Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Springfield Solar LLC | Laurel Capital Partners | Springfield, OH | PJM Interconnection, LLC (PJM) | 277.0 MWh | Oct 2012 | Dec 2024 | Solar |
| NE Renewable Springfield, LLC | NE Renewable Springfield, LLC | Springfield, NH | ISO New England (ISNE) | 73.3 GWh | Nov 1987 | Dec 2025 | Wood/Wood Waste Solids |
| Turtle Creek | Omaha Public Power District | Springfield, NE | Southwest Power Pool (SWPP) | 473.1 GWh | May 2025 | Jun 2026 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| John Twitty Energy Center | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 1.8 TWh | May 1976 | Jun 2026 | Subbituminous Coal : 96.7% Natural Gas : 3.3% |
| James River Power Station | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 78.0 GWh | May 1957 | Jun 2026 | Natural Gas : 85.6% Distillate Fuel Oil : 14.4% |
| 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) | 8.5 GWh | Apr 1985 | Jun 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 |
| Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 4.1 GWh | Apr 2014 | Jun 2026 | 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 |
| 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) | 823.0 GWh | May 1968 | Jun 2026 | Bituminous Coal : 99.4% Natural Gas : 0.6% |
| 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 | Jun 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) | 3.8 TWh | Jun 2003 | Jun 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) | 81.8 GWh | Nov 2024 | Jun 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) | 186.9 GWh | Jan 2025 | Jun 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) | 99.8 GWh | Sep 2018 | Jun 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) | 186.5 GWh | Apr 1991 | Jun 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) | 145.5 GWh | Nov 2025 | Jun 2026 | Solar |
| Colonial Trail West | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 308.9 GWh | Nov 2019 | Jun 2026 | Solar |
| Spring Grove I | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 198.9 GWh | Oct 2020 | Jun 2026 | Solar |
| Pixelle Specialty Solutions LLC - Spring | Pixelle Specialty Solutions LLC - (PA) | Spring Grove, PA | PJM Interconnection, LLC (PJM) | 364.4 GWh | Apr 1948 | Jun 2026 | Black Liquor : 44.7% Natural Gas : 30.7% Bituminous Coal : 19.5% Wood/Wood Waste Solids : 3.6% Residual Fuel Oil : 1.0% 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 | Jun 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) | 144.1 GWh | Sep 2020 | Jun 2026 | Solar |
| Pleinmont Solar 2 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 445.6 GWh | Jul 2021 | Jun 2026 | Solar |
| Highlander Solar Energy Station 1 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 294.0 GWh | Nov 2020 | Jun 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 |
| Upriver Dam Hydro Plant | City of Spokane - (WA) | Spokane, WA | Avista Corporation (AVA) | 39.9 GWh | Dec 1935 | Dec 2025 | Water |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 87.5 GWh | Nov 1992 | Dec 2025 | Water |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 42.0 GWh | Mar 1922 | Dec 2025 | Water |
| Boulder Park | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 125.8 GWh | Apr 2002 | Dec 2025 | Natural Gas |
| Spokane Waste to Energy | City of Spokane - (WA) | Spokane, WA | Avista Corporation (AVA) | 132.1 GWh | Aug 1991 | Jun 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) | 234.9 GWh | Oct 2014 | Jun 2026 | Natural Gas : 59.6% Refined Coal : 40.4% |
| 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 |
