| Story City | City of Story City - (IA) | Story City, IA | 315 MWh | Dec 1963 | Dec 2025 |
Distillate Fuel Oil : 87.0%
Natural Gas : 13.0%
|
| Storm Lake II | ALLETE Clean Energy | Alta, IA | 115 GWh | Mar 1999 | Dec 2025 |
Wind
|
| Storm Lake 1 | ALLETE Clean Energy | Alta, IA | 87 GWh | Apr 1999 | Dec 2025 |
Wind
|
| Stoney Corners Wind Farm | DTE Sustainable Generation | McBain, MI | 125 GWh | Nov 2009 | Dec 2025 |
Wind
|
| Stoneray Power Partners, LLC | EDF Renewable Asset Holdings, Inc. | Woodstock, MN | 363 GWh | Jan 2019 | May 2026 |
Wind
|
| Stoneheart Solar, LLC | Stoneheart Solar, LLC | Saginaw, MI | 4 GWh | Nov 2020 | Dec 2025 |
Solar
|
| Stockton (MN) | Altus Power America Management, LLC | Winona, MN | 4 GWh | Oct 2021 | Dec 2025 |
Solar
|
| Stiles | Oconto Electric Cooperative | Oconto Falls, WI | 5 GWh | Feb 1949 | Dec 2025 |
Water
|
| Stewart CSG1, LLC | Nautilus Solar Solutions | Stewart, MN | 2 GWh | Jul 2021 | Dec 2025 |
Solar
|
| Stevens Point Mill | Pixelle Specialty Solution, LLC | Stevens Point, WI | 14 GWh | Jan 2002 | Dec 2025 |
Natural Gas
|
| Stevens Point | Consolidated Water Power Co | Stevens Point, WI | 26 GWh | Dec 1917 | Dec 2025 |
Water
|
| Stevens Community Solar LLC | Madison Energy Holdings LLC | Foley, MN | 2 GWh | Sep 2020 | Dec 2025 |
Solar
|
| Sterlington Solar | Entergy Louisiana LLC | Sterlington, LA | 37 GWh | - | May 2026 |
Solar
|
| Stearns Solar I | Stearns Solar I LLC | Albany, MN | 2 GWh | Aug 2019 | Dec 2025 |
Solar
|
| Stearns Community Solar One LLC CSG | Madison Energy Holdings LLC | Albany, MN | 2 GWh | Nov 2019 | Dec 2025 |
Solar
|
| Staunton | Cypress Creek Renewables | Brazil, IN | 6 GWh | Nov 2018 | Dec 2025 |
Solar
|
| State Farm | State Farm Insurance | Bloomington, IL | 30 MWh | Sep 1996 | May 2026 |
Distillate Fuel Oil
|
| State Center | City of State Center - (IA) | State Center, IA | 153 MWh | Jul 1972 | Dec 2025 |
Distillate Fuel Oil : 72.4%
Natural Gas : 27.6%
|
| Star Garden | Star Garden LLC | Starbuck, MN | 2 GWh | Jan 2020 | Dec 2025 |
Solar
|
| Star City School District | Today's Power, Inc. | Star City, AR | 2 GWh | Aug 2021 | Dec 2025 |
Solar
|
| Stahl Wind Energy | Stahl Wind Energy, LLC (Longroad) | Pipestone, MN | 2 GWh | Nov 2004 | Dec 2025 |
Wind
|
| STAG St. Paul Project CSG | STAG St. Paul Community Solar LLC | Saint Paul, MN | 1 GWh | Dec 2019 | Dec 2025 |
Solar
|
| St. Paul Intl Airport Red & Blue Parking | Metropolitan Airports Commission | St. Paul, MN | 2 GWh | Nov 2015 | May 2026 |
Solar
|
| St Paul Cogeneration | St Paul Cogeneration LLC | St. Paul, MN | 75 GWh | Mar 2003 | Dec 2025 |
Wood/Wood Waste Solids : 82.4%
Natural Gas : 17.6%
|
| St. Olaf Wind Turbine | St. Olaf College | Northfield, MN | 2 GWh | Aug 2006 | Dec 2025 |
Wind
|
| St. Olaf StandBy Generators | St. Olaf College | Northfield, MN | 116 MWh | May 1999 | Dec 2025 |
