Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| NYPH-Queens | NYPH-Queens | Flushing, NY | New York Independent System Operator (NYIS) | 58.9 MWh | Dec 1999 | Dec 2022 | Distillate Fuel Oil |
| NYS Rte 12 Community Solar | OYA NYS Rte 12 LLC | Clayton, NY | New York Independent System Operator (NYIS) | 7.8 GWh | Nov 2019 | Dec 2023 | Solar |
| NYU LANGONE HEALTH | NYU LANGONE HEALTH | New York, NY | New York Independent System Operator (NYIS) | 56.1 GWh | Sep 1992 | Dec 2022 | Natural Gas : 99.6% |
| NYU Luthern Medical Center | NYU Langone Health | New York City, NY | New York Independent System Operator (NYIS) | 138.0 MWh | Dec 1993 | Dec 2023 | Distillate Fuel Oil |
| O'Brien Solar Fields | Madison Gas & Electric Co | Fitchburg, WI | Midcontinent Independent System Operator, Inc. (MISO) | 38.3 GWh | Apr 2021 | Dec 2023 | Solar |
| O'Brien Wind | MidAmerican Energy Co | Primghar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Aug 2016 | Dec 2022 | Wind |
| O'Fallon Renewable Energy Center | Union Electric Co - (MO) | O'Fallon, MO | Midcontinent Independent System Operator, Inc. (MISO) | 5.4 GWh | Nov 2014 | Dec 2023 | Solar |
| O H Hutchings | Kimura Power LLC | Miamisburg, OH | PJM Interconnection, LLC (PJM) | 234.3 MWh | Jun 1948 | Dec 2023 | Natural Gas |
| O'Neill Creek Solar | O'Neill Creek Solar LLC | Gaston, OR | Portland General Electric Company (PGE) | 4.0 GWh | Oct 2019 | Dec 2023 | Solar |
| O'Shea Solar Farm | DTE Electric Company | Detroit, MI | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Jun 2017 | Dec 2023 | Solar |
| O W Sommers | City of San Antonio - (TX) | San Antonio, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.4 TWh | Mar 1972 | Dec 2022 | Natural Gas |
| Oahe | USACE-Omaha | Pierre, SD | Southwest Power Pool (SWPP) | 2.3 TWh | Mar 1962 | Dec 2022 | Water |
| Oak Bluffs Diesel Generating Facility | Vineyard Reliability LLC | Oak Bluffs, MA | ISO New England (ISNE) | 1.7 GWh | Dec 1968 | Dec 2023 | Distillate Fuel Oil |
| Oak Creek Energy Systems I | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 40.8 GWh | May 1982 | Dec 2023 | Wind |
| Oak Glen Wind Farm | Minnesota Municipal Power Agny | Blooming Prairie, MN | Midcontinent Independent System Operator, Inc. (MISO) | 122.1 GWh | Oct 2011 | Dec 2022 | Wind |
| Oak Grove | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 155.6 GWh | Jul 1924 | Dec 2023 | Water |
| Oak Grove Power Producers | Cube District Energy, LLC | Arcadia, KS | Southwest Power Pool (SWPP) | 21.4 GWh | Feb 2010 | Dec 2023 | Landfill Gas |
| Oak Grove (TX) | Luminant Generation Company LLC | Franklin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 11.7 TWh | Mar 2010 | Jun 2024 | Lignite Coal : 94.9% Natural Gas : 5.1% |
| Oak Hill Solar Array | Southern Indiana Gas & Elec Co | Evansville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 GWh | Oct 2018 | Dec 2023 | Solar |
| Oak Leaf - CSG Portfolio (OL 36) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 2.6 GWh | May 2021 | Dec 2023 | Solar |
| Oak Leaf - CSG Portfolio (OL 37) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 3.3 GWh | Nov 2020 | Dec 2023 | Solar |
| Oak Leaf - CSG Portfolio (OL 38) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 3.4 GWh | May 2021 | Dec 2023 | Solar |
