The relationship between energy productions and the environment plays a central role both in the European taxation and in the specific ecologicalpolicy of the Union. The aim of this paper is to draw some conclusions on the Energy Taxation and State aid control by analyzing the European Court of Justice case-law. In the following pages we will analyze several topics. In particular, the minimum level of taxation on Energy Directive, the relationship between energy taxes and free emissions allowance and States aid for econ-friendly energy
