Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Sigmon Catawba Farm | Strata Manager, LLC | Newton, NC | Duke Energy Carolinas (DUK) | 3.2 GWh | May 2014 | Dec 2024 | Solar |
| Signal Hill Generating LLC | Signal Hill Generating LLC | Wichita Falls, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.0 GWh | May 1987 | Nov 2024 | Natural Gas |
| Signal Hill West Unit | Signal Hill Petroleum, Inc | Signal Hill, CA | California Independent System Operator (CISO) | 38.4 GWh | Jun 2004 | Apr 2025 | Other Gas |
| Signature Breads Chelsea | JDC 65R Owner, LLC | Chelsea, MA | ISO New England (ISNE) | 2.0 MWh | Apr 2019 | Dec 2023 | Distillate Fuel Oil |
| Sigurd Solar LLC | Sigurd Solar LLC | Sigurd, UT | PacifiCorp East (PACE) | 203.0 GWh | Apr 2021 | Apr 2025 | Solar |
| Sikeston Power Station | City of Sikeston - (MO) | Sikeston, MO | Southwestern Power Administration (SPA) | 1.6 TWh | Aug 1981 | Apr 2025 | Subbituminous Coal : 99.9% |
| Sikorsky Aircraft CHP | Sikorsky Aircraft Corporation | Stratford, CT | ISO New England (ISNE) | 53.1 GWh | May 2010 | Dec 2024 | Natural Gas : 99.8% |
| Silas Ray | Brownsville Public Utilities Board | Brownsville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 103.4 GWh | Apr 1952 | Dec 2024 | Natural Gas |
| Siler 421 Farm, LLC | Heelstone Energy Holdings, LLC | Siler City, NC | Duke Energy Progress East (CPLE) | 9.6 GWh | Nov 2016 | Dec 2024 | Solar |
| Siler City Solar 2 | Siler City Solar 2, LLC | Siler City, NC | Duke Energy Progress East (CPLE) | 9.4 GWh | Sep 2018 | Dec 2024 | Solar |
| Silicon Valley Clean Water | Silicon Valley Clean Water | Redwood City, CA | California Independent System Operator (CISO) | 7.0 GWh | Feb 2015 | Dec 2024 | Other Biomass Gas : 71.4% Natural Gas : 28.6% |
| Silveira Ranch Road Solar | Silveira Ranch Road Solar | Novato, CA | California Independent System Operator (CISO) | 4.1 GWh | Feb 2021 | Dec 2024 | Solar |
| Silver City WWTP PV Project | Affordable Solar Silver City, LLC | Silver City, NM | Public Service Company of New Mexico (PNM) | 2.0 GWh | May 2013 | Dec 2024 | Solar |
| Silver Creek | Cooperative Energy | Prentiss, MS | Midcontinent Independent System Operator, Inc. (MISO) | 427.7 GWh | May 2003 | Dec 2024 | Natural Gas |
| Silver Lake Garden | Excelsior Energy Capital | Waseca, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Dec 2020 | Dec 2024 | Solar |
| Silver Lake Solar Farm | Public Service Elec & Gas Co | Edison, NJ | PJM Interconnection, LLC (PJM) | 2.5 GWh | Sep 2010 | Dec 2024 | Solar |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 805.0 MWh | Nov 2010 | Dec 2024 | Solar |
| Silver Lake Solar WI, LLC | Wisconsin Electric Power Co | Salem, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2023 | May 2024 | Solar |
| Silver Lake (VT) | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 4.6 GWh | Jan 1917 | Dec 2024 | Water |
| Silver Maple | WEB Silver Maple Wind LLC | Clifton, ME | ISO New England (ISNE) | 58.7 GWh | Sep 2022 | Dec 2024 | Wind |
| Silver Palm | Florida Power & Light Co | TBD, FL | Florida Power & Light Co. (FPL) | 159.2 GWh | Dec 2023 | Apr 2025 | Solar |
| Silver Sage Windpower | Duke Energy Renewables Services | Cheyenne, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 113.9 GWh | Sep 2009 | Apr 2025 | Wind |
