Overview
- EDF reduced output then disconnected production units 1 and 3 overnight in line with storm procedures based on forecast conditions.
- Unit 1 cut power to 50% on Thursday before isolating around midnight to supply only its own internal needs.
- The EPR unit 3 lowered to 55% on Thursday, was subsequently stopped, and is now supplied by the external electrical network.
- Unit 2 was already offline for scheduled maintenance, leaving the site with no reactors feeding electricity to the grid during the storm.
- Regional reports cited roughly 380,000 households without electricity at the peak as the Cotentin area saw red alerts and gusts locally exceeding 200 km/h.