Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Spencer Solar CSG | Madison Energy Investments LLC | Spencer, MA | ISO New England (ISNE) | 584.0 MWh | May 2025 | Dec 2025 | Solar |
| Wilson Solar (MA) | RWE Clean Energy | Spencer, MA | ISO New England (ISNE) | 870.0 MWh | May 2013 | 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 |
| Pasto Solar | Altus Power America Management, LLC | Spencer, NY | New York Independent System Operator (NYIS) | 25.1 GWh | Sep 2019 | Dec 2025 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Apr 2022 | Dec 2025 | Solar |
| Spiritwood Station | Great River Energy | Spiritwood, ND | Midcontinent Independent System Operator, Inc. (MISO) | 271.3 GWh | Oct 2014 | Aug 2026 | Natural Gas : 62.2% Refined Coal : 37.8% |
| Spokane Waste to Energy | City of Spokane - (WA) | Spokane, WA | Avista Corporation (AVA) | 129.5 GWh | Aug 1991 | Aug 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Upriver Dam Hydro Plant | City of Spokane - (WA) | Spokane, WA | Avista Corporation (AVA) | 39.9 GWh | Dec 1935 | Dec 2025 | Water |
| Boulder Park | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 125.8 GWh | Apr 2002 | Dec 2025 | Natural Gas |
| 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 |
| Northeast (WA) | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 526.0 MWh | Nov 1978 | Dec 2025 | Natural Gas |
| Spooner Solar Array | Onsite Partners, LLC | Spooner, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | May 2019 | Dec 2025 | Solar |
| Richmond Spider Solar | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 36.2 GWh | Nov 2020 | Dec 2025 | Solar |
| Highlander Solar Energy Station 1 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 296.9 GWh | Nov 2020 | Aug 2026 | Solar |
| Pleinmont Solar 1 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 143.6 GWh | Sep 2020 | Aug 2026 | Solar |
| Pleinmont Solar 2 | AES Distributed Energy | Spotsylvania, VA | PJM Interconnection, LLC (PJM) | 444.7 GWh | Jul 2021 | Aug 2026 | Solar |
| Watts Bar Nuclear Plant | Tennessee Valley Authority | Spring City, TN | Tennessee Valley Authority (TVA) | 19.8 TWh | Apr 1996 | Aug 2026 | Nuclear |
| Watts Bar Hydro | Tennessee Valley Authority | Spring City, TN | Tennessee Valley Authority (TVA) | 865.4 GWh | Feb 1942 | Dec 2025 | Water |
| Pixelle Specialty Solutions LLC - Spring | Pixelle Specialty Solutions LLC - (PA) | Spring Grove, PA | PJM Interconnection, LLC (PJM) | 366.8 GWh | Apr 1948 | Aug 2026 | Black Liquor : 44.2% Natural Gas : 32.2% Bituminous Coal : 18.3% Wood/Wood Waste Solids : 4.2% Residual Fuel Oil : 0.6% Sludge Waste : 0.6% |
| Spring Grove I | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 197.8 GWh | Oct 2020 | Aug 2026 | Solar |
| Colonial Trail West | Dominion Energy Inc. | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 308.0 GWh | Nov 2019 | Aug 2026 | Solar |
| Spring Grove Solar 2 | Urban Grid Solar | Spring Grove, VA | PJM Interconnection, LLC (PJM) | 211.2 GWh | Nov 2025 | Aug 2026 | Solar |
| Pasco Cnty Solid Waste Resource Recovery | Pasco County - (FL) | Spring Hill, FL | Duke Energy Florida, Inc. (FPC) | 188.4 GWh | Apr 1991 | Aug 2026 | 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) | 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 |
| 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) | 100.3 GWh | Sep 2018 | Aug 2026 | Solar |
| Spring House | Janssen Pharmaceutical Co | Spring House, PA | PJM Interconnection, LLC (PJM) | 18.5 GWh | Mar 2013 | Dec 2025 | Natural Gas |
| Aspen Road Solar | Urban Grid Solar | Spring Run, PA | PJM Interconnection, LLC (PJM) | 186.1 GWh | Jan 2025 | Aug 2026 | Solar |
| Geranium Solar | Generate Capital | Spring Valley, IL | Midcontinent Independent System Operator, Inc. (MISO) | 148.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Fillmore County Solar Project | Geronimo Power | Spring Valley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 81.0 GWh | Nov 2024 | Aug 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% |
| WAL849 | Walmart Stores Texas, LLC | Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 349.0 MWh | Jun 2020 | Dec 2025 | Natural Gas |
| WAL5287 | Walmart Stores Texas, LLC | Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 336.0 MWh | Nov 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 |
| Springdale School District | Today's Power, Inc. | Springdale, AR | Southwest Power Pool (SWPP) | 4.6 GWh | Jun 2022 | Dec 2025 | Solar |
| Waste Management Eco Vista LFGTE | WM Renewable Energy LLC | Springdale, AR | Midcontinent Independent System Operator, Inc. (MISO) | 22.4 GWh | Oct 2010 | Dec 2025 | 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 |
| Allegheny Energy Units 3 4 & 5 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 3.7 TWh | Jun 2003 | Aug 2026 | Natural Gas |
| Springdale 1 & 2 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 147.3 GWh | Nov 1999 | Dec 2025 | Natural Gas |
| 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 |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.5 TWh | May 1985 | Aug 2026 | Subbituminous Coal : 99.4% |
| Springfield Solar Project | NJR Clean Energy Ventures Corporation | Springfield Twp., NJ | PJM Interconnection, LLC (PJM) | 11.6 GWh | Sep 2018 | Dec 2025 | Solar |
| 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 |
| Factory | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 198.0 MWh | Jul 1973 | Jun 2025 | Distillate Fuel Oil |
| Reynolds | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 179.0 MWh | Oct 1970 | Dec 2025 | Distillate Fuel Oil |
| Dallman | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 817.3 GWh | May 1968 | Aug 2026 | Bituminous Coal : 99.5% Natural Gas : 0.5% |
| 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% |
| Indian Orchard Plant 1 | Solutia Inc-Indian | Springfield, MA | ISO New England (ISNE) | 11.8 GWh | Apr 1985 | Aug 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 |
| Smith & Wesson at Springfield MA PV | Luminace Solar Massachusetts, LLC | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Jun 2017 | Dec 2025 | Solar |
| Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 5.5 GWh | Dec 2018 | Dec 2025 | Solar |
| East Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 1.9 GWh | Sep 2018 | Dec 2025 | Solar |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 2.9 GWh | Dec 2014 | Dec 2025 | Solar |
| Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 4.3 GWh | Apr 2014 | Aug 2026 | Solar |
| Oak Street Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 5.4 GWh | Nov 2019 | Dec 2025 | Solar |
| 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 |
| James River Power Station | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 79.9 GWh | May 1957 | Aug 2026 | Natural Gas : 85.9% Distillate Fuel Oil : 14.1% |
| John Twitty Energy Center | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 1.9 TWh | May 1976 | Aug 2026 | Subbituminous Coal : 96.7% Natural Gas : 3.3% |
| Turtle Creek | Omaha Public Power District | Springfield, NE | Southwest Power Pool (SWPP) | 559.1 GWh | May 2025 | Aug 2026 | Natural Gas : 98.8% Distillate Fuel Oil : 1.2% |
| 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 |
| 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) | 180.9 GWh | Dec 1948 | Dec 2025 | Black Liquor : 78.2% Natural Gas : 21.8% |
| Peony Solar | SunStrong Management | Springfield, SC | Dominion Energy South Carolina, Inc. (SCEG) | 59.4 GWh | Nov 2018 | Aug 2026 | Solar |
| SCE&G Springfield CSG | Cypress Creek Renewables | Springfield, SC | Dominion Energy South Carolina, Inc. (SCEG) | 10.8 GWh | May 2018 | Dec 2025 | Solar |
| Springview | Bluestem LLC | Springview, NE | Southwest Power Pool (SWPP) | 10.2 GWh | May 2011 | Dec 2025 | Wind |
| Whitehead | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 11.4 GWh | Jul 1986 | Dec 2025 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Bartholomew | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 1.6 GWh | Mar 1988 | Dec 2025 | Water |
