E wie einfach

E wie einfach is a German digital energy supplier based in Cologne that sells electricity and gas tariffs to households and small businesses online, with customer service run through its app and web customer portal. The company operates as E WIE EINFACH GmbH within the E.ON group, uses a postal address in Magdeburg, and also offers heating electricity, business tariffs and balcony solar kits through a partnership with Tepto. Launched by E.ON in 2006 as a discount brand, it competes mainly on price, simple contracts and digital self-service for customers across Germany.