One of the world’s largest geothermal power plants has started producing power in Indonesia. Technology suppliers Toshiba and Ormat have announced the first unit of the Sarulla power plant, located in North Sumatra, has gone into commercial operation. Operated by Sarulla, the 110MW power plant combines flash and binary technologies to optimise efficiency and re-inject 100% of the used geothermal fluid. Toshiba […]