Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Big Quinnesec 61 | Wisconsin Electric Power Co | Iron Mountain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Apr 1914 | Dec 2024 | Water |
| Big Quinnesec 92 | Wisconsin Electric Power Co | Iron Mountain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 89.1 GWh | Oct 1949 | Dec 2024 | Water |
| Grandfather Falls | Wisconsin Public Service Corp | Irma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 80.4 GWh | Nov 1938 | Dec 2024 | Water |
| NWP Indian Mesa Wind Farm | NWP Indian Mesa Wind Farm LP | Iraan, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 205.6 GWh | Apr 2001 | Dec 2024 | Wind |
| Desert Sky | Desert Sky Wind Farm LP | Iraan, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 496.7 GWh | Dec 2001 | Dec 2024 | Wind |
| Ranchero Wind Farm LLC | Ranchero Wind Farm LLC | Iraan, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.2 TWh | Aug 2019 | Sep 2025 | Wind |
| Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 1.5 GWh | Apr 2011 | Dec 2024 | Wind |
| High Street Station | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 197.0 MWh | May 1937 | Dec 2024 | Natural Gas : 91.9% Distillate Fuel Oil : 8.1% |
| Whispering Willow Wind Farm - East | Interstate Power and Light Co | Iowa Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 425.2 GWh | Nov 2009 | Dec 2024 | Wind |
| Franklin County Wind Farm | Interstate Power and Light Co | Iowa Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 190.7 GWh | Nov 2012 | Dec 2024 | Wind |
| Johnson County Hills Solar | MidAmerican Energy Co | Iowa City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Dec 2021 | Dec 2024 | Solar |
| University of Iowa Main Power Plant | University of Iowa | Iowa City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Dec 1946 | Sep 2024 | Natural Gas : 51.7% Other Biomass Solids : 19.1% Wood/Wood Waste Solids : 18.4% Bituminous Coal : 10.8% |
| Box Canyon | PUD No 1 of Pend Oreille County | Ione, WA | Avista Corporation (AVA) | 464.1 GWh | May 1955 | Dec 2024 | Water |
| Horse Butte Wind I, LLC | Utah Associated Mun Power Sys | Iona, ID | Bonneville Power Administration (BPAT) | 167.4 GWh | Jul 2012 | Dec 2024 | Wind |
| Blue Jay Solar I, LLC | Blue Jay Solar I, LLC | Iola, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 445.6 GWh | May 2023 | Sep 2025 | Solar |
| Iola | City of Iola - (KS) | Iola, KS | Southwest Power Pool (SWPP) | 563.0 MWh | Apr 1969 | Dec 2024 | Natural Gas : 89.6% Distillate Fuel Oil : 10.4% |
| Coso Finance Partners | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 370.1 GWh | Jun 1987 | Sep 2025 | Geothermal |
| Coso Power Developers | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 299.2 GWh | Oct 1989 | Sep 2025 | Geothermal |
| Coso Energy Developers | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 244.2 GWh | Nov 1988 | Dec 2024 | Geothermal |
| Inver Hills | Northern States Power Co - Minnesota | Inver Grove Heights, MN | Midcontinent Independent System Operator, Inc. (MISO) | 64.2 GWh | Mar 1972 | Dec 2024 | Natural Gas : 99.7% |
| Boise Cascade International Falls | Boise White Paper LLC | International Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 337.8 GWh | Dec 1926 | Sep 2025 | Black Liquor : 63.8% Natural Gas : 22.3% Wood/Wood Waste Solids : 12.5% Sludge Waste : 1.3% |
| International Falls Power | Boise White Paper LLC | International Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 47.5 GWh | Dec 1923 | Sep 2025 | Water |
