Our responsibilities
Coreso coordinates the high-voltage electricity flows for Transmission System Operators to help them keep the European electricity grid safe, efficient and future-proof.
To do so, we are mandated by the European Union to perform 15 coordination tasks, described in the Third Energy Package and Clean Energy Package.
Our latest news
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Publication of Coreso’s 2025 Activity Report
11/06/2026
We are pleased to inform you that Coreso’s 2025 Activity Report is now available. This annual publication offers a comprehensive overview of our activities, key achievements, and developments over the past year. It reflects the continued commitment of our teams to supporting TSOs in securing and optimising the operations of the European electricity system. Throughout […]
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Iberian blackout on 28 April 2025 – Publication of the ENTSO-E investigation report
24/03/2026
On Monday, 28 April 2025, a significant incident occurred on the Iberian Peninsula, leading to a total blackout in Spain and Portugal and short duration disturbances in a small area of Southwest France. According to the Incident Classification Scale (ICS) Methodology, the incident is classified as a scale 3 blackout. In line with the ICS […]
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Major achievement – 100% of our operators are now certified on both regulated and non-regulated RCC tasks
26/02/2026
We are proud to announce that 100% of our operators are now certified on both regulated and non-regulated RCC tasks — reaching this key regulatory milestone well ahead of the May 2026 deadline. The Training & Certification task ensures that operators performing regulated activities at Regional Coordination Centres (RCCs) – such as Coreso – meet […]
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