A technical trip on the Labrador Island Link triggered widespread power outages across Newfoundland on Saturday, June 6, 2026, cutting electricity to roughly 73,000 customers during the midday period.
The mass electrical disruption began just before noon, impacting residents from one end of the island to the other, according to reports from Newfoundland Power and Newfoundland and Labrador Hydro.
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Utility officials confirmed that the blackout resulted from an automatic system defense mechanism designed to stabilize the provincial grid during sudden transmission failures.
Newfoundland and Labrador Hydro explained via social media that the incident was an underfrequency load shed, a situation that occurs a few times every year.
The automated process drops blocks of customers simultaneously to quickly balance the system following an unexpected transmission line trip.
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The power restoration process started shortly after the failure, with Newfoundland Power reporting that 68,000 of the affected 73,000 customers had their electricity restored within a brief period.
Remaining blackouts continued to impact localized pockets in the Avalon Peninsula, the Gander area, and the Corner Brook-Deer Lake region as technicians worked on full restoration.
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Separately, two scheduled power outages took place on Saturday within the Sunnyside-Clarenville-Bonavista Peninsula area and the Baie Verte Junction-Sheppardville region, according to utility data compiled by CBC News.
