Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Regional Waste Systems | Ecomaine | Portland, ME | ISO New England (ISNE) | 87.1 GWh | May 1988 | May 2026 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.7% |
| Cape Gas Turbine | FPL Energy Cape LLC | Portland, ME | ISO New England (ISNE) | 752.0 MWh | Dec 1969 | Dec 2025 | Distillate Fuel Oil |
| Frank Jenkins | City of Portland - (MI) | Portland, MI | Midcontinent Independent System Operator, Inc. (MISO) | 195.0 MWh | Apr 1950 | Dec 2025 | Distillate Fuel Oil : 81.7% Natural Gas : 18.3% |
| Great Bend Solar Project | Great Bend Solar LLC | Portland, OH | PJM Interconnection, LLC (PJM) | 41.0 GWh | Nov 2025 | May 2026 | Solar |
| Oregon Convention Center | Tesla Inc. | Portland, OR | PacifiCorp West (PACW) | 1.5 GWh | Jun 2016 | Dec 2025 | Solar |
| Schiller | Granite Shore Power | Portsmouth, NH | ISO New England (ISNE) | 888.0 MWh | Sep 1952 | May 2026 | Jet Fuel |
| Tank Farm 4 | Solar Breakers LLC | Portsmouth, RI | ISO New England (ISNE) | 13.1 GWh | Sep 2022 | Dec 2025 | Solar |
| McAllister Landfill | Solar Breakers LLC | Portsmouth, RI | ISO New England (ISNE) | 1.5 GWh | Sep 2022 | Dec 2025 | Solar |
| Roger Williams - Melville at Portsmouth | Luminace Solar Rhode Island, LLC | Portsmouth, RI | ISO New England (ISNE) | 4.9 GWh | Feb 2021 | Dec 2025 | Solar |
| Kearsarge West Shore Solar LLC | Kearsarge West Shore Solar LLC | Portsmouth, RI | ISO New England (ISNE) | 8.8 GWh | Nov 2022 | Dec 2025 | Solar |
| Founders Homestead Farms Solar | AES Distributed Energy | Portsmouth, RI | ISO New England (ISNE) | 5.5 GWh | Nov 2019 | May 2026 | Solar |
| WED Portsmouth One, LLC | Greenbacker Renewable Energy Corporation | Portsmouth, RI | ISO New England (ISNE) | 4.9 GWh | Jul 2016 | Dec 2025 | Wind |
| Eufaula Dam | USCE-Tulsa District | Porum, OK | Southwestern Power Administration (SPA) | 219.6 GWh | Jun 1964 | Dec 2024 | Water |
| Post Falls | Avista Corp | Post Falls, ID | Avista Corporation (AVA) | 60.4 GWh | Jun 1906 | Dec 2025 | Water |
| Alliant SBD 9201 Norplex | Industrial Energy Applications Inc | Postville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 45.1 MWh | Nov 1988 | May 2026 | Distillate Fuel Oil |
| Sugar Island | Erie Boulevard Hydropower LP | Potsdam, NY | New York Independent System Operator (NYIS) | 22.7 GWh | Dec 1923 | Dec 2025 | Water |
| Sissonville Hydro | Boralex Hydro Operations Inc | Potsdam, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Jun 1990 | Dec 2025 | Water |
| Clarkson Solar | AES Distributed Energy | Potsdam, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Oct 2014 | Dec 2025 | Solar |
| NY Potsdam 28 Hamilton St. Solar | Potsdam Community Solar 2, LLC | Potsdam, NY | New York Independent System Operator (NYIS) | 5.5 GWh | Dec 2023 | Dec 2025 | Solar |
| Moser Generating Station | Constellation Power, Inc | Pottstown, PA | PJM Interconnection, LLC (PJM) | 1.5 GWh | Apr 1970 | Dec 2025 | Distillate Fuel Oil |
