Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Limelight Solar I, LLC | Limelight Solar I, LLC | Spartanburg, SC | Duke Energy Carolinas (DUK) | 3.3 GWh | Apr 2022 | Dec 2024 | Solar |
| Spearfish Hydro | City of Spearfish | Spearfish, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.9 GWh | Sep 1912 | Dec 2024 | Water |
| Great Plains Windpark LLC | Great Plains Windpark Legacy LLC | Spearman, TX | Southwest Power Pool (SWPP) | 107.1 GWh | Dec 2008 | Dec 2024 | Wind |
| Spearville 3 LLC | EDF Renewable Asset Holdings, Inc. | Spearville, KS | Southwest Power Pool (SWPP) | 170.4 GWh | Sep 2012 | Dec 2024 | Wind |
| Ironwood Wind | Duke Energy Renewables Services | Spearville, KS | Southwest Power Pool (SWPP) | 251.7 GWh | Jul 2012 | Dec 2024 | Wind |
| Western Plains Wind Farm | Evergy Kansas Central, Inc | Spearville, KS | Southwest Power Pool (SWPP) | 1.0 TWh | Feb 2017 | Dec 2025 | Wind |
| Upland Prairie | Interstate Power and Light Co | Spencer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Feb 2019 | Dec 2025 | Wind |
| Earl F Wisdom | Corn Belt Power Coop | Spencer, IA | Southwest Power Pool (SWPP) | 7.1 GWh | Mar 1960 | Dec 2024 | Natural Gas : 95.6% Distillate Fuel Oil : 4.4% |
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 651.0 MWh | Dec 1969 | Dec 2024 | Kerosene |
| Spencer Solar MA | Citizens Enterprises Corporation | Spencer, MA | ISO New England (ISNE) | 3.6 GWh | Feb 2020 | Dec 2024 | Solar |
| ZPD-PT Solar Project 2017-044 LLC CSG | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 1.3 GWh | Sep 2021 | Dec 2024 | Solar |
| Blair Wire Village Solar, LLC CSG | 38 Degrees North, LLC | Spencer, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2017 | Dec 2024 | Solar |
| Woodchuck Solar, LLC CSG | 38 Degrees North, LLC | Spencer, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2017 | Dec 2024 | Solar |
| Cycz Solar Project CSG Hybrid | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 2.9 GWh | May 2020 | Dec 2024 | Solar |
| SJA Solar LLC-Solterra Monastery CSG | SJA Solar, LLC | Spencer, MA | ISO New England (ISNE) | 27.3 GWh | Nov 2016 | Dec 2024 | Solar |
| Wilson Solar (MA) | Consolidated Edison Solutions Inc. | Spencer, MA | ISO New England (ISNE) | 1.6 GWh | May 2013 | Dec 2024 | Solar |
| Pasto Solar | Altus Power America Management, LLC | Spencer, NY | New York Independent System Operator (NYIS) | 23.3 GWh | Sep 2019 | Dec 2024 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Apr 2022 | Dec 2024 | Solar |
| Spiritwood Station | Great River Energy | Spiritwood, ND | Midcontinent Independent System Operator, Inc. (MISO) | 185.9 GWh | Oct 2014 | Dec 2025 | Natural Gas : 51.7% Refined Coal : 48.3% |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 89.9 GWh | Nov 1992 | Dec 2024 | Water |
| Upriver Dam Hydro Plant | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 48.4 GWh | Dec 1935 | Dec 2024 | Water |
| Boulder Park | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 99.0 GWh | Apr 2002 | Dec 2024 | Natural Gas |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 59.9 GWh | Mar 1922 | Dec 2024 | Water |
| Northeast (WA) | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 1.2 GWh | Nov 1978 | Dec 2024 | Natural Gas |
