Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Sterlington Solar | Entergy Louisiana LLC | Sterlington, LA | Midcontinent Independent System Operator, Inc. (MISO) | 37.0 GWh | - | May 2026 | Solar |
| Sun Pond | Sun Pond, LLC | Tonopah, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 47.2 GWh | - | May 2026 | Solar |
| SunZia Wind North | Pattern Operators LP | Clines Corner, NM | California Independent System Operator (CISO) | 312.7 GWh | - | May 2026 | Wind |
| SunZia Wind South | Pattern Operators LP | Corona, NM | California Independent System Operator (CISO) | 1.1 TWh | - | May 2026 | Wind |
| SV CSG Prophetstown 1 | SV CSG Prophetstown 1, LLC | Prophetstown, IL | PJM Interconnection, LLC (PJM) | 370.0 MWh | - | Dec 2025 | Solar |
| Swamp Cabbage | Florida Power & Light Co | LaBelle, FL | Florida Power & Light Co. (FPL) | 60.2 GWh | - | May 2026 | Solar |
| Sand Pine | Florida Power & Light Co | Altha, FL | Florida Power & Light Co. (FPL) | 25.3 GWh | - | May 2026 | Solar |
| Sea Grape | Florida Power & Light Co | Ft. Pierce, FL | Florida Power & Light Co. (FPL) | 26.3 GWh | - | May 2026 | Solar |
| Solar PV Development NM 18 II LLC | Solar PV Development NM 18 II LLC | Deming, NM | El Paso Electric Company (EPE) | 66.6 GWh | - | May 2026 | Solar |
| Split Rail Solar Energy LLC | Invenergy Services LLC | Warrenton, MO | Midcontinent Independent System Operator, Inc. (MISO) | 102.2 GWh | - | May 2026 | Solar |
| SR Millington II | SR Millington II, LLC | Millington, TN | Tennessee Valley Authority (TVA) | 17.3 GWh | - | May 2026 | Solar |
| Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 59.2 GWh | Dec 1897 | Dec 2025 | Water |
| S D Warren Westbrook | Relevate Power Management LLC | Westbrook, ME | ISO New England (ISNE) | 15.0 GWh | Dec 1902 | Dec 2025 | Water |
| Shoshone Falls | Idaho Power Co | Twin Falls, ID | Idaho Power Company (IPCO) | 51.9 GWh | Jul 1907 | Dec 2025 | Water |
| Schaghticoke | Erie Boulevard Hydropower LP | Schaghticoke, NY | New York Independent System Operator (NYIS) | 61.8 GWh | Dec 1907 | Dec 2025 | Water |
| Salida | Public Service Co of Colorado | Salida, CO | Public Service Company of Colorado (PSCO) | 1.7 GWh | May 1908 | Dec 2025 | Water |
| Shoshone (CO) | Public Service Co of Colorado | Glenwood Springs, CO | Public Service Company of Colorado (PSCO) | 91.8 GWh | May 1909 | Dec 2025 | Water |
| Skagway | Alaska Power and Telephone Co | Skagway, AK | 4.3 GWh | Jun 1909 | Dec 2024 | Water : 56.0% Distillate Fuel Oil : 44.0% | |
| St Croix Falls | Northern States Power Co - Minnesota | St Croix Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 80.0 GWh | Dec 1909 | Dec 2025 | Water |
| Snake Creek | Heber Light & Power Company | Midway, UT | PacifiCorp East (PACE) | 3.8 GWh | Jun 1910 | Nov 2025 | Water |
| South Edwards | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 19.0 GWh | Dec 1911 | Dec 2025 | Water |
| Stairs | PacifiCorp | Salt Lake City, UT | PacifiCorp East (PACE) | 4.1 GWh | Jun 1912 | Dec 2025 | Water |
| Spearfish Hydro | City of Spearfish - (SD) | Spearfish, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 18.4 GWh | Sep 1912 | Dec 2025 | Water |
| Saxon Falls | Northern States Power Co - Minnesota | Saxon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Dec 1912 | Dec 2025 | Water |
| Shawmut | Brookfield White Pine Hydro LLC | Shawmut, ME | ISO New England (ISNE) | 23.4 GWh | Dec 1912 | Dec 2025 | Water |
