Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| ME Novel Lighthouse - Front St. Solar CS | Luminace Sunbeam Development Holdings, LLC | Skowhegan, ME | ISO New England (ISNE) | 3.9 GWh | Apr 2023 | Dec 2024 | Solar |
| Weston Hydro | Brookfield White Pine Hydro LLC | Skowhegan, ME | ISO New England (ISNE) | 57.4 GWh | Dec 1919 | Dec 2024 | Water |
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | ISO New England (ISNE) | 561.6 GWh | Dec 1975 | Nov 2025 | Black Liquor : 45.5% Wood/Wood Waste Solids : 38.8% Natural Gas : 7.5% Tire-derived Fuels : 4.8% Residual Fuel Oil : 2.6% Sludge Waste : 0.8% |
| Slana Generating Station | Alaska Power and Telephone Co | Slana, AK | (NA) | 1.4 GWh | Dec 2015 | Dec 2024 | Distillate Fuel Oil |
| Slayton Solar | Ecos Energy LLC | Slayton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2012 | Dec 2024 | Solar |
| Auriga Community Solar | National Grid Renewables | Slayton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2018 | Dec 2024 | Solar |
| USS Slayton Solar LLC (CSG) | United States Solar Corporation | Slayton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 627.0 MWh | Jul 2024 | Dec 2024 | Solar |
| Sleepy Eye | Sleepy Eye Public Utility Comm | Sleepy Eye, MN | Midcontinent Independent System Operator, Inc. (MISO) | 131.0 MWh | Jun 1995 | Dec 2024 | Distillate Fuel Oil |
| JLL-One Rockwood Road | JLL-One Rockwood Road | Sleppy Hollow, NY | New York Independent System Operator (NYIS) | 17.0 MWh | Dec 2002 | Dec 2024 | Distillate Fuel Oil |
| RE Dillard 1 LLC | MN8 Energy LLC | Sloughhouse, CA | Balancing Authority of Northern California (BANC) | 6.0 GWh | Dec 2011 | Dec 2024 | Solar |
| RE Dillard 2 LLC | MN8 Energy LLC | Sloughhouse, CA | Balancing Authority of Northern California (BANC) | 6.1 GWh | Dec 2011 | Dec 2024 | Solar |
| RE Dillard 3 LLC | MN8 Energy LLC | Sloughhouse, CA | Balancing Authority of Northern California (BANC) | 6.1 GWh | Dec 2011 | Dec 2024 | Solar |
| Kiefer Landfill | Sacramento County of Dpt Waste | Sloughhouse, CA | Balancing Authority of Northern California (BANC) | 51.0 GWh | Nov 1999 | Dec 2024 | Landfill Gas |
| SloughHouse Solar, LLC | SloughHouse Solar, LLC | SloughHouse, CA | Balancing Authority of Northern California (BANC) | 48.2 GWh | - | Nov 2025 | Solar |
| Nitro Solar | USF Surry, LLC | Smitfield, NC | Duke Energy Progress East (CPLE) | 7.6 GWh | Jun 2015 | Dec 2024 | Solar |
| ESA Smithfield | SRE Utility Solar 1, LLC | Smithfield, NC | Duke Energy Progress East (CPLE) | 3.1 GWh | Sep 2015 | Dec 2024 | Solar |
| Wellons Farm | Wellons Farm, LLC | Smithfield, NC | Duke Energy Carolinas (DUK) | 9.3 GWh | Nov 2015 | Dec 2024 | Solar |
| CII Methane Management IV, LLC | Frontier Operation Services | Smithfield, NC | Duke Energy Progress East (CPLE) | 11.3 GWh | May 2014 | Dec 2024 | Landfill Gas |
| Smithfield Solar Farm, LLC | Smithfield Solar Farm | Smithfield, RI | ISO New England (ISNE) | 4.4 GWh | Jun 2020 | Dec 2024 | Solar |
| Cavalier Solar | AES Clean Energy | Smithfield, VA | PJM Interconnection, LLC (PJM) | 311.4 GWh | May 2024 | Nov 2025 | Solar |
| Cavalier Solar A2 | AES Clean Energy | Smithfield, VA | PJM Interconnection, LLC (PJM) | 157.7 GWh | Nov 2024 | Nov 2025 | Solar |
| Woodland Solar Farm | Virginia Electric & Power Co | Smithfield, VA | PJM Interconnection, LLC (PJM) | 32.2 GWh | Nov 2016 | Dec 2024 | Solar |
