There is a major power outage in Thunder Bay

Synergy Energy outage map shows nearly the entire city being impacted.

A post on its Twitter page says the outage is affecting several thousand customers.

It attributes the outage to the loss of supply at two transmission stations.

We will have more details as they become available.

Thunder Bay Power Outage affecting several thousand customers through the city due to loss of supply at two transmission stations. We will provide updates as they are available and appropriate your patience. pic.twitter.com/EA9NeQvHTn

— SYNERGY NORTH (@north_synergy) June 29, 2023

This may from Synergy North shows the extent of the outage.