| Silver Star I Wind Power Project | Silver Star I Power Partners LLC | Dublin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 200.5 GWh | Aug 2008 | Dec 2024 | Wind |
| Silver State Solar Power North | Silver State Solar Power North, LLC | Primm, NV | Nevada Power Company (NEVP) | 115.1 GWh | Apr 2012 | Apr 2025 | Solar |
| Silver State Solar Power South | Silver State Solar Power South, LLC | Primm Valley, NV | California Independent System Operator (CISO) | 647.2 GWh | Oct 2015 | Apr 2025 | Solar |
| Silverhawk | Nevada Power Co | North Las Vegas, NV | Nevada Power Company (NEVP) | 2.9 TWh | Apr 2004 | Apr 2025 | Natural Gas |
| Silverton Solar | Silverton Solar, LLC | Silverton, OR | Portland General Electric Company (PGE) | 12.0 MWh | Nov 2017 | Dec 2024 | Solar |
| Silvi Gibraltar Rock | CVI CleanCapital Solar 5 LLC | Belle Mead, NJ | PJM Interconnection, LLC (PJM) | 2.7 GWh | Sep 2016 | Dec 2023 | Solar |
| Silvis | Ketchikan Public Utilities | Ketchikan, AK | 2.8 GWh | Dec 1967 | Dec 2024 | Water | |
| Sim Gideon | Lower Colorado River Authority | Bastrop, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.2 TWh | Apr 1965 | Dec 2023 | Natural Gas |
| Simcoe Solar | Simcoe Solar | Mountain Home, ID | Idaho Power Company (IPCO) | 47.9 GWh | Feb 2017 | Apr 2025 | 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 |
| Simons Farm | Cypress Creek Renewables | Ahoskie, NC | PJM Interconnection, LLC (PJM) | 9.7 GWh | Dec 2015 | Dec 2024 | Solar |
| Simplot Leasing Don Plant | Simplot Leasing Corp | Pocatello, ID | Idaho Power Company (IPCO) | 70.8 GWh | Jan 1986 | Apr 2025 | Waste Heat |
| Simplot Phosphates | Simplot Phosphates LLC | Rock Springs, WY | PacifiCorp East (PACE) | 98.4 GWh | Jul 1986 | Apr 2025 | Other Fuel : 90.9% Natural Gas : 9.1% |
| Sinclair Dam | Georgia Power Co | Milledgeville, GA | Southern Company Services, Inc. - Trans (SOCO) | 102.9 GWh | Jan 1953 | Dec 2024 | Water |
| Sinclair Oil Refinery | HF Sinclair Parco Refining LLC | Sinclair, WY | PacifiCorp East (PACE) | 7.8 GWh | Dec 1924 | Apr 2025 | Natural Gas |
| Sioux | Union Electric Co - (MO) | West Alton, MO | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 TWh | Apr 1967 | Apr 2025 | Subbituminous Coal : 76.3% Bituminous Coal : 23.6% |
| Siphon Drop Power Plant | Yuma County Water User's Association | Winterhaven, CA | Western Area Power Administration - Desert Southwest Region (WALC) | 11.6 GWh | Aug 1987 | Dec 2024 | Water |
| Siphon Power Project | Central Oregon Irrigation Dist | Bend, OR | PacifiCorp West (PACW) | 15.6 GWh | Jul 1989 | Dec 2024 | Water |
| Sissonville Hydro | Boralex Hydro Operations Inc | Potsdam, NY | New York Independent System Operator (NYIS) | 15.7 GWh | Jun 1990 | Dec 2024 | Water |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1985 | Jul 2024 | Water |
| Sithe Independence Station | Sithe/Independence LLC | Oswego, NY | New York Independent System Operator (NYIS) | 6.3 TWh | Jul 1994 | Apr 2025 | Natural Gas |
| SIUC | Southern Illinois University Carbondale | Carbondale, IL | Midcontinent Independent System Operator, Inc. (MISO) | 7.2 GWh | May 1998 | Apr 2025 | Bituminous Coal |
| SJ/SC WPCP | San Jose/Santa Clara Water P C | San Jose, CA | California Independent System Operator (CISO) | 83.7 GWh | Jan 1953 | Apr 2025 | Other Biomass Gas : 50.1% Natural Gas : 49.8% |
