Vattenfall AB (Vattenfall) is a Swedish government owned energy group. It is engaged in the power generation, transmission, distribution and sales of electricity. It is also engaged in the production, distribution and sales of heat and other power related services to private households and public and private industry players. It also conducts energy trading and lignite mining. Vattenfall serves around 7.7 million electricity customers, and 5.7 million network customers. The group mainly operates in Denmark, Germany, Finland, the UK, Sweden, Poland and the Netherlands. Recently, the company installed its first turbine at ormonde offshore wind farm. Vattenfall is headquartered in Stockholm, Sweden.