Year kWh 1960 0 1961 0 1962 0 1963 0 1964 0 1965 0 1966 0 1967 0 1968 0 1969 0 1970 0 1971 0 1972 0 1973 0 1974 0 1975 803000000 1976 872000000 1977 867000000 1978 1211000000 1979 1106000000 1980 1024000000 1981 1085000000 1982 265000000 1983 231000000 1984 17000000 1985 441000000 1986 554000000 1987 704000000 1988 851000000 1989 923000000 1990 721000000 1991 831000000 1992 875000000 1993 1015000000 1994 1158000000 1995 1317000000 1996 1736000000 1997 1925000000 1998 2216000000 1999 2417000000 2000 2830000000 2001 3185000000 2002 3864000000 2003 3890000000 2004 5212000000 2005 7357000000 2006 7945000000 2007 7476000000 2008 9429000000 2009 10738000000 2010 11092000000 2011 12265000000 2012 12410000000 2013 12069000000 2014 11596000000 2015 13602000000