SOGEO – Sociedade Geotermica dos Acores S.A. operates two binary geothermal plants on the island of São Miguel producing electricity with a capacity of 23 MW. Located in the Atlantic some 1,500 km west of Portugal, the Azores have a population around 300.000 people. Over half of the Azoreans live on the largest island, São Miguel. It is not long since geothermal exploitation began on São Miguel, in which Iceland Drilling Company has been mostly involved.