| SJA Solar LLC-Solterra Monastery CSG | SJA Solar, LLC | Spencer, MA | ISO New England (ISNE) | 27.3 GWh | Nov 2016 | Dec 2024 | Solar |
| SJRR Power LLC | SJRR | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 146.6 GWh | May 2022 | Dec 2024 | Natural Gas |
| Skagway | Alaska Power and Telephone Co | Skagway, AK | 4.3 GWh | Jun 1909 | Dec 2024 | Water : 56.0% Distillate Fuel Oil : 44.0% | |
| Skalbeck Solar | Cascade Solar LLC | Sacred Heart, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.4 GWh | Oct 2022 | Dec 2024 | Solar |
| Skeleton Creek Energy Center Hybrid | Skeleton Creek Energy Center | Carrier, OK | Southwest Power Pool (SWPP) | 888.4 GWh | Nov 2020 | Apr 2025 | Wind |
| Skelton | Brookfield White Pine Hydro LLC | Dayton, ME | ISO New England (ISNE) | 57.6 GWh | Dec 1947 | Dec 2024 | Water |
| Skidmore College | Terraform Arcadia | Saratoga Springs, NY | New York Independent System Operator (NYIS) | 2.2 GWh | Jun 2014 | Dec 2024 | Solar |
| Skillman | Johnson & Johnson Consumer Inc | Skillman, NJ | PJM Interconnection, LLC (PJM) | 429.0 MWh | Feb 2011 | Dec 2024 | Solar |
| Skipjack Solar Center | AES Distributed Energy | Wayside, VA | PJM Interconnection, LLC (PJM) | 336.6 GWh | Apr 2022 | Apr 2025 | Solar |
| Skookumchuck | TransAlta Centralia Gen LLC | Tenino, WA | Bonneville Power Administration (BPAT) | 3.2 GWh | Aug 1990 | Dec 2023 | Water |
| Skookumchuck Wind Facility | Southern Power Co | Rainier, WA | Puget Sound Energy, Inc. (PSEI) | 400.6 GWh | Oct 2020 | Apr 2025 | Wind |
| Sky Global Power One | Sky Global Power One Pledgor, LLC | Rock Island, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 79.7 GWh | Apr 2016 | Dec 2024 | Natural Gas |
| Sky Ranch Solar | Sky Ranch Solar and Storage | Belen, NM | Public Service Company of New Mexico (PNM) | 495.3 GWh | Mar 2024 | Apr 2025 | Solar |
| Sky River Wind Energy Center | Sky River Wind LLC | Tehachapi, CA | California Independent System Operator (CISO) | 245.0 GWh | Jan 1991 | Dec 2024 | Wind |
| Sky Volt | Sky Volt, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Jul 2012 | Dec 2024 | Wind |
| Skylark | SR Clinch, LLC | Severance, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 9.1 GWh | Nov 2015 | Dec 2024 | Solar |
| Skysol | Skysol Holdco LLC | Merrill, OR | PacifiCorp West (PACW) | 118.0 GWh | Nov 2023 | Apr 2025 | Solar |
| Skyway Avenue Solar Farm | REA Investments, LLC | Frenchville, ME | ISO New England (ISNE) | 1.5 GWh | Feb 2024 | Oct 2024 | Solar |
| SL Babylon | SL Babylon, LLC | West Babylon, NY | New York Independent System Operator (NYIS) | 13.6 GWh | Nov 2017 | Dec 2024 | Solar |
| Slana Generating Station | Alaska Power and Telephone Co | Slana, AK | (NA) | 1.4 GWh | Dec 2015 | Dec 2024 | Distillate Fuel Oil |
| Slate Creek | Central Rivers Power US, LLC | Lakehead, CA | PacifiCorp West (PACW) | 7.3 GWh | Apr 1990 | Dec 2024 | Water |
| Slate Creek Wind Project LLC | EDF Renewable Asset Holdings, Inc. | Geuda Springs, KS | Southwest Power Pool (SWPP) | 510.9 GWh | Nov 2015 | Dec 2024 | Wind |
| Slate Hill(CSG) | Slate Hill Solar LLC | Johnson, NY | New York Independent System Operator (NYIS) | 3.7 GWh | Oct 2021 | Dec 2024 | Solar |
| Slate Hybrid | MN8 Energy LLC | Stratford, CA | California Independent System Operator (CISO) | 700.2 GWh | Oct 2021 | Apr 2025 | Solar |
