CJEU: seven appeals by Poland against various acts in the ‘Fit for 55’ legislative package dismissed

On 12 November 2026, the Court of Justice of the European Union announced that it had dismissed seven appeals brought by Poland against various acts in the “Fit for 55” legislative package.

This package comprises a series of measures aimed at reducing greenhouse gas emissions by at least 55 per cent by 2030 compared with 1990 levels and achieving climate neutrality by 2050.

According to Poland, the contested acts “were essentially of a fiscal nature or affected the general structure of its energy supply” and should therefore have been adopted by a unanimous vote in the Council of the EU.

Firstly, the Court states that “none of the seven acts has as its main objective to significantly affect a Member State’s choice between different energy sources or the general structure of its energy…