| Oak Leaf - CSG Portfolio (OL 39) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 3.5 GWh | May 2021 | Dec 2023 | Solar |
| Oak Leaf - CSG Portfolio (OL 44) | Distributed Solar Development, LLC | Watkins, CO | Southwest Power Pool (SWPP) | 3.4 GWh | Nov 2020 | Dec 2023 | Solar |
| Oak Leaf Solar XVIII LLC | Greenbacker Renewable Energy Corporation | Denver, CO | Southwest Power Pool (SWPP) | 9.7 GWh | Nov 2021 | Dec 2022 | Solar |
| Oak Leaf Solar XXI (CSG) | Greenbacker Renewable Energy Corporation | Watkins, CO | Public Service Company of Colorado (PSCO) | 3.7 GWh | Nov 2018 | Dec 2023 | Solar |
| Oak Leaf Solar XXII LLC (CSG) | Greenbacker Renewable Energy Corporation | Denver, CO | Public Service Company of Colorado (PSCO) | 3.8 GWh | Dec 2018 | Dec 2023 | Solar |
| Oak Leaf Solar XXIII LLC (CSG) | Greenbacker Renewable Energy Corporation | Watkins, CO | Public Service Company of Colorado (PSCO) | 3.6 GWh | Dec 2018 | Dec 2023 | Solar |
| Oak Leaf Solar XXIV LLC (CSG) | Greenbacker Renewable Energy Corporation | Watkins, CO | Public Service Company of Colorado (PSCO) | 3.2 GWh | Dec 2018 | Dec 2023 | Solar |
| Oak Leaf Solar XXV LLC (CSG) | Greenbacker Renewable Energy Corporation | Watkins, CO | Public Service Company of Colorado (PSCO) | 3.2 GWh | Nov 2018 | Dec 2023 | Solar |
| Oak Leaf Solar XXVI LLC | Greenbacker Renewable Energy Corporation | Denver, CO | Public Service Company of Colorado (PSCO) | 3.3 GWh | Dec 2018 | Dec 2023 | Solar |
| Oak Leaf Solar XXVII LLC | Greenbacker Renewable Energy Corporation | Greely, CO | Public Service Company of Colorado (PSCO) | 3.6 GWh | Oct 2018 | Dec 2023 | Solar |
| Oak Leaf Solar XXVIII LLC (CSG) | Greenbacker Renewable Energy Corporation | Platteville, CO | Public Service Company of Colorado (PSCO) | 3.2 GWh | May 2019 | Dec 2023 | Solar |
| Oak Leaf Solar XXX LLC (CSG) | Greenbacker Renewable Energy Corporation | Alamosa, CO | Public Service Company of Colorado (PSCO) | 4.1 GWh | Nov 2018 | Dec 2023 | Solar |
| Oak Leaf Solar XXXI LLC (CSG) | Greenbacker Renewable Energy Corporation | Debeque, CO | Public Service Company of Colorado (PSCO) | 3.4 GWh | Nov 2018 | Dec 2023 | Solar |
| Oak Leaf Solar XXXII (CSG) | Greenbacker Renewable Energy Corporation | Rifle, CO | Public Service Company of Colorado (PSCO) | 3.3 GWh | Feb 2019 | Dec 2023 | Solar |
| Oak Leaf Solar XXXIII LLC (Lantz) | Greenbacker Renewable Energy Corporation | Salida, CO | Public Service Company of Colorado (PSCO) | 4.1 GWh | Dec 2019 | Dec 2023 | Solar |
| Oak Point Cogen | Chevron Oronite Co LLC | Belle Chasse, LA | Midcontinent Independent System Operator, Inc. (MISO) | 100.6 GWh | Sep 1999 | Dec 2023 | Natural Gas |
| Oak Ridge LFGTE | Wabash Valley Power Assn, Inc | Logansport, IN | Midcontinent Independent System Operator, Inc. (MISO) | 23.3 GWh | Nov 2003 | Dec 2023 | Landfill Gas |
| Oak Ridge Solar | AES Clean Energy | Oak Ridge, LA | Midcontinent Independent System Operator, Inc. (MISO) | 217.6 GWh | Nov 2023 | Jun 2024 | Solar |
| Oak Solar | Oak Solar LLC | Gaston, NC | PJM Interconnection, LLC (PJM) | 58.3 GWh | Nov 2023 | Jun 2024 | Solar |
| Oak Street Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 5.6 GWh | Nov 2019 | Dec 2023 | Solar |
| Oak Trail Solar, LLC | Leeward Asset Management, LLC | Moyock, NC | PJM Interconnection, LLC (PJM) | 231.7 GWh | Jun 2023 | Jun 2024 | Solar |
