Demand for drinking water might increase in the next 10 years by almost 30 per cent, although it is not clear whether resources can be increased under sustainable conditions. In Skopje, water loss in the water supply network is about 30 per cent, and is tending to increase (Figure 7.4). Only structures and facilities for energy generation (hydropower plants, thermopower plants, mining, and oil refineries) are located further from urban areas.