The report assesses the compliance of the proposed reference price methodology (RPM) with the requirements of the Network Code on Harmonised Transmission Tariff structures (NC TAR).
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 will open a public consultation on 24 April 2025.
This ACER report enhances transparency and comparability in electricity network tariff setting by sharing national practices. It also examines and offers insights into various tariff challenges faced by energy regulators.
The report highlights progress towards Europe’s transition to clean energy, persistent challenges (such as high and volatile energy prices for European consumers and businesses), and how to address them.
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.
