17. 18. 19. climate change, agriculture and water resources, if no significant action is taken. Total petroleum fuel demand is projected to increase from about 1.6 million tonnes in year 2000 and could exceed 3 million tonnes in 2015 and could reach 4.5 million tonnes by 2020. The net final grid electricity consumption of the economy will grow from about 6,900 Gigawatt-hour in 2000 to about 18,000 Gigawatt-hour by 2015, reaching about 24,000 Gigawatt-hour by 2020. Quantum jump in demand could severely affect the nation's balance of payment since Ghana imports crude oil. The existing installed electricity generating capacity of 1,760 Megawatt would have to be doubled by 2020 if the nation is to be assured of secured uninterrupted electricity supply. The total energy requirement will grow from about 7 million tonnes of oil equivalent (69 Terawatt-hours equivalent) in 2004 to about 22 million tonnes of oil equivalent (255 Terawatt-hours equivalent) by 2020 (figure 3).