Evaluation of the EU Agency for the Coordination of Energy Regulators

The European Commission has published a 4-week call for evidence to gather input for its evaluation of the EU Agency for the Cooperation of Energy Regulators (ACER). Input into this consultation will feed into the Commission’s preparation of the evaluation, required under Article 45(1) of the ACER Regulation (EU/ 2019/942). It is intended to assess ACER’s performance in relation to its objectives, mandate, and tasks, while exploring whether any adjustments are needed to enhance its effectiveness.

ACER plays a crucial role in supporting the functioning and integration of the EU’s internal energy market, working closely with national regulatory authorities. Recent regulatory changes, including strengthened investigatory powers under the Wholesale Energy Market Integrity and Transparency (REMIT) Regulation (EU/1227/2011), have expanded ACER’s responsibilities in ensuring transparency, monitoring, and enforcement in wholesale energy markets.

The evaluation will follow the Commission’s Better Regulation principles, applying standard criteria such as effectiveness, efficiency, coherence, relevance, and EU added value. It will focus on ACER’s organisational performance, assessing whether its mandate remains fit for purpose and identifying potential areas for improvement.

The call for evidence invites stakeholders - including energy regulators, market participants, industry experts, and civil society - to share their views on ACER’s work, working methods, and interactions with stakeholders. This should also include insights to help shape the future role of ACER in supporting a secure, integrated, and competitive EU energy market. Contributions will feed into a broader consultation strategy, which includes targeted surveys and interviews conducted by an independent external contractor.

This Call for Evidence will run until 6 May 2026 and is part of the Commission’s evaluation process, which is expected to run until the 4^th Quarter of 2026, when its findings will be presented to the European Parliament, the Council, and ACER’s Board of Regulators. The results will be made public.

Related links

• Call for Evidence: ACER evaluation
• Governance of the internal energy market
• ACER website