| Stillwater Hydro Station | Brookfield Black Bear Hydro, LLC | Stillwater, ME | ISO New England (ISNE) | 5.9 GWh | Dec 1912 | Dec 2025 | Water |
| Sylvan | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.1 GWh | Dec 1912 | Dec 2025 | Water |
| Stevens Creek | Dominion Energy South Carolina, Inc | Martinez, GA | Dominion Energy South Carolina, Inc. (SCEG) | 70.8 GWh | May 1914 | Nov 2025 | Water |
| School Street | Erie Boulevard Hydropower LP | Cohoes, NY | New York Independent System Operator (NYIS) | 146.1 GWh | Dec 1914 | Dec 2025 | Water |
| Seneca Falls Hydroelectric Project | C-S Canal Hydro, LLC | Seneca Falls, NY | New York Independent System Operator (NYIS) | 7.3 GWh | Dec 1916 | Dec 2025 | Water |
| Superior Falls | Northern States Power Co - Minnesota | Ironwood, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Dec 1916 | Dec 2025 | Water |
| Salisbury | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 2.4 GWh | Jan 1917 | Dec 2025 | Water |
| Silver Lake (VT) | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 5.2 GWh | Jan 1917 | Dec 2025 | Water |
| San Francisquito 1 | Los Angeles Department of Water & Power | Saugus, CA | Los Angeles Department of Water and Power (LDWP) | 125.4 GWh | Mar 1917 | Dec 2025 | Water |
| Stevens Point | Consolidated Water Power Co | Stevens Point, WI | Midcontinent Independent System Operator, Inc. (MISO) | 25.9 GWh | Dec 1917 | Dec 2025 | Water |
| Stevenson | FirstLight Power Resources Services LLC | Monroe, CT | ISO New England (ISNE) | 70.8 GWh | Dec 1918 | Dec 2025 | Water |
| Schuylerville | Erie Boulevard Hydropower LP | Schuylerville, NY | New York Independent System Operator (NYIS) | 7.0 GWh | Dec 1918 | Dec 2025 | Water |
| St Louis | City of St Louis - (MI) | St. Louis, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 MWh | Dec 1918 | Dec 2025 | Distillate Fuel Oil |
| Spalding | Village of Spalding - (NE) | Spalding, NE | Southwest Power Pool (SWPP) | 3.0 MWh | Jun 1919 | Dec 2025 | Water : 66.7% Distillate Fuel Oil : 33.3% |
| San Francisquito 2 | Los Angeles Department of Water & Power | Saugus, CA | Los Angeles Department of Water and Power (LDWP) | 33.7 GWh | Jun 1920 | Dec 2025 | Water |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | California Independent System Operator (CISO) | 11.6 GWh | Aug 1921 | Dec 2025 | Water |
| Searsburg | Great River Hydro, LLC | Searsburg, VT | ISO New England (ISNE) | 15.9 GWh | Feb 1922 | Dec 2025 | Water |
| Shoshone (WY) | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 17.1 GWh | Mar 1922 | Dec 2025 | Water |
| Scanlon | ALLETE, Inc. | Scanlon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1922 | Dec 2025 | Water |
| Sherman Island | Erie Boulevard Hydropower LP | Queensbury, NY | New York Independent System Operator (NYIS) | 139.2 GWh | Dec 1922 | Dec 2025 | Water |
| Sturgeon | Central Hudson Gas & Elec Corp | Tillson, NY | New York Independent System Operator (NYIS) | 49.1 GWh | Dec 1923 | Dec 2025 | Water |
| Sugar Island | Erie Boulevard Hydropower LP | Potsdam, NY | New York Independent System Operator (NYIS) | 22.7 GWh | Dec 1923 | Dec 2025 | Water |
| Sullivan | Portland General Electric Co | West Linn, OR | Portland General Electric Company (PGE) | 84.6 GWh | Apr 1924 | Dec 2025 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 16.3 GWh | Jun 1924 | Dec 2025 | Water |
| Sandstone Rapids | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.7 GWh | Dec 1924 | Dec 2025 | Water |
| Sewalls | Erie Boulevard Hydropower LP | Watertown, NY | New York Independent System Operator (NYIS) | 11.7 GWh | Dec 1924 | Dec 2025 | Water |
