2010: Alpiq Energy SE is created. Alpiq Energy SE is established in seven EU countries in Central and Eastern Europe.

2008: Atel Energy AG completed its integration into the Atel Group.

2006: The company was undergoing a change of name and change in form and became Atel Energy AG.

2002: Atel acquired Entrade GmbH, the trading and sales company Atel Česká republika was established.

1998: The energy trading company Entrade GmbH was founded.

1996: Atel entered the Central and Eastern European electricity market in 1996 when it signed its first long-term contracts.