Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| LL Scranton PA | Madison Energy Investments LLC | Scranton, PA | PJM Interconnection, LLC (PJM) | 1.0 GWh | Feb 2024 | Dec 2025 | Solar |
| Waterboro | Madison Energy Investments LLC | East Waterboro, ME | ISO New England (ISNE) | 3.3 GWh | Jun 2023 | Dec 2024 | Solar |
| DIVOCSG 11 - Sherburne | Madison Energy Investments LLC | Clear Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 713.0 MWh | May 2024 | Dec 2025 | Solar |
| Amazon Visalia (FAT2) | Madison Energy Investments LLC | Visalia, CA | California Independent System Operator (CISO) | 3.7 GWh | Feb 2023 | Dec 2025 | Solar |
| 15 Lincoln | Madison Energy Investments LLC | Norfolk, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2022 | Dec 2025 | Solar |
| North Stafford HS | Madison Energy Investments LLC | Stafford, VA | PJM Interconnection, LLC (PJM) | 2.1 GWh | Aug 2023 | Dec 2025 | Solar |
| Cromwell | Madison Energy Investments LLC | Glen Burnie, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2024 | Dec 2025 | Solar |
| Allentown - Ruppsville | Madison Energy Investments LLC | Allentown, PA | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2024 | Dec 2025 | Solar |
| SP-425 Memphis | Madison Energy Investments LLC | Memphis, NY | New York Independent System Operator (NYIS) | 6.2 GWh | Jun 2025 | Dec 2025 | Solar |
| Orefield | Madison Energy Investments LLC | Orefield, PA | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2024 | Dec 2025 | Solar |
| Broadhead | Madison Energy Investments LLC | Waterville, ME | ISO New England (ISNE) | 7.2 GWh | Feb 2023 | Dec 2025 | Solar |
| 118 Echo | Madison Energy Investments LLC | Mashpee, MA | ISO New England (ISNE) | 814.0 MWh | Jun 2023 | Dec 2025 | Solar |
| SP-339 Mechanic Falls | Madison Energy Investments LLC | Mechanic Falls, ME | ISO New England (ISNE) | 1.4 GWh | Nov 2024 | Dec 2025 | Solar |
| DIVOCSG 2 LLC | Madison Energy Investments LLC | Cokato, MN | Southwest Power Pool (SWPP) | 742.0 MWh | Nov 2023 | Dec 2025 | Solar |
| Roosevelt Trail | Madison Energy Investments LLC | Windham, ME | ISO New England (ISNE) | 1.4 GWh | Nov 2024 | Dec 2025 | Solar |
| Bethlehem - East | Madison Energy Investments LLC | Selkirk, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Feb 2016 | Dec 2025 | Solar |
| Clear Spring Ranch PV Project | Madison Energy Investments LLC | Fountain, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.0 GWh | Sep 2016 | Dec 2024 | Solar |
| Kings Park Solar II | Madison Energy Investments LLC | Kings Park, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Jan 2019 | Dec 2025 | Solar |
| Kings Park Solar I | Madison Energy Investments LLC | Kings Park, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Jan 2019 | Dec 2025 | Solar |
| Oneida - South | Madison Energy Investments LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Nov 2015 | Dec 2025 | Solar |
| Oneida - West | Madison Energy Investments LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.1 GWh | Nov 2015 | Oct 2025 | Solar |
| Hardwick-Athol & Eagle Hill | Madison Energy Investments LLC | Hardwick, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2015 | Sep 2025 | Solar |
| Bethlehem - West | Madison Energy Investments LLC | Selkirk, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Feb 2016 | Dec 2025 | Solar |
| Big Lake Project CSG | Madison Energy Investments LLC | Big Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | May 2018 | Sep 2025 | Solar |
| Scandia CSG | Madison Energy Investments LLC | Scandia, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.5 GWh | Dec 2017 | Sep 2025 | Solar |