Distillate Fuel Oil
|
| St. Mary Clean Energy Center | Cleco Power LLC | Centerville, LA | 181 GWh | Jul 2019 | Dec 2025 |
Waste Heat
|
| St Louis | City of St Louis - (MI) | St. Louis, MI | 8 MWh | Dec 1918 | Dec 2025 |
Distillate Fuel Oil
|
| St. James Solar (LA) | St. James Solar, LLC | Vacherie, LA | 50 GWh | Jan 2023 | Dec 2025 |
Solar
|
| St James | City of St James - (MN) | St James, MN | 93 MWh | Jun 2002 | Dec 2025 |
Distillate Fuel Oil
|
| St Francisville Mill | Hood Container of Louisiana, LLC | St. Francisville, LA | 110 GWh | Feb 1966 | Dec 2024 |
Black Liquor : 58.6%
Natural Gas : 41.4%
|
| St Croix Falls | Northern States Power Co - Minnesota | St Croix Falls, WI | 80 GWh | Dec 1909 | Dec 2025 |
Water
|
| St. Cloud Solar CSG | Geronimo Power | St. Cloud, MN | 8 GWh | Mar 2018 | Dec 2025 |
Solar
|
| St. Cloud Hydro | St. Cloud Hydroelectric Generation Facility | St Cloud, MN | 46 GWh | May 1988 | Dec 2025 |
Water
|
| St. Clair Solar 5 | Pivot Energy | Lebanon, IL | 2 GWh | Jun 2025 | Dec 2025 |
Solar
|
| St. Clair Solar 3 | Pivot Energy | Washington Park, IL | 4 GWh | May 2024 | Dec 2025 |
Solar
|
| St Clair | DTE Electric Company | East China Twp, MI | 7 GWh | Jul 1953 | May 2026 |
Distillate Fuel Oil : 52.4%
Natural Gas : 47.6%
|
| St. Charles Solar | Green Street Power Partners | St Charles Township, MN | 3 GWh | Aug 2019 | Dec 2025 |
Solar
|
| St. Charles Power Station (LA) | Entergy Louisiana LLC | La Place, LA | 5 TWh | Apr 2019 | May 2026 |
Natural Gas
|
| St. Charles Power Plant | City of St Charles - (MN) | St. Charles, MN | 75 MWh | Nov 2004 | Dec 2025 |
Distillate Fuel Oil
|
| St Bonifacius | Great River Energy | St. Bonifacius, MN | 3 GWh | May 1978 | Dec 2025 |
Distillate Fuel Oil
|
| Spruce Ridge Gas Recovery | WM Renewable Energy LLC | Glencoe, MN | 25 GWh | Mar 2008 | Dec 2025 |
Landfill Gas
|
| Springfield Solar (WI) | Wisconsin Power & Light Co | Lomira, WI | 206 GWh | Nov 2023 | May 2026 |
Solar
|
| Springfield (MN) | Springfield Public Utils Comm - (MN) | Springfield, MN | 15 MWh | May 1994 | Dec 2025 |
Distillate Fuel Oil
|
| Spring Valley | Spring Valley Pub Utils Comm | Spring Valley, MN | 227 MWh | Dec 1951 | Dec 2025 |
Distillate Fuel Oil : 82.2%
Natural Gas : 17.8%
|
| Spring Prairie Solar WI, LLC | Wisconsin Electric Power Co | Burlington, WI | 13 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Spring Prairie Solar LLC CSG | United States Solar Corporation | Glyndon, MN | 2 GWh | Apr 2024 | Dec 2025 |
Solar
|
| Spring Mill Solar RES | Hoosier Energy R E C, Inc | Mitchell, IN | 1 GWh | Aug 2017 | Dec 2025 |
Solar
|
| Spring Brook Solar WI, LLC | Wisconsin Electric Power Co | Whitewater, WI | 630 MWh | Sep 2025 | Dec 2025 |
Solar
|
| Spooner Solar Array | Onsite Partners, LLC | Spooner, WI | 4 GWh | May 2019 | Dec 2024 |