| Texas Solar Nova 1 | Texas Solar Nova 1, LLC | Spur, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 725.2 GWh | Nov 2023 | Aug 2026 | Solar |
| Texas Solar Nova 2 | Texas Solar Nova 2, LLC | Spur, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 574.3 GWh | Jan 2024 | Aug 2026 | Solar |
| John E Amos | Appalachian Power Co | St Albans, WV | PJM Interconnection, LLC (PJM) | 8.9 TWh | Aug 1971 | Aug 2026 | Bituminous Coal : 99.4% Distillate Fuel Oil : 0.6% |
| USS St Anne Solar LLC (St Anne 2) | SRC Partnership 16, LLC | St Anne, IL | PJM Interconnection, LLC (PJM) | 4.2 GWh | Oct 2024 | Dec 2025 | Solar |
| USS St Anne Solar LLC (St. Anne 1) | SRC Partnership 16, LLC | St Anne, IL | PJM Interconnection, LLC (PJM) | 4.2 GWh | Oct 2024 | Dec 2025 | Solar |
| CED Spring Creek Solar | Bay4 Energy Services, LLC | St Anne, IL | PJM Interconnection, LLC (PJM) | 1.2 GWh | Mar 2021 | Aug 2025 | Solar |
| St. Charles Solar | Green Street Power Partners | St Charles Township, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 GWh | Aug 2019 | Dec 2025 | Solar |
| St. Cloud Hydro | St. Cloud Hydroelectric Generation Facility | St Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 46.0 GWh | May 1988 | Dec 2025 | Water |
| St Croix Falls | Northern States Power Co - Minnesota | St Croix Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 80.0 GWh | Dec 1909 | Dec 2025 | 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) | 2.7 TWh | May 2003 | Aug 2026 | Natural Gas |
| St George Red Rock | City of St George - (UT) | St George, UT | PacifiCorp East (PACE) | 12.0 MWh | Apr 1987 | Dec 2025 | Distillate Fuel Oil |
| Bloomington Solar I | Adapture Renewables, Inc. | St George, UT | PacifiCorp East (PACE) | 4.3 GWh | Nov 2018 | Dec 2025 | Solar |
| Scotch Bonnet Solar, LLC | SunStrong Management | St Helena, NC | Duke Energy Progress East (CPLE) | 6.0 GWh | Nov 2020 | Dec 2025 | Solar |
| St James | City of St James - (MN) | St James, MN | Midcontinent Independent System Operator, Inc. (MISO) | 93.0 MWh | Jun 2002 | Dec 2025 | Distillate Fuel Oil |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.7 TWh | Nov 1979 | Aug 2026 | Subbituminous Coal : 99.7% |
| Lake Road (MO) | Evergy Missouri West | St Joseph, MO | Southwest Power Pool (SWPP) | 47.4 GWh | Jun 1950 | Aug 2026 | Natural Gas : 85.6% Distillate Fuel Oil : 12.1% |
| St Joseph Landfill Generating Station | Evergy Missouri West | St Joseph, MO | Southwest Power Pool (SWPP) | 7.0 GWh | Nov 2011 | Dec 2025 | Landfill Gas |
| Coughlin Power Station | Cleco Power LLC | St Landry, LA | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 TWh | Mar 1961 | Aug 2026 | Natural Gas |
| Trigen St. Louis | Centerstream STL, LLC | St Louis, MO | Midcontinent Independent System Operator, Inc. (MISO) | 15.3 GWh | May 1999 | Aug 2026 | Natural Gas |
| Renewable Energy Center at BJH | Union Electric Co - (MO) | St Louis, MO | Midcontinent Independent System Operator, Inc. (MISO) | 677.0 MWh | Sep 2019 | Apr 2025 | Solar |
| S O Purdom | City of Tallahassee - (FL) | St Marks, FL | City of Tallahassee (TAL) | 1.4 TWh | Nov 1963 | Dec 2025 | Natural Gas |
| Pleasants Energy LLC | Pleasants Energy LLC | St Mary's, WV | PJM Interconnection, LLC (PJM) | 1.8 TWh | Feb 2002 | Aug 2026 | Natural Gas |
| John Hopkins Middle School Microgrid | Duke Energy Florida, LLC | St Petersburg, FL | Duke Energy Florida, Inc. (FPC) | 1.3 GWh | Aug 2023 | Dec 2025 | Solar : 99.7% |
| St. Albans SPEED Project | St. Albans Solar Partners, LLC | St. Albans, VT | ISO New England (ISNE) | 2.0 GWh | Nov 2013 | Dec 2025 | Solar |
| Peterman II | Peterman Solar II, LLC | St. Anne, IL | PJM Interconnection, LLC (PJM) | 3.6 GWh | Apr 2021 | Dec 2025 | Solar |
| Turtle Creek Wind Farm LLC | Turtle Creek Wind Farm LLC | St. Ansgar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 693.6 GWh | Nov 2018 | Aug 2026 | Wind |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |