Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Sarpy County | Omaha Public Power District | Bellevue, NE | Southwest Power Pool (SWPP) | 191.6 GWh | May 1972 | Dec 2024 | Natural Gas : 97.3% Distillate Fuel Oil : 2.7% |
| North Omaha | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 1.5 TWh | Jun 1954 | Sep 2025 | Subbituminous Coal : 89.4% Natural Gas : 10.6% |
| Jones Street | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 15.6 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| Pensacola | Grand River Dam Authority | Langley, OK | Southwest Power Pool (SWPP) | 349.1 GWh | Jul 1940 | Dec 2024 | Water |
| North Platte | Nebraska Public Power District | North Platte, NE | Southwest Power Pool (SWPP) | 65.4 GWh | Dec 1934 | Dec 2024 | Water |
| Monroe (NE) | Loup River Public Power Dist | Monroe, NE | Southwest Power Pool (SWPP) | 25.4 GWh | Dec 1935 | Dec 2024 | Water |
| McCook | Nebraska Public Power District | McCook, NE | Southwest Power Pool (SWPP) | 3.8 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| Kearney | Nebraska Public Power District | Kearney, NE | Southwest Power Pool (SWPP) | 416.0 MWh | Dec 1920 | Sep 2024 | Water |
| Hebron | Nebraska Public Power District | Hebron, NE | Southwest Power Pool (SWPP) | 5.2 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| Hallam | Nebraska Public Power District | Hallam, NE | Southwest Power Pool (SWPP) | 3.4 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil : 71.2% Natural Gas : 28.8% |
| Columbus | Loup River Public Power Dist | Columbus, NE | Southwest Power Pool (SWPP) | 119.5 GWh | Dec 1935 | Dec 2024 | Water |
| J Street | Lincoln Electric System | Lincoln, NE | Southwest Power Pool (SWPP) | 413.0 MWh | Jan 1972 | Oct 2024 | Natural Gas : 86.3% Distillate Fuel Oil : 13.7% |
| Laurel | City of Laurel - (NE) | Laurel, NE | Southwest Power Pool (SWPP) | 3.0 MWh | Dec 1955 | Dec 2023 | Distillate Fuel Oil |
| Kimball | City of Kimball - (NE) | Kimball, NE | Southwest Power Pool (SWPP) | 61.0 MWh | Dec 1943 | Dec 2023 | Distillate Fuel Oil |
| Maddox | Southwestern Public Service Co | Hobbs, NM | Southwest Power Pool (SWPP) | 536.7 GWh | Dec 1962 | Sep 2025 | Natural Gas |
| Cunningham | Southwestern Public Service Co | Hobbs, NM | Southwest Power Pool (SWPP) | 1.8 TWh | Dec 1956 | Sep 2025 | Natural Gas |
| North Denver | City of Hastings - (NE) | Hastings, NE | Southwest Power Pool (SWPP) | 9.8 GWh | Nov 1957 | Nov 2024 | Natural Gas |
| Don Henry | City of Hastings - (NE) | Hastings, NE | Southwest Power Pool (SWPP) | 644.0 MWh | May 1972 | Dec 2024 | Natural Gas |
| C W Burdick | City of Grand Island - (NE) | Grand Island, NE | Southwest Power Pool (SWPP) | 4.8 GWh | Sep 1957 | Dec 2024 | Natural Gas : 81.9% Distillate Fuel Oil : 18.1% |
| Fort Randall | USACE-Omaha | Pickstown, SD | Southwest Power Pool (SWPP) | 1.6 TWh | Feb 1954 | Dec 2024 | Water |
| Wilkes | Southwestern Electric Power Co | Avinger, TX | Southwest Power Pool (SWPP) | 1.2 TWh | Apr 1964 | Dec 2024 | Natural Gas : 99.7% |