Solar
|
| Split Rail Solar Energy LLC | Invenergy Services LLC | Warrenton, MO | 102 GWh | - | May 2026 |
Solar
|
| Spiritwood Station | Great River Energy | Spiritwood, ND | 213 GWh | Oct 2014 | May 2026 |
Natural Gas : 58.1%
Refined Coal : 41.9%
|
| Spica Community Solar | Spica Community Solar | Lake Lillian, MN | 3 GWh | Jul 2017 | Dec 2025 |
Solar
|
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | 86 MWh | Dec 1969 | Dec 2025 |
Kerosene
|
| Speedway Solar, LLC | Speedway Solar, LLC | Morrison Town, IN | 379 GWh | May 2025 | May 2026 |
Solar
|
| Spartan PV 1, LLC | NJR Clean Energy Ventures Corporation | East Lansing, MI | 12 GWh | Nov 2017 | Dec 2024 |
Solar
|
| Spartan Hills LLC | CHI Operations Inc | Lake Benton, MN | 5 GWh | Dec 2000 | Dec 2024 |
Wind
|
| Southwestern Bell Telephone | AT&T | St. Louis, MO | 105 MWh | Jan 1992 | Apr 2026 |
Distillate Fuel Oil
|
| Southside SD | Entegrity Solar Southside SD, LLC | Little Rock, AR | 2 GWh | May 2023 | Dec 2024 |
Solar
|
| Southern Minnesota Beet Sugar | Southern Minnesota Beet Sugar | Renville, MN | 28 GWh | Aug 1976 | May 2026 |
Subbituminous Coal : 70.1%
Natural Gas : 29.2%
Residual Fuel Oil : 0.6%
|
| Southern Hills Wind Farm | MidAmerican Energy Co | Creston, IA | 808 GWh | Feb 2021 | May 2026 |
Wind
|
| South Strawberry | City of Strawberry Point -(IA) | Strawberry Point, IA | 13 MWh | Dec 2001 | Dec 2024 |
Distillate Fuel Oil
|
| South Plant (IA) | Waverly Municipal Elec Utility - (IA) | Waverly, IA | 71 MWh | Apr 2000 | Dec 2025 |
Distillate Fuel Oil
|
| South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | 2 TWh | Nov 1959 | May 2026 |
Subbituminous Coal : 99.5%
|
| South Generation | Redwood Falls Public Util Comm | Redwood Falls, MN | 281 MWh | Feb 2003 | Dec 2025 |
Distillate Fuel Oil
|
| South Garden | South Garden LLC | Winstead, MN | 2 GWh | Jun 2023 | Dec 2025 |
Solar
|
| South Fork Wind Farm | South Fork Wind, LLC | Round Lake, MN | 54 GWh | Nov 2016 | Dec 2025 |
Wind
|
| South Fond Du Lac | Wisconsin Power & Light Co | Fond du Lac, WI | 20 GWh | Apr 1993 | Dec 2025 |
Natural Gas : 99.8%
|
| South Central Electric Cooperative | Today's Power, Inc. | Arkadelphia, AR | 2 GWh | Jul 2019 | Dec 2025 |
Solar
|
| South Belleville Solar, LLC | Dimension Energy LLC | Smithton Township, IL | 385 MWh | Oct 2025 | Dec 2025 |
Solar
|
| Solway CT | Otter Tail Power Co | Solway, MN | 143 GWh | Apr 2003 | Dec 2025 |
Natural Gas : 99.5%
|
| Soliloquoy Ridge LLC | CHI Operations Inc | Lake Benton, MN | 5 GWh | Dec 2000 | Dec 2024 |
Wind
|
| SolarClub 35 LLC | Nautilus Solar Solutions | Mankato, MN | 2 GWh | Nov 2020 | Dec 2025 |
Solar
|
| SolarClub 30 (CSG) | Nautilus Solar Solutions | Eden Valley, MN | 2 GWh | Dec 2023 | Dec 2025 |
Solar
|
| SolarClub 28 LLC | Nautilus Solar Solutions | Gaylord, MN | 2 GWh | Nov 2020 | Dec 2025 |
Solar
|
| SolarClub 23 LLC | Nautilus Solar Solutions | La Crescent, MN | 2 GWh | Nov 2020 | Dec 2025 |
Solar
|
| SolarClub 20 LLC | Nautilus Solar Solutions | Wabasha, MN | 2 GWh | Nov 2020 | Dec 2025 |
Solar
|
| SolarClub 15 LLC | Nautilus Solar Solutions | Clear Lake, MN | 2 GWh | Nov 2020 | Dec 2025 |
Solar
|
| SolarClub 10 LLC | Nautilus Solar Solutions | Monticello, MN | 2 GWh | Nov 2020 | Dec 2025 |
Solar
|
| SolarClub 03 | Nautilus Solar Solutions | Starbuck, MN | 2 GWh | Aug 2023 | Dec 2025 |
Solar
|
| Solar Star Urbana Landfill East | Solar Star Urbana Landfill East, LLC | Urbana, IL | 4 GWh | Sep 2021 | Dec 2025 |
Solar
|
| Solar Star Urbana Landfill Central | Solar Star Urbana Landfill Central, LLC | Urbana, IL | 4 GWh | Oct 2021 | Dec 2025 |
Solar
|
| Sobania Community Solar LLC | Madison Energy Holdings LLC | Clear Lake, MN | 2 GWh | Aug 2020 | Dec 2025 |
Solar
|
| SMMPA Methane Energy Facility | Southern Minnesota Mun P Agny | Mora, MN | 3 GWh | Mar 2012 | Dec 2025 |
Landfill Gas
|
| Smithland Hydroelectric Plant | American Mun Power-Ohio, Inc | Smithland, KY | 421 GWh | Jun 2017 | May 2026 |
Water
|
| Sleepy Eye | Sleepy Eye Public Utility Comm | Sleepy Eye, MN | 131 MWh | Jun 1995 | Dec 2024 |
Distillate Fuel Oil
|
| Slayton Solar | Ecos Energy LLC | Slayton, MN | 2 GWh | Dec 2012 | Dec 2025 |
Solar
|
| Sky Volt | Sky Volt, LLC | Greenfield, IA | 5 GWh | Jul 2012 | Dec 2025 |
Wind
|
| Skalbeck Solar | Cascade Solar LLC | Sacred Heart, MN | 2 GWh | Oct 2022 | Dec 2025 |
Solar
|
| SIUC | Southern Illinois University Carbondale | Carbondale, IL | 9 GWh | May 1998 | May 2026 |
Bituminous Coal
|
| Sioux | Union Electric Co - (MO) | West Alton, MO | 4 TWh | Apr 1967 | May 2026 |
Subbituminous Coal : 78.0%
Bituminous Coal : 21.9%
|
| Silver Lake Solar WI, LLC | Wisconsin Electric Power Co | Salem, WI | 9 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Silver Lake Garden | Excelsior Energy Capital | Waseca, MN | 2 GWh | Dec 2020 | Dec 2025 |
Solar
|
| Silver Creek | Cooperative Energy | Prentiss, MS | 282 GWh | May 2003 | Dec 2025 |
Natural Gas
|
| Sigel Wind Park | DTE Electric Company | Harbor Beach, MI | 246 GWh | Nov 2012 | May 2026 |
Wind
|
| Siems Solar Project CSG | Siems Community Solar LLC | Mazeppa, MN | 2 GWh | Jul 2020 | Dec 2025 |
Solar
|
| Sidney A Murray Jr Hydroelectric | First National Bank-Commerce | Vidalia, LA | 989 GWh | Apr 1990 | Dec 2025 |
Water
|
| Sibley One | City of Sibley - (IA) | Sibley, IA | 174 MWh | Aug 1971 | Dec 2025 |
Distillate Fuel Oil : 65.0%
Natural Gas : 35.0%
|
| Sibley No Two | City of Sibley - (IA) | Sibley, IA | 37 MWh | Nov 1987 | Dec 2025 |
Natural Gas : 90.9%
Distillate Fuel Oil : 9.1%
|
| Shirley Wind | Duke Energy Renewables Services | Denmark, WI | 57 GWh | Oct 2010 | Dec 2025 |
Wind
|