Wikipedia
E.ON SE marketed with an interpunct as E·ON, is a European holding company based in Essen, North Rhine-Westphalia, Germany. It runs one of the world's largest investor-owned electric utility service providers. The name comes from the Greek word aeon which means an age. The company is a component of the Euro Stoxx 50 stock market index.
It operates in over 30 countries and serves over 33 million customers. It is one of the 30 members of the DAX stock index of major German companies and a member of the Global Titans 50 index. Its chief executive officer (Vorstandsvorsitzender) is Dr. Johannes Teyssen.
E.ON separated its conventional power generation and energy trading operations into a new company, Uniper, on 1 January 2016. E.ON retained its retail and distribution business, and will restructure its nuclear operations under a new fully owned business named PreussenElektra. Uniper is due to be fully divested from E.ON in mid-2016.