| Spokane Waste to Energy | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 134.5 GWh | Aug 1991 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Spooner Solar Array | AEP Onsite Partners, LLC | Spooner, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | May 2019 | Dec 2024 | Solar |
| Richmond Spider Solar | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 37.3 GWh | Nov 2020 | Dec 2024 | Solar |
| Pleinmont Solar 1 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 141.7 GWh | Sep 2020 | Dec 2025 | Solar |
| Pleinmont Solar 2 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 437.1 GWh | Jul 2021 | Dec 2025 | Solar |
| Highlander Solar Energy Station 1 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 286.8 GWh | Nov 2020 | Dec 2025 | Solar |
| Watts Bar Hydro | Tennessee Valley Authority | Spring City, TN | Tennessee Valley Authority (TVA) | 895.6 GWh | Feb 1942 | Dec 2024 | Water |
| Watts Bar Nuclear Plant | Tennessee Valley Authority | Spring City, TN | Tennessee Valley Authority (TVA) | 16.3 TWh | Apr 1996 | Dec 2025 | Nuclear |
| Pixelle Specialty Solutions LLC - Spring | Pixelle Specialty Solutions LLC - (PA) | Spring Grove, PA | PJM Interconnection, LLC (PJM) | 395.8 GWh | Apr 1948 | Dec 2025 | Black Liquor : 47.8% Natural Gas : 26.9% Bituminous Coal : 20.2% Wood/Wood Waste Solids : 3.8% Residual Fuel Oil : 0.7% Sludge Waste : 0.6% |
| Colonial Trail West | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 283.4 GWh | Nov 2019 | Dec 2025 | Solar |
| Spring Grove I | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 184.3 GWh | Oct 2020 | Dec 2025 | Solar |
| Spring Grove Solar 2 | Urban Grid Solar | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 5.0 GWh | - | Dec 2025 | Solar |
| Pasco Cnty Solid Waste Resource Recovery | Pasco County | Spring Hill, FL | Duke Energy Florida, Inc. (FPC) | 180.6 GWh | Apr 1991 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.9% |
| Spring Hope Solar 2, LLC | Spring Hope Solar 2, LLC | Spring Hope, NC | Duke Energy Carolinas (DUK) | 8.4 GWh | Nov 2021 | Dec 2024 | Solar |
| East Nash PV2 | Pine Gate Renewables | Spring Hope, NC | Duke Energy Progress East (CPLE) | 52.5 GWh | Nov 2023 | Dec 2024 | Solar |
| Brantley Solar | John Laing US Solar Corp. | Spring Hope, NC | Duke Energy Progress East (CPLE) | 98.4 GWh | Sep 2018 | Dec 2025 | Solar |
| Nash 64 Farm | Strata Manager, LLC | Spring Hope, NC | Duke Energy Progress East (CPLE) | 7.5 GWh | Jul 2014 | Dec 2024 | Solar |
| Spring Hope Solar 3, LLC | Spring Hope Solar 3, LLC | Spring Hope, NC | Duke Energy Progress East (CPLE) | 5.6 GWh | Nov 2020 | Dec 2024 | Solar |
| Spring House | Janssen Pharmaceutical Co | Spring House, PA | PJM Interconnection, LLC (PJM) | 12.4 GWh | Mar 2013 | Dec 2024 | Natural Gas |
| Aspen Road Solar | Urban Grid Solar | Spring Run, PA | PJM Interconnection, LLC (PJM) | 163.0 GWh | - | Dec 2025 | Solar |
| Fillmore County Solar Project | National Grid Renewables | Spring Valley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 83.0 GWh | Nov 2024 | Dec 2025 | Solar |
| Spring Valley | Spring Valley Pub Utils Comm | Spring Valley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 156.8 MWh | Dec 1951 | Dec 2024 | Distillate Fuel Oil : 78.5% Natural Gas : 21.5% |
