As of 2004, 5 nations around the world (El Salvador, Kenya, the Philippines, Iceland, and Costa Rica) make over fifteen% of their electricity from geothermal resources. Geothermal electric power needs no fuel, and is particularly as a result resistant to fluctuations in fuel Price tag, but funds expenditures are http://archertkzod.blogprodesign.com/10393357/5-essential-elements-for-renewable-energy