generation capacity of 15MW. In 1982 and 1985, two more turbines identical to the first were commissioned at the facility, bringing the total generation capacity to 45MW.[4] As of January 2015 unit 4 and 5 with a combined installed capacity of 140 Megawatts were inaugurated. This brings the total installed capacity of Olkaria I to 185 Megawatts.[5]