| WAL5287 | Walmart Stores Texas, LLC | Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 226.0 MWh | Nov 2020 | Dec 2024 | Natural Gas |
| WAL849 | Walmart Stores Texas, LLC | Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 254.0 MWh | Jun 2020 | Dec 2024 | Natural Gas |
| WAL602 | Walmart Stores Texas, LLC | Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 223.0 MWh | May 2020 | Dec 2024 | Natural Gas |
| Springdale School District | Today's Power, Inc. | Springdale, AR | Southwest Power Pool (SWPP) | 4.8 GWh | Jun 2022 | Dec 2024 | Solar |
| Waste Management Eco Vista LFGTE | WM Renewable Energy LLC | Springdale, AR | Midcontinent Independent System Operator, Inc. (MISO) | 21.5 GWh | Oct 2010 | Dec 2024 | Natural Gas |
| Ozarks Natural Energy Community Solar | Ozarks Electric Coop Corp - (AR) | Springdale, AR | Southwest Power Pool (SWPP) | 935.0 MWh | Mar 2016 | Dec 2024 | Solar |
| Allegheny Energy Units 3 4 & 5 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 4.4 TWh | Jun 2003 | Dec 2025 | Natural Gas |
| Springdale 1 & 2 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 130.9 GWh | Nov 1999 | Dec 2024 | Natural Gas |
| Cimarron Solar Facility | Southern Power Co | Springer, NM | Western Area Power Administration - Rocky Mountain Region (WACM) | 44.6 GWh | Nov 2010 | Dec 2024 | Solar |
| Springer Solar 1 | Springer Electric Coop, Inc | Springer, NM | Public Service Company of New Mexico (PNM) | 2.0 GWh | Apr 2015 | Dec 2024 | Solar |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.5 TWh | May 1985 | Dec 2025 | Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.5% |
| Springfield Solar Project | NJR Clean Energy Ventures Corporation | Springfield Twp., NJ | PJM Interconnection, LLC (PJM) | 11.8 GWh | Sep 2018 | Dec 2024 | Solar |
| Vilas Solar Array | AEP Onsite Partners, LLC | Springfield, CO | Public Service Company of Colorado (PSCO) | 224.0 MWh | Nov 2017 | Dec 2024 | Solar |
| Springfield Wind | Arkansas River Power Authority | Springfield, CO | Public Service Company of Colorado (PSCO) | 5.3 GWh | Jan 2004 | Dec 2024 | Wind |
| Factory | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 78.9 MWh | Jul 1973 | Oct 2024 | Distillate Fuel Oil |
| Reynolds | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 81.0 MWh | Oct 1970 | Dec 2024 | Distillate Fuel Oil |
| Dallman | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 900.9 GWh | May 1968 | Dec 2025 | Bituminous Coal : 99.7% |
| Interstate | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 50.8 GWh | Aug 1997 | Dec 2024 | Natural Gas : 99.9% |
| Indian Orchard Plant 1 | Solutia Inc-Indian | Springfield, MA | ISO New England (ISNE) | 2.2 GWh | Apr 1985 | Dec 2025 | Natural Gas |
| Smith & Wesson at Springfield MA PV | Luminace Solar Massachusetts, LLC | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Jun 2017 | Dec 2024 | Solar |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2014 | Dec 2024 | Solar |
| Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 3.6 GWh | Apr 2014 | Dec 2025 | Solar |
| Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 5.9 GWh | Dec 2018 | Dec 2024 | Solar |
| East Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2018 | Dec 2024 | Solar |
| Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2011 | Dec 2024 | Solar |
