Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| John Twitty Energy Center | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 1.8 TWh | May 1976 | May 2026 | Subbituminous Coal : 96.9% Natural Gas : 3.1% |
| James River Power Station | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 83.2 GWh | May 1957 | May 2026 | Natural Gas : 86.5% Distillate Fuel Oil : 13.5% |
| Springfield (MN) | Springfield Public Utils Comm - (MN) | Springfield, MN | Midcontinent Independent System Operator, Inc. (MISO) | 15.0 MWh | May 1994 | Dec 2025 | Distillate Fuel Oil |
| Indian Orchard Plant 1 | Solutia Inc-Indian | Springfield, MA | ISO New England (ISNE) | 7.4 GWh | Apr 1985 | May 2026 | Natural Gas |
| Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2011 | Dec 2025 | Solar |
| Oak Street Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 5.4 GWh | Nov 2019 | Dec 2025 | Solar |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 2.9 GWh | Dec 2014 | Dec 2025 | Solar |
| East Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 1.9 GWh | Sep 2018 | Dec 2025 | Solar |
| Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 5.5 GWh | Dec 2018 | Dec 2025 | Solar |
| Smith & Wesson at Springfield MA PV | Luminace Solar Massachusetts, LLC | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Jun 2017 | Dec 2025 | Solar |
| Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 3.9 GWh | Apr 2014 | May 2026 | Solar |
| Interstate | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 57.5 GWh | Aug 1997 | Dec 2025 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Dallman | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 828.4 GWh | May 1968 | May 2026 | Bituminous Coal : 99.5% Natural Gas : 0.5% |
| Reynolds | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 179.0 MWh | Oct 1970 | Dec 2025 | Distillate Fuel Oil |
| Factory | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 132.0 MWh | Jul 1973 | Dec 2025 | Distillate Fuel Oil |
| Vilas Solar Array | Onsite Partners, LLC | Springfield, CO | Public Service Company of Colorado (PSCO) | 3.6 GWh | Nov 2017 | Dec 2025 | Solar |
| Springfield Wind | Arkansas River Power Authority | Springfield, CO | Public Service Company of Colorado (PSCO) | 5.4 GWh | Jan 2004 | Dec 2025 | Wind |
| Springfield Solar Project | NJR Clean Energy Ventures Corporation | Springfield Twp., NJ | PJM Interconnection, LLC (PJM) | 11.6 GWh | Sep 2018 | Dec 2025 | Solar |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.3 TWh | May 1985 | May 2026 | Subbituminous Coal : 99.3% |
| Cimarron Solar Facility | Southern Power Co | Springer, NM | Western Area Power Administration - Rocky Mountain Region (WACM) | 60.3 GWh | Nov 2010 | Dec 2025 | Solar |
| Springer Solar 1 | Springer Electric Coop, Inc | Springer, NM | Public Service Company of New Mexico (PNM) | 2.2 GWh | Apr 2015 | Dec 2025 | Solar |
| Springdale 1 & 2 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 147.3 GWh | Nov 1999 | Dec 2025 | Natural Gas |
| Allegheny Energy Units 3 4 & 5 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 3.9 TWh | Jun 2003 | May 2026 | Natural Gas |
| 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) | 2.1 GWh | Mar 2016 | Dec 2025 | Solar |
| Springdale School District | Today's Power, Inc. | Springdale, AR | Southwest Power Pool (SWPP) | 4.6 GWh | Jun 2022 | Dec 2025 | Solar |