| Sinclair Oil Refinery | HF Sinclair Parco Refining LLC | Sinclair, WY | PacifiCorp East (PACE) | 5.9 GWh | Dec 1924 | May 2026 | Natural Gas |
| Soft Maple | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 31.6 GWh | Dec 1924 | Dec 2025 | Water |
| Spartanburg Water System | Spartanburg Commissioners PW | Chesnee, SC | Duke Energy Carolinas (DUK) | 620.0 MWh | Dec 1925 | May 2026 | Water : 84.0% Distillate Fuel Oil : 16.0% |
| Sherman | Great River Hydro, LLC | Rowe, MA | ISO New England (ISNE) | 27.8 GWh | Nov 1926 | Dec 2025 | Water |
| Spaulding 1 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 17.4 GWh | Apr 1928 | Dec 2025 | Water |
| Santeetlah | Brookfield Smoky Mountain Hydropower LP | Robbinsville, NC | Tennessee Valley Authority (TVA) | 130.0 GWh | May 1928 | Dec 2025 | Water |
| Spaulding 2 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 21.0 MWh | Jun 1928 | Nov 2025 | Water |
| Sappi Cloquet Mill | Sappi Cloquet LLC | Cloquet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 460.5 GWh | Dec 1928 | May 2026 | Black Liquor : 62.8% Wood/Wood Waste Solids : 17.5% Natural Gas : 15.7% Water : 3.1% |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 16.9 GWh | Jan 1929 | Dec 2025 | Water |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 36.6 GWh | Feb 1930 | Dec 2025 | Water |
| Saluda Lexington | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 91.5 GWh | Jul 1930 | Dec 2025 | Water |
| Salt Springs | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 113.4 GWh | May 1931 | Dec 2025 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 860.6 GWh | Nov 1931 | Dec 2025 | Water |
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 156.0 GWh | Jun 1932 | Dec 2025 | Water |
| Scotland Dam | FirstLight Power Resources Services LLC | Windham, CT | ISO New England (ISNE) | 3.8 GWh | Dec 1936 | Dec 2025 | Water |
| Spanish Fork | Strawberry Water Users Assn | Spanish Fork, UT | PacifiCorp East (PACE) | 14.5 GWh | Sep 1937 | Dec 2024 | Water |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 970.6 GWh | Sep 1938 | Dec 2025 | Water |
| Seminoe | U S Bureau of Reclamation | Sinclair, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 84.5 GWh | Jul 1939 | Dec 2025 | Water |
| Swinging Bridge 2 | Eagle Creek Renewable Energy, LLC | Forestburgh, NY | New York Independent System Operator (NYIS) | 12.3 GWh | Jul 1939 | Dec 2025 | Water |
| Strawberry Creek | Lower Valley Energy Inc | Bedford, WY | Bonneville Power Administration (BPAT) | 8.8 GWh | Jul 1940 | Dec 2025 | Water |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 564.0 MWh | Nov 1941 | Dec 2025 | Water |
| Shasta | U S Bureau of Reclamation | Redding, CA | Balancing Authority of Northern California (BANC) | 2.0 TWh | May 1944 | May 2026 | Water |
| Sibley Mill | Augusta Canal Authority | Augusta, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.0 GWh | Dec 1945 | May 2026 | Water |
| Sullivan (IL) | City of Sullivan - (IL) | Sullivan, IL | Midcontinent Independent System Operator, Inc. (MISO) | 462.0 MWh | May 1946 | May 2026 | Distillate Fuel Oil |
| Sonoco Products Co | Sonoco Products Co | Hartsville, SC | Duke Energy Progress East (CPLE) | 65.4 GWh | Jan 1947 | May 2026 | Wood/Wood Waste Solids : 88.4% Natural Gas : 11.6% |
| Sabine River Operations | The Dow Chemical Company | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 TWh | Dec 1947 | May 2026 | Natural Gas : 99.5% |