| Green Lake Solar | Heritage Sustainable Energy. LLC | Interlochen, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Sep 2018 | Dec 2024 | Solar |
| Twin Lakes | Florida Power & Light Co | Interlachen, FL | Florida Power & Light Co. (FPL) | 117.8 GWh | Dec 2019 | Sep 2025 | Solar |
| Intercession City | Duke Energy Florida, LLC | Intercession City, FL | Duke Energy Florida, Inc. (FPC) | 239.2 GWh | Apr 1974 | Sep 2025 | Natural Gas : 93.2% Distillate Fuel Oil : 6.8% |
| Cane Island | Kissimmee Utility Authority | Intercession City, FL | Florida Municipal Power Pool (FMPP) | 4.0 TWh | Oct 1994 | Sep 2025 | Natural Gas |
| Ballenger Road Solar A | Ballenger Road Solar A | Inman, SC | Duke Energy Carolinas (DUK) | 3.6 GWh | Nov 2020 | Dec 2024 | Solar |
| Grand Rapids | Wisconsin Public Service Corp | Ingalls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 31.9 GWh | May 1918 | Dec 2024 | Water |
| Walnut Creek Energy Park | Walnut Creek LLC | Industry, CA | California Independent System Operator (CISO) | 63.2 GWh | Mar 2013 | Sep 2025 | Natural Gas |
| Industry MetroLink PV 1 | City of Industry | Industry, CA | California Independent System Operator (CISO) | 1.1 GWh | Mar 2012 | Dec 2024 | Solar |
| Valley Sanitary District WTP Solar | Tesla Inc. | Indio, CA | Los Angeles Department of Water and Power (LDWP) | 1.4 GWh | Nov 2016 | Dec 2024 | Solar |
| Martin | Florida Power & Light Co | Indiantown, FL | Florida Power & Light Co. (FPL) | 8.2 TWh | Nov 1980 | Sep 2025 | Natural Gas |
| Harvest Gold Solar | Harvest Gold Solar Power, LLC | Indianola, MS | Midcontinent Independent System Operator, Inc. (MISO) | 192.6 GWh | Jul 2024 | Sep 2025 | Solar |
| Indianola | Indianola Municipal Utilities | Indianola, IA | Midcontinent Independent System Operator, Inc. (MISO) | 446.0 MWh | Dec 1965 | Dec 2024 | Distillate Fuel Oil |
| Harding Street | AES Indiana | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 TWh | May 1958 | Sep 2025 | Natural Gas |
| CC Perry K | Citizens Thermal Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1924 | Sep 2025 | Natural Gas |
| Georgetown | AES Indiana | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 466.1 GWh | May 2000 | Dec 2024 | Natural Gas |
| M. G. Emmett J. Bean Federal Center | U.S. General Services Administration | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 519.0 MWh | Mar 2011 | Dec 2024 | Solar |
| Indy Solar II, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 15.5 GWh | Nov 2013 | Sep 2025 | Solar |
| Indy Solar III, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 13.4 GWh | Nov 2013 | Sep 2025 | Solar |
| Indy Solar I, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 16.0 GWh | Nov 2013 | Sep 2025 | Solar |
| IND Community Solar Farm 1st Phase | Terraform Arcadia | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 13.7 GWh | Oct 2013 | Dec 2024 | Solar |
| Belmont | Marion Solar LLC | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 5.2 GWh | Oct 2015 | Dec 2024 | Solar |
| Duke Building 129 | Concord New Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | Nov 2014 | Dec 2024 | Solar |
| Marion Solar LNG | Marion Solar LLC | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2015 | Dec 2024 | Solar |
| Rockville Solar II, LLC | Greenbacker Renewable Energy Corporation | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 812.0 MWh | Jul 2014 | Dec 2024 | Solar |
| Lenape II | Lenape Solar II, LLC | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Oct 2015 | Dec 2024 | Solar |
