Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Iowa Lakes Community College Wind Farm | Iowa Lakes Community College | Estherville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Jan 2005 | Mar 2025 | Wind |
| Iowa Lakes Superior Wind Farm | Iowa Lakes Electric Coop | Superior, IA | Southwest Power Pool (SWPP) | 34.8 GWh | Mar 2009 | Dec 2023 | Wind |
| Iowa State University | Iowa State University | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 83.2 GWh | Sep 1960 | Mar 2025 | Natural Gas |
| IP Radian, LLC | IP Radian, LLC | Brookesmith, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 632.3 GWh | Apr 2023 | Mar 2025 | Solar |
| IP Springfield Oregon | International Paper Corporation - Springfield | Springfield, OR | Bonneville Power Administration (BPAT) | 91.2 GWh | Dec 1948 | Dec 2023 | Black Liquor : 74.1% Natural Gas : 25.9% |
| Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2011 | Dec 2023 | Wind |
| IRE Solar I, LLC | Scotch Settlement | Gouverneur, NY | New York Independent System Operator (NYIS) | 1.5 GWh | Nov 2017 | Dec 2023 | Solar |
| Iredell County LFG Facility | Iredell Transmission LLC | Statesville, NC | Duke Energy Carolinas (DUK) | 25.2 GWh | Jul 2008 | Dec 2023 | Landfill Gas |
| Iris Solar LLC | Iris Solar LLC | Franklinton, LA | Midcontinent Independent System Operator, Inc. (MISO) | 109.4 GWh | Sep 2022 | Mar 2025 | Solar |
| Iris Solar, LLC (MN) | National Grid Renewables | Nicollet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2020 | Dec 2023 | Solar |
| Irish Creek Wind | Irish Creek Wind, LLC | Frankfort, KS | Southwest Power Pool (SWPP) | 949.9 GWh | Nov 2021 | Mar 2025 | Wind |
| Iron Gate | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 81.5 GWh | Jan 1962 | Dec 2023 | Water |
| Iron Horse Battery Storage Hybrid | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 4.6 GWh | Mar 2017 | Dec 2023 | Solar |
| Iron Horse Solar 4, LLC | Iron Horse Solar 4, LLC | North Billerica, MA | ISO New England (ISNE) | 7.4 GWh | May 2017 | Dec 2023 | Solar |
| Iron Horse Solar I CSG | Iron Horse Solar 1, LLC | North Billerica, MA | ISO New England (ISNE) | 4.1 GWh | Nov 2016 | Dec 2023 | Solar |
| Iron Springs Solar, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 219.3 GWh | Jul 2016 | Mar 2025 | Solar |
| Iron Star Wind Project | Engie North America | Dodge City, KS | Southwest Power Pool (SWPP) | 1.3 TWh | Nov 2021 | Mar 2025 | Wind |
| Ironwood LLC | Helix Ironwood LLC | Lebanon, PA | PJM Interconnection, LLC (PJM) | 4.9 TWh | Nov 2001 | Mar 2025 | Natural Gas |
| Ironwood Solar LLC | Altus Power America Management, LLC | Blythe, CA | California Independent System Operator (CISO) | 8.2 GWh | Mar 2012 | Dec 2023 | Solar |
| Ironwood Wind | Duke Energy Renewables Services | Spearville, KS | Southwest Power Pool (SWPP) | 514.3 GWh | Jul 2012 | Dec 2023 | Wind |
| Iroquois Solar 1B LLC CSG | Iroquois Solar 1B LLC | Watseka, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Nov 2020 | Dec 2023 | Solar |
| Irwindale Brew Yard, LLC | Irwindale Brew Yard, LLC | Irwindale, CA | California Independent System Operator (CISO) | 576.0 MWh | Jan 2002 | Mar 2025 | Solar : 99.8% |
| Isabella Hydro Project | Isabella Partners | Lake Isabella, CA | California Independent System Operator (CISO) | 3.2 GWh | Nov 1990 | Mar 2023 | Water |
| Isabella Wind Park | DTE Electric Company | Rosebush, MI | Midcontinent Independent System Operator, Inc. (MISO) | 917.2 GWh | May 2021 | Mar 2025 | Wind |
| ISH Solar Central, LLC | SunEdison LLC | Bayville, NJ | PJM Interconnection, LLC (PJM) | 1.5 GWh | Sep 2011 | Dec 2023 | Solar |
| Island Park | Fall River Rural Elec Coop Inc | Island Park, ID | Bonneville Power Administration (BPAT) | 16.3 GWh | Mar 1994 | Dec 2023 | Water |
| Island Street Peaking Plant | WPPI Energy | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 GWh | May 2004 | Dec 2023 | Natural Gas : 99.9% |
| ISM Solar Cranston CSG | Nautilus Solar Solutions | Cranston, RI | ISO New England (ISNE) | 4.2 GWh | Nov 2020 | Dec 2023 | Solar |
| ISM Solar Dighton 2, LLC CSG | 38 Degrees North, LLC | Dighton, MA | ISO New England (ISNE) | 3.7 GWh | Nov 2017 | Dec 2023 | Solar |
| ITT Cogen Facility | IIT Energy Tech Partners, LLC | Chicago, IL | PJM Interconnection, LLC (PJM) | 15.7 MWh | Apr 1991 | Dec 2022 | Natural Gas |
| Ivanhoe Generation Facility | Orion Engineered Carbons | Franklin, LA | Midcontinent Independent System Operator, Inc. (MISO) | 32.9 GWh | Mar 2023 | Dec 2023 | Waste Heat |
| Ivanhoe Solar | Altus Power America Management, LLC | Visalia, CA | California Independent System Operator (CISO) | 5.1 GWh | Dec 2013 | Dec 2023 | Solar |
| Ivanpah 1 | NRG Energy Services | Nipton, CA | California Independent System Operator (CISO) | 188.7 GWh | Nov 2013 | Mar 2025 | Solar : 95.9% Natural Gas : 4.1% |
| Ivanpah 2 | NRG Energy Services | Nipton, CA | California Independent System Operator (CISO) | 283.1 GWh | Nov 2013 | Mar 2025 | Solar : 95.8% Natural Gas : 4.2% |
| Ivanpah 3 | NRG Energy Services | Nipton, CA | California Independent System Operator (CISO) | 270.2 GWh | Nov 2013 | Mar 2025 | Solar : 96.1% Natural Gas : 3.9% |
| IVC Solar | Imperial Irrigation District | Imperial, CA | Imperial Irrigation District (IID) | 3.7 GWh | Nov 2016 | Dec 2023 | Solar |
| Ivester Wind Farm | MidAmerican Energy Co | Wellsburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 347.9 GWh | Nov 2018 | Mar 2025 | Wind |
| IXYS - Beverly | IXYS Integrated Circuits Division, LLC | Beverly, MA | ISO New England (ISNE) | 23.0 MWh | Dec 1996 | Dec 2023 | Distillate Fuel Oil : 58.5% Natural Gas : 41.5% |
Summary of Power Plants By State
Figures are based on March 2025 generation numbers.| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,399.45 GWh |
| Alaska | # 48 | 137 | 460.30 GWh |
| Arizona | # 16 | 167 | 7,756.35 GWh |
| Arkansas | # 29 | 81 | 4,503.48 GWh |
| California | # 5 | 1,596 | 15,306.94 GWh |
| Colorado | # 30 | 265 | 4,337.74 GWh |
| Connecticut | # 31 | 152 | 3,831.37 GWh |
| Delaware | # 50 | 31 | 183.34 GWh |
| District of Columbia | # 51 | 12 | 15.27 GWh |
| Florida | # 3 | 304 | 18,686.61 GWh |
| Georgia | # 9 | 241 | 9,979.52 GWh |
| Hawaii | # 46 | 67 | 749.10 GWh |
| Idaho | # 43 | 146 | 1,488.21 GWh |
| Illinois | # 4 | 338 | 15,592.21 GWh |
| Indiana | # 12 | 203 | 8,849.97 GWh |
| Iowa | # 20 | 281 | 6,323.45 GWh |
| Kansas | # 25 | 157 | 5,176.23 GWh |
| Kentucky | # 24 | 57 | 5,180.56 GWh |
| Louisiana | # 18 | 81 | 6,708.43 GWh |
| Maine | # 45 | 159 | 1,313.29 GWh |
| Maryland | # 39 | 181 | 2,427.73 GWh |
| Massachusetts | # 42 | 599 | 1,608.56 GWh |
| Michigan | # 10 | 268 | 9,898.87 GWh |
| Minnesota | # 26 | 740 | 5,082.27 GWh |
| Mississippi | # 19 | 55 | 6,374.07 GWh |
| Missouri | # 21 | 118 | 5,776.95 GWh |
| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 69 | 2,309.70 GWh |
| Nebraska | # 37 | 119 | 3,008.88 GWh |
| Nevada | # 34 | 109 | 3,381.98 GWh |
| New Hampshire | # 44 | 56 | 1,374.49 GWh |
| New Jersey | # 28 | 375 | 4,514.07 GWh |
| New Mexico | # 35 | 140 | 3,378.20 GWh |
| New York | # 8 | 830 | 10,278.94 GWh |
| North Carolina | # 11 | 880 | 9,080.20 GWh |
| North Dakota | # 33 | 57 | 3,690.67 GWh |
| Ohio | # 6 | 191 | 11,252.37 GWh |
| Oklahoma | # 17 | 131 | 6,972.70 GWh |
| Oregon | # 22 | 260 | 5,543.74 GWh |
| Pennsylvania | # 2 | 240 | 19,658.43 GWh |
| Rhode Island | # 47 | 95 | 622.24 GWh |
| South Carolina | # 14 | 198 | 8,606.12 GWh |
| South Dakota | # 41 | 52 | 1,945.10 GWh |
| Tennessee | # 23 | 84 | 5,241.09 GWh |
| Texas | # 1 | 821 | 43,194.33 GWh |
| Utah | # 36 | 119 | 3,056.84 GWh |
| Vermont | # 49 | 112 | 230.44 GWh |
| Virginia | # 15 | 215 | 8,465.83 GWh |
| Washington | # 13 | 137 | 8,662.62 GWh |
| West Virginia | # 38 | 36 | 2,977.95 GWh |
| Wisconsin | # 27 | 222 | 4,571.79 GWh |
| Wyoming | # 32 | 73 | 3,817.24 GWh |