On 25 March 2026, ACER received a proposal from the European Network of Transmission System Operators for Electricity (ENTSO-E) to amend the methodology for the regional sizing of reserve capacity. ACER will decide on the amendment by June 2026.
On 20 April 2026, ACER will open a public consultation on amendments to the gas network code on interoperability and data exchange. The aim is to assess the need to amend the network code to reflect recent regulatory and market developments.
ACER has updated Annex VII of its Manual of Procedures and related FAQs on how to report ‘inside information’ under REMIT. The aim is to further harmonise the disclosure of inside information by providing additional guidance and improve data quality.
ACER publishes its Recommendation on how national regulatory authorities (NRAs) should report barriers to non-fossil flexibility in their flexibility needs assessments.
ACER publishes its Decision amending the European Resource Adequacy Assessment methodology, following the proposal submitted by the European Network of Transmission System Operators for Electricity (ENTSO-E) in November 2025.
The Estonian Competition Authority has fined Futugrid Technologies OÜ €16,000 for manipulating the balancing energy market by placing a non-genuine bid, which sent misleading signals to the market.
The 2026 Monitoring Report on retail energy markets examines electricity bills, affordability and what the shift to electrification means for consumers.
