Texas Estonia portalEnergy portal Subcategories This category has the following 5 subcategories, out of 5 total. C Coal-fired power stations in Estonia (1 P)N Natural-gas fired power stations in Estonia (2 P)O Oil shale-fired power stations in Estonia (4 P) Oil-fired power stations in Estonia (3 P)P Peat-fired power stations in Estonia (2 P)