| Smithland Hydroelectric Plant | American Mun Power-Ohio, Inc | Smithland, KY | Midcontinent Independent System Operator, Inc. (MISO) | 327.3 GWh | Jun 2017 | Nov 2025 | Water |
| Walton Discover Power Facility | Walton Discover LLC | Smiths, AL | Southern Company Services, Inc. - Trans (SOCO) | 69.0 MWh | May 1999 | Dec 2024 | Natural Gas |
| H Allen Franklin Combined Cycle | Southern Power Co | Smiths, AL | Southern Company Services, Inc. - Trans (SOCO) | 12.1 TWh | May 2002 | Nov 2025 | Natural Gas |
| Goat Rock | Georgia Power Co | Smiths, AL | Southern Company Services, Inc. - Trans (SOCO) | 104.7 GWh | Nov 1915 | Dec 2024 | Water |
| Tenaska Westmoreland Generating Station | Tenaska Pennsylvania Partners, LLC | Smithton, PA | PJM Interconnection, LLC (PJM) | 6.3 TWh | Nov 2018 | Nov 2025 | Natural Gas |
| Saint Catherine of Siena Medical Center | Saint Catherine of Siena Medical Center | Smithtown, NY | New York Independent System Operator (NYIS) | 14.0 MWh | Dec 1971 | Dec 2024 | Distillate Fuel Oil |
| DG AMP Solar Smyrna | DG AMP Solar, LLC | Smyrna, DE | PJM Interconnection, LLC (PJM) | 1.8 GWh | Jun 2018 | Dec 2024 | Solar |
| Warren F Sam Beasley Generation Station | Delaware Municipal Electric Corp | Smyrna, DE | PJM Interconnection, LLC (PJM) | 71.8 GWh | Mar 2002 | Nov 2025 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Jack McDonough | Georgia Power Co | Smyrna, GA | Southern Company Services, Inc. - Trans (SOCO) | 17.2 TWh | Apr 1971 | Nov 2025 | Natural Gas |
| Parker | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 5.5 GWh | Mar 1982 | Oct 2024 | Water |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.4 GWh | Jun 1930 | Oct 2024 | Water |
| McSwain | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 31.8 GWh | Jun 1967 | Dec 2024 | Water |
| Exchequer | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 267.9 GWh | Jun 1967 | Dec 2024 | Water |
| Black Creek | Black Creek Hydro Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 9.7 GWh | Jan 1994 | Nov 2024 | Water |
| Snoqualmie 2 | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 108.9 GWh | Dec 1956 | Dec 2024 | Water |
| Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 65.9 GWh | Dec 1897 | Dec 2024 | Water |
| Hancock Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 23.0 GWh | Jan 2018 | Dec 2024 | Water |
| Calligan Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 17.2 GWh | Jan 2018 | Dec 2024 | Water |
| Snow Camp Solar, LLC | Cypress Creek Renewables | Snow Camp, NC | Duke Energy Progress East (CPLE) | 11.1 GWh | Feb 2016 | Dec 2024 | Solar |
| Gibbons CSG | Nautilus Solar Solutions | Snow Hill, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2019 | Dec 2024 | Solar |
| Innovative Solar 63, LLC | Cypress Creek Renewables | Snow Hill, NC | Duke Energy Carolinas (DUK) | 8.7 GWh | Jan 2016 | Dec 2024 | Solar |
| Snow Hill Solar 2 LLC | Strata Manager, LLC | Snow Hill, NC | Duke Energy Progress East (CPLE) | 3.9 GWh | Apr 2014 | Dec 2024 | Solar |
| Arba Solar, LLC | Leyline Renewable Energy, LLC | Snow Hill, NC | Duke Energy Carolinas (DUK) | 2.9 GWh | May 2014 | Dec 2023 | Solar |
| Thornton PV1 | Ecoplexus, Inc | Snow Hill, NC | Duke Energy Carolinas (DUK) | 8.9 GWh | Nov 2015 | Dec 2024 | Solar |
