For the first time, ACER publishes two reports on energy market surveillance, concerning: persons professionally arranging transactions and national energy regulatory authorities (focusing on their analysis of suspicious transaction and order reports).
The Baltic energy regulators (Estonia, Finland, Latvia, Lithuania, Poland and Sweden) requested from ACER a three-month extension to decide on the capacity calculation methodology for long-term timeframes.
ENTSO-E submitted its proposal for ERAA 2024 for ACER approval in April 2025. ACER will issue its decision in July 2025. ACER also requested ENTSO-E to propose amendments to the ERAA methodology by mid-October 2025.
On 28 April 2025, a large-scale blackout occurred in Spain and Portugal shortly after 12.30 CEST. An expert panel is being set up by ENTSO-E to investigate the incident.
On 28 April 2025, European transmission system operators published their report on the bidding zone review, assessing 14 bidding zone configurations across Central and Northern Europe. ACER will publish an Opinion to evaluate alignment with EU rules.
ACER is establishing a new European Stakeholder Committee (ESC) on cybersecurity in the electricity sector. We invite industry associations that could offer a pan-European perspective on cybersecurity aspects of cross-border electricity flows to join.