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Updated: Power restored overnight after major outage affecting Greater Sudbury

Outage was caused by a serious issue at Hydro One’s Martindale Transmission Station
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Updated May 10 at 6:30 a.m.

Power was restored overnight to all Greater Sudbury Hydro customers affected by last evening’s outage.

GSU said the widespread outage began at 9:18 p.m. with a problem at the Hydro One Martindale Transmission station.

About 20,000 Greater Sudbury Hydro customers were initially affected, as well as thousands of Hydro One customers (Hydro One's outage map shows power has also largely been restored to its customers as of early Monday morning - there is a small outage affecting less than 20 customers in the Fairbanks Lake area).

Greater Sudbury Hydro was able to reroute power to the majority of its affected customers; however by midnight, no further switching was possible. 

About 2,800 customers in Capreol, Falconbridge and Coniston remained out until just before 3 a.m.

As normal switching patterns are restored later today, some customers may notice momentary interruptions.

"We thank our customers for their patience," said Greater Sudbury Utilities.

Updated May 9 at 10:40 p.m.

Greater Sudbury Hydro has been able to reroute power to many areas of the service territory in Sudbury, however, the South End, Capreol and Coniston are still out.

"We are hoping to have the South End back on shortly. Capreol and Coniston may take a while yet," said a news release. 

This outage was caused by a serious issue at Hydro One’s Martindale Transmission Station, which supplies power to many GSH distribution substations.

There is still no estimate on time of restoration.

Original story

Greater Sudbury Utilities said there has been a widespread power outage. 

Crews are responding.  There is no known cause yet. There is no estimated time of restoration available. 

Hydro One said there were 9,918 customers affected by the outage, and is affecting Blezard, Dryden, Garson, MacLennan, Neelon, Kelly, Hanmer, Scadding, Rathbun, Davis, Awrey, Falconbridge, Norman, Capreol, Wahnapitae First Nations.

Greater Sudbury Police said on social media do not call 911 for information regarding this situation. Please reserve 911 for emergencies only.

With the power outage, traffic lights and street lights have been greatly affected.

"Please treat all intersections with non-functioning lights as four-way stop and use caution with the reduced visibility."


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