| Sherburne North Project CSG | Madison Energy Investments LLC | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Jun 2018 | Sep 2025 | Solar |
| Goldman Sachs Carports Solar | Madison Energy Investments LLC | Cohoes, NY | New York Independent System Operator (NYIS) | 1.2 GWh | Nov 2020 | Dec 2025 | Solar |
| GE 19th Hole | Madison Energy Investments LLC | Johnstown, NY | New York Independent System Operator (NYIS) | 11.0 GWh | Dec 2017 | Sep 2025 | Solar |
| Cottage Grove Project CSG | Madison Energy Investments LLC | Cottage Grove, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.3 GWh | Sep 2018 | Sep 2025 | Solar |
| Held Solar Project | Madison Energy Investments LLC | Waite Park, MN | Midcontinent Independent System Operator, Inc. (MISO) | 7.9 GWh | Feb 2019 | Sep 2025 | Solar |
| Schultz CSG | Madison Energy Investments LLC | Webster, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Oct 2018 | Sep 2025 | Solar |
| Tiller CSG | Madison Energy Investments LLC | Clear Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.7 GWh | Nov 2018 | Sep 2025 | Solar |
| Hammer CSG | Madison Energy Investments LLC | Clear Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Nov 2018 | Sep 2025 | Solar |
| Monticello Project CSG | Madison Energy Investments LLC | Monticello, MN | Midcontinent Independent System Operator, Inc. (MISO) | 7.2 GWh | Oct 2018 | Sep 2025 | Solar |
| Malone Solar Site | Madison Energy Investments LLC | Malone, NY | New York Independent System Operator (NYIS) | 1.5 GWh | Nov 2018 | Sep 2025 | Solar |
| Franklin Solar Site | Madison Energy Investments LLC | Malone, NY | New York Independent System Operator (NYIS) | 2.2 GWh | Nov 2018 | Sep 2025 | Solar |
| Kimberly-Clark Solar | Madison Energy Investments LLC | LaGrange, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.4 GWh | Dec 2018 | Sep 2025 | Solar |
| Ulster County Solar | Madison Energy Investments LLC | Kingston, NY | New York Independent System Operator (NYIS) | 1.5 GWh | Apr 2018 | Sep 2025 | Solar |
| HL Solar (Lassen) | Madison Energy Investments LLC | Wendel, CA | California Independent System Operator (CISO) | 12.2 GWh | May 2019 | Dec 2025 | Solar |
| Haven Solar Project CSG | Madison Energy Investments LLC | Saint Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Jun 2019 | Sep 2025 | Solar |
| Dickinson Solar | Madison Energy Investments LLC | Carlisle, PA | PJM Interconnection, LLC (PJM) | 4.2 GWh | Nov 2016 | May 2026 | Solar |
| 401 South | Madison Energy Investments LLC | Dalton, MA | Southern Company Services, Inc. - Trans (SOCO) | 945.0 MWh | Nov 2023 | Dec 2025 | Solar |
| Tift Bowen | Madison Energy Investments LLC | Tifton, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.7 GWh | Sep 2023 | Dec 2025 | Solar |
| Barefoot Solar | Madison Energy Investments LLC | Fairfield, ME | ISO New England (ISNE) | 6.3 GWh | Nov 2022 | Dec 2025 | Solar |
| Tift Fletcher | Madison Energy Investments LLC | Tifton, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.1 GWh | Sep 2023 | Dec 2025 | Solar |
| Hammonton-High School Solar | Madison Energy Investments LLC | Atlantic, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Nov 2022 | Dec 2025 | Solar |
| Lowndes Cowart | Madison Energy Investments LLC | Valdosta, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.1 GWh | Sep 2023 | Dec 2025 | Solar |
| Minster 3 | Madison Energy Investments LLC | Minster, OH | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2022 | Dec 2025 | Solar |
| Tom's River (Lowes) | Madison Energy Investments LLC | Toms River, NJ | PJM Interconnection, LLC (PJM) | 1.5 GWh | Dec 2022 | Dec 2025 | Solar |
| Howell (Lowes) | Madison Energy Investments LLC | Howell, NJ | PJM Interconnection, LLC (PJM) | 1.5 GWh | Feb 2023 | Dec 2025 | Solar |
