Decisions 17.07.2026 ACER Decision No 10-2026 on the fourth amendment of the Core region's day-ahead capacity calculation methodology Annexes ACER Decision No 10-2026 - Annex I ACER Decision No 10-2026 - Annex Ia ACER Decision No 10-2026 - Annex II ACER Decision No 10-2026 - Annex IIa