Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Kaukauna City Hydro | City of Kaukauna | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 28.3 GWh | Nov 1940 | Dec 2023 | Water |
| Rapide Croche | City of Kaukauna | Kaukana, WI | Midcontinent Independent System Operator, Inc. (MISO) | 15.0 GWh | Dec 1925 | Dec 2023 | Water |
| Kimberly Mill | City of Kaukauna | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.3 GWh | Dec 1925 | Dec 2023 | Water |
| Nearman Creek | City of Kansas City - (KS) | Kansas, KS | Southwest Power Pool (SWPP) | 646.5 GWh | May 1981 | Aug 2024 | Subbituminous Coal : 82.9% Natural Gas : 15.0% Distillate Fuel Oil : 2.1% |
| Quindaro | City of Kansas City - (KS) | Kansas, KS | Southwest Power Pool (SWPP) | 6.2 GWh | Apr 1965 | Dec 2023 | Distillate Fuel Oil |
| Kahoka | City of Kahoka | Kahoka, MO | Midcontinent Independent System Operator, Inc. (MISO) | 17.0 MWh | Dec 1940 | Dec 2023 | Distillate Fuel Oil |
| Johnson | City of Johnson - (KS) | Johnson, KS | Southwest Power Pool (SWPP) | 35.0 MWh | Feb 1950 | Dec 2023 | Distillate Fuel Oil |
| Jetmore | City of Jetmore | Jetmore, KS | Southwest Power Pool (SWPP) | 61.0 MWh | Dec 1950 | Dec 2023 | Distillate Fuel Oil |
| Janesville | City of Janesville - (MN) | Janesville, MN | Midcontinent Independent System Operator, Inc. (MISO) | 69.0 MWh | Apr 1955 | Dec 2023 | Distillate Fuel Oil : 93.5% Natural Gas : 6.5% |
| Jackson (MO) | City of Jackson - (MO) | Jackson, MO | Midcontinent Independent System Operator, Inc. (MISO) | 137.0 MWh | Dec 1935 | Dec 2023 | Distillate Fuel Oil : 59.8% Natural Gas : 40.2% |
| Iola | City of Iola - (KS) | Iola, KS | Southwest Power Pool (SWPP) | 909.0 MWh | Apr 1969 | Dec 2023 | Natural Gas : 93.7% Distillate Fuel Oil : 6.3% |
| Industry MetroLink PV 1 | City of Industry | Industry, CA | California Independent System Operator (CISO) | 860.0 MWh | Mar 2012 | Dec 2023 | Solar |
| Station H | City of Independence - (MO) | Independence, MO | Southwest Power Pool (SWPP) | 4.7 GWh | May 1972 | Dec 2023 | Natural Gas : 99.9% |
| Station I | City of Independence - (MO) | Independence, MO | Southwest Power Pool (SWPP) | 3.1 GWh | May 1972 | Dec 2023 | Distillate Fuel Oil |
| Jackson Square | City of Independence - (MO) | Independence, MO | Southwest Power Pool (SWPP) | 1.9 GWh | May 1969 | Dec 2023 | Distillate Fuel Oil |
| Upper Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 7.0 GWh | Aug 1982 | Dec 2023 | Water |
| Lower No 2 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 4.5 GWh | Jul 1940 | Oct 2023 | Water |
| City Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 39.1 GWh | Jun 1982 | Dec 2023 | Water |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 104.1 GWh | Oct 1988 | Dec 2023 | Water |
| Lower No 1 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 39.6 GWh | Mar 1982 | Dec 2023 | Water |
| Hugoton 2 | City of Hugoton - (KS) | Hugoton, KS | Southwest Power Pool (SWPP) | 18.6 MWh | Dec 1963 | Dec 2023 | Distillate Fuel Oil |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Aug 1973 | Dec 2023 | Distillate Fuel Oil |
| Cabot Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 6.1 GWh | Dec 1892 | Dec 2023 | Water |
| Boatlock | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 21.3 GWh | Dec 1920 | Dec 2023 | Water |
| Chemical | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 7.4 GWh | Dec 1934 | Dec 2023 | Water |
