Year Gigawatt Hours 1985-01-01 2853.10959317988 1986-01-01 3304.26620259202 1987-01-01 3693.72064394903 1988-01-01 4003.05320518138 1989-01-01 4327.62036081287 1990-01-01 4792.97191460202 1991-01-01 5017.07636329217 1992-01-01 5589.83293393447 1993-01-01 6162.23459282345 1994-01-01 6517.48413956464 1995-01-01 7184.99598561181 1996-01-01 7906.55387116363 1997-01-01 8600.28187153340 1998-01-01 9247.23689692469 1999-01-01 9713.24383526284 2000-01-01 10440.45240252880 2001-01-01 10245.67657476820 2002-01-01 10744.64227361680 2003-01-01 11702.37566214640 2004-01-01 12471.09512693880 2005-01-01 13488.80692259860 2006-01-01 14682.07153278630 2007-01-01 15980.56448510080 2008-01-01 16510.67814263340 2009-01-01 16171.77659167840 2010-01-01 17503.60247064800 2011-01-01 19043.53422379740 2012-01-01 19900.62693279040 2013-01-01 19938.43035452920 2014-01-01 20828.57532988360 2015-01-01 21599.45257905240 2016-01-01 22461.62815456200 2017-01-01 24190.15691760570