Drilling works at Galla Le Koma geothermal field to begin next month Drilling works at Galla Le Koma geothermal field to begin next month Modified date: Kenya Electricity Generating Company (KenGen), a parastatal company and the largest electric power producer in Kenya has revealed that preparations are 80% complete and that the actual drilling works at the Galla Le Koma geothermal site located in Lake Assal region, central Djibouti, shall commence in June. This comes approximately three months since the Nairobi, Kenya-based Company signed US$ 6.5m contracts with Office Djiboutien de developpement de l’energie geothermique (ODDEG), or rather the Djiboutian office of geothermal energy development), to carry out the project.