| Slayton Settlement Road Solar CSG | RPNY Solar 3, LLC | Lockport, NY | New York Independent System Operator (NYIS) | 8.8 GWh | Jan 2024 | Dec 2024 | Solar |
| Slayton Solar | Ecos Energy LLC | Slayton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Dec 2012 | Dec 2024 | Solar |
| Sleeping Bear LLC | NRG Energy Gas & Wind Holdings Inc | Woodward, OK | Southwest Power Pool (SWPP) | 63.3 GWh | Sep 2007 | Dec 2024 | Wind |
| 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 |
| Slide Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 62.8 GWh | Jun 1951 | Dec 2024 | Water |
| Slidematic at Rockford | Luminace Solar Illinois 2, LLC | Rockford, IL | PJM Interconnection, LLC (PJM) | 3.3 GWh | Feb 2022 | Dec 2024 | Solar |
| Sly Creek | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 30.9 GWh | Jun 1983 | Dec 2024 | Water |
| Small Mouth Bass Solar | Small Mouth Bass Solar Partners LLC | Rockbridge Baths, VA | PJM Interconnection, LLC (PJM) | 3.8 GWh | Jul 2024 | Dec 2024 | Solar |
| Smarr Energy Center | Oglethorpe Power Corporation | Forsyth, GA | Southern Company Services, Inc. - Trans (SOCO) | 202.0 GWh | May 1999 | Dec 2024 | Natural Gas |
| Smith College Central Heating Plant | The Trustees of Smith College | Northampton, MA | ISO New England (ISNE) | 14.2 GWh | Sep 2008 | Dec 2024 | Natural Gas |
| Smith Creek | LSE Pisces LLC | Nichols, NY | New York Independent System Operator (NYIS) | 6.2 GWh | Mar 2021 | Dec 2024 | Solar |
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | Bonners Ferry, ID | Bonneville Power Administration (BPAT) | 83.0 GWh | Nov 1989 | Nov 2024 | Water |
| Smith Island | A & N Electric Coop | Ewell, MD | PJM Interconnection, LLC (PJM) | 102.0 MWh | Nov 1969 | Dec 2024 | Distillate Fuel Oil |
| Smith (NH) | Central Rivers Power NH, LLC | Berlin, NH | ISO New England (ISNE) | 112.2 GWh | Jul 1948 | Dec 2024 | Water |
| Smith Solar Farm | Strata Manager, LLC | Gibson, NC | Duke Energy Progress East (CPLE) | 10.6 GWh | Jun 2019 | Dec 2024 | Solar |
| Smith (VT) | Green Mountain Power Corp | Bradford, VT | ISO New England (ISNE) | 1.6 GWh | Nov 1982 | Dec 2024 | Water |
| Smith & Wesson at Springfield MA PV | Luminace Solar Massachusetts, LLC | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Jun 2017 | Dec 2024 | Solar |
| Smithfield 1 | Greenbacker Renewable Energy Corporation | Milford, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 8.5 GWh | Mar 2024 | Dec 2024 | Solar |
| Smithfield 3 | Greenbacker Renewable Energy Corporation | Milford, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 5.5 GWh | Jun 2023 | Dec 2024 | Solar |
| Smithfield Farmland Corp Bladen | Smithfield Fresh Meats Corp. | Tar Heel, NC | Duke Energy Progress East (CPLE) | 132.0 MWh | Sep 1993 | Nov 2024 | Distillate Fuel Oil |
| Smithfield Packaged Meats Corp. | Smithfield Packaged Meats Corp | Kinston, NC | Duke Energy Progress East (CPLE) | 1.2 GWh | Oct 2013 | Dec 2024 | Distillate Fuel Oil |
| Smithfield Packaged Meats Corp. | Smithfield Packaged Meats Corp. | Wilson, NC | Duke Energy Progress East (CPLE) | 298.0 MWh | Jan 2002 | Dec 2024 | Distillate Fuel Oil |
| Smithfield Solar Farm, LLC | Smithfield Solar Farm | Smithfield, RI | ISO New England (ISNE) | 4.4 GWh | Jun 2020 | Dec 2023 | Solar |
| Smithland Hydroelectric Plant | American Mun Power-Ohio, Inc | Smithland, KY | Midcontinent Independent System Operator, Inc. (MISO) | 340.8 GWh | Jun 2017 | Apr 2025 | Water |