| Dutchess Cnty Resource Recovery Facility | Dutchess County RRA - (NY) | Poughkeepsie, NY | New York Independent System Operator (NYIS) | 34.5 GWh | Oct 1987 | Dec 2025 | Non-biogenic Municipal Solid Waste : 52.8% Biogenic Municipal Solid Waste : 43.2% Natural Gas : 4.1% |
| Salt Point Solar (Hybrid) | Generate Capital | Poughkeepsie, NY | New York Independent System Operator (NYIS) | 3.3 GWh | Dec 2020 | Dec 2024 | Solar : 99.9% |
| NY Country Road 67 and Majorana | NY Country Road 67 and Majorana | Poughkeepsie, NY | New York Independent System Operator (NYIS) | 184.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Underhill | Underhill Solar LLC | Poughkeepsie, NY | New York Independent System Operator (NYIS) | 3.3 GWh | Feb 2019 | Dec 2025 | Solar |
| Cartwright Solar I | Cartwright Solar I LLC | Powell Butte, OR | Bonneville Power Administration (BPAT) | 15.4 GWh | - | May 2026 | Solar |
| Elk Basin Gasoline Plant | Contango Oil and Gas | Powell, WY | PacifiCorp East (PACE) | 6.3 GWh | Dec 1947 | Dec 2025 | Other Gas |
| Garland Canal Power Plant | Shoshone Irrigation District | Powell, WY | PacifiCorp East (PACE) | 10.0 GWh | Aug 1983 | May 2026 | Water |
| HCE Powhatan Solar, LLC | Standard Solar | Powhatan, VA | PJM Interconnection, LLC (PJM) | 6.5 GWh | Nov 2023 | Dec 2025 | Solar |
| Quillwort Solar | Dominion Renewable Energy | Powhatan, VA | PJM Interconnection, LLC (PJM) | 34.8 GWh | Dec 2024 | Dec 2025 | Solar |
| Scott Solar Farm | Dominion Energy Inc. | Powhatan, VA | PJM Interconnection, LLC (PJM) | 24.7 GWh | Nov 2016 | Dec 2025 | Solar |
| Scott-II Solar LLC | Dominion Renewable Energy | Powhatan, VA | PJM Interconnection, LLC (PJM) | 38.9 GWh | Nov 2017 | Dec 2025 | Solar |
| SVEP Solar Project Company | CVI CleanCapital Solar 1 LLC | Pownal, VT | ISO New England (ISNE) | 1.6 GWh | Nov 2012 | Dec 2025 | Solar |
| Prairie Du Sac | Wisconsin Power & Light Co | Prairie du Sac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 152.9 GWh | Sep 1915 | Dec 2025 | Water |
| Pratt 2 | City of Pratt- (KS) | Pratt, KS | Southwest Power Pool (SWPP) | 195.0 MWh | May 1994 | Dec 2025 | Natural Gas : 75.1% Distillate Fuel Oil : 24.9% |
| Pratt | City of Pratt- (KS) | Pratt, KS | Southwest Power Pool (SWPP) | 348.0 MWh | Dec 1957 | Dec 2025 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| City of Pratt Solar | Kenyon Energy KS Solar 1 LLC | Pratt, KS | Southwest Power Pool (SWPP) | 4.0 GWh | Feb 2019 | Dec 2025 | Solar |
| BP-Kanza | Today's Power, Inc. | Pratt, KS | Southwest Power Pool (SWPP) | 2.0 GWh | Mar 2022 | Dec 2025 | Solar |
| International Paper Prattville Mill | International Paper Co | Prattville, AL | Southern Company Services, Inc. - Trans (SOCO) | 544.3 GWh | Jan 1967 | May 2026 | Black Liquor : 62.6% Natural Gas : 21.8% Wood/Wood Waste Solids : 15.6% |
| Silver Creek | Cooperative Energy | Prentiss, MS | Midcontinent Independent System Operator, Inc. (MISO) | 282.3 GWh | May 2003 | Dec 2025 | Natural Gas |