| Snowbird Power Plant | Snowbird Corporation | Snowbird, UT | PacifiCorp East (PACE) | 14.7 GWh | Nov 1986 | Dec 2024 | Natural Gas |
| Novo BioPower Plant | Novo Biopower LLC | Snowflake, AZ | Arizona Public Service Company (AZPS) | 168.1 GWh | May 2008 | Dec 2024 | Wood/Wood Waste Solids : 99.8% |
| Kiowa County Solar Project, LLC | Kiowa County Solar Project, LLC | Snyder, OK | Southwestern Power Administration (SPA) | 220.1 GWh | - | Nov 2025 | Solar |
| North Fork Solar Project | North Fork Solar Project, LLC | Snyder, OK | Southwest Power Pool (SWPP) | 289.4 GWh | Apr 2024 | Nov 2025 | Solar |
| Coyote Wind LLC | EDF Renewable Asset Holdings, Inc. | Snyder, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 623.1 GWh | Dec 2020 | Nov 2025 | Wind |
| WAL1272 | Walmart Stores Texas, LLC | Snyder, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 176.0 MWh | Mar 2021 | Dec 2024 | Natural Gas |
| Lumina Solar Project | IP Lumina, LLC | Snyder, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 685.2 GWh | Dec 2023 | Nov 2025 | Solar |
| Lumina II Solar Project | IP Lumina II, LLC | Snyder, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 703.5 GWh | Dec 2023 | Nov 2025 | Solar |
| Scurry County Wind II | Invenergy Services LLC | Snyder, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 164.9 GWh | Nov 2007 | Dec 2024 | Wind |
| Scurry County Wind LP | Invenergy Services LLC | Snyder, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 205.4 GWh | Apr 2007 | Dec 2024 | Wind |
| EG178 Facility | Kinder Morgan Production Company LP | Snyder, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 713.1 GWh | May 2005 | Dec 2024 | Natural Gas |
| Dermott Wind | Dermott Wind, LLC | Snyder, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 855.9 GWh | Jun 2017 | Nov 2025 | Wind |
| Elizabeth Mines Solar 1 | Elizabeth Mines Solar 1, LLC | So. Strafford, VT | ISO New England (ISNE) | 7.4 GWh | Oct 2017 | Dec 2024 | Solar |
| Simon Solar Farm LLC | Simon Solar Farm, LLC | Social Circle, GA | Southern Company Services, Inc. - Trans (SOCO) | 47.5 GWh | Oct 2013 | Dec 2024 | Solar |
| Watauga Solar | Altus Power America Management, LLC | Society Hill, SC | Duke Energy Progress East (CPLE) | 3.8 GWh | Feb 2019 | Dec 2024 | Solar |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 19.1 GWh | Jun 1924 | Dec 2024 | Water |
| Sequoyah | Tennessee Valley Authority | Soddy Daisy, TN | Tennessee Valley Authority (TVA) | 12.4 TWh | Jun 1981 | Nov 2025 | Nuclear |
| Soldotna | Homer Electric Assn Inc | Soldotna, AK | 42.1 GWh | Mar 2014 | Dec 2024 | Natural Gas | |
| CA-DGS- RFP-Correctional Training Fac | Forefront Power, LLC | Soledad, CA | California Independent System Operator (CISO) | 3.4 GWh | Feb 2024 | Dec 2024 | Solar |
| CA-DGS RFP-Salinas Valley State Prison | Forefront Power, LLC | Soledad, CA | California Independent System Operator (CISO) | 6.8 GWh | Oct 2023 | Dec 2024 | Solar |
| Foundation California Training Facility | Foundation CA Fund IX Manager, LLC | Soledad, CA | California Independent System Operator (CISO) | 5.4 GWh | Jul 2018 | Dec 2024 | Wind |
| Foundation SaIinas Valley State Prison | Foundation CA Fund IX Manager, LLC | Soledad, CA | California Independent System Operator (CISO) | 4.8 GWh | Jul 2018 | Dec 2024 | Wind |