| Oak Street Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 5.6 GWh | Nov 2019 | Dec 2024 | Solar |
| Springfield (MN) | Springfield Public Utils Comm - (MN) | Springfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | May 1994 | Dec 2024 | Distillate Fuel Oil |
| James River Power Station | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 73.2 GWh | May 1957 | Dec 2025 | Natural Gas : 91.4% Distillate Fuel Oil : 8.6% |
| John Twitty Energy Center | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 2.1 TWh | May 1976 | Dec 2025 | Subbituminous Coal : 96.7% Natural Gas : 3.3% |
| Turtle Creek | Omaha Public Power District | Springfield, NE | Southwest Power Pool (SWPP) | 380.0 GWh | - | Dec 2025 | Natural Gas : 92.1% Distillate Fuel Oil : 7.9% |
| NE Renewable Springfield, LLC | NE Renewable Springfield, LLC | Springfield, NH | ISO New England (ISNE) | 33.1 GWh | Nov 1987 | Dec 2024 | Wood/Wood Waste Solids |
| Springfield Solar LLC | Laurel Capital Partners | Springfield, OH | PJM Interconnection, LLC (PJM) | 277.0 MWh | Oct 2012 | Dec 2024 | Solar |
| IP Springfield Oregon | International Paper Corporation - Springfield | Springfield, OR | Bonneville Power Administration (BPAT) | 168.9 GWh | Dec 1948 | Dec 2024 | Black Liquor : 78.2% Natural Gas : 21.8% |
| Walterville | Eugene Water & Electric Board | Springfield, OR | Bonneville Power Administration (BPAT) | 51.1 GWh | Dec 1948 | Feb 2024 | Water |
| SCE&G Springfield CSG | Cypress Creek Renewables | Springfield, SC | Dominion Energy South Carolina, Inc. (SCEG) | 10.5 GWh | May 2018 | Dec 2024 | Solar |
| Peony Solar | Peony Solar, LLC | Springfield, SC | Dominion Energy South Carolina, Inc. (SCEG) | 71.4 GWh | Nov 2018 | Dec 2025 | Solar |
| Springview | Bluestem LLC | Springview, NE | Southwest Power Pool (SWPP) | 9.7 GWh | May 2011 | Dec 2024 | Wind |
| Whitehead | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 11.3 GWh | Jul 1986 | Dec 2024 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Bartholomew | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 271.0 MWh | Mar 1988 | Dec 2024 | Water |
| Texas Solar Nova 2 | Texas Solar Nova 2, LLC | Spur, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 562.7 GWh | Jan 2024 | Dec 2025 | Solar |
| Texas Solar Nova 1 | Texas Solar Nova 1, LLC | Spur, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 706.3 GWh | Nov 2023 | Dec 2025 | Solar |
| John E Amos | Appalachian Power Co | St Albans, WV | PJM Interconnection, LLC (PJM) | 9.1 TWh | Aug 1971 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| CED Spring Creek Solar | Bay4 Energy Services, LLC | St Anne, IL | PJM Interconnection, LLC (PJM) | 3.8 GWh | Mar 2021 | Dec 2024 | Solar |
| St. Charles Solar | Butter Solar, LLC | St Charles Township, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Aug 2019 | Dec 2024 | Solar |
| St. Cloud Hydro | St. Cloud Hydroelectric Generation Facility | St Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 50.6 GWh | May 1988 | Dec 2024 | Water |
| St Croix Falls | Northern States Power Co - Minnesota | St Croix Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 104.9 GWh | Dec 1909 | Dec 2024 | Water |
| St Francis | City of St Francis - (KS) | St Francis, KS | Southwest Power Pool (SWPP) | 19.6 MWh | Jul 1953 | Dec 2024 | Distillate Fuel Oil |
