The majority of hydropower plants are in private hands and further donor investment is sought. Installed capacity' is 1,300 MW and annual projected capacity is 3.8 billion kWh. The share of energy exports is expected to increase threefold by 2012 as compared with 2007. Sewerage collecting systems exist in about 40 towns, but only 70 per cent of the urban population is connected to the sewerage system.