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ACER Welcomes Updates To ENTSO-E’s Transparency Platform Manual

Date 08/09/2025

Today, ACER publishes its Opinion on the updated manual of procedures for the European Network of Transmission System Operators for Electricity (ENTSO-E) Transparency Platform.

What is the ENTSO-E Transparency Platform?

The platform is a key tool for collecting and centralising electricity data at the European level. It provides open access to information on generation, transmission and consumption, supporting all market participants, including generators, retailers and traders.

What are ACER’s main takeaways?

ACER finds that the updated manual aligns with the objectives of the Transparency Regulation and related EU legislation. It notes the addition of new data items and definitions and welcomes ENTSO-E’s ongoing efforts to address data quality issues. ACER also recommends further improvements to the manual, including:

  • harmonising definitions of data items across legal frameworks;
  • improving publications related to balancing;
  • strengthening data quality on the platform; and
  • considering feedback from previous ACER Opinions.

What’s next?

ENTSO-E should take ACER’s recommendations into account and proceed with publishing the final updated manual of procedures.

Read more.