| Hadley Falls | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 218.2 GWh | Dec 1951 | Dec 2023 | Water |
| Riverside Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 40.4 GWh | Dec 1905 | Dec 2023 | Water |
| Cobble Mountain | City of Holyoke Gas and Electric Dept. | Granville, MA | ISO New England (ISNE) | 10.5 GWh | Dec 1929 | Dec 2023 | Water |
| Holton | City of Holton - (KS) | City of Holton, KS | Southwest Power Pool (SWPP) | 1.0 GWh | Jan 1958 | Dec 2023 | Natural Gas : 92.7% Distillate Fuel Oil : 7.3% |
| 491 E 48th Street | City of Holland | Holland, MI | Midcontinent Independent System Operator, Inc. (MISO) | 65.3 GWh | Apr 1992 | Dec 2023 | Natural Gas |
| Holland Energy Park | City of Holland | Holland, MI | Midcontinent Independent System Operator, Inc. (MISO) | 947.0 GWh | May 2017 | Dec 2023 | Natural Gas |
| Hoisington | City of Hoisington - (KS) | Hoisington, KS | Southwest Power Pool (SWPP) | 62.0 MWh | Jul 1961 | Dec 2023 | Natural Gas : 65.4% Distillate Fuel Oil : 34.6% |
| Hillsboro | City of Hillsboro - (ND) | Hillsboro, ND | Midcontinent Independent System Operator, Inc. (MISO) | 15.0 MWh | Jun 2002 | Dec 2023 | Distillate Fuel Oil |
| Hill City | City of Hill City | Hill City, KS | Southwest Power Pool (SWPP) | 37.0 MWh | Apr 1952 | Dec 2023 | Distillate Fuel Oil |
| Highland | City of Highland | Highland, IL | Midcontinent Independent System Operator, Inc. (MISO) | 105.0 MWh | Feb 1967 | Dec 2023 | Distillate Fuel Oil |
| Westside WWTP | City Of High Point | Thomasville, NC | Duke Energy Carolinas (DUK) | 30.0 MWh | Apr 2005 | Dec 2023 | Distillate Fuel Oil |
| Ward WTP | City Of High Point | High Point, NC | Duke Energy Carolinas (DUK) | 24.0 MWh | Jan 1999 | Dec 2023 | Distillate Fuel Oil |
| Eastside WWTP | City Of High Point | High Point, NC | Duke Energy Carolinas (DUK) | 213.0 MWh | Jul 2004 | Dec 2023 | Distillate Fuel Oil |
| Higginsville | City of Higginsville - (MO) | Higginsville, MO | Southwest Power Pool (SWPP) | 2.7 GWh | Dec 1944 | Oct 2023 | Natural Gas : 93.2% Distillate Fuel Oil : 6.8% |
| City of Hayward WWTP | City of Hayward | Hayward, CA | California Independent System Operator (CISO) | 10.3 GWh | Oct 2010 | Dec 2023 | Other Biomass Gas : 66.0% Solar : 30.5% Natural Gas : 3.5% |
| Whelan Energy Center | City of Hastings - (NE) | Hastings, NE | Southwest Power Pool (SWPP) | 1.1 TWh | Jun 1981 | Aug 2024 | Subbituminous Coal : 99.7% |
| Don Henry | City of Hastings - (NE) | Hastings, NE | Southwest Power Pool (SWPP) | 1.1 GWh | May 1972 | Dec 2023 | Natural Gas |
| North Denver | City of Hastings - (NE) | Hastings, NE | Southwest Power Pool (SWPP) | 5.5 GWh | Nov 1957 | Dec 2023 | Natural Gas |
| Hastings Community Solar Farm | City of Hastings - (NE) | Hastings, NE | Southwest Power Pool (SWPP) | 3.5 GWh | Aug 2019 | Dec 2023 | Solar |
| Mount Clinton | City of Harrisonburg - (VA) | Harrisonburg, VA | PJM Interconnection, LLC (PJM) | 1.3 GWh | Apr 1999 | Dec 2023 | Distillate Fuel Oil |
| Pleasant Valley (VA) | City of Harrisonburg - (VA) | Harrisonburg, VA | PJM Interconnection, LLC (PJM) | 890.8 MWh | Mar 1997 | Dec 2023 | Distillate Fuel Oil |
| Meldahl Hydroelectric Project | City of Hamilton - (OH) | Foster, KY | PJM Interconnection, LLC (PJM) | 539.3 GWh | Dec 2015 | Dec 2023 | Water |
| Hamilton Hydro | City of Hamilton - (OH) | HAMILTON, OH | PJM Interconnection, LLC (PJM) | 5.7 GWh | Apr 1994 | Dec 2023 | Water |
| Greenup Hydro | City of Hamilton - (OH) | Franklin Furnace, OH | PJM Interconnection, LLC (PJM) | 262.2 GWh | Nov 1982 | Dec 2023 | Water |