| Prescott Airport | Arizona Public Service Co | Prescott, AZ | Arizona Public Service Company (AZPS) | 6.1 GWh | Sep 2002 | Dec 2025 | Solar |
| Prescott Solar Plant | SunE AZ1, LLC | Prescott, AZ | Arizona Public Service Company (AZPS) | 23.0 GWh | Nov 2011 | Dec 2025 | Solar |
| Prescott Wind Farm | Prescott Wind Energy LLC | Prescott, IA | Midcontinent Independent System Operator, Inc. (MISO) | 162.0 GWh | Aug 2024 | May 2026 | Wind |
| Bryan Solar, LLC | MN8 Energy LLC | Presidio, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 23.8 GWh | May 2013 | Dec 2025 | Solar |
| Missile Street (CSG) | Nautilus Solar Solutions | Presque Island, ME | ISO New England (ISNE) | 4.3 GWh | Nov 2024 | Dec 2025 | Solar |
| Mechanic Street (CSG) | Nautilus Solar Solutions | Presque Island, ME | ISO New England (ISNE) | 4.2 GWh | Nov 2024 | Dec 2025 | Solar |
| ME Fort Fairfield Solar Plant | ME Fort Fairfield LLC | Presque Isle, ME | ISO New England (ISNE) | 3.8 GWh | Nov 2024 | Dec 2025 | Solar |
| Covanta Southeastern Connecticut Company | Covanta Southeastern Connecticut Company | Preston, CT | ISO New England (ISNE) | 108.5 GWh | Nov 1991 | May 2026 | Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Distillate Fuel Oil : 2.1% |
| Tunnel | FirstLight Power Resources Services LLC | Preston, CT | ISO New England (ISNE) | 5.9 GWh | Dec 1918 | Dec 2025 | Water |
| Mink Creek Hydro | Mink Creek Hydro Entity | Preston, ID | PacifiCorp East (PACE) | 8.7 GWh | Nov 1986 | Dec 2025 | Water |
| Preston (IA) | City of Preston - (IA) | Preston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 MWh | Nov 1968 | Dec 2025 | Natural Gas : 85.1% Distillate Fuel Oil : 14.9% |
| Preston (MN) | Preston Public Utilities Comm | Preston, MN | Midcontinent Independent System Operator, Inc. (MISO) | 78.0 MWh | Dec 1948 | Dec 2025 | Distillate Fuel Oil : 71.9% Natural Gas : 28.1% |
| O'Brien Wind | MidAmerican Energy Co | Primghar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 851.2 GWh | Aug 2016 | Dec 2025 | Wind |
| Highland Wind Project (IA) | MidAmerican Energy Co | Primghar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | May 2015 | May 2026 | Wind |
| Silver State Solar Power South | Silver State Solar Power South, LLC | Primm Valley, NV | California Independent System Operator (CISO) | 632.7 GWh | Oct 2015 | May 2026 | Solar |
| Higgins Generating Station | Nevada Power Co | Primm, NV | Nevada Power Company (NEVP) | 1.7 TWh | Jan 2004 | May 2026 | Natural Gas |
| Silver State Solar Power North | Silver State Solar Power North, LLC | Primm, NV | Nevada Power Company (NEVP) | 114.0 GWh | Apr 2012 | May 2026 | Solar |
| Sebera Solar | Dominion Renewable Energy | Prince George, VA | PJM Interconnection, LLC (PJM) | 22.9 GWh | Feb 2025 | Dec 2025 | Solar |
| Great Bay Solar 1 | Great Bay Solar I LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 135.1 GWh | Feb 2018 | May 2026 | Solar |
| UMES (MD) - Princess Anne | NVT LICENSES, LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Jan 2011 | Dec 2025 | Solar |