| Carville Energy LLC | Carville Energy LLC | St Gabriel, LA | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 TWh | May 2003 | Dec 2025 | Natural Gas |
| St George Red Rock | City of St George | St George, UT | PacifiCorp East (PACE) | 178.0 MWh | Apr 1987 | Dec 2024 | Distillate Fuel Oil |
| Bloomington Solar I | Adapture Renewables, Inc. | St George, UT | PacifiCorp East (PACE) | 667.0 MWh | Nov 2018 | Dec 2024 | Solar |
| Scotch Bonnet Solar, LLC | Scotch Bonnet Solar, LLC | St Helena, NC | Duke Energy Progress East (CPLE) | 6.3 GWh | Nov 2020 | Dec 2024 | Solar |
| St James | City of St James - (MN) | St James, MN | Midcontinent Independent System Operator, Inc. (MISO) | 36.0 MWh | Jun 2002 | Dec 2024 | Distillate Fuel Oil |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | Nov 1979 | Dec 2025 | Subbituminous Coal : 99.7% |
| Lake Road (MO) | Evergy Missouri West | St Joseph, MO | Southwest Power Pool (SWPP) | 49.6 GWh | Jun 1950 | Dec 2025 | Natural Gas : 79.3% Subbituminous Coal : 16.5% Distillate Fuel Oil : 4.2% |
Summary of Power Plants By State
Figures are based on December 2025 generation numbers.| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,766.12 GWh |
| Alaska | # 48 | 139 | 625.46 GWh |
| Arizona | # 16 | 183 | 8,962.31 GWh |
| Arkansas | # 29 | 114 | 5,525.50 GWh |
| California | # 5 | 1,683 | 14,393.99 GWh |
| Colorado | # 31 | 297 | 4,649.38 GWh |
| Connecticut | # 34 | 162 | 4,087.83 GWh |
| Delaware | # 49 | 33 | 469.96 GWh |
| District of Columbia | # 51 | 16 | 14.80 GWh |
| Florida | # 3 | 333 | 19,379.32 GWh |
| Georgia | # 8 | 248 | 12,492.24 GWh |
| Hawaii | # 46 | 70 | 814.97 GWh |
| Idaho | # 41 | 146 | 2,123.12 GWh |
| Illinois | # 4 | 379 | 17,546.79 GWh |
| Indiana | # 13 | 214 | 9,789.95 GWh |
| Iowa | # 20 | 293 | 7,310.28 GWh |
| Kansas | # 28 | 183 | 5,586.75 GWh |
| Kentucky | # 22 | 60 | 6,716.43 GWh |
| Louisiana | # 17 | 84 | 8,587.03 GWh |
| Maine | # 45 | 215 | 1,484.81 GWh |
| Maryland | # 37 | 203 | 3,225.85 GWh |
| Massachusetts | # 43 | 640 | 2,073.13 GWh |
| Michigan | # 11 | 269 | 11,734.82 GWh |
| Minnesota | # 27 | 764 | 5,712.30 GWh |
| Mississippi | # 24 | 56 | 6,090.79 GWh |
| Missouri | # 23 | 125 | 6,623.76 GWh |
| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,639.28 GWh |
| Nebraska | # 36 | 125 | 3,667.32 GWh |
| Nevada | # 38 | 114 | 3,217.22 GWh |
| New Hampshire | # 44 | 56 | 1,878.83 GWh |
| New Jersey | # 30 | 387 | 5,182.27 GWh |
| New Mexico | # 35 | 142 | 3,818.41 GWh |
| New York | # 10 | 950 | 11,800.05 GWh |
| North Carolina | # 9 | 904 | 12,153.04 GWh |
| North Dakota | # 33 | 58 | 4,218.72 GWh |
| Ohio | # 6 | 198 | 13,425.53 GWh |
| Oklahoma | # 18 | 141 | 7,637.23 GWh |
| Oregon | # 21 | 272 | 6,788.64 GWh |
| Pennsylvania | # 2 | 252 | 22,539.49 GWh |
| Rhode Island | # 47 | 100 | 775.70 GWh |
| South Carolina | # 15 | 207 | 8,967.44 GWh |
| South Dakota | # 42 | 52 | 2,122.20 GWh |
| Tennessee | # 19 | 88 | 7,328.17 GWh |
| Texas | # 1 | 947 | 46,150.81 GWh |
| Utah | # 39 | 125 | 2,845.12 GWh |
| Vermont | # 50 | 116 | 189.85 GWh |
| Virginia | # 14 | 237 | 9,421.16 GWh |
| Washington | # 12 | 135 | 10,635.09 GWh |
| West Virginia | # 26 | 39 | 5,763.55 GWh |
| Wisconsin | # 25 | 243 | 5,804.32 GWh |
| Wyoming | # 32 | 70 | 4,436.68 GWh |