Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Timonium Fairgrounds | Madison Energy Holdings LLC | Timonium, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Sep 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 |
| ESIL-PFCHICAGO 3, LLC | Madison Energy Holdings LLC | Chicago, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Jul 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 |
| 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 |
| 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 |
| 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 |
| Huneke CSG 2, LLC | Madison Energy Holdings LLC | Zumbrota, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Oct 2020 | Dec 2025 | Solar |
| Bibb Williams | Madison Energy Holdings LLC | Macob, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.8 GWh | Oct 2023 | Dec 2025 | Solar |
| Bartow Davidson | Madison Energy Holdings LLC | Cartersville, GA | Southern Company Services, Inc. - Trans (SOCO) | 5.7 GWh | Nov 2023 | Dec 2025 | Solar |
| Bryan Floyd | Madison Energy Holdings LLC | Pembroke, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.2 GWh | Aug 2023 | 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 |
| Denver Braswell PV | Madison Energy Holdings LLC | Moultrie, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.7 GWh | Jul 2017 | Dec 2025 | Solar |
| Valdosta Prison | Madison Energy Holdings LLC | Valdosta, GA | Southern Company Services, Inc. - Trans (SOCO) | 1.9 GWh | Jul 2017 | Dec 2025 | Solar |
| City of Lexington | Madison Energy Holdings LLC | Lexington, NE | Southwest Power Pool (SWPP) | 6.0 GWh | Apr 2017 | Dec 2025 | Solar |
| IOS - ERW9 | Madison Energy Holdings LLC | Carteret, NJ | PJM Interconnection, LLC (PJM) | 6.3 GWh | Jul 2017 | Dec 2025 | Solar |
| IGS Solar I - BWI2 | Madison Energy Holdings LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Jan 2017 | Dec 2025 | Solar |
| IOS - MEW Phase 1 | Madison Energy Holdings LLC | Madison, ME | ISO New England (ISNE) | 5.1 GWh | Dec 2016 | Dec 2025 | Solar |
| Cuyahoga County Landfill | Madison Energy Holdings LLC | Brooklyn, OH | PJM Interconnection, LLC (PJM) | 4.6 GWh | Aug 2018 | Dec 2025 | Solar |
| First Baptist Church of Glenarden | Madison Energy Holdings LLC | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Mar 2018 | Dec 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 |
| Dickinson Solar | Madison Energy Investments LLC | Carlisle, PA | PJM Interconnection, LLC (PJM) | 4.3 GWh | Nov 2016 | Aug 2026 | 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 |
| 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 |
| 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 |
| 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 |
| Schultz CSG | Madison Energy Investments LLC | Webster, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Oct 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 |
| 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 |
| Oneida - West | Madison Energy Investments LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.1 GWh | Nov 2015 | Oct 2025 | 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 |
| Bethlehem - East | Madison Energy Investments LLC | Selkirk, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Feb 2016 | Dec 2025 | Solar |
| Bethlehem - West | Madison Energy Investments LLC | Selkirk, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Feb 2016 | Dec 2025 | Solar |
| Hardwick-Athol & Eagle Hill | Madison Energy Investments LLC | Hardwick, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2015 | Sep 2025 | Solar |
| Oneida - South | Madison Energy Investments LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Nov 2015 | 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 |
| Clear Spring Ranch PV Project | Madison Energy Investments LLC | Fountain, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 17.2 GWh | Sep 2016 | Dec 2025 | Solar |
| Spencer Solar CSG | Madison Energy Investments LLC | Spencer, MA | ISO New England (ISNE) | 584.0 MWh | May 2025 | 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 |
| Fort Calhoun Community Solar | Madison Energy Investments LLC | Fort Calhoun, NE | Southwest Power Pool (SWPP) | 9.3 GWh | Nov 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 |
| Kimberly-Clark Solar | Madison Energy Investments LLC | LaGrange, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.4 GWh | Dec 2018 | 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 |
| GE 19th Hole | Madison Energy Investments LLC | Johnstown, NY | New York Independent System Operator (NYIS) | 11.0 GWh | Dec 2017 | 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 |
| 401 South | Madison Energy Investments LLC | Dalton, MA | Southern Company Services, Inc. - Trans (SOCO) | 945.0 MWh | Nov 2023 | Dec 2025 | Solar |
| 700 Binnewater | Madison Energy Investments LLC | Rosendale, NY | ISO New England (ISNE) | 1.5 GWh | Aug 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 |
| Tom's River (Lowes) | Madison Energy Investments LLC | Toms River, NJ | PJM Interconnection, LLC (PJM) | 1.5 GWh | Dec 2022 | 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 |
| Hammonton-High School Solar | Madison Energy Investments LLC | Atlantic, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Nov 2022 | Dec 2025 | Solar |