| Cycz Solar Project CSG Hybrid | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 2.9 GWh | May 2020 | Dec 2025 | Solar |
| Wilson Solar (MA) | RWE Clean Energy | Spencer, MA | ISO New England (ISNE) | 870.0 MWh | May 2013 | 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 | Jun 2026 | Wind |
| Spearville 3 LLC | EDF Renewable Asset Holdings, Inc. | Spearville, KS | Southwest Power Pool (SWPP) | 170.5 GWh | Sep 2012 | Dec 2025 | Wind |
| Western Plains Wind Farm | Evergy Kansas Central, Inc | Spearville, KS | Southwest Power Pool (SWPP) | 1.1 TWh | Feb 2017 | Jun 2026 | Wind |
| Ironwood Wind | Deriva Energy | 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 |
| Limelight Solar II LLC | Limelight Solar II LLC | Spartanburg, SC | Duke Energy Carolinas (DUK) | 1.4 GWh | Nov 2019 | Dec 2025 | Solar |
| 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 I, LLC | Limelight Solar I, LLC | Spartanburg, SC | Duke Energy Carolinas (DUK) | 3.2 GWh | Apr 2022 | 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 |
| 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) | 108.4 GWh | Nov 2020 | Jun 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 | Jun 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) | 38.9 GWh | Jun 2008 | Jun 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) | 8.0 GWh | Dec 2018 | Jun 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 |
Summary of Power Plants By State
Figures are based on June 2026 generation numbers.| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 77 | 12,594.28 GWh |
| Alaska | # 48 | 140 | 563.53 GWh |
| Arizona | # 11 | 199 | 11,138.97 GWh |
| Arkansas | # 21 | 117 | 6,425.86 GWh |
| California | # 4 | 1,744 | 17,197.11 GWh |
| Colorado | # 29 | 309 | 4,933.21 GWh |
| Connecticut | # 34 | 173 | 3,737.86 GWh |
| Delaware | # 49 | 35 | 376.53 GWh |
| District of Columbia | # 51 | 17 | 18.29 GWh |
| Florida | # 2 | 342 | 26,309.59 GWh |
| Georgia | # 7 | 250 | 13,880.75 GWh |
| Hawaii | # 47 | 70 | 767.91 GWh |
| Idaho | # 41 | 152 | 2,099.32 GWh |
| Illinois | # 5 | 494 | 16,673.62 GWh |
| Indiana | # 18 | 222 | 8,401.10 GWh |
| Iowa | # 23 | 297 | 6,139.01 GWh |
| Kansas | # 25 | 188 | 5,758.25 GWh |
| Kentucky | # 22 | 61 | 6,181.49 GWh |
| Louisiana | # 15 | 90 | 9,779.36 GWh |
| Maine | # 45 | 242 | 1,215.46 GWh |
| Maryland | # 36 | 228 | 3,591.08 GWh |
| Massachusetts | # 44 | 666 | 1,410.23 GWh |
| Michigan | # 14 | 276 | 9,804.74 GWh |
| Minnesota | # 30 | 790 | 4,889.70 GWh |
| Mississippi | # 20 | 60 | 6,899.16 GWh |
| Missouri | # 24 | 129 | 6,066.44 GWh |
| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,225.73 GWh |
| Nebraska | # 39 | 126 | 3,184.64 GWh |
| Nevada | # 31 | 117 | 4,654.59 GWh |
| New Hampshire | # 43 | 57 | 1,659.52 GWh |
| New Jersey | # 28 | 398 | 5,055.63 GWh |
| New Mexico | # 33 | 159 | 4,408.01 GWh |
| New York | # 10 | 1,064 | 11,564.60 GWh |
| North Carolina | # 8 | 913 | 12,773.20 GWh |
| North Dakota | # 35 | 59 | 3,713.80 GWh |
| Ohio | # 6 | 213 | 13,969.06 GWh |
| Oklahoma | # 17 | 144 | 9,156.03 GWh |
| Oregon | # 27 | 281 | 5,322.08 GWh |
| Pennsylvania | # 3 | 259 | 21,018.65 GWh |
| Rhode Island | # 46 | 107 | 854.92 GWh |
| South Carolina | # 16 | 209 | 9,442.42 GWh |
| South Dakota | # 42 | 53 | 1,803.66 GWh |
| Tennessee | # 19 | 99 | 7,036.17 GWh |
| Texas | # 1 | 1,028 | 57,844.67 GWh |
| Utah | # 38 | 129 | 3,196.09 GWh |
| Vermont | # 50 | 118 | 180.62 GWh |
| Virginia | # 12 | 250 | 10,352.13 GWh |
| Washington | # 13 | 135 | 10,051.77 GWh |
| West Virginia | # 32 | 41 | 4,489.44 GWh |
| Wisconsin | # 26 | 266 | 5,542.48 GWh |
| Wyoming | # 37 | 69 | 3,318.53 GWh |