Documents and Publications

This report outlines key developments in European energy markets in 2025, with a focus on the evolving interaction between gas and electricity. It sets out ACER’s recommendations to step up energy market integration efforts to support decarbonisation, energy security and competitiveness goals.

The document provides guidance on the information to be voluntarily submitted for the monitoring of operational reliability performance indicators for electricity cybersecurity.

ACER position paper on output performance indicators to measure the performance of grid-enhancing technologies in electricity transmission.

ACER publishes its report on the implementation of the inter-transmission system operators compensation mechanism (ITC) for 2024.