| WAL5287 | Walmart Stores Texas, LLC | Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 336.0 MWh | Nov 2020 | Dec 2025 | Natural Gas |
| WAL849 | Walmart Stores Texas, LLC | Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 349.0 MWh | Jun 2020 | Dec 2025 | Natural Gas |
| WAL602 | Walmart Stores Texas, LLC | Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 328.0 MWh | May 2020 | Dec 2025 | Natural Gas |
| Fillmore County Solar Project | Geronimo Power | Spring Valley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 80.6 GWh | Nov 2024 | May 2026 | Solar |
| 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% |
| Aspen Road Solar | Urban Grid Solar | Spring Run, PA | PJM Interconnection, LLC (PJM) | 182.6 GWh | Jan 2025 | May 2026 | Solar |
| Spring House | Janssen Pharmaceutical Co | Spring House, PA | PJM Interconnection, LLC (PJM) | 18.5 GWh | Mar 2013 | Dec 2025 | Natural Gas |
| Nash 64 Farm | Strata Manager, LLC | Spring Hope, NC | Duke Energy Progress East (CPLE) | 6.9 GWh | Jul 2014 | Dec 2025 | Solar |
| Spring Hope Solar 3, LLC | SunStrong Management | Spring Hope, NC | Duke Energy Progress East (CPLE) | 6.3 GWh | Nov 2020 | Dec 2025 | Solar |
| Brantley Solar | John Laing US Solar Corp. | Spring Hope, NC | Duke Energy Progress East (CPLE) | 99.6 GWh | Sep 2018 | May 2026 | Solar |
| Spring Hope Solar 2, LLC | Spring Hope Solar 2, LLC | Spring Hope, NC | Duke Energy Carolinas (DUK) | 9.4 GWh | Nov 2021 | Dec 2025 | Solar |
| East Nash PV2 | Pine Gate Renewables | Spring Hope, NC | Duke Energy Progress East (CPLE) | 53.0 GWh | Nov 2023 | Dec 2025 | Solar |
| Pasco Cnty Solid Waste Resource Recovery | Pasco County - (FL) | Spring Hill, FL | Duke Energy Florida, Inc. (FPC) | 186.1 GWh | Apr 1991 | May 2026 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
| Spring Grove Solar 2 | Urban Grid Solar | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 107.8 GWh | Nov 2025 | May 2026 | Solar |
| Spring Grove I | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 196.3 GWh | Oct 2020 | May 2026 | Solar |
| Colonial Trail West | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 302.7 GWh | Nov 2019 | May 2026 | Solar |
| Pixelle Specialty Solutions LLC - Spring | Pixelle Specialty Solutions LLC - (PA) | Spring Grove, PA | PJM Interconnection, LLC (PJM) | 360.6 GWh | Apr 1948 | May 2026 | Black Liquor : 44.5% Natural Gas : 29.4% Bituminous Coal : 20.9% Wood/Wood Waste Solids : 3.6% Residual Fuel Oil : 1.1% Sludge Waste : 0.5% |
| Watts Bar Hydro | Tennessee Valley Authority | Spring City, TN | Tennessee Valley Authority (TVA) | 865.4 GWh | Feb 1942 | Dec 2025 | Water |
| Watts Bar Nuclear Plant | Tennessee Valley Authority | Spring City, TN | Tennessee Valley Authority (TVA) | 19.7 TWh | Apr 1996 | May 2026 | Nuclear |
| Richmond Spider Solar | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 36.2 GWh | Nov 2020 | Dec 2025 | Solar |
| Pleinmont Solar 1 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 142.4 GWh | Sep 2020 | May 2026 | Solar |
| Pleinmont Solar 2 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 442.0 GWh | Jul 2021 | May 2026 | Solar |
| Highlander Solar Energy Station 1 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 289.5 GWh | Nov 2020 | May 2026 | Solar |
| Spooner Solar Array | Onsite Partners, LLC | Spooner, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | May 2019 | Dec 2024 | Solar |