| 5 Berry | Madison Energy Investments LLC | Plainsville, MA | ISO New England (ISNE) | 7.5 GWh | Aug 2023 | Dec 2025 | Solar |
| Farmington | Madison Energy Investments LLC | Farmington, ME | ISO New England (ISNE) | 7.3 GWh | Nov 2023 | Dec 2025 | Solar |
| Mineral Gap | Madison Energy Investments LLC | Wise, VA | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 4.6 GWh | Jan 2023 | Dec 2025 | Solar |
| 700 Binnewater | Madison Energy Investments LLC | Rosendale, NY | ISO New England (ISNE) | 1.5 GWh | Aug 2022 | Dec 2025 | Solar |
| 1 Commercial | Madison Energy Investments LLC | Sharon, MA | ISO New England (ISNE) | 622.0 MWh | Aug 2023 | Oct 2025 | Solar |
| Sycamore | Madison Energy Investments LLC | Sycamore, OH | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2023 | Dec 2025 | Solar |
| Hamilton | Madison Energy Investments LLC | Hamilton, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Mar 2023 | Dec 2025 | Solar |
| Boyd Soccerplex | Madison Energy Investments LLC | Boyds, MD | PJM Interconnection, LLC (PJM) | 627.0 MWh | Mar 2023 | Dec 2025 | Solar |
| 665 Scenic Highway | Madison Energy Investments LLC | Bourne, MA | ISO New England (ISNE) | 89.0 MWh | Nov 2022 | Dec 2025 | Solar |
| Corcoran Irrigation District | Madison Energy Investments LLC | Corcoran, CA | California Independent System Operator (CISO) | 4.0 GWh | Aug 2019 | Sep 2025 | Solar |
| IBM Solar | Madison Energy Investments LLC | Boulder, CO | Public Service Company of Colorado (PSCO) | 12.5 GWh | Jun 2019 | Sep 2025 | Solar |
| Fort Calhoun Community Solar | Madison Energy Investments LLC | Fort Calhoun, NE | Southwest Power Pool (SWPP) | 9.3 GWh | Nov 2019 | Sep 2025 | Solar |
| Becton Dickinson Ground & Roof Top | Madison Energy Investments LLC | North Canaan, CT | ISO New England (ISNE) | 2.5 GWh | Feb 2018 | Dec 2025 | Solar |
| Venable Solar 2 | Madison Energy Investments LLC | Blythe, CA | California Independent System Operator (CISO) | 3.4 GWh | Mar 2015 | Sep 2025 | Solar |
| Venable Solar 1 | Madison Energy Investments LLC | Blythe, CA | California Independent System Operator (CISO) | 3.7 GWh | Mar 2015 | Dec 2025 | Solar |
| HMW Minster PV I | Madison Energy Holdings LLC | Village of Minster, OH | PJM Interconnection, LLC (PJM) | 7.7 GWh | Nov 2015 | Dec 2025 | Solar |
| Unity Solar | Madison Energy Holdings LLC | Unity, ME | ISO New England (ISNE) | 6.7 GWh | Nov 2021 | Dec 2025 | Solar |
| Hartland Solar | Madison Energy Holdings LLC | Hartland, ME | ISO New England (ISNE) | 6.5 GWh | Nov 2021 | Dec 2025 | Solar |
| KSU Trumbull | Madison Energy Holdings LLC | Warren, OH | PJM Interconnection, LLC (PJM) | 1.5 GWh | May 2021 | Dec 2025 | Solar |
| Blue Hen Solar | Madison Energy Holdings LLC | Dartley, DE | PJM Interconnection, LLC (PJM) | 2.2 GWh | Apr 2022 | Dec 2025 | Solar |
| Lineage MS | Madison Energy Holdings LLC | Richland, MS | Midcontinent Independent System Operator, Inc. (MISO) | 971.0 MWh | Nov 2021 | Sep 2025 | Solar |
| Johnson CSG 2 | Madison Energy Holdings LLC | Lindstrom, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Feb 2023 | Dec 2025 | Solar |
| 3Colton | Madison Energy Holdings LLC | Millbury, MA | ISO New England (ISNE) | 4.9 GWh | Jun 2023 | Dec 2025 | Solar |
| Wapakoneta-Pratt | Madison Energy Holdings LLC | Wapakoneta, OH | PJM Interconnection, LLC (PJM) | 22.4 GWh | Oct 2021 | Dec 2025 | Solar |
| Sherburne Community Solar One LLC CSG | Madison Energy Holdings LLC | Saint Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Nov 2019 | Dec 2025 | Solar |
| Stevens Community Solar LLC | Madison Energy Holdings LLC | Foley, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Sep 2020 | Dec 2025 | Solar |
