Court of Justice 4 May 2023, C-451/21 P and C-454/21 P (Grand Duchy of Luxembourg and Others v European Commission.)

OPINION OF ADVOCATE GENERAL KOKOTT delivered on 4 May 2023 ( 1 ) Case C‑454/21 P Engie Global LNG Holding Sàrl, Engie Invest International SA, Engie SA v European Commission Case C‑451/21 P Grand Duchy of Luxembourg v European Commission (Appeal – Rules on State aid – Measures implemented by the Grand Duchy of Luxembourg in favour of Engie – Selective advantage – Determination of the reference