Japan has 55 reactors of total capacity 47,577 MWe (49,580 MWe gross) on line, with 2 reactors (2,285 MWe) under construction and 12 reactors (16,045 MWe) planned. Nuclear energy accounts for about 30% of Japan's total electricity production, from 47.5 GWe of capacity (net). There are plans to increase this to 37% in 2009 and 41% in 2014.