| Knox Lee | Southwestern Electric Power Co | Longview, TX | Southwest Power Pool (SWPP) | 321.3 GWh | Nov 1950 | Dec 2024 | Natural Gas |
| Big Bend Dam | USACE-Omaha | Chamberlain, SD | Southwest Power Pool (SWPP) | 813.0 GWh | Aug 1964 | Dec 2024 | Water |
| Oahe | USACE-Omaha | Pierre, SD | Southwest Power Pool (SWPP) | 2.2 TWh | Mar 1962 | Dec 2024 | Water |
| Aberdeen CT | NorthWestern Energy - (SD) | Aberdeen, SD | Southwest Power Pool (SWPP) | 29.7 GWh | Apr 1978 | Dec 2024 | Natural Gas : 93.2% Distillate Fuel Oil : 6.8% |
| Hawthorn | Evergy Metro | Kansas City, MO | Southwest Power Pool (SWPP) | 2.8 TWh | Apr 1969 | Sep 2025 | Subbituminous Coal : 78.3% Natural Gas : 21.7% |
| Northeast (MO) | Evergy Metro | Kansas City, MO | Southwest Power Pool (SWPP) | 27.2 GWh | Apr 1972 | Dec 2024 | Distillate Fuel Oil |
| Nevada | Evergy Missouri West | Nevada, MO | Southwest Power Pool (SWPP) | 346.0 MWh | May 1974 | Dec 2024 | Distillate Fuel Oil |
| Ralph Green | Evergy Missouri West | Pleasant Hill, MO | Southwest Power Pool (SWPP) | 49.9 GWh | May 1981 | Dec 2024 | Natural Gas |
| Lake Road (MO) | Evergy Missouri West | St Joseph, MO | Southwest Power Pool (SWPP) | 53.1 GWh | Jun 1950 | Sep 2025 | Natural Gas : 81.0% Subbituminous Coal : 15.2% Distillate Fuel Oil : 3.8% |
| Butler Municipal Power Plant | City of Butler - (MO) | Butler, MO | Southwest Power Pool (SWPP) | 1.0 MWh | May 1946 | Dec 2024 | Distillate Fuel Oil |
| Chillicothe | Chillicothe Municipal Utils | Chillicothe, MO | Southwest Power Pool (SWPP) | 5.2 GWh | May 1986 | Nov 2024 | Natural Gas : 85.1% Distillate Fuel Oil : 14.9% |
| Higginsville | City of Higginsville - (MO) | Higginsville, MO | Southwest Power Pool (SWPP) | 6.4 GWh | Dec 1944 | Nov 2024 | Natural Gas : 95.3% Distillate Fuel Oil : 4.7% |
| Jackson Square | City of Independence - (MO) | Independence, MO | Southwest Power Pool (SWPP) | 699.0 MWh | May 1969 | Dec 2024 | Distillate Fuel Oil |
| Kingfisher | City of Kingfisher - (OK) | Kingfisher, OK | Southwest Power Pool (SWPP) | 173.0 MWh | Dec 1953 | Dec 2024 | Natural Gas : 69.5% Distillate Fuel Oil : 30.5% |
| Pawhuska | City of Pawhuska - (OK) | Pawhuska, OK | Southwest Power Pool (SWPP) | 136.0 MWh | Aug 1949 | Dec 2024 | Distillate Fuel Oil |
| Anadarko Plant | Western Farmers Elec Coop, Inc | Anadarko, OK | Southwest Power Pool (SWPP) | 911.4 GWh | Jul 1953 | Sep 2025 | Natural Gas |
| Mooreland | Western Farmers Elec Coop, Inc | Mooreland, OK | Southwest Power Pool (SWPP) | 119.8 GWh | Feb 1964 | Dec 2024 | Natural Gas |
| James River Power Station | City Utilities of Springfield - (MO) | Springfield, MO | Southwest Power Pool (SWPP) | 77.9 GWh | May 1957 | Sep 2025 | Natural Gas : 92.0% Distillate Fuel Oil : 8.0% |
| Marshall (MO) | City of Marshall - (MO) | Marshall, MO | Southwest Power Pool (SWPP) | 437.0 MWh | May 1948 | Dec 2024 | Natural Gas : 85.4% Distillate Fuel Oil : 14.6% |
| Malden | City of Malden - (MO) | Malden, MO | Southwest Power Pool (SWPP) | 128.0 MWh | Jul 1957 | Dec 2024 | Distillate Fuel Oil |
