Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Iron Horse Battery Storage Hybrid | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.7 GWh | Mar 2017 | Dec 2022 | Solar |
| Iron Horse Solar 4, LLC | Iron Horse Solar 4, LLC | North Billerica, MA | ISO New England (ISNE) | 8.3 GWh | May 2017 | Dec 2022 | Solar |
| Iron Horse Solar I CSG | Iron Horse Solar 1, LLC | North Billerica, MA | ISO New England (ISNE) | 4.8 GWh | Nov 2016 | Dec 2022 | Solar |
| Iron Springs Solar, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 198.6 GWh | Jul 2016 | Mar 2024 | Solar |
| Iron Star Wind Project | Engie North America | Dodge City, KS | Southwest Power Pool (SWPP) | 1.3 TWh | Nov 2021 | Mar 2024 | Wind |
| Ironwood LLC | Helix Ironwood LLC | Lebanon, PA | PJM Interconnection, LLC (PJM) | 4.1 TWh | Nov 2001 | Mar 2024 | Natural Gas |
| Ironwood Solar LLC | Altus Power America Management, LLC | Blythe, CA | California Independent System Operator (CISO) | 9.5 GWh | Mar 2012 | Dec 2022 | Solar |
| Ironwood Wind | Duke Energy Renewables Services | Spearville, KS | Southwest Power Pool (SWPP) | 571.9 GWh | Jul 2012 | Dec 2022 | Wind |
| Iroquois Solar 1B LLC CSG | Iroquois Solar 1B LLC | Watseka, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Nov 2020 | Dec 2022 | Solar |
| Irwindale Brew Yard, LLC | Irwindale Brew Yard, LLC | Irwindale, CA | California Independent System Operator (CISO) | 2.8 GWh | Jan 2002 | Mar 2024 | Solar : 99.0% Other Biomass Gas : 1.0% |
| Isabella Hydro Project | Isabella Partners | Lake Isabella, CA | California Independent System Operator (CISO) | 2.4 GWh | Nov 1990 | Dec 2022 | Water |
| Isabella Wind Park | DTE Electric Company | Rosebush, MI | Midcontinent Independent System Operator, Inc. (MISO) | 836.3 GWh | May 2021 | Mar 2024 | Wind |
| ISH Solar Central, LLC | SunEdison LLC | Bayville, NJ | PJM Interconnection, LLC (PJM) | 1.0 GWh | Sep 2011 | Dec 2022 | Solar |
| Island Park | Fall River Rural Elec Coop Inc | Island Park, ID | Bonneville Power Administration (BPAT) | 14.0 GWh | Mar 1994 | Dec 2022 | Water |
| Island Street Peaking Plant | WPPI Energy | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.3 GWh | May 2004 | Dec 2022 | Natural Gas : 95.3% Distillate Fuel Oil : 4.7% |
| ISM Solar Cranston CSG | Nautilus Solar Solutions | Cranston, RI | ISO New England (ISNE) | 4.7 GWh | Nov 2020 | Dec 2022 | Solar |
| ISM Solar Dighton 2, LLC CSG | 38 Degrees North, LLC | Dighton, MA | ISO New England (ISNE) | 4.1 GWh | Nov 2017 | Dec 2022 | Solar |
| ITT Cogen Facility | IIT Energy Tech Partners, LLC | Chicago, IL | PJM Interconnection, LLC (PJM) | 26.6 MWh | Apr 1991 | Dec 2022 | Natural Gas |
| Ivanhoe Solar | Altus Power America Management, LLC | Visalia, CA | California Independent System Operator (CISO) | 6.8 GWh | Dec 2013 | Dec 2022 | Solar |
| Ivanpah 1 | NRG Energy Services | Nipton, CA | California Independent System Operator (CISO) | 241.9 GWh | Nov 2013 | Mar 2024 | Solar : 95.2% Natural Gas : 4.8% |
