ACER releases its multi-annual programming document 2026-2028, outlining its strategic goals and priorities for the coming years, including its 2026 work programme.
ACER is exploring whether the ‘ISO 20022 standard’, a common framework for exchanging data, could be applied to the ‘Exposure XSD’ reporting format, with the aim of making the reporting process simpler and more interoperable.
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.
ACER received two proposals from the European electricity transmission system operators to amend the implementation frameworks for two European platforms for exchanging balancing energy. ACER will review the TSOs’ proposals and consult with stakeholders.
ACER publishes its report on distribution system operator investments and revenue setting. This report finds a major upscaling in electricity distribution grid investment trends across Europe and proposes 10 recommendations to optimise the ramp up.