| La Plata | City of La Plata - (MO) | La Plata, MO | Southwest Power Pool (SWPP) | 21.0 MWh | Feb 2013 | Dec 2024 | Distillate Fuel Oil |
| Station I | City of Independence - (MO) | Independence, MO | Southwest Power Pool (SWPP) | 3.2 GWh | May 1972 | Dec 2024 | Distillate Fuel Oil |
| Station H | City of Independence - (MO) | Independence, MO | Southwest Power Pool (SWPP) | 15.1 GWh | May 1972 | Dec 2024 | Natural Gas : 93.3% Distillate Fuel Oil : 6.7% |
| Kennett | City of Kennett - (MO) | Kennett, MO | Southwest Power Pool (SWPP) | 1.8 GWh | Jul 1942 | Dec 2024 | Distillate Fuel Oil : 91.1% Natural Gas : 8.9% |
| Hoisington | City of Hoisington - (KS) | Hoisington, KS | Southwest Power Pool (SWPP) | 32.0 MWh | Jul 1961 | Dec 2024 | Distillate Fuel Oil : 62.2% Natural Gas : 37.8% |
| Girard | City of Girard - (KS) | Girard, KS | Southwest Power Pool (SWPP) | 109.0 MWh | Aug 1955 | Dec 2024 | Distillate Fuel Oil : 67.3% Natural Gas : 32.7% |
| Hill City | City of Hill City | Hill City, KS | Southwest Power Pool (SWPP) | 11.0 MWh | Apr 1952 | Dec 2024 | Distillate Fuel Oil |
| Platte | City of Grand Island - (NE) | Grand Island, NE | Southwest Power Pool (SWPP) | 358.8 GWh | Nov 1982 | Dec 2024 | Subbituminous Coal : 99.8% |
| Whelan Energy Center | City of Hastings - (NE) | Hastings, NE | Southwest Power Pool (SWPP) | 1.4 TWh | Jun 1981 | Sep 2025 | Subbituminous Coal : 99.8% |
| Holcomb | Sunflower Electric Power Corp | Holcomb, KS | Southwest Power Pool (SWPP) | 1.7 TWh | Jul 1983 | Sep 2025 | Subbituminous Coal : 99.3% Natural Gas : 0.7% |
| GREC | Grand River Dam Authority | Chouteau, OK | Southwest Power Pool (SWPP) | 3.9 TWh | May 1981 | Sep 2025 | Natural Gas : 72.5% Subbituminous Coal : 27.5% |
| Thomas Fitzhugh | Arkansas Electric Coop Corp | Ozark, AR | Southwest Power Pool (SWPP) | 484.4 GWh | Apr 1963 | Dec 2024 | Natural Gas |
| Wolf Creek Generating Station | Wolf Creek Nuclear Optg Corp | Burlington, KS | Southwest Power Pool (SWPP) | 10.6 TWh | Aug 1985 | Sep 2025 | Nuclear |
| Garnett Municipal | City of Garnett - (KS) | Garnett, KS | Southwest Power Pool (SWPP) | 8.0 MWh | Dec 1929 | Dec 2024 | Distillate Fuel Oil |
| Holton | City of Holton - (KS) | City of Holton, KS | Southwest Power Pool (SWPP) | 816.0 MWh | Jan 1958 | Dec 2024 | Natural Gas : 91.0% Distillate Fuel Oil : 9.0% |
| Trenton North | Trenton Municipal Utilities - (MO) | Trenton, MO | Southwest Power Pool (SWPP) | 157.0 MWh | May 1974 | Dec 2024 | Distillate Fuel Oil |
| Iola | City of Iola - (KS) | Iola, KS | Southwest Power Pool (SWPP) | 563.0 MWh | Apr 1969 | Dec 2024 | Natural Gas : 89.6% Distillate Fuel Oil : 10.4% |
| Jetmore | City of Jetmore | Jetmore, KS | Southwest Power Pool (SWPP) | 117.0 MWh | Dec 1950 | Dec 2024 | Distillate Fuel Oil |
| Quindaro | City of Kansas City - (KS) | Kansas, KS | Southwest Power Pool (SWPP) | 10.4 GWh | Apr 1965 | Dec 2024 | Distillate Fuel Oil |
| Kingman Municipal Power and Light Plant | City of Kingman - (KS) | Kingman, KS | Southwest Power Pool (SWPP) | 1.6 GWh | Mar 1962 | Dec 2024 | Natural Gas : 83.1% Distillate Fuel Oil : 16.9% |
| La Crosse | City of La Crosse - (KS) | La Crosse, KS | Southwest Power Pool (SWPP) | 13.0 MWh | Oct 1962 | Dec 2024 | Distillate Fuel Oil |
| Lincoln | City of Lincoln Center - (KS) | Lincoln, KS | Southwest Power Pool (SWPP) | 22.0 MWh | Dec 1957 | Dec 2024 | Natural Gas : 91.3% Distillate Fuel Oil : 8.7% |
| Baldwin City Plant No 1 | City of Baldwin City- (KS) | Baldwin City, KS | Southwest Power Pool (SWPP) | 12.0 MWh | Apr 1956 | Dec 2024 | Distillate Fuel Oil |
| Riverton | Empire District Electric Co | Riverton, KS | Southwest Power Pool (SWPP) | 1.5 TWh | May 1950 | Sep 2025 | Natural Gas |
| Gordon Evans Energy Center | Evergy Kansas South, Inc | Colwich, KS | Southwest Power Pool (SWPP) | 225.4 GWh | May 1961 | Sep 2025 | Natural Gas : 98.5% Distillate Fuel Oil : 1.5% |
| La Cygne | Evergy Metro | La Cygne, KS | Southwest Power Pool (SWPP) | 6.5 TWh | May 1973 | Sep 2025 | Subbituminous Coal : 99.6% |
| Hutchinson Energy Center | Evergy Kansas Central, Inc | Hutchinson, KS | Southwest Power Pool (SWPP) | 29.1 GWh | Apr 1965 | Dec 2024 | Natural Gas : 77.6% Distillate Fuel Oil : 22.4% |
| Lawrence Energy Center | Evergy Kansas Central, Inc | Lawrence, KS | Southwest Power Pool (SWPP) | 909.0 GWh | Dec 1954 | Sep 2025 | Subbituminous Coal : 90.7% Natural Gas : 9.3% |
| Anthony | City of Anthony - (KS) | Anthony, KS | Southwest Power Pool (SWPP) | 4.0 MWh | Jul 1972 | Dec 2024 | Natural Gas : 92.6% Distillate Fuel Oil : 7.4% |
| Ashland | City of Ashland - (KS) | Ashland, KS | Southwest Power Pool (SWPP) | 24.0 MWh | Aug 1953 | Dec 2024 | Distillate Fuel Oil |
| Augusta Electric Plant No 1 | City of Augusta - (KS) | Augusta, KS | Southwest Power Pool (SWPP) | 6.0 MWh | Jul 1929 | Dec 2024 | Distillate Fuel Oil |
| Cimarron River | Sunflower Electric Power Corp | Liberal, KS | Southwest Power Pool (SWPP) | 57.7 GWh | Sep 1963 | Dec 2024 | Natural Gas |
| Belleville | City of Belleville - (KS) | Belleville, KS | Southwest Power Pool (SWPP) | 205.0 MWh | Dec 1954 | Dec 2024 | Distillate Fuel Oil : 71.0% Natural Gas : 29.0% |
| Beloit | City of Beloit - (KS) | Beloit, KS | Southwest Power Pool (SWPP) | 192.0 MWh | Apr 1950 | Dec 2024 | Natural Gas : 73.4% Distillate Fuel Oil : 26.6% |
| Burlingame | City of Burlingame - (KS) | Burlingame, KS | Southwest Power Pool (SWPP) | 11.8 MWh | Jul 1963 | Dec 2024 | Natural Gas : 93.4% Distillate Fuel Oil : 6.6% |
| Burlington (KS) | City of Burlington - (KS) | Burlington, KS | Southwest Power Pool (SWPP) | 257.0 MWh | Jun 1955 | Dec 2024 | Distillate Fuel Oil |
| Chanute 2 | City of Chanute | Chanute, KS | Southwest Power Pool (SWPP) | 24.6 GWh | Jul 1965 | Dec 2024 | Natural Gas |
| Coffeyville | City of Coffeyville - (KS) | Coffeyville, KS | Southwest Power Pool (SWPP) | 16.8 GWh | Jul 1956 | Dec 2024 | Natural Gas |
| Ellinwood | City of Ellinwood - (KS) | Ellinwood, KS | Southwest Power Pool (SWPP) | 118.0 MWh | May 1948 | Dec 2024 | Natural Gas : 77.6% Distillate Fuel Oil : 22.4% |
| Erie | City of Erie - (KS) | Erie, KS | Southwest Power Pool (SWPP) | 24.5 MWh | Oct 1958 | Dec 2024 | Distillate Fuel Oil |
| Algona | City of Algona - (IA) | Algona, IA | Southwest Power Pool (SWPP) | 507.0 MWh | Nov 1965 | Dec 2024 | Distillate Fuel Oil : 99.5% Natural Gas : 0.5% |
| St Francis | City of St Francis - (KS) | St Francis, KS | Southwest Power Pool (SWPP) | 19.6 MWh | Jul 1953 | Dec 2024 | Distillate Fuel Oil |
| Sterling | City of Sterling - (KS) | Sterling, KS | Southwest Power Pool (SWPP) | 32.0 MWh | Jul 1950 | Dec 2024 | Natural Gas : 62.1% Distillate Fuel Oil : 37.9% |
| Lieberman | Southwestern Electric Power Co | Mooringsport, LA | Southwest Power Pool (SWPP) | 183.9 GWh | Jun 1947 | Dec 2024 | Natural Gas |
| Arsenal Hill | Southwestern Electric Power Co | Shreveport, LA | Southwest Power Pool (SWPP) | 192.1 GWh | Feb 1960 | Dec 2024 | Natural Gas |
| Washington | City of Washington - (KS) | Washington, KS | Southwest Power Pool (SWPP) | 125.0 MWh | Oct 1953 | Dec 2024 | Distillate Fuel Oil : 73.7% Natural Gas : 26.3% |
| Wellington 1 | City of Wellington - (KS) | Wellington, KS | Southwest Power Pool (SWPP) | 6.5 GWh | Jul 1972 | Dec 2024 | Natural Gas : 99.9% |
| West 14th Street | City of Winfield - (KS) | Winfield, KS | Southwest Power Pool (SWPP) | 1.3 GWh | Jul 1962 | Dec 2024 | Natural Gas |
| Garden City | Sunflower Electric Power Corp | Garden City, KS | Southwest Power Pool (SWPP) | 68.2 GWh | May 1968 | Dec 2024 | Natural Gas |
| Kingsley | Central Nebraska Pub P&I Dist | Ogallala, NE | Southwest Power Pool (SWPP) | 48.0 GWh | Oct 1984 | Dec 2024 | Water |
| Great Bend - Sunflower | Sunflower Electric Power Corp | Great Bend, KS | Southwest Power Pool (SWPP) | 51.9 GWh | May 1963 | Dec 2024 | Natural Gas |
| Alta Municipal Utilities | City of Alta - (IA) | Alta, IA | Southwest Power Pool (SWPP) | 70.0 MWh | Jul 1947 | Dec 2024 | Distillate Fuel Oil |
| Estherville | City of Estherville - (IA) | Estherville, IA | Southwest Power Pool (SWPP) | 199.0 MWh | Nov 1946 | Dec 2024 | Distillate Fuel Oil |
| Laurens | City of Laurens - (IA) | Laurens, IA | Southwest Power Pool (SWPP) | 257.0 MWh | Jun 1951 | Dec 2024 | Distillate Fuel Oil |
| Milford | City of Milford - (IA) | Milford, IA | Southwest Power Pool (SWPP) | 283.0 MWh | Dec 1948 | Dec 2024 | Distillate Fuel Oil |
| New Hampton | City of New Hampton - (IA) | New Hampton, IA | Southwest Power Pool (SWPP) | 676.0 MWh | Mar 1967 | Dec 2024 | Distillate Fuel Oil : 61.8% Natural Gas : 38.2% |
| Rock Rapids | Rock Rapids Municipal Utility | Rock Rapids, IA | Southwest Power Pool (SWPP) | 13.0 MWh | Mar 1968 | Dec 2023 | Distillate Fuel Oil |
| Earl F Wisdom | Corn Belt Power Coop | Spencer, IA | Southwest Power Pool (SWPP) | 7.1 GWh | Mar 1960 | Dec 2024 | Natural Gas : 95.6% Distillate Fuel Oil : 4.4% |
| Colby | Midwest Energy Inc - (KS) | Colby, KS | Southwest Power Pool (SWPP) | 1.2 GWh | Dec 1969 | Dec 2024 | Natural Gas |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |