On 21 October 2025 at 09:45, the external parallel run of the IDCC(d) process for the third intraday auction (IDA3) began in the Core Capacity Calculation Region. The six-month run aims to test process stability, with daily results published on the JAO website.

During this period, Core TSOs will prepare reports and finalize validation tools, expected to be ready in Q1 2026. Market participants can follow the results and raise questions via the “Core FB IDCC project” Q&A forum.

More information: [CORE] Start date of the Core Flow-Based Intraday Capacity Calculation (d) EXT // run | JAO S.A. Leading service provider for TSOs