| 665 Scenic Highway | Madison Energy Investments LLC | Bourne, MA | ISO New England (ISNE) | 89.0 MWh | Nov 2022 | Dec 2025 | Solar |
| Boyd Soccerplex | Madison Energy Investments LLC | Boyds, MD | PJM Interconnection, LLC (PJM) | 627.0 MWh | Mar 2023 | Dec 2025 | Solar |
| Sycamore | Madison Energy Investments LLC | Sycamore, OH | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2023 | Dec 2025 | Solar |
| Howell (Lowes) | Madison Energy Investments LLC | Howell, NJ | PJM Interconnection, LLC (PJM) | 1.5 GWh | Feb 2023 | Dec 2025 | Solar |
| Hamilton | Madison Energy Investments LLC | Hamilton, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Mar 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 |
| 1 Commercial | Madison Energy Investments LLC | Sharon, MA | ISO New England (ISNE) | 622.0 MWh | Aug 2023 | Oct 2025 | Solar |
| Barefoot Solar | Madison Energy Investments LLC | Fairfield, ME | ISO New England (ISNE) | 6.3 GWh | Nov 2022 | Dec 2025 | Solar |
| Minster 3 | Madison Energy Investments LLC | Minster, OH | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2022 | Dec 2025 | Solar |
| 5 Berry | Madison Energy Investments LLC | Plainsville, MA | ISO New England (ISNE) | 7.5 GWh | Aug 2023 | 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 |
| 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 |
| 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 |
| 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 |
| Lime Bluff 1 | Madison Energy Investments LLC | Hughesville, PA | PJM Interconnection, LLC (PJM) | 1.0 GWh | Jul 2025 | Dec 2025 | Solar |
| Broadhead | Madison Energy Investments LLC | Waterville, ME | ISO New England (ISNE) | 7.2 GWh | Feb 2023 | Dec 2025 | Solar |
| Lime Bluff 2 | Madison Energy Investments LLC | Hughesville, PA | PJM Interconnection, LLC (PJM) | 465.0 MWh | Jul 2025 | Dec 2025 | Solar |
| 15 Lincoln | Madison Energy Investments LLC | Norfolk, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2022 | Dec 2025 | Solar |
| LL Scranton PA | Madison Energy Investments LLC | Scranton, PA | PJM Interconnection, LLC (PJM) | 1.0 GWh | Feb 2024 | Dec 2025 | Solar |
| 0 Middle | Madison Energy Investments LLC | Chatham, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2022 | Dec 2025 | Solar |
| North Kern 3 | Madison Energy Investments LLC | Bakersfield, CA | California Independent System Operator (CISO) | 13.6 GWh | Nov 2023 | Dec 2025 | Solar |
| Cromwell | Madison Energy Investments LLC | Glen Burnie, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2024 | Dec 2025 | Solar |
| Fairview Farms | Madison Energy Investments LLC | Bel Air, MD | PJM Interconnection, LLC (PJM) | 48.8 GWh | Nov 2024 | Aug 2026 | Solar |
| Roosevelt Trail | Madison Energy Investments LLC | Windham, ME | ISO New England (ISNE) | 1.4 GWh | Nov 2024 | Dec 2025 | Solar |
| Maumee Solar | Madison Energy Investments LLC | Maumee, OH | PJM Interconnection, LLC (PJM) | 1.9 GWh | Oct 2024 | Dec 2025 | Solar |
| Crowne Plaza | Madison Energy Investments LLC | Cherry Hill, NJ | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2024 | Dec 2025 | Solar |
| Claggett Landing | Madison Energy Investments LLC | Upper Malboro, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Oct 2024 | Dec 2025 | Solar |
| North Kern 2 | Madison Energy Investments LLC | City of Shafter, CA | California Independent System Operator (CISO) | 6.1 GWh | Jun 2024 | Dec 2025 | Solar |
| Green Acres (VA) | Madison Energy Investments LLC | Bassett, VA | PJM Interconnection, LLC (PJM) | 9.6 GWh | Nov 2024 | Dec 2025 | Solar |
| 376 Nash | Madison Energy Investments LLC | New Bedford, MA | ISO New England (ISNE) | 17.0 MWh | Nov 2024 | Dec 2025 | Solar |
| North Kern 1 | Madison Energy Investments LLC | Shafter, CA | California Independent System Operator (CISO) | 6.9 GWh | May 2023 | Dec 2025 | Solar |
| Allentown - Ruppsville | Madison Energy Investments LLC | Allentown, PA | PJM Interconnection, LLC (PJM) | 3.6 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 |
| 118 Echo | Madison Energy Investments LLC | Mashpee, MA | ISO New England (ISNE) | 814.0 MWh | Jun 2023 | Dec 2025 | Solar |
| SP-231 Clifton | Madison Energy Investments LLC | Clifton, ME | ISO New England (ISNE) | 5.4 GWh | Nov 2024 | Dec 2025 | Solar |
| 3100 Valleyview Drive | Madison Energy Investments LLC | Columbus, OH | PJM Interconnection, LLC (PJM) | 916.0 MWh | Jul 2023 | Dec 2025 | Solar |
| North Stafford HS | Madison Energy Investments LLC | Stafford, VA | PJM Interconnection, LLC (PJM) | 2.1 GWh | Aug 2023 | Dec 2025 | Solar |
| Waterboro | Madison Energy Investments LLC | East Waterboro, ME | ISO New England (ISNE) | 7.1 GWh | Jun 2023 | Dec 2025 | Solar |
| Wheeler Ridge 2 | Madison Energy Investments LLC | Arvin, CA | California Independent System Operator (CISO) | 13.8 GWh | Oct 2023 | Dec 2025 | Solar |
| 20 Bedford | Madison Energy Investments LLC | Bridgewater, MA | ISO New England (ISNE) | 146.0 MWh | Nov 2024 | Dec 2025 | Solar |
| Spring Street Road | Madison Energy Investments LLC | Union Springs, NY | New York Independent System Operator (NYIS) | 581.0 MWh | Jul 2023 | 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 |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |