ACER publishes a position paper introducing output performance indicators to measure the performance of grid-enhancing technologies in electricity transmission.
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.
Transmission system operators (TSOs) submitted a proposal to ACER to revise the harmonised allocation rules (HAR) and the requirements for the single allocation platform (SAP). ACER will open a public consultation.
In summer 2024, Southeast Europe experienced a sustained period of electricity price spikes. ACER sets out recommendations to increase cross-zonal capacity and system flexibility across the region.