| Northeast (WA) | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 526.0 MWh | Nov 1978 | Dec 2025 | Natural Gas |
| Boulder Park | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 125.8 GWh | Apr 2002 | Dec 2025 | Natural Gas |
| Upriver Dam Hydro Plant | City of Spokane - (WA) | Spokane, WA | Avista Corporation (AVA) | 39.9 GWh | Dec 1935 | Dec 2025 | Water |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 42.0 GWh | Mar 1922 | Dec 2025 | Water |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 87.5 GWh | Nov 1992 | Dec 2025 | Water |
| Spokane Waste to Energy | City of Spokane - (WA) | Spokane, WA | Avista Corporation (AVA) | 132.4 GWh | Aug 1991 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Spiritwood Station | Great River Energy | Spiritwood, ND | Midcontinent Independent System Operator, Inc. (MISO) | 212.8 GWh | Oct 2014 | May 2026 | Natural Gas : 58.1% Refined Coal : 41.9% |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Apr 2022 | Dec 2025 | Solar |
| Pasto Solar | Altus Power America Management, LLC | Spencer, NY | New York Independent System Operator (NYIS) | 25.1 GWh | Sep 2019 | Dec 2025 | Solar |
| SJA Solar LLC-Solterra Monastery CSG | SJA Solar, LLC | Spencer, MA | ISO New England (ISNE) | 23.6 GWh | Nov 2016 | Dec 2025 | Solar |
| Wilson Solar (MA) | RWE Clean Energy | Spencer, MA | ISO New England (ISNE) | 870.0 MWh | May 2013 | Dec 2025 | Solar |
| Cycz Solar Project CSG Hybrid | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 2.9 GWh | May 2020 | Dec 2025 | Solar |
| Woodchuck Solar, LLC CSG | 38 Degrees North, LLC | Spencer, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2017 | Dec 2025 | Solar |
| Blair Wire Village Solar, LLC CSG | 38 Degrees North, LLC | Spencer, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2017 | Dec 2025 | Solar |
| ZPD-PT Solar Project 2017-044 LLC CSG | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 812.0 MWh | Sep 2021 | Dec 2025 | Solar |
| Spencer Solar MA | Citizens Enterprises Corporation | Spencer, MA | ISO New England (ISNE) | 4.0 GWh | Feb 2020 | Dec 2025 | Solar |
| Earl F Wisdom | Corn Belt Power Coop | Spencer, IA | Southwest Power Pool (SWPP) | 4.1 GWh | Mar 1960 | Dec 2025 | Natural Gas : 98.9% |
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 86.0 MWh | Dec 1969 | Dec 2025 | Kerosene |
| Upland Prairie | Interstate Power and Light Co | Spencer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Feb 2019 | May 2026 | Wind |
| Western Plains Wind Farm | Evergy Kansas Central, Inc | Spearville, KS | Southwest Power Pool (SWPP) | 1.1 TWh | Feb 2017 | May 2026 | Wind |
| Spearville 3 LLC | EDF Renewable Asset Holdings, Inc. | Spearville, KS | Southwest Power Pool (SWPP) | 170.5 GWh | Sep 2012 | Dec 2025 | Wind |
| Ironwood Wind | Duke Energy Renewables Services | Spearville, KS | Southwest Power Pool (SWPP) | 476.3 GWh | Jul 2012 | Dec 2025 | Wind |
| Great Plains Windpark LLC | Great Plains Windpark Legacy LLC | Spearman, TX | Southwest Power Pool (SWPP) | 107.1 GWh | Dec 2008 | Dec 2024 | Wind |
| Spearfish Hydro | City of Spearfish - (SD) | Spearfish, SD | Western Area Power Administration - Rocky Mountain Region (WACM) | 18.4 GWh | Sep 1912 | Dec 2025 | Water |
| Wellford Renewable Energy Plant | Lockhart Power Co | Spartanburg, SC | Duke Energy Carolinas (DUK) | 59.0 MWh | Apr 2011 | Dec 2025 | Landfill Gas |
