Voltage dip in the main grid in Ostrobothnia
A three phase short circuit which caused a short voltage dip occured during the commissioning of Fingrid's new 400 kV line Hirvisuo - Jylkkä on Thursday, October 20, 2016 at 16.04.Detail investigation of the cause is ongoing.
Additional infomation:
Jari Siltala, Head of the control centre, +358 40 553 6040