| Ár | Vindur | Vatn | Termisk | Íalt |
| 1954 | - | 5,9 | 0,096 | 5,996 |
| 1955 | - | 8,021 | 0,135 | 8,156 |
| 1956 | - | 10,083 | - | 10,083 |
| 1957 | - | 13,73 | 0,086 | 13,816 |
| 1958 | - | 15,432 | 0,048 | 15,48 |
| 1959 | - | 17,936 | - | 17,936 |
| 1960 | - | 20,929 | 1,313 | 22,242 |
| 1961 | - | 25,914 | 0,488 | 26,402 |
| 1962 | - | 30,052 | 1,913 | 31,965 |
| 1963 | - | 36,224 | 0,555 | 36,779 |
| 1964 | - | 41,82 | 0,31 | 42,13 |
| 1965 | - | 43,59 | 2,654 | 46,244 |
| 1966 | - | 47,562 | 6,751 | 54,313 |
| 1967 | - | 54,431 | 3,447 | 57,877 |
| 1968 | - | 42,066 | 18,824 | 60,89 |
| 1969 | - | 47,09 | 18,08 | 65,17 |
| 1970 | - | 55,923 | 13,692 | 69,615 |
| 1971 | - | 53,082 | 22,092 | 75,174 |
| 1972 | - | 55,455 | 25,992 | 81,447 |
| 1973 | - | 55,604 | 31,296 | 86,9 |
| 1974 | - | 52,422 | 39,701 | 92,123 |
| 1975 | - | 47,854 | 53,433 | 101,287 |
| 1976 | - | 48,928 | 64,28 | 113,207 |
| 1977 | 47,864 | 73,532 | 121,396 | |
| 1978 | - | 49,195 | 83,277 | 132,472 |
| 1979 | - | 51,615 | 88,568 | 140,183 |
| 1980 | - | 51,132 | 98,684 | 149,816 |
| 1981 | - | 50,72 | 102,846 | 153,566 |
| 1982 | - | 60,734 | 97,669 | 158,403 |
| 1983 | - | 58,62 | 109,928 | 168,548 |
| 1984 | - | 50,74 | 125,651 | 176,391 |
| 1985 | - | 42,926 | 142,366 | 185,292 |
| 1986 | - | 53,964 | 139,139 | 193,103 |
| 1987 | - | 52,66 | 144,335 | 196,995 |
| 1988 | - | 62,561 | 152,118 | 214,679 |
| 1989 | - | 71,982 | 143,953 | 215,935 |
| 1990 | 75,233 | 133,583 | 208,816 | |
| 1991 | - | 74,996 | 127,833 | 202,829 |
| 1992 | - | 83,866 | 115,255 | 199,121 |
| 1993 | 0,423 | 73,609 | 105,784 | 179,816 |
| 1994 | 0,603 | 75,872 | 98,934 | 175,409 |
| 1995 | 0,57 | 76,215 | 97,648 | 174,433 |
| 1996 | 0,58 | 70,267 | 111,133 | 181,98 |
| 1997 | 0,55 | 75,824 | 106,444 | 182,818 |
| 1998 | 0,546 | 77,274 | 113,189 | 191,01 |
| 1999 | 0,562 | 70,155 | 130,613 | 201,329 |
| 2000 | 0,523 | 76,022 | 136,417 | 212,962 |
| 2001 | 0,504 | 76,467 | 154,768 | 231,739 |
| 2002 | 0,553 | 96,5 | 143,23 | 240,284 |
| 2003 | 0,494 | 85,687 | 160,286 | 248,967 |
| 2004 | 7,509 | 94,387 | 147,029 | 248,926 |
| 2005 | 10,376 | 98,976 | 135,569 | 244,921 |
| 2006 | 14,978 | 100,943 | 143,557 | 259,478 |
| 2007 | 15,759 | 104,452 | 149,206 | 269,416 |
| 2008 | 12,969 | 95,88 | 166,98 | 275,829 |
| 2009 | 15,005 | 92,406 | 168,117 | 275,527 |
| 2010 | 13.584 | 67.395 | 199.344 | 280.323 |
| 2011 | 14.525 | 92.498 | 166.815 | 273.838 |
| 2012 | 10.859 | 99.756 | 181.012 | 291.627 |
| 2013 | 21.845 | 90.594 | 180.095 | 292.534 |
| 2014 | 34.488 | 120.687 | 150.242 | 305.416 |
| 2015 | 55.789 | 133.081 | 125.539 | 314.409 |
| 2016 | 52.102 | 106.348 | 158.903 | 317.352 |
| 2017 | 59.664 | 111.244 | 163.415 | 334.323 |
| 2018 | 63.791 | 108.082 | 180.130 | 352.003 |
| 2019 | 52.632 | 103.502 | 229.952 | 386.087 |
| 2020 | 47.134 | 108.667 | 249.443 | 406.803 |
| Ár | Sól | Biogass | Vindur | Vatn | Termisk | Íalt | Grønorka í % | |
| 1991 | 0,000 | 74,994 | 127,831 | 202,825 | 36,97 | |||
| 1992 | 0,000 | 83,865 | 115,256 | 199,121 | 42,12 | |||
| 1993 | 0,421 | 73,608 | 105,781 | 179,810 | 41,17 | |||
| 1994 | 0,604 | 75,873 | 98,923 | 175,400 | 43,60 | |||
| 1995 | 0,571 | 76,215 | 97,647 | 174,433 | 44,02 | |||
| 1996 | 0,581 | 70,265 | 111,141 | 181,987 | 38,93 | |||
| 1997 | 0,551 | 75,821 | 106,442 | 182,814 | 41,78 | |||
| 1998 | 0,546 | 77,275 | 113,187 | 191,008 | 40,74 | |||
| 1999 | 0,562 | 70,154 | 130,614 | 201,330 | 35,12 | |||
| 2000 | 0,521 | 76,024 | 136,418 | 212,963 | 35,94 | |||
| 2001 | 0,504 | 76,467 | 154,767 | 231,738 | 33,21 | |||
| 2002 | 0,553 | 96,501 | 143,231 | 240,285 | 40,39 | |||
| 2003 | 2,993 | 85,690 | 160,286 | 248,969 | 35,62 | |||
| 2004 | 7,506 | 94,393 | 147,032 | 248,931 | 40,93 | |||
| 2005 | 10,379 | 98,977 | 135,573 | 244,929 | 44,65 | |||
| 2006 | 14,981 | 100,942 | 143,557 | 259,480 | 44,68 | |||
| 2007 | 15,756 | 104,451 | 149,204 | 269,411 | 44,62 | |||
| 2008 | 12,969 | 95,879 | 166,980 | 275,828 | 39,46 | |||
| 2009 | 15,005 | 92,408 | 168,114 | 275,527 | 38,98 | |||
| 2010 | 13,585 | 67,396 | 199,345 | 280,326 | 28,89 | |||
| 2011 | 14,526 | 92,726 | 166,770 | 274,022 | 39,14 | |||
| 2012 | 10,787 | 99,757 | 181,012 | 291,556 | 37,92 | |||
| 2013 | 21,845 | 90,594 | 180,095 | 292,534 | 38,44 | |||
| 2014 | 34,488 | 120,687 | 150,242 | 305,416 | 50,81 | |||
| 2015 | 55,789 | 133,081 | 125,539 | 314,409 | 60,07 | |||
| 2016 | 52,102 | 106,348 | 158,903 | 317,352 | 49,93 | |||
| 2017 | 59,664 | 111,244 | 163,415 | 334,323 | 51,12 | |||
| 2018 | 63,791 | 108,082 | 180,130 | 352,003 | 48,83 | |||
| 2019 | 0,000 | 52,632 | 103,502 | 229,952 | 386,087 | 40,44 | ||
| 2020 | 0,169 | 1,391 | 47,134 | 108,667 | 249,443 | 406,803 | 38,68 | |
| 2021 | 0,177 | 6,840 | 54,106 | 100,290 | 262,394 | 423,813 | 38,09 | |
| 2022 | 0,171 | 5,438 | 90,208 | 130,864 | 207,351 | 434,043 | 52,23 | |
| 2023 | 0,180 | 4,036 | 125,573 | 100,207 | 227,593 | 457,614 | 50,27 | |
| 2024 | 0,175 | 7,099 | 153,486 | 111,086 | 208,551 | 480,425 | 56,59 | |
| 2025 | 0,572 | 5,865 | 147,523 | 102,421 | 250,245 | 506,637 | 50,61 |