| AGA TAG Solar III LLC | AGA TAG Solar III LLC | Spartanburg, SC | Duke Energy Carolinas (DUK) | 1.6 GWh | Jul 2020 | Jul 2025 | Solar |
| ATOOD Solar III LLC | ATOOD Solar III LLC | Spartanburg, SC | Duke Energy Carolinas (DUK) | 2.2 GWh | Nov 2019 | Dec 2025 | Solar |
| Limelight Solar II LLC | Limelight Solar II LLC | Spartanburg, SC | Duke Energy Carolinas (DUK) | 1.4 GWh | Nov 2019 | Dec 2025 | Solar |
| Limelight Solar III, LLC | Limelight Solar III, LLC | Spartanburg, SC | Duke Energy Carolinas (DUK) | 1.8 GWh | Nov 2020 | Dec 2025 | Solar |
| Limelight Solar I, LLC | Limelight Solar I, LLC | Spartanburg, SC | Duke Energy Carolinas (DUK) | 3.2 GWh | Apr 2022 | Dec 2025 | Solar |
| Bryant Road Solar | JSD Flatwood PV-1, LLC | Spartanburg, SC | Duke Energy Carolinas (DUK) | 1.7 GWh | Jan 2023 | Nov 2025 | Solar |
| SV CSG Wagner A LLC | SunVest Solar LLC | Sparta, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Nov 2024 | Dec 2025 | Solar |
| Amazon Maryland DCA1 | Westbound Solar LLC | Sparrows Point, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | May 2019 | Dec 2025 | Solar |
| Turquoise Liberty Solar | Liberty Utilities (CalPeco Electric) LLC | Sparks, NV | Nevada Power Company (NEVP) | 7.9 GWh | Oct 2019 | Dec 2025 | Solar |
| Tesla Reno GigaFactory | Tesla Inc. | Sparks, NV | Nevada Power Company (NEVP) | 5.1 GWh | May 2019 | Dec 2025 | Solar |
| Turquoise Nevada, LLC | Greenbacker Renewable Energy Corporation | Sparks, NV | Nevada Power Company (NEVP) | 108.3 GWh | Nov 2020 | May 2026 | Solar |
| Waste Management Lockwood LFGTE | WM Renewable Energy LLC | Sparks, NV | Nevada Power Company (NEVP) | 25.2 GWh | Feb 2012 | Dec 2025 | Landfill Gas |
| Tracy | Sierra Pacific Power Co | Sparks, NV | Nevada Power Company (NEVP) | 3.7 TWh | Jul 1963 | May 2026 | Natural Gas |
| Spanish Fork | Strawberry Water Users Assn | Spanish Fork, UT | PacifiCorp East (PACE) | 14.5 GWh | Sep 1937 | Dec 2024 | Water |
| Spanish Fork Wind Park 2 LLC | Spanish Fork Wind Park 2, LLC | Spanish Fork, UT | PacifiCorp East (PACE) | 43.1 GWh | Jun 2008 | Apr 2026 | Wind |
| Spanish Fork Community Solar | Utah Municipal Power Agency | Spanish Fork, UT | PacifiCorp East (PACE) | 7.4 GWh | Jun 2021 | Dec 2025 | Solar |
| 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% |
| Goose Pond Solar | LSE Dorado, LLC | Southwick, MA | ISO New England (ISNE) | 7.0 GWh | Dec 2019 | Dec 2025 | Solar |
| Southwick Solar PV | NSTAR Electric Company | Southwick, MA | ISO New England (ISNE) | 7.9 GWh | Dec 2018 | May 2026 | Solar |
| Kearsarge Southwick LLC | Kearsarge Solar LLC | Southwick, MA | ISO New England (ISNE) | 4.7 GWh | Feb 2015 | Dec 2025 | Solar |
| Sunpin Blandford | Blandford Sun, LLC | Southwick, MA | ISO New England (ISNE) | 6.3 GWh | May 2020 | Dec 2025 | Solar |
| Southwick Solar, LLC Community Solar | Navisun LLC | Southwick, MA | ISO New England (ISNE) | 3.5 GWh | Apr 2025 | Dec 2025 | Solar |
| Brunswick Nuclear | Duke Energy Progress - (NC) | Southport, NC | Duke Energy Progress East (CPLE) | 15.3 TWh | Oct 1975 | May 2026 | Nuclear |
| Lansing Smith | Florida Power & Light Co | Southport, FL | Florida Power & Light Co. (FPL) | 3.7 TWh | May 1965 | May 2026 | Natural Gas |
| HEB00055 | Generate ER-NG, LLC | Southlake, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 206.0 MWh | Oct 2023 | Dec 2025 | Natural Gas |
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 |