob | Imperial Irrigation District | Winterhaven, CA | Imperial Irrigation District (IID) | 13.4 GWh | Dec 1956 | Dec 2025 | Water |
| Palisades Dam | U S Bureau of Reclamation | Palisades, ID | Bonneville Power Administration (BPAT) | 657.3 GWh | Jan 1957 | Dec 2025 | Water |
| Pelton | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 399.6 GWh | Nov 1957 | Dec 2025 | Water |
| Pratt | City of Pratt- (KS) | Pratt, KS | Southwest Power Pool (SWPP) | 348.0 MWh | Dec 1957 | Dec 2025 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Pleasant Valley Hydro | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 6.3 GWh | Jan 1958 | Sep 2025 | Water |
| Permian Basin | Luminant Generation Company LLC | Monahans, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 669.5 GWh | May 1958 | Dec 2025 | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| Pebbly Beach Generating Station Hybrid | Southern California Edison Co | Avalon, CA | California Independent System Operator (CISO) | 28.4 GWh | Jun 1958 | Aug 2026 | Distillate Fuel Oil : 95.8% Gaseous Propane : 4.2% |
| Poe | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 176.3 GWh | Sep 1958 | Aug 2026 | Water |
| Portland (PA) | Portland Power, LLC | Mt. Bethel, PA | PJM Interconnection, LLC (PJM) | 9.8 GWh | Sep 1958 | Dec 2025 | Distillate Fuel Oil |
| Prairie Creek | Interstate Power and Light Co | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 52.6 GWh | Sep 1958 | Aug 2026 | Subbituminous Coal : 51.0% Natural Gas : 49.0% |
| Port Jefferson | National Grid Generation LLC | Port Jefferson, NY | New York Independent System Operator (NYIS) | 441.3 GWh | Oct 1958 | Aug 2026 | Natural Gas : 82.8% Residual Fuel Oil : 16.0% Distillate Fuel Oil : 1.2% |
| Prospect | Erie Boulevard Hydropower LP | Prospect, NY | New York Independent System Operator (NYIS) | 55.2 GWh | Dec 1958 | Dec 2025 | Water |
| Priest Rapids | PUD No 2 of Grant County - (WA) | Mattawa, WA | Bonneville Power Administration (BPAT) | 4.9 TWh | Sep 1959 | Aug 2026 | Water |
| Pearsall | South Texas Electric Coop, Inc | Pearsall, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 453.9 GWh | Apr 1961 | Dec 2025 | Natural Gas |
| Paradise | Tennessee Valley Authority | Drakesboro, KY | Tennessee Valley Authority (TVA) | 8.1 TWh | Apr 1963 | Aug 2026 | Natural Gas |
| Potter Station 2 | Town of Braintree - (MA) | Braintree, MA | ISO New England (ISNE) | 41.0 GWh | Jun 1963 | Dec 2025 | Natural Gas : 61.2% Distillate Fuel Oil : 38.8% |
| Plant 31 Paper Mill | Graphic Packaging International | West Monroe, LA | Midcontinent Independent System Operator, Inc. (MISO) | 514.8 GWh | Dec 1963 | Dec 2025 | Natural Gas : 62.4% Black Liquor : 25.3% Wood/Wood Waste Solids : 12.3% |
| Port Allen (HI) | Kauai Island Utility Cooperative | Eleele, HI | 80.6 GWh | Dec 1963 | Aug 2026 | Distillate Fuel Oil | |
| Packwood | Energy Northwest - Packwood | Packwood, WA | Bonneville Power Administration (BPAT) | 73.8 GWh | Mar 1964 | Dec 2025 | Water |
| Pit 6 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 262.5 GWh | Jul 1965 | Dec 2025 | Water |
| Pit 7 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 366.3 GWh | Aug 1965 | Aug 2026 | Water |
| Powerlane Plant | City of Greenville - (TX) | Greenville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 55.8 GWh | Dec 1965 | Dec 2025 | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| Ponca City | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 32.4 GWh | Sep 1966 | Dec 2025 | Natural Gas |
| Paddys Run | Louisville Gas & Electric Co | Louisville, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 98.6 GWh | May 1968 | Aug 2026 | Natural Gas |
| Preston (IA) | City of Preston - (IA) | Preston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 MWh | Nov 1968 | Dec 2025 | Natural Gas : 85.1% Distillate Fuel Oil : 14.9% |
| Purdue University | Purdue University | West Lafayette, IN | Midcontinent Independent System Operator, Inc. (MISO) | 139.1 GWh | Dec 1968 | Aug 2026 | Natural Gas : 94.7% Bituminous Coal : 5.3% |
| Pine Street | Village of Sebewaing - (MI) | Sebewaing, MI | Midcontinent Independent System Operator, Inc. (MISO) | 462.0 MWh | May 1969 | Dec 2025 | Natural Gas |
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 |