Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Saint Marys Hospital Power Plant | St Mary's Hospital | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 55.5 GWh | Dec 1970 | Jun 2026 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Gaskell West 1 Solar Facility | Southern Power Co | Lancaster, CA | California Independent System Operator (CISO) | 55.6 GWh | Feb 2018 | Dec 2025 | Solar |
| Sheffield Wind | Evergreen Wind, LLC | Sheffield, VT | ISO New England (ISNE) | 55.6 GWh | Sep 2011 | Jun 2026 | Wind |
| Techren Solar IV LLC | Techren Solar IV LLC | Boulder, NV | Nevada Power Company (NEVP) | 55.6 GWh | Sep 2020 | Jun 2026 | Solar |
| SWM Fuel Cell | Yaphank Fuel Cell Park, LLC | Yaphank, NY | New York Independent System Operator (NYIS) | 55.6 GWh | Nov 2021 | Dec 2024 | Natural Gas |
| Red Horse III | Red Horse III | Wilcox, AZ | Tucson Electric Power (TEPC) | 55.6 GWh | Jun 2016 | Dec 2025 | Solar |
| Georgia LFG Richland Creek Plant | Cube District Energy, LLC | Buford, GA | Southern Company Services, Inc. - Trans (SOCO) | 55.8 GWh | Aug 2016 | Dec 2025 | Landfill Gas |
| Danielson Wind Farms LLC | BEAM US, LLC | Cosmos, MN | Midcontinent Independent System Operator, Inc. (MISO) | 55.9 GWh | Feb 2011 | Dec 2025 | Wind |
| Summer Solar LLC | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 55.9 GWh | Jun 2016 | Dec 2025 | Solar |
| Rhodhiss | Duke Energy Carolinas, LLC | Rhodhiss, NC | Duke Energy Carolinas (DUK) | 55.9 GWh | Jan 1925 | Dec 2025 | Water |
| Locust Ridge | Avangrid Power LLC | Mahanoy City, PA | PJM Interconnection, LLC (PJM) | 55.9 GWh | Feb 2007 | Dec 2025 | Wind |
| Caden Energix Endless Caverns, LLC | Caden Energix Endless Caverns, LLC | New Market, VA | PJM Interconnection, LLC (PJM) | 55.9 GWh | Nov 2023 | Jun 2026 | Solar |
| Potrero Hills Energy Producers | Potrero Hills Energy Producers, LLC | Suisun City, CA | California Independent System Operator (CISO) | 55.9 GWh | Mar 2016 | Dec 2025 | Landfill Gas |
| Bristol Myers Squibb New Brunswick | Bristol-Myers Squibb Co | New Brunswick, NJ | PJM Interconnection, LLC (PJM) | 56.0 GWh | Jun 1992 | Jun 2026 | Natural Gas |
| Burley Butte Windpark | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 56.0 GWh | Jan 2011 | Dec 2025 | Wind |
| Chippewa Falls | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 56.1 GWh | Dec 1927 | Dec 2025 | Water |
| NRG Rockford II Energy Center | Rockford Generation LLC | Rockford, IL | PJM Interconnection, LLC (PJM) | 56.1 GWh | May 2002 | Dec 2025 | Natural Gas |
| Aberdeen CT | NorthWestern Energy - (SD) | Aberdeen, SD | Southwest Power Pool (SWPP) | 56.2 GWh | Apr 1978 | Dec 2025 | Natural Gas |
| Darlington County | Duke Energy Progress - (NC) | Hartsville, SC | Duke Energy Progress East (CPLE) | 56.2 GWh | Jul 1974 | Dec 2025 | Natural Gas : 66.0% Distillate Fuel Oil : 34.0% |
| Athens Energy | Athens Energy, LLC | Athens, ME | ISO New England (ISNE) | 56.3 GWh | Sep 2016 | Dec 2025 | Wood/Wood Waste Solids |
| Thermo No 1 | Thermo No 1 BE 01 LLC | Milford, UT | PacifiCorp East (PACE) | 56.3 GWh | Mar 2013 | Dec 2025 | Geothermal |
| Beardsley | Oakdale&South San Joaquin Irrigation D. | None, CA | California Independent System Operator (CISO) | 56.4 GWh | Apr 1957 | Dec 2025 | Water |
| Webberville Solar Project | FRV AE Solar LLC | Manor, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 56.4 GWh | Nov 2011 | Dec 2025 | Solar |
| Canton Mountain Wind | CPV Canton Mountain Wind LLC | Canton, ME | ISO New England (ISNE) | 56.4 GWh | Oct 2017 | Dec 2025 | Wind |
