Flamanville EPR launched its system performance tests prior to reactor start-up in 2018... On Wednesday 15 March 2017, construction of the Flamanville EPR reached another milestone with the beginning of the system performance testing for the whole plant, in accordance with the timetable announced in September 2015 . These tests, which will take place until the last quarter of 2018, will help check and test that all the EPR's circuits are working properly.