| Bureau Solar 1 | Pivot Energy | Princeton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Aug 2025 | Dec 2025 | Solar |
| Princeton Solar | Altorfer Inc. | Princeton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 903.9 MWh | Feb 2025 | Dec 2025 | Solar |
| Princeton (IL) | City of Princeton - (IL) | Princeton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 813.0 MWh | Jun 1953 | Dec 2025 | Natural Gas : 99.8% |
| Gibson Solar | Gibson Solar, LLC | Princeton, IN | Midcontinent Independent System Operator, Inc. (MISO) | 293.6 GWh | Jul 2025 | May 2026 | Solar |
| Princeton Wind Farm | Town of Princeton - (MA) | Princeton, MA | ISO New England (ISNE) | 4.0 GWh | Dec 2009 | Dec 2025 | Wind |
| Princeton (MN) | Princeton Public Utils Comm | Princeton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 108.0 MWh | Aug 1953 | Dec 2025 | Distillate Fuel Oil |
| Sherburne Solar Holdings, LLC | REA Investments, LLC | Princeton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Feb 2021 | Dec 2025 | Solar |
| 101 Carnegie Center Solar, LLC | Greenbacker Renewable Energy Corporation | Princeton, NJ | PJM Interconnection, LLC (PJM) | 1.7 GWh | Oct 2020 | Dec 2024 | Solar |
| 510 Carnegie Center | Greenbacker Renewable Energy Corporation | Princeton, NJ | PJM Interconnection, LLC (PJM) | 1.9 GWh | Oct 2019 | Dec 2024 | Solar |
| 701 Carnegie Center | Greenbacker Renewable Energy Corporation | Princeton, NJ | PJM Interconnection, LLC (PJM) | 1.5 GWh | Oct 2019 | Dec 2024 | Solar |
| Munich Re Plaza | Munich Reinsurance America, Inc | Princeton, NJ | PJM Interconnection, LLC (PJM) | 2.4 GWh | Jun 2012 | Dec 2025 | Solar |
| Princeton University Cogeneration | Trustees of Princeton University | Princeton, NJ | PJM Interconnection, LLC (PJM) | 81.5 GWh | Sep 1996 | May 2026 | Natural Gas : 72.8% Solar : 24.3% Distillate Fuel Oil : 2.9% |
| Princeton Solar Project | NJR Clean Energy Ventures Corporation | Princeton, NJ | PJM Interconnection, LLC (PJM) | 3.5 GWh | Aug 2017 | Dec 2024 | Solar |
| Candace Solar | Cypress Creek Renewables | Princeton, NC | Duke Energy Progress East (CPLE) | 8.5 GWh | Jul 2016 | Dec 2025 | Solar |
| Princeton | USF Surry, LLC | Princeton, NC | Duke Energy Progress East (CPLE) | 6.8 GWh | Jun 2015 | Dec 2025 | Solar |
| Solar Star Oregon II | Avangrid Power LLC | Prineville, OR | PacifiCorp West (PACW) | 126.6 GWh | Sep 2017 | May 2026 | Solar |
| Prineville Solar Energy LLC | Invenergy Services LLC | Prineville, OR | PacifiCorp West (PACW) | 89.7 GWh | Jan 2021 | May 2026 | Solar |
| Millican Solar Energy LLC | Invenergy Services LLC | Prineville, OR | PacifiCorp West (PACW) | 140.9 GWh | Feb 2021 | May 2026 | Solar |
| Syncarpha Prinsburg CSG (Ledeboer) | Prinsburg CSG I, LLC | Prinsburg, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Nov 2018 | Dec 2025 | Solar |
| Proctor | Green Mountain Power Corp | Proctor, VT | ISO New England (ISNE) | 27.8 GWh | Jul 1905 | Dec 2025 | Water |
| SV CSG Prophetstown 1 | SV CSG Prophetstown 1, LLC | Prophetstown, IL | PJM Interconnection, LLC (PJM) | 370.0 MWh | - | Dec 2025 | Solar |