| Hamilton (OH) | City of Hamilton - (OH) | Hamilton, OH | PJM Interconnection, LLC (PJM) | 776.0 MWh | Feb 1954 | Dec 2023 | Natural Gas |
| Halstad | City of Halstad - (MN) | Halstad, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 MWh | Aug 2007 | Dec 2023 | Distillate Fuel Oil |
| Powerlane Plant | City of Greenville - (TX) | Greenville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 62.4 GWh | Dec 1965 | Dec 2023 | Natural Gas : 96.8% Distillate Fuel Oil : 3.2% |
| North Generation Plant | City of Greenfield - (IA) | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 45.0 MWh | Dec 2001 | Dec 2023 | Distillate Fuel Oil |
| Downtown Generation Plant | City of Greenfield - (IA) | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 MWh | Jun 2020 | Dec 2023 | Distillate Fuel Oil |
| Granite Falls | City of Granite Falls - (MN) | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 604.0 MWh | Jul 1932 | Dec 2023 | Water |
| Grand Marais | City of Grand Marais - (MN) | Grand Marais, MN | Midcontinent Independent System Operator, Inc. (MISO) | 93.0 MWh | Jan 2004 | Dec 2023 | Distillate Fuel Oil |
| Grand Junction | City of Grand Junction - (IA) | Grand Junction, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Nov 1994 | Dec 2023 | Distillate Fuel Oil |
| C W Burdick | City of Grand Island - (NE) | Grand Island, NE | Southwest Power Pool (SWPP) | 5.1 GWh | Sep 1957 | Dec 2023 | Natural Gas : 62.7% Distillate Fuel Oil : 37.3% |
| Platte | City of Grand Island - (NE) | Grand Island, NE | Southwest Power Pool (SWPP) | 361.9 GWh | Nov 1982 | Dec 2023 | Subbituminous Coal : 99.7% |
| Graettinger | City of Graettinger - (IA) | Graettinger, IA | Midcontinent Independent System Operator, Inc. (MISO) | 255.0 MWh | Jul 1957 | Dec 2023 | Distillate Fuel Oil |
| Grayson | City of Glendale - (CA) | Glendale, CA | Los Angeles Department of Water and Power (LDWP) | 35.5 GWh | Nov 1953 | Aug 2024 | Natural Gas |
| Girard | City of Girard - (KS) | Girard, KS | Southwest Power Pool (SWPP) | 185.0 MWh | Aug 1955 | Dec 2023 | Natural Gas : 56.0% Distillate Fuel Oil : 44.0% |
| Geneva Generation Facility | City of Geneva- (IL) | Geneva, IL | PJM Interconnection, LLC (PJM) | 3.7 GWh | May 2005 | Dec 2023 | Natural Gas |
| Geneseo | City of Geneseo - (IL) | Geneseo, IL | Midcontinent Independent System Operator, Inc. (MISO) | 7.5 GWh | Jun 1957 | Aug 2024 | Wind : 73.9% Solar : 20.9% Distillate Fuel Oil : 5.1% |
| Gaston Memorial Hospital | City of Gastonia | Gastonia, NC | Duke Energy Carolinas (DUK) | 39.0 MWh | Apr 2006 | Aug 2024 | Distillate Fuel Oil |
| Long Creek Waste Water Plant | City of Gastonia | Dallas, NC | Duke Energy Carolinas (DUK) | 428.0 MWh | Dec 1994 | Aug 2024 | Distillate Fuel Oil |
| Garnett Municipal | City of Garnett - (KS) | Garnett, KS | Southwest Power Pool (SWPP) | 9.0 MWh | Dec 1929 | Dec 2023 | Distillate Fuel Oil |
| Ray Olinger | City of Garland - (TX) | Navada, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 117.4 GWh | Jun 1967 | Dec 2023 | Natural Gas |
| Spencer | City of Garland - (TX) | Denton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 46.6 GWh | May 1966 | Oct 2023 | Natural Gas |
| Gardner Energy Center | City of Gardner - (KS) | Gardner, KS | Southwest Power Pool (SWPP) | 40.0 MWh | Apr 1990 | Dec 2022 | Natural Gas |
| Fulton (MO) | City of Fulton - (MO) | Fulton, MO | Associated Electric Cooperative, Inc. (AECI) | 206.0 MWh | Aug 1966 | Dec 2023 | Natural Gas |
| Lon Wright | City of Fremont - (NE) | Fremont, NE | Southwest Power Pool (SWPP) | 521.6 GWh | Jul 1957 | Dec 2023 | Subbituminous Coal : 92.8% Natural Gas : 6.4% Solar : 0.8% |
| Fredonia | City of Fredonia - (KS) | Fredonia, KS | Southwest Power Pool (SWPP) | 15.0 MWh | May 2023 | Dec 2023 | Distillate Fuel Oil |
| Downtown | City of Franklin - (VA) | Franklin, VA | PJM Interconnection, LLC (PJM) | 232.0 MWh | Oct 1992 | Dec 2023 | Distillate Fuel Oil |
| Pretlow | City of Franklin - (VA) | Franklin, VA | PJM Interconnection, LLC (PJM) | 231.0 MWh | Mar 2001 | Dec 2023 | Distillate Fuel Oil |
| Franklin (NE) | City of Franklin - (NE) | Franklin, NE | Southwest Power Pool (SWPP) | 32.0 MWh | Dec 1954 | Dec 2023 | Natural Gas : 91.1% Distillate Fuel Oil : 8.9% |
| Ft. Pierre | City of Fort Pierre - (SD) | Fort Pierre, SD | Southwest Power Pool (SWPP) | 52.9 MWh | Sep 2004 | Dec 2023 | Distillate Fuel Oil |
| Forest City Light Plant | City of Forest City- (IA) | Forest City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 120.0 MWh | Dec 1945 | Dec 2023 | Distillate Fuel Oil |
| Flora Site A | City of Flora - (IL) | Flora, IL | Midcontinent Independent System Operator, Inc. (MISO) | 40.0 MWh | Nov 2001 | Dec 2023 | Distillate Fuel Oil |
| Flora Site B | City of Flora - (IL) | Flora, IL | Midcontinent Independent System Operator, Inc. (MISO) | 27.0 MWh | Nov 2001 | Dec 2023 | Distillate Fuel Oil |
| Fennimore | City of Fennimore - (WI) | Fennimore, WI | Midcontinent Independent System Operator, Inc. (MISO) | 28.0 MWh | Jan 1952 | Dec 2023 | Distillate Fuel Oil |
| Bluffview | City of Farmington - (NM) | Farmington, NM | Western Area Power Administration - Rocky Mountain Region (WACM) | 276.8 GWh | Apr 2005 | Aug 2024 | Natural Gas |
| Navajo Dam | City of Farmington - (NM) | Farmington, NM | Western Area Power Administration - Rocky Mountain Region (WACM) | 91.4 GWh | Dec 1988 | Dec 2023 | Water |
| Elm Street Substation Generators | City of Farmington - (MO) | Farmington, MO | Midcontinent Independent System Operator, Inc. (MISO) | 32.0 MWh | Sep 2002 | Dec 2023 | Distillate Fuel Oil |
| Walton Street Substation | City of Farmington - (MO) | Farmington, MO | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 MWh | Dec 2002 | Dec 2023 | Distillate Fuel Oil |
| Overall Road Station | City of Farmington - (MO) | Farmington, MO | Midcontinent Independent System Operator, Inc. (MISO) | 32.0 MWh | Feb 2003 | Dec 2023 | Distillate Fuel Oil |
| Farmer City | City of Farmer City - (IL) | Farmer City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 36.0 MWh | Mar 1951 | Dec 2023 | Distillate Fuel Oil |
| Falls City | City of Falls City - (NE) | Falls City, NE | Southwest Power Pool (SWPP) | 161.0 MWh | Jul 1930 | Dec 2023 | Natural Gas : 65.4% Distillate Fuel Oil : 34.6% |
| Fairfax | City of Fairfax - (MN) | Fairfax, MN | Midcontinent Independent System Operator, Inc. (MISO) | 35.3 MWh | Jul 2001 | Dec 2023 | Distillate Fuel Oil |
| Estherville | City of Estherville - (IA) | Estherville, IA | Southwest Power Pool (SWPP) | 783.0 MWh | Nov 1946 | Dec 2023 | Distillate Fuel Oil |
| Bear Valley | City of Escondido - (CA) | Escondido, CA | California Independent System Operator (CISO) | 2.7 GWh | May 1986 | Dec 2023 | Water |
| Erie | City of Erie - (KS) | Erie, KS | Southwest Power Pool (SWPP) | 7.0 MWh | Oct 1958 | Dec 2023 | Distillate Fuel Oil |
| Erie Energy Center | City of Erie - (KS) | Erie, KS | Southwest Power Pool (SWPP) | 1.9 GWh | Jun 1999 | Dec 2023 | Distillate Fuel Oil |
| Hydro Plant No 3 | City of Ephraim - (UT) | east of Ephraim, UT | PacifiCorp East (PACE) | 2.8 GWh | Aug 1984 | Dec 2023 | Water |
| Emerson | City of Emerson - (NE) | Emerson, NE | Southwest Power Pool (SWPP) | 7.0 MWh | Dec 1946 | Dec 2023 | Natural Gas : 54.9% Distillate Fuel Oil : 45.1% |
| Elroy | City of Elroy - (WI) | Elroy, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Apr 1973 | Dec 2023 | Distillate Fuel Oil |
| Ellinwood | City of Ellinwood - (KS) | Ellinwood, KS | Southwest Power Pool (SWPP) | 48.0 MWh | May 1948 | Dec 2023 | Natural Gas : 80.3% Distillate Fuel Oil : 19.7% |
| Elk River City of | City of Elk River | Elk River, MN | Midcontinent Independent System Operator, Inc. (MISO) | 32.0 MWh | Feb 1948 | Dec 2023 | Distillate Fuel Oil |
| Earlville | City of Earlville - (IA) | Earlville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 MWh | Jun 2001 | Dec 2023 | Distillate Fuel Oil |
| Durant | City of Durant - (IA) | Durant, IA | Midcontinent Independent System Operator, Inc. (MISO) | 48.0 MWh | Jun 1970 | Dec 2023 | Distillate Fuel Oil |
Summary of Power Plants By State
Figures are based on August 2024 generation numbers.| State | Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Alabama | # 7 | 78 | 14,073.11 GWh |
| Alaska | # 48 | 147 | 631.71 GWh |
| Arizona | # 10 | 161 | 12,447.73 GWh |
| Arkansas | # 23 | 77 | 6,473.81 GWh |
| California | # 4 | 1,666 | 22,299.47 GWh |
| Colorado | # 28 | 277 | 5,476.67 GWh |
| Connecticut | # 33 | 159 | 4,351.57 GWh |
| Delaware | # 49 | 31 | 481.79 GWh |
| District of Columbia | # 51 | 12 | 19.18 GWh |
| Florida | # 2 | 286 | 27,339.08 GWh |
| Georgia | # 6 | 251 | 14,863.07 GWh |
| Hawaii | # 47 | 69 | 841.39 GWh |
| Idaho | # 43 | 142 | 1,655.52 GWh |
| Illinois | # 5 | 335 | 17,196.16 GWh |
| Indiana | # 18 | 202 | 9,001.13 GWh |
| Iowa | # 26 | 283 | 5,529.62 GWh |
| Kansas | # 31 | 165 | 5,363.63 GWh |
| Kentucky | # 21 | 55 | 6,964.00 GWh |
| Louisiana | # 14 | 82 | 10,133.66 GWh |
| Maine | # 45 | 162 | 1,185.43 GWh |
| Maryland | # 38 | 185 | 3,346.65 GWh |
| Massachusetts | # 41 | 614 | 1,896.47 GWh |
| Michigan | # 12 | 274 | 12,135.86 GWh |
| Minnesota | # 27 | 748 | 5,511.98 GWh |
| Mississippi | # 19 | 55 | 7,436.42 GWh |
| Missouri | # 20 | 126 | 7,051.26 GWh |
| State | Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,306.38 GWh |
| Nebraska | # 36 | 125 | 3,559.93 GWh |
| Nevada | # 32 | 110 | 4,699.98 GWh |
| New Hampshire | # 42 | 60 | 1,808.14 GWh |
| New Jersey | # 25 | 387 | 5,633.45 GWh |
| New Mexico | # 39 | 139 | 3,198.26 GWh |
| New York | # 11 | 848 | 12,289.60 GWh |
| North Carolina | # 9 | 893 | 13,559.75 GWh |
| North Dakota | # 35 | 59 | 3,641.88 GWh |
| Ohio | # 8 | 190 | 13,652.00 GWh |
| Oklahoma | # 15 | 130 | 10,062.87 GWh |
| Oregon | # 29 | 262 | 5,448.37 GWh |
| Pennsylvania | # 3 | 246 | 23,205.63 GWh |
| Rhode Island | # 46 | 97 | 1,061.17 GWh |
| South Carolina | # 16 | 203 | 9,629.88 GWh |
| South Dakota | # 44 | 53 | 1,603.17 GWh |
| Tennessee | # 22 | 87 | 6,912.16 GWh |
| Texas | # 1 | 797 | 58,529.53 GWh |
| Utah | # 37 | 122 | 3,440.26 GWh |
| Vermont | # 50 | 114 | 207.44 GWh |
| Virginia | # 13 | 213 | 10,408.51 GWh |
| Washington | # 17 | 138 | 9,091.93 GWh |
| West Virginia | # 30 | 36 | 5,412.86 GWh |
| Wisconsin | # 24 | 230 | 6,416.93 GWh |
| Wyoming | # 34 | 70 | 3,868.32 GWh |