| Foundation Dole Fresh Vegetables | Foundation CA Fund X Manager LLC | Soledad, CA | California Independent System Operator (CISO) | 17.1 GWh | Jul 2022 | Dec 2024 | Wind |
| City of Soledad Water Reclamation | Foundation HA Energy Generation, LLC | Soledad, CA | California Independent System Operator (CISO) | 4.0 GWh | Oct 2014 | Dec 2024 | Wind |
| Solomon-DS&O | Today's Power, Inc. | Solomon, KS | Southwest Power Pool (SWPP) | 2.4 GWh | Apr 2023 | Dec 2024 | Solar |
| Williams Hydro | Brookfield White Pine Hydro LLC | Solon, ME | ISO New England (ISNE) | 80.2 GWh | Dec 1938 | Dec 2024 | Water |
| CH Resources Syracuse | Lakeside Syracuse LLC | Solvay, NY | New York Independent System Operator (NYIS) | 16.1 GWh | Dec 1993 | Dec 2024 | Natural Gas |
| Solway CT | Otter Tail Power Co | Solway, MN | Midcontinent Independent System Operator, Inc. (MISO) | 124.7 GWh | Apr 2003 | Dec 2024 | Natural Gas |
| Barrow Solar | Ecos Energy LLC | Somers, CT | ISO New England (ISNE) | 3.3 GWh | May 2021 | Dec 2024 | Solar |
| Blair Solar | Ecos Energy LLC | Somers, CT | ISO New England (ISNE) | 1.6 GWh | Dec 2020 | Dec 2024 | Solar |
| Madison Solar (CT) | Ecos Energy LLC | Somers, CT | ISO New England (ISNE) | 1.7 GWh | Dec 2020 | Dec 2024 | Solar |
| Few Solar | Ecos Energy LLC | Somers, CT | ISO New England (ISNE) | 1.6 GWh | Dec 2020 | Dec 2024 | Solar |
| Somers Solar Center, LLC | Onward Energy | Somers, CT | ISO New England (ISNE) | 8.6 GWh | Nov 2013 | Dec 2024 | Solar |
| Cooper | East Kentucky Power Coop, Inc | Somerset, KY | PJM Interconnection, LLC (PJM) | 557.6 GWh | Jan 1965 | Nov 2025 | Bituminous Coal : 99.4% Distillate Fuel Oil : 0.6% |
| L'Oreal Franklin | MN8 Energy LLC | Somerset, NJ | PJM Interconnection, LLC (PJM) | 1.3 GWh | Feb 2012 | Dec 2024 | Solar |
| Bernards Solar | NJR Clean Energy Ventures Corporation | Somerset, NJ | PJM Interconnection, LLC (PJM) | 4.4 GWh | Aug 2016 | Dec 2024 | Solar |
| Rotor Clip | MERIT SI | Somerset, NJ | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2018 | Dec 2023 | Solar |
| Franklin Solar 2 LLC Community Solar | Dimension Energy LLC | Somerset, NJ | PJM Interconnection, LLC (PJM) | 5.5 GWh | Sep 2023 | Dec 2024 | Solar |
| Franklin Solar 1 LLC Community Solar | Dimension Energy LLC | Somerset, NJ | PJM Interconnection, LLC (PJM) | 4.3 GWh | Sep 2023 | Dec 2024 | Solar |
| Dynamic Energy NJ - Ferrero | Distributed Solar Development, LLC | Somerset, NJ | PJM Interconnection, LLC (PJM) | 2.4 GWh | Oct 2022 | Dec 2024 | Solar |
| SCS Randolph 012175 Somerset, LLC | Arevon Energy, Inc. | Somerset, NJ | PJM Interconnection, LLC (PJM) | 2.5 GWh | Dec 2020 | Dec 2024 | Solar |
| Glades Pike Generation Plant | State Correctnl Inst Laurel Highlands | Somerset, PA | PJM Interconnection, LLC (PJM) | 7.7 GWh | Sep 2011 | Dec 2024 | Landfill Gas |
| SunE CPS3 LLC | SunE CPS3 LLC | Somerset, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 7.2 GWh | Apr 2012 | Dec 2024 | Solar |
| Apple River | Northern States Power Co - Minnesota | Somerset, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.0 GWh | Dec 1900 | Dec 2024 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 3.3 GWh | Jun 1985 | Jun 2024 | Water |
| CoreSite - Somerville | Bloom Energy | Somerville, MA | ISO New England (ISNE) | 4.5 GWh | Aug 2020 | Dec 2024 | Natural Gas |
| Somerville Solar | Somerville Solar, LLC | Somerville, TN | Tennessee Valley Authority (TVA) | 3.2 GWh | Aug 2019 | Dec 2024 | Solar |
| Plote Somonauk | Solar DG IL 2, LLC | Somonauk, IL | PJM Interconnection, LLC (PJM) | 2.8 GWh | Apr 2024 | Dec 2024 | Solar |
| Somonauk Road Solar 1 | Somonauk Road Solar 1, LLC | Somonauk, IL | PJM Interconnection, LLC (PJM) | 4.3 GWh | Feb 2021 | Dec 2024 | Solar |
| Phoenix | Pacific Gas & Electric Co. | Sonora, CA | California Independent System Operator (CISO) | 8.0 GWh | Jan 1940 | Oct 2024 | Water |
| Okeelanta Cogeneration | New Hope Power Company | South Bay, FL | Florida Power & Light Co. (FPL) | 54.7 GWh | Dec 1995 | Nov 2025 | Agricultural By-Products : 97.8% Natural Gas : 2.2% |
| Notre Dame Hydro | University of Notre Dame | South Bend, IN | PJM Interconnection, LLC (PJM) | 6.8 GWh | Apr 2022 | Dec 2024 | Water |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.6 GWh | Jun 1986 | Dec 2024 | Water |
| Halifax County Biomass | South Boston Energy LLC | South Boston, VA | PJM Interconnection, LLC (PJM) | 351.6 GWh | Oct 2013 | Dec 2024 | Wood/Wood Waste Solids |
Summary of Power Plants By State
Figures are based on November 2025 generation numbers.| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,511.20 GWh |
| Alaska | # 48 | 144 | 528.08 GWh |
| Arizona | # 13 | 184 | 8,245.57 GWh |
| Arkansas | # 24 | 116 | 5,216.59 GWh |
| California | # 4 | 1,736 | 15,288.71 GWh |
| Colorado | # 29 | 302 | 4,252.83 GWh |
| Connecticut | # 34 | 166 | 3,697.17 GWh |
| Delaware | # 49 | 33 | 425.33 GWh |
| District of Columbia | # 51 | 16 | 14.43 GWh |
| Florida | # 2 | 323 | 18,667.27 GWh |
| Georgia | # 8 | 262 | 11,183.00 GWh |
| Hawaii | # 47 | 73 | 801.36 GWh |
| Idaho | # 43 | 146 | 1,663.41 GWh |
| Illinois | # 5 | 384 | 14,942.91 GWh |
| Indiana | # 15 | 211 | 7,722.21 GWh |
| Iowa | # 19 | 293 | 6,283.14 GWh |
| Kansas | # 32 | 187 | 4,136.03 GWh |
| Kentucky | # 21 | 60 | 5,370.35 GWh |
| Louisiana | # 12 | 86 | 8,259.66 GWh |
| Maine | # 45 | 216 | 1,300.62 GWh |
| Maryland | # 40 | 203 | 2,568.19 GWh |
| Massachusetts | # 41 | 648 | 1,975.71 GWh |
| Michigan | # 9 | 273 | 10,785.64 GWh |
| Minnesota | # 28 | 765 | 4,723.22 GWh |
| Mississippi | # 23 | 57 | 5,274.88 GWh |
| Missouri | # 22 | 128 | 5,368.91 GWh |
| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Montana | # 39 | 71 | 2,609.34 GWh |
| Nebraska | # 35 | 129 | 3,447.15 GWh |
| Nevada | # 38 | 114 | 3,066.88 GWh |
| New Hampshire | # 44 | 60 | 1,466.90 GWh |
| New Jersey | # 27 | 393 | 4,952.95 GWh |
| New Mexico | # 36 | 144 | 3,313.38 GWh |
| New York | # 10 | 956 | 10,414.21 GWh |
| North Carolina | # 11 | 909 | 9,927.17 GWh |
| North Dakota | # 33 | 61 | 3,714.56 GWh |
| Ohio | # 6 | 198 | 11,688.48 GWh |
| Oklahoma | # 18 | 143 | 6,525.64 GWh |
| Oregon | # 20 | 275 | 5,407.05 GWh |
| Pennsylvania | # 3 | 256 | 17,277.29 GWh |
| Rhode Island | # 46 | 100 | 833.56 GWh |
| South Carolina | # 16 | 208 | 7,560.03 GWh |
| South Dakota | # 42 | 52 | 1,785.37 GWh |
| Tennessee | # 26 | 88 | 5,030.87 GWh |
| Texas | # 1 | 955 | 43,514.30 GWh |
| Utah | # 37 | 125 | 3,174.08 GWh |
| Vermont | # 50 | 117 | 164.43 GWh |
| Virginia | # 17 | 239 | 7,087.47 GWh |
| Washington | # 14 | 137 | 7,966.23 GWh |
| West Virginia | # 31 | 39 | 4,211.99 GWh |
| Wisconsin | # 25 | 250 | 5,195.24 GWh |
| Wyoming | # 30 | 71 | 4,237.64 GWh |