| Oak Tree Energy | Consolidated Edison Development Inc. | Clark, SD | Southwest Power Pool (SWPP) | 84.4 GWh | Nov 2014 | Dec 2022 | Wind |
| Oakboro Farm | Palmetto Power Management LLC | Laurinburg, NC | Duke Energy Carolinas (DUK) | 8.7 GWh | Aug 2014 | Dec 2023 | Solar |
| Oakdale | Northern Indiana Pub Serv Co | Monticello, IN | Midcontinent Independent System Operator, Inc. (MISO) | 22.2 GWh | Oct 1925 | Dec 2023 | Water |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 14.9 GWh | Apr 1951 | Dec 2022 | Water |
| Oakfield Wind Project | Onward Energy | City of Oakfield, ME | ISO New England (ISNE) | 333.9 GWh | Sep 2015 | Jun 2024 | Wind |
| Oakland | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 8.0 GWh | Aug 2022 | Dec 2023 | Solar |
| Oakley Solar Project | Oakley Solar Project LLC | Oakley, CA | California Independent System Operator (CISO) | 2.0 GWh | May 2013 | Dec 2022 | Solar |
| Oakwood Solar | Oakwood Solar, LLC | Mebane, NC | Duke Energy Carolinas (DUK) | 10.0 GWh | May 2021 | Dec 2023 | Solar |
| Oasis Alta | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 48.2 GWh | Mar 2021 | Dec 2023 | Wind |
| Oasis Wind | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 216.7 GWh | Nov 2004 | Dec 2023 | Wind |
| Oberlin (KS) | City of Oberlin - (KS) | Oberlin, KS | Southwest Power Pool (SWPP) | 8.3 MWh | Dec 1953 | Dec 2023 | Distillate Fuel Oil |
| Oberlin (OH) | City of Oberlin - (OH) | Oberlin, OH | PJM Interconnection, LLC (PJM) | 318.8 MWh | Dec 1947 | Dec 2023 | Natural Gas : 83.8% Distillate Fuel Oil : 16.2% |
| Oberon IA | Oberon Solar IA | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 335.4 GWh | Jun 2020 | Jun 2024 | Solar |
| Oberon IB | Oberon Solar IB | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 70.0 GWh | Jun 2020 | Jun 2024 | Solar |
| Oberon II Solar Project | IP Oberon II, LLC | Desert Center, CA | California Independent System Operator (CISO) | 410.5 GWh | Aug 2023 | Jun 2024 | Solar |
| Oberon Solar Project | IP Oberon LLC | Desert Center, CA | California Independent System Operator (CISO) | 393.1 GWh | Aug 2023 | Jun 2024 | Solar |
| OBP Cogen | OBP Cogen LLC | New York, NY | New York Independent System Operator (NYIS) | 27.5 GWh | May 2010 | Dec 2023 | Natural Gas |
| Ocean County Landfill | EPP Renewable Energy | Manchester, NJ | PJM Interconnection, LLC (PJM) | 79.1 GWh | Jan 1997 | Jun 2024 | Landfill Gas |
| Ocean State Power | Ocean State Power Co | Harrisville, RI | ISO New England (ISNE) | 1.4 TWh | Nov 1990 | Dec 2023 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| Ocean State Power II | Ocean State Power II | Harrisville, RI | ISO New England (ISNE) | 1.1 TWh | Sep 1991 | Dec 2023 | Natural Gas : 99.7% |
| Oceana Solar | Virginia Electric & Power Co | Virginia Beach, VA | PJM Interconnection, LLC (PJM) | 30.1 GWh | Nov 2017 | Dec 2023 | Solar |
| OCI Alamo 2, LLC | OCI Solar Power | Converse, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 6.2 GWh | Feb 2014 | Dec 2022 | Solar |
| OCI Alamo 3 LLC | Consolidated Edison Development Inc. | San Antonio, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 10.8 GWh | Nov 2014 | Dec 2023 | Solar |
| OCI Alamo 4, LLC | Consolidated Edison Development Inc. | Brackettville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 82.1 GWh | Jul 2014 | Dec 2023 | Solar |
| OCI Alamo 5 LLC | Consolidated Edison Development Inc. | Uvalde, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 206.1 GWh | Nov 2015 | Dec 2023 | Solar |
| OCI Alamo 7 LLC | Consolidated Edison Development Inc. | Haskell, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 261.4 GWh | Jul 2016 | Dec 2023 | Solar |
| OCI Alamo Solar I Hybrid | OCI Solar Power | San Antonio, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 95.5 GWh | Nov 2013 | Dec 2022 | Solar |
| Ocoee 1 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 76.6 GWh | Dec 1911 | Dec 2023 | Water |
| Ocoee 2 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 86.8 GWh | Sep 1913 | Dec 2023 | Water |
| Ocoee 3 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 154.6 GWh | Mar 1943 | Dec 2023 | Water |
| Oconee | Duke Energy Carolinas, LLC | Seneca, SC | Duke Energy Carolinas (DUK) | 23.3 TWh | Jun 1973 | Jun 2024 | Nuclear |
| Oconto Falls Lower | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 GWh | Dec 1970 | Dec 2023 | Water |
| Oconto Falls Upper | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Dec 1917 | Dec 2023 | Water |
| Ocotillo | Arizona Public Service Co | Tempe, AZ | Arizona Public Service Company (AZPS) | 759.8 GWh | Feb 1960 | Jun 2024 | Natural Gas |
| Ocotillo Express LLC | Pattern Operators LP | Ocotillo, CA | California Independent System Operator (CISO) | 644.8 GWh | Nov 2012 | Jun 2024 | Wind |
| Ocotillo Wells | Conductive Power | Borrego Springs, CA | California Independent System Operator (CISO) | 76.0 GWh | Aug 2023 | Jun 2024 | Solar |
| Ocotillo Windpower | Duke Energy Renewables Services | Forsan, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 10.3 GWh | Aug 2008 | Dec 2022 | Wind |
| Odell Wind Farm | Algonquin Power Co | Mountain Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 823.5 GWh | Jun 2016 | Dec 2023 | Wind |
| Odessa-Ector Power Plant | LaFrontera Holdings LLC | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 8.0 TWh | Jun 2001 | Jun 2024 | Natural Gas |
| Odin Wind Farm LLC | NRG Energy Gas & Wind Holdings Inc | Mountainlake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 38.2 GWh | Apr 2008 | Dec 2023 | Wind |
| Odyssey Energy Altura Cogen, LLC | Odyssey Operating Services | Channelview, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.9 TWh | Oct 1985 | Jun 2024 | Natural Gas |
| Odyssey Solar | Odyssey Solar, LLC | Pelion, SC | Dominion Energy South Carolina, Inc. (SCEG) | 18.2 GWh | Jul 2017 | Dec 2023 | Solar |
| OE_ALD | OE_ALD | Wing, AL | Southern Company Services, Inc. - Trans (SOCO) | 190.2 GWh | Mar 2023 | Jun 2024 | Solar |
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 95.3 GWh | Nov 2019 | Jun 2024 | Solar |
| OE_ESCL | OE_ESCL | Grants, NM | Public Service Company of New Mexico (PNM) | 51.2 GWh | - | Jun 2024 | Solar |
| OE_GA3 | Onward Energy | Camilla, GA | Southern Company Services, Inc. - Trans (SOCO) | 127.6 GWh | Nov 2019 | Jun 2024 | Solar |
| OE IL Solar 3 | OE IL Solar 3, LLC | Oregon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Feb 2022 | Dec 2023 | Solar |
| OE_MS6 | OE_MS6 | St.Artesia, MS | Tennessee Valley Authority (TVA) | 48.5 GWh | - | Jun 2024 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Nov 2021 | Dec 2023 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2021 | Dec 2023 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.6 GWh | Oct 2022 | Dec 2023 | Solar |
| OES Biogas Power | Organic Energy Solutions, Inc. | San Bernardino, CA | California Independent System Operator (CISO) | 4.0 MWh | - | Dec 2022 | Other Biomass Gas |
| OETN1 | OE_TN1 | Obion, TN | Tennessee Valley Authority (TVA) | 220.6 GWh | Feb 2023 | Jun 2024 | Solar |
| Off Airport Road - West | Off Airport Road - West, LLC | Accord, NY | New York Independent System Operator (NYIS) | 6.7 GWh | Nov 2019 | Dec 2023 | Solar |
| Ogburn Solar, LLC | Ogburn Solar, LLC | Jefferson, SC | Duke Energy Progress East (CPLE) | 71.0 MWh | Nov 2022 | Dec 2022 | Solar |
| Ogden | City of Ogden - (IA) | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.1 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 4.7 GWh | Nov 1987 | Dec 2023 | Water |
Summary of Power Plants By State
Figures are based on June 2024 generation numbers.| State | Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Alabama | # 8 | 76 | 12,994.64 GWh |
| Alaska | # 49 | 141 | 532.92 GWh |
| Arizona | # 12 | 158 | 10,816.56 GWh |
| Arkansas | # 23 | 74 | 6,090.57 GWh |
| California | # 4 | 1,616 | 18,642.28 GWh |
| Colorado | # 29 | 273 | 5,203.60 GWh |
| Connecticut | # 33 | 154 | 3,883.35 GWh |
| Delaware | # 48 | 31 | 564.91 GWh |
| District of Columbia | # 51 | 12 | 21.97 GWh |
| Florida | # 2 | 280 | 25,317.55 GWh |
| Georgia | # 6 | 236 | 13,565.77 GWh |
| Hawaii | # 47 | 68 | 752.19 GWh |
| Idaho | # 44 | 141 | 1,494.57 GWh |
| Illinois | # 5 | 327 | 16,149.86 GWh |
| Indiana | # 18 | 199 | 8,605.73 GWh |
| Iowa | # 25 | 283 | 5,808.39 GWh |
| Kansas | # 28 | 161 | 5,468.39 GWh |
| Kentucky | # 22 | 55 | 6,311.84 GWh |
| Louisiana | # 15 | 76 | 8,941.67 GWh |
| Maine | # 45 | 154 | 1,057.36 GWh |
| Maryland | # 37 | 181 | 3,071.44 GWh |
| Massachusetts | # 43 | 603 | 1,578.29 GWh |
| Michigan | # 11 | 269 | 10,966.92 GWh |
| Minnesota | # 31 | 740 | 4,981.73 GWh |
| Mississippi | # 20 | 51 | 6,954.06 GWh |
| Missouri | # 21 | 120 | 6,419.21 GWh |
| State | Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Montana | # 40 | 68 | 1,731.18 GWh |
| Nebraska | # 38 | 119 | 2,961.38 GWh |
| Nevada | # 32 | 109 | 4,448.23 GWh |
| New Hampshire | # 41 | 55 | 1,617.28 GWh |
| New Jersey | # 27 | 378 | 5,717.84 GWh |
| New Mexico | # 34 | 140 | 3,720.74 GWh |
| New York | # 10 | 816 | 11,624.86 GWh |
| North Carolina | # 7 | 885 | 13,147.77 GWh |
| North Dakota | # 35 | 56 | 3,335.99 GWh |
| Ohio | # 9 | 186 | 12,671.30 GWh |
| Oklahoma | # 14 | 129 | 9,158.26 GWh |
| Oregon | # 30 | 257 | 4,992.34 GWh |
| Pennsylvania | # 3 | 242 | 22,116.29 GWh |
| Rhode Island | # 46 | 95 | 809.08 GWh |
| South Carolina | # 16 | 200 | 8,804.50 GWh |
| South Dakota | # 42 | 53 | 1,584.09 GWh |
| Tennessee | # 19 | 86 | 7,483.06 GWh |
| Texas | # 1 | 769 | 51,651.54 GWh |
| Utah | # 39 | 120 | 2,790.81 GWh |
| Vermont | # 50 | 113 | 164.09 GWh |
| Virginia | # 13 | 211 | 9,481.73 GWh |
| Washington | # 17 | 136 | 8,736.01 GWh |
| West Virginia | # 26 | 36 | 5,742.89 GWh |
| Wisconsin | # 24 | 220 | 5,990.65 GWh |
| Wyoming | # 36 | 69 | 3,106.43 GWh |