12 Dec 2017 : France’s nuclear regulator ASN has asked state-controlled nuclear operator EDF to strengthen technical controls at the four-unit Cruas nuclear station following a series of “significant events” in controlling the nuclear chain reaction in both double-units in the second half of 2016.
ASN said there were errors in setting certain parameters for the automatic control system and that the staff did not sufficiently understand what they did.
No event on its own was serious, but (...)