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.

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.

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

This report covers Regional Coordination Centres' self-reporting efforts in 2024 and, for the first time, more detailed information on 4 tasks requested by ACER.

This report looks at the latest developments in the hydrogen sector and highlights the main regulatory and market challenges for the EU.

The report analyses how retail electricity markets can contribute to unlocking consumer flexibility in the context of the energy transition.

ACER’s 2025 report on security of EU electricity supply looks at whether Europe had adequate electricity supply in 2024, assesses risk preparedness and cross-sectoral interactions and highlights opportunities to improve efficiency through greater transparency and coordination.

ACER’s 2025 electricity Monitoring Report reviews progress in integrating EU electricity markets. It examines forward, day-ahead, intraday and balancing markets, and identifies where rules and projects are delayed.