| Duke Building 98 | Concord New Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Nov 2014 | Dec 2024 | Solar |
| Rockville Solar I LLC | Greenbacker Renewable Energy Corporation | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 GWh | Mar 2014 | Dec 2024 | Solar |
| Indianapolis Motor Speedway Solar PV | Boralex US Operations LLC | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 12.7 GWh | May 2014 | Dec 2024 | Solar |
| IND Solar Farm (Phase IIA) | Terraform Arcadia | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 9.8 GWh | Nov 2014 | Dec 2024 | Solar |
| Duke Building 87 | Concord New Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 GWh | Nov 2014 | Dec 2024 | Solar |
| Maywood Photovoltaic Project | ENI New Energy US Inc | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 11.5 GWh | Feb 2014 | Dec 2024 | Solar |
| Indy Grocers | Terraform Arcadia | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 GWh | May 2015 | Dec 2024 | Solar |
| INDY III | Terraform Arcadia | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 GWh | Jul 2015 | Dec 2024 | Solar |
| Indiana University of Pennsylvania | Indiana University of Penn | Indiana, PA | PJM Interconnection, LLC (PJM) | 18.1 GWh | Feb 1988 | Sep 2025 | Natural Gas : 96.8% Distillate Fuel Oil : 3.2% |
| Masspower | Masspower | Indian Orchard, MA | ISO New England (ISNE) | 475.7 GWh | Jun 1993 | Dec 2024 | Natural Gas |
| Indian Orchard | Central Rivers Power MA, LLC | Indian Orchard, MA | ISO New England (ISNE) | 6.3 GWh | Dec 1927 | Dec 2024 | Water |
| Independence Road (CSG) | AETS OpCo Holdings LLC | Independence, NY | New York Independent System Operator (NYIS) | 26.0 MWh | Oct 2024 | Dec 2024 | Solar |
| Independence East | AETS OpCo Holdings LLC | Independence, NY | New York Independent System Operator (NYIS) | 238.0 MWh | Jun 2024 | Dec 2024 | Solar |
| Station I | City of Independence - (MO) | Independence, MO | Southwest Power Pool (SWPP) | 3.2 GWh | May 1972 | Dec 2024 | Distillate Fuel Oil |
| Station H | City of Independence - (MO) | Independence, MO | Southwest Power Pool (SWPP) | 15.1 GWh | May 1972 | Dec 2024 | Natural Gas : 93.3% Distillate Fuel Oil : 6.7% |
| Jackson Square | City of Independence - (MO) | Independence, MO | Southwest Power Pool (SWPP) | 699.0 MWh | May 1969 | Dec 2024 | Distillate Fuel Oil |
| Independence Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 4.6 GWh | Feb 2017 | Sep 2025 | Solar |
| Independence II Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 14.4 GWh | May 2018 | Sep 2025 | Solar |
| IVC Solar | Imperial Irrigation District | Imperial, CA | Imperial Irrigation District (IID) | 4.2 GWh | Nov 2016 | Dec 2024 | Solar |
| SEPV Imperial Dixieland East | AES Distributed Energy | Imperial, CA | Imperial Irrigation District (IID) | 4.2 GWh | Nov 2016 | Dec 2024 | Solar |
| SEPV Imperial Dixieland West | AES Distributed Energy | Imperial, CA | Imperial Irrigation District (IID) | 7.8 GWh | Nov 2016 | Dec 2024 | Solar |
| Valencia 2 | Greenbacker Renewable Energy Corporation | Imperial, CA | Imperial Irrigation District (IID) | 3.9 GWh | Nov 2020 | Dec 2024 | Solar |
| Valencia 3 | Greenbacker Renewable Energy Corporation | Imperial, CA | Imperial Irrigation District (IID) | 6.6 GWh | Mar 2021 | Dec 2024 | Solar |
| Immokalee | Florida Power & Light Co | Immokalee, FL | Florida Power & Light Co. (FPL) | 153.7 GWh | Dec 2021 | Sep 2025 | Solar |
| Star Peak Geothermal Plant | Star Peak Geothermal LLC. | Imlay, NV | Nevada Power Company (NEVP) | 39.6 GWh | Jul 2022 | Dec 2024 | Geothermal |
