Sri Lanka - Electricity generation
| Date | Installed capacity MW | Generation GWh | Renewable installed capacity MW | Renewable generation GWh | Renewable percentage |
|---|---|---|---|---|---|
| 2021 | 4,785 | 16,352 | 2,603 | 6,008 | 36.74% |
| 2020 | 4,668 | 15,580 | 2,486 | 5,858 | 37.60% |
| 2019 | 4,369 | 15,874 | 2,187 | 5,635 | 35.50% |
| 2018 | 4,153 | 14,958 | 2,084 | 6,979 | 46.66% |
| 2017 | 4,163 | 14,684 | 2,019 | 4,522 | 30.79% |
| 2016 | 3,979 | 13,691 | 1,891 | 4,645 | 33.93% |
| 2015 | 3,959 | 12,725 | 1,851 | 6,341 | 49.83% |
| 2014 | 4,017 | 11,970 | 1,784 | 4,849 | 40.51% |
| 2013 | 3,279 | 11,665 | 1,688 | 7,130 | 61.13% |
| 2012 | 3,386 | 11,360 | 1,686 | 3,444 | 30.32% |
| 2011 | 3,166 | 11,196 | 1,454 | 4,714 | 42.10% |
| 2010 | 2,847 | 10,441 | 1,435 | 5,681 | 54.41% |
| 2009 | 2,744 | 9,606 | 1,417 | 3,908 | 40.68% |
| 2008 | 2,689 | 9,613 | 1,382 | 4,115 | 42.81% |
| 2007 | 2,459 | 9,506 | 1,332 | 3,927 | 41.31% |
| 2006 | 2,468 | 8,424 | 1,341 | 3,868 | 45.92% |
| 2005 | 2,434 | 8,938 | 1,307 | 3,434 | 38.42% |
| 2004 | 2,683 | 7,889 | 1,292 | 2,946 | 37.34% |
| 2003 | 2,558 | 7,419 | 1,255 | 3,277 | 44.17% |
| 2002 | 2,304 | 6,798 | 1,178 | 2,680 | 39.42% |
| 2001 | 2,016 | 6,531 | 1,166 | 3,090 | 47.31% |
| 2000 | 1,855 | 6,453 | 1,154 | 3,176 | 49.22% |
| 1999 | 1,688 | 6,021 | 1,143 | 4,131 | 68.61% |
| 1998 | 1,657 | 5,538 | 1,140 | 3,876 | 69.99% |
| 1997 | 1,697 | 5,009 | 1,137 | 3,413 | 68.14% |
| 1996 | 1,430 | 4,420 | 1,137 | 3,219 | 72.83% |
| 1995 | 1,533 | 4,736 | 1,137 | 4,407 | 93.05% |
| 1994 | 1,535 | 4,327 | 1,139 | 4,048 | 93.55% |
| 1993 | 1,557 | 3,930 | 1,139 | 3,758 | 95.62% |
| 1992 | 1,583 | 3,171 | 1,139 | 2,871 | 90.54% |
| 1991 | 1,409 | 3,330 | 1,137 | 3,085 | 92.64% |
| 1990 | 1,289 | 3,119 | 1,017 | 3,114 | 99.84% |
| 1989 | 1,289 | 2,827 | 1,017 | 2,773 | 98.09% |
| 1988 | 1,238 | 2,760 | 968 | 2,570 | 93.12% |
| 1987 | 1,208 | 2,652 | 938 | 2,154 | 81.22% |
| 1986 | 1,071 | 2,624 | 801 | 2,617 | 99.73% |
| 1985 | 1,065 | 2,435 | 801 | 2,370 | 97.33% |
| 1984 | 949 | 2,229 | 679 | 2,069 | 92.82% |
| 1983 | 812 | 2,047 | 542 | 1,204 | 58.82% |
| 1982 | 592 | 2,049 | 402 | 1,591 | 77.65% |
| 1981 | 562 | 1,837 | 372 | 1,556 | 84.70% |
| 1980 | 522 | 1,641 | 372 | 1,464 | 89.21% |