| 1000 Mile Solar | 1000 Mile Solar, LLC | Plains, TX | Southwest Power Pool (SWPP) | 56.5 GWh | - | Jun 2026 | Solar |
| Long Branch Solar | Tampa Electric Co | Parrish, FL | Tampa Electric Company (TEC) | 56.5 GWh | - | Jun 2026 | Solar |
| Jonesboro City Water & Light Plant | City Water and Light Plant - (AR) | Jonesboro, AR | Midcontinent Independent System Operator, Inc. (MISO) | 56.6 GWh | Jun 1999 | Dec 2025 | Natural Gas : 99.9% |
| Hayhurst New Mexico Solar | Hayhurst New Mexico Solar | Malaga, NM | Southwest Power Pool (SWPP) | 56.6 GWh | Jul 2023 | Dec 2025 | Solar |
| RE Garland A | Southern Power Co | Rosamond, CA | California Independent System Operator (CISO) | 56.7 GWh | Aug 2016 | Dec 2025 | Solar |
| Power County Wind Park South | Power County Wind Park South LLC | American Falls, ID | PacifiCorp East (PACE) | 56.8 GWh | Nov 2011 | Dec 2025 | Wind |
| AES Waikoloa Solar Hybrid | AES Distributed Energy | Waikoloa Village, HI | (HECO) | 56.8 GWh | Mar 2023 | Jun 2026 | Solar |
| Shakopee Energy Park | Minnesota Municipal Power Agny | Shakopee, MN | Midcontinent Independent System Operator, Inc. (MISO) | 56.8 GWh | Jan 2017 | Dec 2025 | Natural Gas |
| Big Spring Wind Power Facility | Terra-Gen Operating Co-Wind | Big Spring, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 56.8 GWh | Nov 1998 | Dec 2025 | Wind |
| Westside Energy Station | Rochester Public Utilities | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 56.9 GWh | Feb 2018 | Dec 2025 | Natural Gas |
| R M Heskett | Montana-Dakota Utilities Co | Mandan, ND | Midcontinent Independent System Operator, Inc. (MISO) | 56.9 GWh | Oct 1954 | Jun 2026 | Natural Gas |
| Weston Hydro | Brookfield White Pine Hydro LLC | Skowhegan, ME | ISO New England (ISNE) | 57.0 GWh | Dec 1919 | Dec 2025 | Water |
| Shirley Wind | Deriva Energy | Denmark, WI | Midcontinent Independent System Operator, Inc. (MISO) | 57.0 GWh | Oct 2010 | Dec 2025 | Wind |
| Slide Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 57.0 GWh | Jun 1951 | Dec 2025 | Water |
| Old Gold Energy Center, LLC | Old Gold Energy Center, LLC | Joice, IA | Midcontinent Independent System Operator, Inc. (MISO) | 57.1 GWh | Sep 2001 | Dec 2025 | Wind |
| Adams Wind Generations LLC | BEAM US, LLC | Cosmos, MN | Midcontinent Independent System Operator, Inc. (MISO) | 57.2 GWh | Feb 2011 | Dec 2025 | Wind |
| Oak Creek Energy Systems I | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 57.3 GWh | May 1982 | Dec 2025 | Wind |
| Alpaugh 50 | RWE Clean Energy | Alpaugh, CA | California Independent System Operator (CISO) | 57.3 GWh | Nov 2012 | Dec 2025 | Solar |
| Coventry Clean Energy Corporation | Washington Electric Coop - (VT) | Coventry, VT | ISO New England (ISNE) | 57.4 GWh | Jun 2005 | Dec 2025 | Landfill Gas |
| Buffalo Bill | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 57.5 GWh | Aug 1992 | Dec 2025 | Water |
| Elm City Solar Facility | Duke Energy Progress - (NC) | Elm City, NC | Duke Energy Progress East (CPLE) | 57.5 GWh | Feb 2016 | Dec 2025 | Solar |
| P66 Rodeo Solar | P66 Rodeo Solar | Rodeo, CA | California Independent System Operator (CISO) | 57.5 GWh | Mar 2023 | Jun 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% |
| Kalkaska CT #1 | Michigan Public Power Agency | Kalkaska, MI | Midcontinent Independent System Operator, Inc. (MISO) | 57.6 GWh | Nov 2002 | Dec 2025 | Natural Gas |
| San Diego State University | San Diego State University | San Diego, CA | California Independent System Operator (CISO) | 57.6 GWh | Aug 2002 | Jun 2026 | Natural Gas : 97.4% Solar : 2.6% |
| Graceland Solar, LLC | RWE Clean Energy | Millington, TN | Tennessee Valley Authority (TVA) | 57.7 GWh | - | Jun 2026 | Solar |