| Ivanpah 2 | NRG Energy Services | Nipton, CA | California Independent System Operator (CISO) | 212.9 GWh | Nov 2013 | Mar 2024 | Solar : 95.8% Natural Gas : 4.2% |
| Ivanpah 3 | NRG Energy Services | Nipton, CA | California Independent System Operator (CISO) | 192.5 GWh | Nov 2013 | Mar 2024 | Solar : 97.1% Natural Gas : 2.9% |
| IVC Solar | ZGlobal Inc | Imperial, CA | Imperial Irrigation District (IID) | 5.4 GWh | Nov 2016 | Dec 2022 | Solar |
| Ivester Wind Farm | MidAmerican Energy Co | Wellsburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 362.0 GWh | Nov 2018 | Mar 2024 | Wind |
| IXYS - Beverly | IXYS Integrated Circuits Division, LLC | Beverly, MA | ISO New England (ISNE) | 22.4 MWh | Dec 1996 | Dec 2022 | Natural Gas : 74.3% Distillate Fuel Oil : 25.7% |
Summary of Power Plants By State
Figures are based on March 2024 generation numbers.| State | Rank | Active Plants | Mar 2024 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 10,234.42 GWh |
| Alaska | # 47 | 141 | 560.00 GWh |
| Arizona | # 14 | 154 | 7,877.25 GWh |
| Arkansas | # 28 | 71 | 4,497.77 GWh |
| California | # 4 | 1,570 | 15,760.30 GWh |
| Colorado | # 24 | 258 | 4,818.14 GWh |
| Connecticut | # 31 | 149 | 3,760.97 GWh |
| Delaware | # 50 | 29 | 178.12 GWh |
| District of Columbia | # 51 | 11 | 20.24 GWh |
| Florida | # 3 | 276 | 19,176.69 GWh |
| Georgia | # 9 | 221 | 9,959.25 GWh |
| Hawaii | # 46 | 67 | 710.57 GWh |
| Idaho | # 43 | 141 | 1,467.56 GWh |
| Illinois | # 5 | 321 | 14,930.79 GWh |
| Indiana | # 17 | 189 | 7,109.16 GWh |
| Iowa | # 20 | 275 | 6,225.36 GWh |
| Kansas | # 25 | 155 | 4,791.23 GWh |
| Kentucky | # 26 | 52 | 4,520.18 GWh |
| Louisiana | # 16 | 75 | 7,128.52 GWh |
| Maine | # 45 | 125 | 1,177.51 GWh |
| Maryland | # 38 | 167 | 2,642.40 GWh |
| Massachusetts | # 41 | 588 | 1,772.63 GWh |
| Michigan | # 11 | 253 | 8,890.99 GWh |
| Minnesota | # 23 | 703 | 4,951.68 GWh |
| Mississippi | # 30 | 45 | 4,344.19 GWh |
| Missouri | # 27 | 117 | 4,508.42 GWh |
| State | Rank | Active Plants | Mar 2024 Generation |
|---|---|---|---|
| Montana | # 40 | 68 | 2,046.72 GWh |
| Nebraska | # 35 | 119 | 3,185.21 GWh |
| Nevada | # 36 | 105 | 3,175.79 GWh |
| New Hampshire | # 44 | 55 | 1,439.19 GWh |
| New Jersey | # 29 | 353 | 4,487.89 GWh |
| New Mexico | # 34 | 137 | 3,222.57 GWh |
| New York | # 8 | 765 | 10,049.11 GWh |
| North Carolina | # 10 | 877 | 9,748.18 GWh |
| North Dakota | # 32 | 56 | 3,704.72 GWh |
| Ohio | # 6 | 178 | 10,254.31 GWh |
| Oklahoma | # 18 | 128 | 6,757.58 GWh |
| Oregon | # 21 | 256 | 5,644.63 GWh |
| Pennsylvania | # 2 | 233 | 19,994.60 GWh |
| Rhode Island | # 48 | 88 | 497.03 GWh |
| South Carolina | # 15 | 196 | 7,726.34 GWh |
| South Dakota | # 42 | 52 | 1,757.68 GWh |
| Tennessee | # 19 | 84 | 6,443.35 GWh |
| Texas | # 1 | 757 | 40,136.40 GWh |
| Utah | # 39 | 114 | 2,324.02 GWh |
| Vermont | # 49 | 111 | 204.28 GWh |
| Virginia | # 13 | 196 | 8,214.08 GWh |
| Washington | # 12 | 135 | 8,603.60 GWh |
| West Virginia | # 33 | 36 | 3,669.86 GWh |
| Wisconsin | # 22 | 205 | 5,247.05 GWh |
| Wyoming | # 37 | 66 | 3,090.54 GWh |