Vattenfall is 100 per cent owned by the Swedish state and is one of Europe's largest generators of electricity and the largest producer of heat. In electricity and heat, Vattenfall works in all parts of the value chain: generation, distribution and sales. In gas, Vattenfall is active in sales. They also conduct energy trading. Vattenfall produces electricity and heat from six energy sources – wind power, nuclear power, natural gas, biomass, coal power and hydro power. In 2013, operations were conducted in the Nordic countries, Germany, the Netherlands, France and the UK.