| Ho'Ohana Solar 1 | Ho'Ohana Solar 1 LLC | Waipahu, HI | (HECO) | 57.8 GWh | Jun 2025 | Jun 2026 | Solar |
| Pine Tree Acres | NextEra Renewable Fuels, LLC | Lenox Twp, MI | Midcontinent Independent System Operator, Inc. (MISO) | 57.8 GWh | May 1998 | Jun 2026 | Landfill Gas |
| TA-High Desert LLC | TA-High Desert LLC | Lancaster, CA | California Independent System Operator (CISO) | 57.9 GWh | Feb 2013 | Dec 2025 | Solar |
| Rockhound A | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 57.9 GWh | - | Jun 2026 | Solar |
| Fredonia (WA) | Puget Sound Energy Inc | Mt Vernon, WA | Puget Sound Energy, Inc. (PSEI) | 57.9 GWh | Apr 1984 | Jun 2026 | Natural Gas : 96.8% Distillate Fuel Oil : 3.2% |
| Prairie Creek Solar | Sol Systems | Jacksonville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 57.9 GWh | Oct 2023 | Jun 2026 | Solar |
| Puna | Hawaii Electric Light Co Inc | Keaau, HI | 58.1 GWh | Jul 1988 | Dec 2025 | Distillate Fuel Oil : 81.2% Residual Fuel Oil : 18.8% | |
| Winchester Power Park | Lower Colorado River Authority | Winchester, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 58.1 GWh | Apr 2010 | Dec 2025 | Natural Gas |
| Jersey Valley Geothermal Power Plant | Ormat Nevada Inc | Imlay, NV | Nevada Power Company (NEVP) | 58.1 GWh | Nov 2010 | Dec 2025 | Geothermal |
| Forks of Butte Hydro Project | Hypower Energy, LLC | Magalia, CA | California Independent System Operator (CISO) | 58.2 GWh | Feb 1992 | Dec 2025 | Water |
| Salmon Falls Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 58.3 GWh | Mar 2011 | Dec 2025 | Wind |
| Cunningham Solar I & BESS | Southwestern Public Service Co | Hobbs, NM | Southwest Power Pool (SWPP) | 58.3 GWh | - | Jun 2026 | Solar |
| RB Inyokern Solar WDAT 1203 (CSG) | Dimension Energy LLC | Ridgecrest, CA | California Independent System Operator (CISO) | 58.3 GWh | Nov 2024 | Dec 2025 | Solar |
| DTE Atlantic, LLC | DTE Atlantic, LLC | Atlantic City, NJ | PJM Interconnection, LLC (PJM) | 58.3 GWh | Nov 2010 | Dec 2025 | Natural Gas |
| Gillette SBMC | The Gillette Company | Boston, MA | ISO New England (ISNE) | 58.4 GWh | Jan 1971 | Jun 2026 | Natural Gas |
| Suwannee River | Duke Energy Florida, LLC | Live Oak, FL | Duke Energy Florida, Inc. (FPC) | 58.5 GWh | Oct 1953 | Dec 2025 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| Blount Street | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 58.6 GWh | May 1957 | Dec 2025 | Natural Gas |
| Georgia-Pacific Taylorsville Plywood | Georgia-Pacific Wood Products LLC | Taylorsville, MS | Southern Company Services, Inc. - Trans (SOCO) | 58.7 GWh | Jun 2018 | Dec 2025 | Natural Gas |
| Bison Solar LLC | Bison Solar LLC | Wellington, CO | Public Service Company of Colorado (PSCO) | 58.7 GWh | Sep 2016 | Jun 2026 | Solar |
| Yahoo Creek | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 58.8 GWh | Nov 2010 | Dec 2025 | Wind |
| Edwards Sanborn E3 | Terra-Gen Operating Co-Hybrid | Mojave, CA | California Independent System Operator (CISO) | 58.8 GWh | Nov 2021 | Jun 2026 | Solar |
| Lost Hills/Blackwell | Southern Power Co | Lost Hills, CA | California Independent System Operator (CISO) | 58.9 GWh | Mar 2015 | Dec 2025 | Solar |
| Lawrence Hydroelectric Associates | Central Rivers Power US, LLC | Lawrence, MA | ISO New England (ISNE) | 58.9 GWh | Jun 1981 | Dec 2025 | Water |
| Mililani South Solar Farm | Mililani I Solar LLC | Mililani, HI | 58.9 GWh | Jun 2022 | Jun 2026 | Solar | |
| Camp Reed | Idaho Wind Partners 1 LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 59.0 GWh | Nov 2010 | Dec 2025 | Wind |
| Wind Park Bear Creek | Leeward Asset Management, LLC | Bear Creek, PA | PJM Interconnection, LLC (PJM) | 59.1 GWh | Feb 2006 | Jun 2026 | Wind |
| Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 59.2 GWh | Dec 1897 | Dec 2025 | Water |
| Phelps Dodge Refining | Phelps Dodge Refining Corp | El Paso, TX | El Paso Electric Company (EPE) | 59.2 GWh | Sep 1986 | Dec 2025 | Natural Gas |
| Vandalia Renewable Energy Center | Union Electric Co - (MO) | Vandalia, MO | Midcontinent Independent System Operator, Inc. (MISO) | 59.2 GWh | Oct 2025 | Jun 2026 | Solar |
| Payne's Ferry | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 59.2 GWh | Nov 2010 | Dec 2025 | Wind |
| Twin Falls Hydro | Central Rivers Power US, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 59.3 GWh | Nov 1989 | Dec 2025 | Water |
| Adelanto Solar, LLC | Adelanto Solar, LLC | Adelanto, CA | California Independent System Operator (CISO) | 59.3 GWh | Aug 2015 | Dec 2025 | Solar |
| NE Renewable Whitefield, LLC | NE Renewable Whitefield, LLC | Whitefield, NH | ISO New England (ISNE) | 59.3 GWh | Feb 1988 | Dec 2025 | Wood/Wood Waste Solids |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 59.6 GWh | Apr 2011 | Jun 2026 | Natural Gas |
| Peony Solar | SunStrong Management | Springfield, SC | Dominion Energy South Carolina, Inc. (SCEG) | 59.7 GWh | Nov 2018 | Jun 2026 | Solar |
| Thorpe | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 59.8 GWh | Sep 1941 | Dec 2025 | Water |
| International Falls Power | Boise White Paper LLC | International Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 60.0 GWh | Dec 1923 | Jun 2026 | Water |
| Equus Freeport Power | Equus Power I, L.P. | Village of Freeport, NY | New York Independent System Operator (NYIS) | 60.1 GWh | May 2004 | Dec 2025 | Natural Gas : 99.6% |
| Loma Linda University Cogen | Loma Linda University | Loma Linda, CA | California Independent System Operator (CISO) | 60.2 GWh | Jan 1980 | Jun 2026 | 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 |
| Concord Energy | Concord Energy LLC | Concord, NC | Duke Energy Carolinas (DUK) | 60.3 GWh | Jan 2012 | Jun 2026 | Landfill Gas |
| Gulf Coast Solar Center I | Arevon Energy, Inc. | Valparaiso, FL | Southern Company Services, Inc. - Trans (SOCO) | 60.3 GWh | May 2017 | Jun 2026 | Solar |
| J P Priest | USCE-Nashville District | Nashville, TN | Tennessee Valley Authority (TVA) | 60.4 GWh | Jan 1970 | Dec 2025 | Water |
| Post Falls | Avista Corp | Post Falls, ID | Avista Corporation (AVA) | 60.4 GWh | Jun 1906 | Dec 2025 | Water |
| Redfield Solar | Redfield PV I, LLC | Sheridan, AR | Midcontinent Independent System Operator, Inc. (MISO) | 60.4 GWh | - | Jun 2026 | Solar |
| Warm Springs Power Enterprises | Warm Springs Power Enterprises | Warm Springs, OR | PacifiCorp West (PACW) | 60.5 GWh | May 1982 | Dec 2024 | Water |
| San Luis Valley Solar Ranch | Avangrid Power LLC | Mosca, CO | Public Service Company of Colorado (PSCO) | 60.7 GWh | Nov 2011 | Jun 2026 | Solar |
| Clinton Solar (OH) | Clinton Solar (OH) LLC | Martinsville, OH | PJM Interconnection, LLC (PJM) | 60.7 GWh | Sep 2025 | Jun 2026 | Solar |
| Little Quinnesec Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Niagara, WI | Midcontinent Independent System Operator, Inc. (MISO) | 60.8 GWh | Nov 1900 | Dec 2025 | Water |
| Eddystone Generating Station | Constellation Power, Inc | Eddystone, PA | PJM Interconnection, LLC (PJM) | 60.8 GWh | Apr 1967 | Dec 2024 | Natural Gas : 81.6% Distillate Fuel Oil : 18.4% |
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 |