The Sarulla geothermal power plant, located in Tapanuli (North Sumatra), now has two units in the commercial operation stage, hence the power plant’s total capacity has increased to 220 Megawatt (MW). The second unit of the plant commenced commercial production earlier last week. The US$1.6 billion Sarulla geothermal plant, which will have a total capacity of 330 MW once it its third unit comes online in 2018, is known as the world’s largest single-contract geothermal power project. It sells its electricity to state-owned utility company Perusahaan Listrik Negara (PLN) over a 30-year period).
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