| Jersey Valley Geothermal Power Plant | Ormat Nevada Inc | Imlay, NV | Nevada Power Company (NEVP) | 60.9 GWh | Nov 2010 | Dec 2024 | Geothermal |
| Newhalen | I-N-N Electric Coop, Inc | Iliamna, AK | 3.2 GWh | Aug 1998 | Dec 2024 | Water : 99.1% Distillate Fuel Oil : 0.9% | |
| Toketee Falls | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 184.1 GWh | Nov 1949 | Dec 2024 | Water |
| Soda Springs | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 48.9 GWh | Feb 1952 | Dec 2024 | Water |
| Slide Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 62.8 GWh | Jun 1951 | Dec 2024 | Water |
| Clearwater 1 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 32.2 GWh | May 1953 | Dec 2024 | Water |
| Clearwater 2 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 34.7 GWh | Oct 1953 | Dec 2024 | Water |
| Fish Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 31.7 GWh | May 1952 | Dec 2024 | Water |
| Lemolo 1 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 105.2 GWh | Jun 1955 | Dec 2024 | Water |
| City Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 40.4 GWh | Jun 1982 | Dec 2024 | Water |
| Lower No 2 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 5.4 GWh | Jul 1940 | Oct 2024 | Water |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 108.5 GWh | Oct 1988 | Dec 2024 | Water |
| Upper Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 44.9 GWh | Aug 1982 | Dec 2024 | Water |
| Wolverine Creek | Invenergy Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 163.5 GWh | Jan 2006 | Dec 2024 | Wind |
| Lower No 1 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 38.9 GWh | Mar 1982 | Dec 2024 | Water |
| Goshen Phase II | AE Power Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 369.2 GWh | Aug 2010 | Dec 2024 | Wind |
| Meadow Creek Project Company | Ridgeline Energy LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 325.0 GWh | Nov 2012 | Dec 2024 | Wind |
| Ida Grove Wind | MidAmerican Energy Co | Ida Grove, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Aug 2016 | Dec 2024 | Wind |
| Ida Grove II | MidAmerican Energy Co | Ida Grove, IA | Midcontinent Independent System Operator, Inc. (MISO) | 711.5 GWh | Nov 2019 | Sep 2025 | Wind |
| Hyder II Hybrid | Arizona Public Service Co | Hyder, AZ | Arizona Public Service Company (AZPS) | 32.5 GWh | Nov 2013 | Dec 2024 | Solar |
| Hyder Solar Hybrid | Arizona Public Service Co | Hyder, AZ | Arizona Public Service Company (AZPS) | 35.3 GWh | Oct 2011 | Dec 2024 | Solar |
| W K Sanders | Village of Morrisville - (VT) | Hyde Park, VT | ISO New England (ISNE) | 548.0 MWh | Jun 1983 | Dec 2024 | Water |
| Cream Street Solar | Cream Street Solar, LLC | Hyde Park, NY | ISO New England (ISNE) | 3.7 GWh | Nov 2020 | Dec 2024 | Solar |
| Lightstar Renewables - Project 1001 | Distributed Solar Development, LLC | Hyde Park, NY | New York Independent System Operator (NYIS) | 5.5 GWh | Nov 2021 | Dec 2024 | Solar |
| Lightstar Renewables - Project 1002 | Distributed Solar Development, LLC | Hyde Park, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Nov 2021 | Dec 2024 | Solar |
| Hiilangaay Hydro | Haida Energy, Inc. | Hydaburg, AK | 4.4 GWh | Dec 2020 | Dec 2024 | Water | |
| Sheriff Road | Sheriff Rd Solar LLC | Hyattsville, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Mar 2020 | Dec 2023 | Solar |
| Big Creek Water Works | Big Creek Water Works Ltd | Hyampom, CA | California Independent System Operator (CISO) | 11.5 GWh | Dec 1986 | May 2025 | Water |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |