Disturbance on Fenno-Skan 1 interconnection

Disturbance for Fenno-Skan 1 HVDC interconnection between Finland and Sweden on 3th of October 2020 at 15:17. HVDC interconnection dropped off the transmission grid. for 400 MW transmission power. The investigation of the reason is ongoing.

Update 3.10.2020 at 19:08. Fenno-Skan 1 was back in operation at 18:33. The fault reason was cooling system failure. 

Additional information: Expert Jussi Huttunen phone +358 40 519 5035