Current work highlights EU-Russia energy relations at present stage. The author examines main documents related to the energy sphere of EU-Russia cooperation and explains why the European Union and Russia have got different perceptions and approaches. Special attention is given to the cooperation after the Lisbon Treaty. This Treaty changes a lot in the EU energy policy creating new mechanisms for further integration in this sphere forming a legal basis for such documents as 2nd strategic energy review, 3rd energy liberalization package. Thus, it can lead to gradual emergence of EU common energy policy.