Year kWh 1960 10000000 1961 11000000 1962 18000000 1963 14000000 1964 16000000 1965 26000000 1966 38000000 1967 44000000 1968 47000000 1969 84000000 1970 59000000 1971 101000000 1972 185000000 1973 223000000 1974 235000000 1975 211000000 1976 183000000 1977 265000000 1978 262000000 1979 240000000 1980 248000000 1981 269000000 1982 269000000 1983 362000000 1984 372000000 1985 427000000 1986 392000000 1987 216000000 1988 116000000 1989 107000000 1990 83000000 1991 117000000 1992 165000000 1993 281000000 1994 423000000 1995 544000000 1996 490000000 1997 740000000 1998 905000000 1999 993000000 2000 905000000 2001 1297000000 2002 1343000000 2003 1581000000 2004 2868000000 2005 4439000000 2006 5338000000 2007 7175000000 2008 9821000000 2009 13144000000 2010 17652000000 2011 24948000000 2012 32995000000 2013 37275000000 2014 45620000000 2015 51691000000