| Betcher CSG 1, LLC | Madison Energy Holdings LLC | Goodhue, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Oct 2020 | Dec 2025 | Solar |
| Hinterland CSG, LLC | Madison Energy Holdings LLC | Clearlake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Oct 2020 | Dec 2025 | Solar |
| Winona Community Solar One LLC | Madison Energy Holdings LLC | La Crescent, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | May 2020 | Dec 2025 | Solar |
| Pinesburg Solar LLC | Madison Energy Holdings LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Apr 2020 | Dec 2025 | Solar |
| RJC CSG, LLC | Madison Energy Holdings LLC | Owatonna,, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | May 2021 | Dec 2025 | Solar |
| Timonium Fairgrounds | Madison Energy Holdings LLC | Timonium, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Sep 2020 | Dec 2025 | Solar |
| Goodhue Community Solar Two LLC | Madison Energy Holdings LLC | Zumbrota, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Mar 2020 | Dec 2025 | Solar |
| Houston/Winona Community Solar One LLC | Madison Energy Holdings LLC | La Crescent, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | May 2020 | Dec 2025 | Solar |
| Sobania Community Solar LLC | Madison Energy Holdings LLC | Clear Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Aug 2020 | Dec 2025 | Solar |
| Goodhue Community Solar One LLC CSG | Madison Energy Holdings LLC | Zumbrota, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Jan 2020 | Dec 2025 | Solar |
| Huneke CSG 1, LLC | Madison Energy Holdings LLC | Zumbrota, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Sep 2020 | Dec 2025 | Solar |
| Douglas Todd Community Solar One LLC CSG | Madison Energy Holdings LLC | Osakis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2019 | Dec 2025 | Solar |
| Meeker Community Solar One LLC CSG | Madison Energy Holdings LLC | Dassel, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Nov 2019 | Dec 2025 | Solar |
| Dakota Community Solar One LLC CSG | Madison Energy Holdings LLC | Farmington, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Nov 2019 | Dec 2025 | Solar |
| McLeod Community Solar One LLC CSG | Madison Energy Holdings LLC | Stewart, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2019 | Dec 2025 | Solar |
| Nicollet Community Solar One LLC | Madison Energy Holdings LLC | Courtland, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Jun 2020 | Dec 2025 | Solar |
| ESIL-PFCHICAGO 3, LLC | Madison Energy Holdings LLC | Chicago, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Jul 2020 | Dec 2025 | Solar |
| ESIL-PFCHICAGO 2, LLC | Madison Energy Holdings LLC | Chicago, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Oct 2020 | Dec 2025 | Solar |
| Stearns Community Solar One LLC CSG | Madison Energy Holdings LLC | Albany, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2019 | Dec 2025 | Solar |
| Goodhue Community Solar Three LLC CSG | Madison Energy Holdings LLC | Zumbrota, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Jan 2020 | Dec 2025 | Solar |
| Huneke CSG 2, LLC | Madison Energy Holdings LLC | Zumbrota, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Oct 2020 | Dec 2025 | Solar |
| IOS II-LAX9 | Madison Energy Holdings LLC | Fontana, CA | California Independent System Operator (CISO) | 3.5 GWh | Jan 2020 | Dec 2025 | Solar |
| Johnson CSG 1 | Madison Energy Holdings LLC | Lindstrom, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2021 | Dec 2025 | Solar |
| Raboth - Marion Drive | Madison Energy Holdings LLC | Kingston, MA | ISO New England (ISNE) | 3.6 GWh | Feb 2021 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |