ACER initiates the review of its Decision 30/2020 on the electricity redispatching and countertrading cost sharing methodology for the Core capacity calculation region.
ACER encourages European associations of energy market participants to engage in stakeholder activities supporting REMIT implementation from 2026 to 2028.
ACER received a proposal from the European Network of Transmission System Operators for electricity (ENTSO-E) to amend the methodology for the regional procurement of balancing capacity.
ACER publishes its Opinion on the draft lists of proposed Projects of Common Interest (PCIs) and Projects of Mutual Interest (PMIs) for 2025. The PCIs/PMIs lists include energy infrastructure projects prioritised at EU level given their importance.
Ahead of the European Commission’s Grids Package proposals (expected in Q4 2025), ACER sets out its recommendations for revising the current legal framework for grids.
On 27 March 2025, ACER received the transmission system operators’ (TSOs’) proposal to amend the harmonised allocation rules (HAR) for long-term electricity transmission rights. ACER approves the TSOs proposal.
ACER approved the proposal from the EU TSOs to amend the methodology for intraday cross-zonal gate opening and closure time, with several clarifications and adjustments.
On 17 December 2025, the European Network of Transmission System Operators for Electricity (ENTSO-E) submitted its proposal for the European Resource Adequacy Assessment (ERAA) 2025 to ACER.
