Appeals — Grounds — Plea submitted for the first time in the context of the appeal — Inadmissibility (Art. 256(1) TFEU; Statute of the Court of Justice, Art. 58, first para.) (see para. 35)
2. Appeals — Grounds — Infringement of the prohibition on ruling ultra petita — Question put by the General Court inviting a party to develop an argument raised in its defence — Absence (Statute of the Court of Justice, Art. 21; Rules of Procedure of the General Court, Art. 44(1)) (see paras 49‑53)
3. Appeals — Grounds — Plea against a ground of the judgment not necessary to support the operative part — Invalid plea in law (Art. 256 TFEU) (see paras 62-64)
Operative part
The Court:
1. Dismisses the appeal;
2. Orders Electrabel SA to pay the costs.