| SMMPA Methane Energy Facility | Southern Minnesota Mun P Agny | Mora, MN | Midcontinent Independent System Operator, Inc. (MISO) | 366.0 MWh | Mar 2012 | Dec 2024 | Landfill Gas |
| Smoky Hills Wind Project Phase I | Smoky Hills Wind Farm I LLC | Lincoln, KS | Southwest Power Pool (SWPP) | 250.8 GWh | Dec 2007 | Dec 2024 | Wind |
| Smoky Hills Wind Project Phase II | Smoky Hills Wind Project II LLC | Lincoln, KS | Southwest Power Pool (SWPP) | 414.3 GWh | Oct 2008 | Dec 2024 | Wind |
| SMPA Solar 1 Community Solar | San Miguel Power Assn, Inc | Bedrock, CO | Public Service Company of Colorado (PSCO) | 1.8 GWh | Nov 2012 | Dec 2023 | Solar |
| SMUD at Fleshman | Sacramento PV Energy, LLC | Galt, CA | Balancing Authority of Northern California (BANC) | 5.0 GWh | Nov 2011 | Dec 2024 | Solar |
| SMUD at Grundman | Sacramento PV Energy, LLC | Elk Grove, CA | Balancing Authority of Northern California (BANC) | 29.4 GWh | Nov 2011 | Dec 2024 | Solar |
| SMUD at Lawrence | Sacramento PV Energy, LLC | Elk Grove, CA | Balancing Authority of Northern California (BANC) | 1.6 GWh | Nov 2011 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on April 2025 generation numbers.| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,243.20 GWh |
| Alaska | # 48 | 142 | 476.79 GWh |
| Arizona | # 15 | 173 | 7,447.02 GWh |
| Arkansas | # 31 | 99 | 3,937.58 GWh |
| California | # 4 | 1,664 | 15,684.45 GWh |
| Colorado | # 28 | 290 | 4,479.29 GWh |
| Connecticut | # 37 | 162 | 2,832.47 GWh |
| Delaware | # 49 | 32 | 450.59 GWh |
| District of Columbia | # 51 | 16 | 13.07 GWh |
| Florida | # 2 | 317 | 20,430.69 GWh |
| Georgia | # 6 | 248 | 11,378.75 GWh |
| Hawaii | # 46 | 68 | 750.53 GWh |
| Idaho | # 44 | 145 | 1,489.98 GWh |
| Illinois | # 5 | 358 | 14,828.23 GWh |
| Indiana | # 14 | 208 | 7,809.31 GWh |
| Iowa | # 19 | 294 | 6,020.16 GWh |
| Kansas | # 21 | 180 | 5,162.37 GWh |
| Kentucky | # 25 | 57 | 4,785.23 GWh |
| Louisiana | # 16 | 83 | 7,414.75 GWh |
| Maine | # 45 | 208 | 1,052.11 GWh |
| Maryland | # 36 | 196 | 3,016.71 GWh |
| Massachusetts | # 43 | 623 | 1,491.61 GWh |
| Michigan | # 9 | 269 | 9,486.98 GWh |
| Minnesota | # 27 | 765 | 4,502.46 GWh |
| Mississippi | # 20 | 56 | 5,727.48 GWh |
| Missouri | # 23 | 120 | 5,119.33 GWh |
| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,029.46 GWh |
| Nebraska | # 38 | 127 | 2,575.70 GWh |
| Nevada | # 33 | 110 | 3,434.99 GWh |
| New Hampshire | # 42 | 56 | 1,516.23 GWh |
| New Jersey | # 22 | 385 | 5,160.42 GWh |
| New Mexico | # 32 | 139 | 3,447.34 GWh |
| New York | # 8 | 930 | 9,830.59 GWh |
| North Carolina | # 10 | 909 | 9,044.94 GWh |
| North Dakota | # 35 | 57 | 3,134.93 GWh |
| Ohio | # 12 | 197 | 8,321.20 GWh |
| Oklahoma | # 18 | 136 | 6,341.82 GWh |
| Oregon | # 24 | 272 | 4,888.92 GWh |
| Pennsylvania | # 3 | 255 | 17,282.62 GWh |
| Rhode Island | # 47 | 97 | 690.36 GWh |
| South Carolina | # 11 | 200 | 8,436.34 GWh |
| South Dakota | # 41 | 52 | 1,909.63 GWh |
| Tennessee | # 26 | 86 | 4,565.37 GWh |
| Texas | # 1 | 885 | 43,683.73 GWh |
| Utah | # 39 | 122 | 2,192.68 GWh |
| Vermont | # 50 | 117 | 200.11 GWh |
| Virginia | # 17 | 233 | 6,991.48 GWh |
| Washington | # 13 | 134 | 8,268.23 GWh |
| West Virginia | # 30 | 39 | 3,969.31 GWh |
| Wisconsin | # 29 | 244 | 4,163.43 GWh |
| Wyoming | # 34 | 73 | 3,236.34 GWh |