| Skelton | Brookfield White Pine Hydro LLC | Dayton, ME | ISO New England (ISNE) | 77.2 GWh | Dec 1947 | Dec 2025 | Water |
| Spreckels Sugar Company | Spreckels Sugar Company | Brawley, CA | Imperial Irrigation District (IID) | 19.9 GWh | Mar 1948 | Dec 2024 | Natural Gas |
| Smith (NH) | Central Rivers Power NH, LLC | Berlin, NH | ISO New England (ISNE) | 87.5 GWh | Jul 1948 | Dec 2025 | Water |
| Sewaren | Parkway Generation Sewaren Urban Renewal Entity LLC | Sewaren, NJ | PJM Interconnection, LLC (PJM) | 2.1 TWh | Oct 1948 | May 2026 | Natural Gas : 97.3% Distillate Fuel Oil : 2.7% |
| Stiles | Oconto Electric Cooperative | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Feb 1949 | Dec 2025 | Water |
| Sunbury Generation LP | Sunbury Generation LP | Shamokin Dam, PA | PJM Interconnection, LLC (PJM) | 1.4 GWh | Aug 1949 | Dec 2025 | Distillate Fuel Oil |
| Sterling | City of Sterling - (KS) | Sterling, KS | Southwest Power Pool (SWPP) | 22.0 MWh | Jul 1950 | Dec 2025 | Distillate Fuel Oil : 61.7% Natural Gas : 38.3% |
| Spillway | South Carolina Public Service Authority | Pineville, SC | South Carolina Public Service Authority (SC) | 4.8 GWh | Jul 1950 | Dec 2025 | Water |
| South Holston | Tennessee Valley Authority | Bristol, TN | Tennessee Valley Authority (TVA) | 121.5 GWh | Jan 1951 | Dec 2025 | Water |
| Summit Lake | Central Iowa Power Cooperative | Creston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 109.3 GWh | Feb 1951 | Dec 2025 | Natural Gas : 99.8% |
| Slide Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 57.0 GWh | Jun 1951 | Dec 2025 | Water |
| S A Carlson | Jamestown Board of Public Util | Jamestown, NY | New York Independent System Operator (NYIS) | 33.5 GWh | Jul 1951 | Dec 2024 | Natural Gas |
| Sharon Spring | City of Sharon Springs - (KS) | Sharon Springs, KS | Southwest Power Pool (SWPP) | 30.4 MWh | Jul 1951 | Dec 2025 | Natural Gas : 96.4% Distillate Fuel Oil : 3.6% |
| Spring Valley | Spring Valley Pub Utils Comm | Spring Valley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 227.4 MWh | Dec 1951 | Dec 2025 | Distillate Fuel Oil : 82.2% Natural Gas : 17.8% |
| Stewarts Bridge | Erie Boulevard Hydropower LP | Corinth, NY | New York Independent System Operator (NYIS) | 90.4 GWh | Dec 1951 | Dec 2025 | Water |
| Stuart (NE) | City of Stuart - (NE) | Stuart, NE | Southwest Power Pool (SWPP) | 13.0 MWh | Dec 1951 | Dec 2025 | Distillate Fuel Oil : 76.5% Natural Gas : 23.5% |
| Soda Springs | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 51.9 GWh | Feb 1952 | Dec 2025 | Water |
| Silas Ray | Brownsville Public Utilities Board | Brownsville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 51.9 GWh | Apr 1952 | Dec 2025 | Natural Gas |
| Southwestern | Public Service Co of Oklahoma | Anadarko, OK | Southwest Power Pool (SWPP) | 779.4 GWh | Jun 1952 | Dec 2024 | Natural Gas |
| Schiller | Granite Shore Power | Portsmouth, NH | ISO New England (ISNE) | 888.0 MWh | Sep 1952 | May 2026 | Jet Fuel |
| Sinclair Dam | Georgia Power Co | Milledgeville, GA | Southern Company Services, Inc. - Trans (SOCO) | 105.0 GWh | Jan 1953 | Dec 2025 | Water |
| SJ/SC WPCP | San Jose/Santa Clara Water P C | San Jose, CA | California Independent System Operator (CISO) | 69.4 GWh | Jan 1953 | May 2026 | Natural Gas : 54.1% Other Biomass Gas : 45.7% |
| Shawnee | Tennessee Valley Authority | West Paducah, KY | Tennessee Valley Authority (TVA) | 6.9 TWh | Mar 1953 | May 2026 | Subbituminous Coal : 99.8% |
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 |