In December 2025, NRAs of Continental Europe Synchronous Area asked for a six-month extension to decide on the minimum activation period of frequency containment reserves. With its Decision 01/2026, ACER prolonged the NRAs' deadline until 17 June 2026.
ACER received the European Network of Transmission System Operators for Electricity's proposal to amend the European Resource Adequacy Assessment methodology. ACER aims to decide on the methodology by February 2026.
