Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hampshire Paper | Hampshire Paper Co Inc | Gouverneur, NY | New York Independent System Operator (NYIS) | 13.1 GWh | Apr 1987 | Dec 2025 | Water |
| Hollow Dam Power Partnership | Ampersand Hollow Dam Hydro LLC | Gouveneur, NY | New York Independent System Operator (NYIS) | 1.0 GWh | Nov 1987 | Dec 2025 | Water |
| New York State Dam Hydro | Boralex Hydro Operations Inc | Waterford, NY | New York Independent System Operator (NYIS) | 41.6 GWh | Oct 1990 | Dec 2025 | Water |
| Moose River | EONY Generation Limited | Lyons Falls, NY | New York Independent System Operator (NYIS) | 37.1 GWh | Oct 1987 | Dec 2025 | Water |
| Philadlephia | EONY Generation Limited | Village of Philadelph, NY | New York Independent System Operator (NYIS) | 8.6 GWh | Sep 1986 | Dec 2025 | Water |
| Lower Saranac Hydroelectric Facility | Central Rivers Power US, LLC | Plattsburgh, NY | New York Independent System Operator (NYIS) | 18.7 GWh | Sep 1990 | Dec 2025 | Water |
| Warrensburg Hydroelectric | Boralex Hydro Operations Inc | Warrensburg, NY | New York Independent System Operator (NYIS) | 9.2 GWh | Nov 1988 | Dec 2025 | Water |
| Middle Falls Hydro | Boralex Hydro Operations Inc | Middle Falls, NY | New York Independent System Operator (NYIS) | 9.4 GWh | Aug 1989 | 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 |
| Diana Hydroelectric | EONY Generation Limited | Harrisville, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Jun 1985 | Dec 2025 | Water |
| Dolgeville Hydro | EONY Generation Limited | Dolgeville, NY | New York Independent System Operator (NYIS) | 11.0 GWh | Jun 1985 | Dec 2025 | Water |
| Valley Falls Hydroelectric Facility | Albany Engineering Corporation | Valley Falls, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Jul 1985 | Dec 2025 | Water |
| Selkirk Cogen | Selkirk Cogen Partners LP | Selkirk, NY | New York Independent System Operator (NYIS) | 346.4 GWh | Mar 1992 | Oct 2025 | Natural Gas |
| Lachute Hydro Lower | Central Rivers Power US, LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Nov 1987 | Dec 2025 | Water |
| Black River Hydro Associates | Central Rivers Power US, LLC | Port Layden, NY | New York Independent System Operator (NYIS) | 16.5 GWh | Dec 1983 | Dec 2025 | Water |
| Lachute Hydro Upper | Central Rivers Power US, LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Nov 1987 | Dec 2025 | Water |
| Port Leyden Hydroelectric Project | Lyonsdale Hydroelectric Co., Inc. | Port Leyden, NY | New York Independent System Operator (NYIS) | 3.9 GWh | Nov 1985 | Dec 2025 | Water |
| Center Falls | Hollingworth & Vose Co Center Falls | Greenwich, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Dec 1983 | Dec 2025 | Water |
| Kings Falls Hydroelectric | Silverstreet Hydro | Copenhagen, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Sep 1988 | Dec 2024 | Water |
| Linden Cogen Plant | EFS Cogen Holdings I LLC | Linden, NJ | New York Independent System Operator (NYIS) | 5.7 TWh | Feb 1992 | May 2026 | Natural Gas : 99.8% |
| Victory Mills | Central Rivers Power US, LLC | Victory Mills, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Nov 1986 | Dec 2025 | Water |
| Massena Energy Facility | Power City Partners LP | Massena, NY | New York Independent System Operator (NYIS) | 43.6 GWh | Jun 1992 | Oct 2025 | Natural Gas |
| Wappinger Falls Hydroelectric | Windsor Machinery Co Inc | Wappinger Falls, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Nov 1988 | Dec 2025 | Water |
| Batavia Power Plant | Seneca Power Partners LP | Batavia, NY | New York Independent System Operator (NYIS) | 17.6 GWh | Aug 1992 | Dec 2025 | Natural Gas |
| West Delaware Tunnel Plant | Erie Boulevard Hydropower LP | Grahamsville, NY | New York Independent System Operator (NYIS) | 33.9 GWh | Nov 1988 | Dec 2025 | Water |
| Alice Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Keeseville, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Oct 1991 | Dec 2025 | Water |
| Hudson Falls Hydroelectric Project | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 170.4 GWh | Oct 1995 | Dec 2025 | Water |
| Little Falls Hydro | Eagle Creek Renewable Energy, LLC | Little Falls, NY | New York Independent System Operator (NYIS) | 41.0 GWh | Dec 1986 | Dec 2025 | Water |
| Sterling Power Plant | Sterling Power Partners LP | Sherrill, NY | New York Independent System Operator (NYIS) | 22.7 GWh | May 1991 | Dec 2025 | Natural Gas : 99.9% |
| Brooklyn Navy Yard Cogeneration | Brooklyn Navy Yard Cogen PLP | Brooklyn, NY | New York Independent System Operator (NYIS) | 2.1 TWh | Feb 1996 | May 2026 | Natural Gas : 97.7% Distillate Fuel Oil : 2.3% |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Nov 1987 | Dec 2025 | Water |
| Curtis Palmer Hydroelectric | Palmer Hydroelectric | Corinth, NY | New York Independent System Operator (NYIS) | 276.6 GWh | Sep 1985 | Dec 2025 | Water |
| Saranac Facility | Saranac Power Partners LP | Plattsburgh, NY | New York Independent System Operator (NYIS) | 387.0 GWh | May 1994 | Dec 2025 | Natural Gas |
| MacArthur Waste to Energy Facility | Reworld MacArthur Renewable Energy | Ronkonkoma, NY | New York Independent System Operator (NYIS) | 52.4 GWh | Feb 1990 | May 2026 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8% |
| Carr Street Generating Station | Carr Street Generating Sta LP | East Syracuse, NY | New York Independent System Operator (NYIS) | 227.6 GWh | Jun 1993 | Dec 2025 | Natural Gas |
| Stillwater Hydro Electric Project | GR Catalyst One, LLC | Stillwater, NY | New York Independent System Operator (NYIS) | 10.0 GWh | Mar 1993 | Dec 2025 | Water |
| Ticonderoga Mill | Sylvamo North America LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 209.4 GWh | Dec 1969 | May 2026 | Natural Gas : 55.0% Black Liquor : 36.7% Residual Fuel Oil : 4.9% Wood/Wood Waste Solids : 3.4% |
| MM Albany Energy | MM Albany Energy LLC | Albany, NY | New York Independent System Operator (NYIS) | 6.8 GWh | Feb 1998 | Dec 2025 | Landfill Gas |
| Rensselaer Cogen | Rensselaer Generating LLC | Rensselaer, NY | New York Independent System Operator (NYIS) | 68.3 GWh | Mar 1994 | Dec 2025 | Natural Gas : 99.8% |
| Stony Brook Cogen Plant | Nissequoque Cogen Partners | Stony Brook, NY | New York Independent System Operator (NYIS) | 284.6 GWh | Mar 1995 | Dec 2025 | Natural Gas |
| Wheelabrator Westchester | Wheelabrator Environmental Systems | Peekskill, NY | New York Independent System Operator (NYIS) | 389.1 GWh | Sep 1984 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| World Generation X | North American Energy Services | North Tonawanda, NY | New York Independent System Operator (NYIS) | 404.3 GWh | Jun 1993 | Dec 2025 | Natural Gas |
| Longfalls Facility | Ampersand Long Falls Hydro, LLC | West Carthage, NY | New York Independent System Operator (NYIS) | 5.4 GWh | Sep 1991 | Dec 2025 | Water |
| Sithe Independence Station | Sithe/Independence LLC | Oswego, NY | New York Independent System Operator (NYIS) | 6.8 TWh | Jul 1994 | May 2026 | Natural Gas |
| Kennedy International Airport Cogen | KIAC Partners | Jamaica, NY | New York Independent System Operator (NYIS) | 609.1 GWh | Nov 1994 | Dec 2025 | Natural Gas |
| Oswego County Energy Recovery | Oswego County - (NY) | Fulton, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Jan 1986 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Huntington Resource Recovery Facility | Huntington Resource Recovery | East Northport, NY | New York Independent System Operator (NYIS) | 198.0 GWh | Nov 1991 | May 2026 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
| Dunn Paper | BiOrigin Specialty Products | Gouverneur, NY | New York Independent System Operator (NYIS) | 4.8 GWh | Dec 1958 | Dec 2025 | Water |
| New York University Central Plant | New York University | New York, NY | New York Independent System Operator (NYIS) | 78.8 GWh | Dec 1983 | Dec 2025 | Natural Gas : 96.5% Distillate Fuel Oil : 3.5% |
| NewYork-Presbyterian Brooklyn Methodist | NewYork-Presbyterian Brooklyn Methodist Hospital | Brooklyn, NY | New York Independent System Operator (NYIS) | 29.0 MWh | Dec 1990 | Dec 2025 | Distillate Fuel Oil |
| Onondaga County Resource Recovery | Covanta Onondega LP | Jamesville, NY | New York Independent System Operator (NYIS) | 179.4 GWh | Oct 1994 | May 2026 | Non-biogenic Municipal Solid Waste : 53.8% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.2% |
| Riverbay | Riverbay Corp | New York, NY | New York Independent System Operator (NYIS) | 130.1 GWh | Feb 2011 | Dec 2024 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Lower Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Nov 1979 | Dec 2025 | Water |
| Indeck Olean Energy Center | Indeck-Olean Ltd Partnership | Olean, NY | New York Independent System Operator (NYIS) | 79.7 GWh | Dec 1993 | Nov 2025 | Natural Gas : 99.8% |
| Seneca Energy | Seneca Energy II | Seneca Falls, NY | New York Independent System Operator (NYIS) | 32.9 GWh | Feb 1996 | May 2026 | Landfill Gas |
| Lockport Energy Associates LP | Lockport Energy Associates LP | Lockport, NY | New York Independent System Operator (NYIS) | 413.0 GWh | Jun 1992 | Dec 2025 | Natural Gas |
| NYU Langone Hospital- Brooklyn | NYU Langone Health | New York City, NY | New York Independent System Operator (NYIS) | 486.0 MWh | Dec 1993 | Dec 2024 | Natural Gas : 97.8% Distillate Fuel Oil : 2.2% |
| South Glens Falls Hydroelectric | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 64.5 GWh | Jul 1994 | Dec 2025 | Water |
| Phoenix Hydro Project | Eagle Creek Renewable Energy, LLC | Phoenix, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Dec 1990 | Dec 2025 | Water |
| Broadwater Power Project | Montana Dept-Natural Res&Consv | Toston, MT | NorthWestern Corporation (NWMT) | 27.9 GWh | May 1989 | Dec 2025 | Water |
| Yellowstone Energy LP | Yellowstone Energy LP | Billings, MT | NorthWestern Corporation (NWMT) | 450.2 GWh | May 1995 | May 2026 | Petroleum Coke : 99.7% |
| Hardin Generator Project | Heorot Power Management | Hardin, MT | NorthWestern Corporation (NWMT) | 366.5 GWh | Feb 2006 | Aug 2025 | Subbituminous Coal : 99.4% Natural Gas : 0.6% |
| Basin Creek Plant | Basin Creek Power Services LLC | Butte, MT | NorthWestern Corporation (NWMT) | 126.2 GWh | May 2006 | May 2026 | Natural Gas |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 406.8 GWh | Nov 2005 | May 2026 | Wind |
| Horseshoe Bend Wind Park | Cycle Holdings, LLC | Great Falls, MT | NorthWestern Corporation (NWMT) | 21.2 GWh | Jan 2006 | Dec 2025 | Wind |
| Lake (WY) | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 96.0 MWh | Aug 1967 | Dec 2025 | Distillate Fuel Oil |
| Colstrip | Talen Montana LLC | Colstrip, MT | NorthWestern Corporation (NWMT) | 8.2 TWh | Oct 1975 | May 2026 | Subbituminous Coal : 99.9% |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 75.6 GWh | Aug 1906 | Dec 2025 | Water |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 696.0 MWh | Aug 1985 | Nov 2025 | Water |
| Colstrip Energy LP | Colstrip Energy LP | Colstrip, MT | NorthWestern Corporation (NWMT) | 277.5 GWh | Jan 1990 | Dec 2025 | Waste/Other Coal : 99.6% |
| Dave Gates Generating Station | NorthWestern Energy (MT wind/thermal) | Anaconda, MT | NorthWestern Corporation (NWMT) | 420.9 GWh | Dec 2010 | May 2026 | Natural Gas |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 439.8 GWh | Jun 1915 | Dec 2025 | Water |
| Old Faithful | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 203.0 MWh | Nov 1979 | Dec 2025 | Distillate Fuel Oil |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 377.3 GWh | Jul 1915 | Dec 2025 | Water |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 298.6 GWh | Feb 2013 | Dec 2025 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 52.5 GWh | Apr 1925 | Dec 2025 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 214.7 GWh | Dec 1929 | Dec 2025 | Water |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 970.6 GWh | Sep 1938 | Dec 2025 | Water |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 247.5 GWh | Jun 1918 | Dec 2025 | Water |
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 128.4 GWh | Oct 1911 | Dec 2025 | Water |
| Cochrane | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 215.3 GWh | Jun 1958 | Dec 2025 | Water |
| Black Eagle | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 110.3 GWh | Aug 1927 | Dec 2025 | Water |
| MTSUN | Greenbacker Renewable Energy Corporation | Billings, MT | NorthWestern Corporation (NWMT) | 126.9 GWh | Dec 2022 | May 2026 | Solar |
| Apex Solar | Apex Solar LLC | Dillon, MT | NorthWestern Corporation (NWMT) | 151.9 GWh | Jul 2023 | May 2026 | Solar |
| Beaver Creek Wind Facility | Puget Sound Energy Inc | Big Timber, MT | NorthWestern Corporation (NWMT) | 531.1 GWh | Jul 2025 | May 2026 | Wind |
| Two Dot Wind Broadview East LLC | Two Dot Wind Broadview East LLC | Broadview, MT | NorthWestern Corporation (NWMT) | 4.2 GWh | Sep 2018 | Dec 2025 | Wind |
| GCC Trident Solar Project | GCC Trident LLC | Three Forks, MT | NorthWestern Corporation (NWMT) | 7.0 GWh | Nov 2022 | Dec 2025 | Solar |
| Yellowstone County Generating Station | NorthWestern Energy (MT wind/thermal) | Laurel, MT | NorthWestern Corporation (NWMT) | 400.1 GWh | Jun 2024 | May 2026 | Natural Gas |
| Clearwater Wind II | Clearwater Wind II, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 390.6 GWh | Nov 2023 | May 2026 | Wind |
| Clearwater Wind East | Portland General Electric Co | Miles City, MT | NorthWestern Corporation (NWMT) | 787.7 GWh | Dec 2023 | May 2026 | Wind |
| Two Dot Wind Farm | NorthWestern Energy (MT wind/thermal) | Two Dot, MT | NorthWestern Corporation (NWMT) | 28.8 GWh | May 2014 | Dec 2025 | Wind |
| Fairfield Wind | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 27.7 GWh | Apr 2014 | Dec 2025 | Wind |
| Musselshell Wind Project | Musselshell Wind Project LLC | Shawmut, MT | NorthWestern Corporation (NWMT) | 23.1 GWh | Nov 2012 | Dec 2024 | Wind |
| Musselshell Wind Project Two LLC | Musselshell Wind Project Two LLC | Shawmut, MT | NorthWestern Corporation (NWMT) | 26.5 GWh | Nov 2012 | Dec 2024 | Wind |
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 9.0 GWh | Feb 2013 | Dec 2025 | Water |
| Turnbull Hydro | Turnbull Hydro LLC | Fairfield, MT | NorthWestern Corporation (NWMT) | 19.0 GWh | May 2011 | Jul 2025 | Water |
| Spion Kop Wind Farm | NorthWestern Energy (MT wind/thermal) | Geyser, MT | NorthWestern Corporation (NWMT) | 97.7 GWh | Nov 2012 | Dec 2025 | Wind |
| Gordon Butte Wind LLC | Gordon Butte Wind LLC | Martinsdale, MT | NorthWestern Corporation (NWMT) | 66.5 GWh | Dec 2011 | Dec 2025 | Wind |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 272.5 GWh | Mar 2020 | May 2026 | Wind |
| Greenfield Wind - MT | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 78.6 GWh | Sep 2016 | Dec 2025 | Wind |
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 |