| Prospect | Erie Boulevard Hydropower LP | Prospect, NY | New York Independent System Operator (NYIS) | 55.2 GWh | Dec 1958 | Dec 2025 | Water |
| Prospect Municipal | American Mun Power-Ohio, Inc | Prospect, OH | PJM Interconnection, LLC (PJM) | 81.0 MWh | Jan 1998 | Dec 2025 | Distillate Fuel Oil |
| Prospect 2 | PacifiCorp | Prospect, OR | PacifiCorp West (PACW) | 180.1 GWh | Dec 1927 | Dec 2025 | Water |
| Charles City | Industrial Power Generating Company LLC | Providence Forge, VA | PJM Interconnection, LLC (PJM) | 40.4 GWh | Oct 2003 | Dec 2025 | Landfill Gas : 94.1% Distillate Fuel Oil : 5.9% |
| Zuma Solar, LLC | Sol Systems | Providence, NC | Duke Energy Carolinas (DUK) | 5.8 GWh | Nov 2020 | Dec 2025 | Solar |
| Green Providence Wind I, LLC | Green Providence Wind I, LLC | Providence, RI | ISO New England (ISNE) | 2.1 GWh | Nov 2021 | Dec 2025 | Wind |
| Green Providence Wind II, LLC | Green Providence Wind II, LLC | Providence, RI | ISO New England (ISNE) | 4.6 GWh | Nov 2021 | Dec 2025 | Wind |
| Manchester Street | Manchester Street, LLC. | Providence, RI | ISO New England (ISNE) | 2.1 TWh | Aug 1995 | May 2026 | Natural Gas : 92.2% Distillate Fuel Oil : 7.8% |
| Rhode Island Hospital | Rhode Island Hospital | Providence, RI | ISO New England (ISNE) | 52.9 GWh | Sep 1974 | May 2026 | Natural Gas : 87.3% Residual Fuel Oil : 12.7% |
| Thundermist Hydro | City of Woonsocket - (RI) | Providence, RI | ISO New England (ISNE) | 3.3 GWh | May 1981 | Jul 2025 | Water |
| Little Bay | Altus Power America Management, LLC | Providence, RI | ISO New England (ISNE) | 1.5 GWh | Feb 2014 | Dec 2025 | Solar |
| NBC Field's Point Wind Farm | Narragansett Bay Commission | Providence, RI | ISO New England (ISNE) | 6.6 GWh | Sep 2012 | May 2026 | Wind |
| BYU Central Heating Plant | Brigham Young University (BYU) | Provo, UT | PacifiCorp East (PACE) | 115.9 GWh | Jan 2019 | Dec 2025 | Natural Gas |
| Provo Power Plant | Utah Municipal Power Agency | Provo, UT | PacifiCorp East (PACE) | 4.4 GWh | Dec 2017 | Dec 2025 | Natural Gas |
| Huckleberry Solar | Leeward Asset Management, LLC | Pryor, OK | Southwest Power Pool (SWPP) | 18.9 GWh | - | May 2026 | Solar |
| Chouteau | Associated Electric Coop, Inc | Pryor, OK | Associated Electric Cooperative, Inc. (AECI) | 6.3 TWh | Dec 1999 | May 2026 | Natural Gas |
| NSB Point Hope Utility | North Slope Borough Power & Light (AK) | Pt Hope, AK | 6.7 GWh | Aug 1995 | Dec 2025 | Distillate Fuel Oil | |
| NSB Point Lay Utility | North Slope Borough Power & Light (AK) | PT Lay, AK | 3.9 GWh | Jun 2013 | Dec 2025 | Distillate Fuel Oil | |
| Arroyo Solar Energy Storage Hybrid | Arroyo Solar LLC | Pueblo Pintado, NM | Public Service Company of New Mexico (PNM) | 715.6 GWh | Jun 2023 | May 2026 | Solar |
| CSU Pueblo | Scale Sustainable I, LLC | Pueblo, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 1.8 GWh | Nov 2008 | Dec 2024 | 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 |