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.
ACER approved two proposals from all electricity transmission system operators (TSOs) to amend the implementation frameworks for PICASSO and MARI, the EU platforms for exchanging balancing energy from frequency restoration reserves.
ACER published its Opinion on Portugal’s National Resource Adequacy Assessment (NRAA), highlighting that the country’s projected electricity adequacy gap may be overstated.