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No sign of sabotage in Finland-Sweden power outage, operator says

By Thomson Reuters Mar 10, 2026 | 2:07 AM

COPENHAGEN, March 10 (Reuters) – An undersea power cable linking Finland and Sweden suffered an unexpected outage on Tuesday due ​to a technical fault, but ‌there were no indications of sabotage, operators Fingrid and Svenska kraftnat said on Tuesday.

The Baltic Sea region has been on high alert after a ‌string ​of underwater power cable, ⁠telecom link and gas ⁠pipeline outages since Russia invaded Ukraine in 2022, with sabotage and shipping accidents blamed for the incidents.

Tuesday’s outage on ​the Fenno-Skan 2 interconnector appeared to have been caused by a malfunction at ⁠a substation, while the ⁠undersea cable section appeared to ​be unharmed, Fingrid spokesperson Jonne Jappinen said.

Sweden’s Svenska ​kraftnat also said the outage was ‌caused by technical faults and that no police or any other law enforcement agencies were involved in the probe.

The outage on ⁠the 800 megawatt (MW) power line was expected to last for around 18 hours, according to a ⁠regulatory ‌statement published by Svenska kraftnat ⁠on the Nord Pool messaging platform.

“Our ​assessment ‌is that Fenno-Skan will be ​operational again ⁠shortly,” the Swedish company said in a statement to Reuters.

(Reporting by Stine Jacobsen and Soren Jeppesen in Copenhagen and Essi Lehto in Helsinki, editing by Terje Solsvik and ​Louise Heavens)