Publications

This report provides an overview of European gas wholesale markets trends during the winter season, covering the period from October 2025 to March 2026. It also explores the evolving impact of the Middle East conflict on European gas markets.

ACER report on distribution system operator investments and revenue setting (2026) finds a major upscaling in electricity distribution grid investment trends across Europe and proposes 10 recommendations to optimise the ramp-up.

This report assesses whether the proposed reference price methodology for Latvia complies with the requirements of the EU binding Network Code on Harmonised Transmission Tariff Structures.

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.

This report assesses whether the proposed reference price methodology for Denmark complies with the requirements of the EU binding Network Code on Harmonised Transmission Tariff Structures.

This report assesses whether the proposed reference price methodology for Slovakia complies with the requirements of the EU binding Network Code on Harmonised Transmission Tariff Structures.

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

ACER's programming document outlines the Agency's strategic goals and priorities for the coming years, including its 2026 work programme.

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