Grid infrastructure incidents recorded in Canada, with what happened, the contributing factors and the lessons, each with its sources.
30 published entries. Newest first. Search and filter these in the register.
One email when a new incident is reported, at most two a day, plus a Monday digest. Free, no account needed, unsubscribe in one click.
We will also email you about the register's paid records and plans, at most once a week and three times in all. You can stop these at any time. By subscribing you agree to the privacy policy.
Newest incident first. Search them, or narrow them by country, year or severity. Each entry is free to read, with what happened and its sources; the record behind it adds the cause where it is established, the part that failed, the downtime and the loss.
A fire broke out at an electrical transformer in downtown Toronto, Canada, knocking out power to hundreds of customers in the surrounding area. The fire was reported on 26 May 2026. This is based on a single brief news report; the exact location, the utility...
On the afternoon of 27 October 2025, a single vehicle struck a hydro pole on Dundas Street in the Old East Village area of London, Ontario. The pole was knocked down at about 2:20 p.m. More than 400 people were left without hydro. Police closed Dundas Street...
On the morning of 2 July 2025, an explosion and fire occurred at a power substation on O'Neil Drive in the Garson community of Greater Sudbury, Ontario. Amateur video captured the blast shortly before 6 a.m. local time. The event caused widespread power...
The record behind each entry: the manufacturer, integrator and operator, root cause, failure mode, downtime, losses and every source.
On the night of Wednesday 7 May 2025, shortly after 10 p.m., Port Hope Fire and Emergency Services responded to several 911 calls reporting an explosion at the Esco property on Hope Street South, Port Hope. Firefighters found that a 44,000-volt transformer at...
Around 2,600 Nova Scotia Power customers near Mic Mac Mall in Dartmouth, Nova Scotia, lost power after a power line caught fire on a Sunday morning in January 2025. Fire crews put out a small fire from a downed line on the front lawn of a house on Sea King...
CTV News reported that a transformer caught fire in Cambridge on Sunday, and published video of the fire. The available text does not say whether anyone was hurt, whether power was lost, or what caused the fire.
CTV News reported that an electrical transformer exploded in the Forest Hill area of Toronto and that no injuries were reported. The cause, the operator, whether there was a fire or a power cut, and the extent of any damage were not reported in the available...
A transformer fire was reported near 800 Murray Street in Midway, British Columbia, on 23 April 2024. FortisBC said the fire started at 6:50 a.m. and knocked out power to about 1,000 customers between Rock Creek and Greenwood. By late morning the utility said...
Early on a Sunday morning, hydro lines caught fire near Palmer Rapids after a transformer exploded at a residence in the area of Cottage Lane and Wishman Road. The local fire service was called after residents heard an explosion, but the fire continued until...
A transformer fire broke out at around 7 a.m. near City Hall Square in Windsor. The fire caused a power outage that shut down services at 350 and 400 City Hall Square for the day. Affected services included Service Canada, Service Ontario, the Ontario Court...
A utility transformer exploded and caught fire on Tuesday 28 February 2023 near Country Hills Boulevard and Country Village Landing N.E. in the northeast of Calgary, Alberta. A utility worker driving past noticed the explosion and the fire. Calgary Fire...
A fire broke out at the substation serving the Tolko Industries Armstrong division. The incident knocked out power to both the plywood plant and the lumber mill. The cogeneration plant on site remained unaffected as it connects to a separate substation....
On the evening of Tuesday 16 March 2021, a transformer failure in the west end of Windsor was reported to have ignited a large fire in wood pallets and debris at the corner of Crawford Avenue and Tecumseh Road West. Windsor Fire and Rescue Services responded...
A transformer failure and fire at the Churchill Falls switchyard in Newfoundland and Labrador resulted in an oil spill on Thursday night, 29 October 2020, according to Nalcor Energy, the provincial Crown corporation that operates the site. The transformer...
The Fergus fire station attended a fire at a Hydro One substation on Wellington Road 18, near the Wellington County OPP station at Aboyne, Ontario, after a call at 3.15am on 11 September 2020. Crews were on scene by 3.25am. The fire was contained within the...
On Thursday 23 May 2019, a transformer fire at De Grassi Street, east of Dundas Street and Broadview Avenue in Toronto's east end left around 3,800 people without power, according to Toronto Hydro. Toronto Hydro said the fire was caused by animal contact. The...
A transformer explosion triggered a power surge in the Georgetown area, sparking fires and knocking out power to some homes. Fire services received 28 calls for service ranging from reports of fire to odour investigations and smells of smoke. Two calls...
Early on Saturday 13 April 2019, police in Bathurst, New Brunswick, responded to a power outage on St-Anne Street and found a man with serious injuries at NB Power's Bathurst West Substation. He was unresponsive, and first responders attempted resuscitation....
Transformer Magazine reported that a transformer explosion in Toronto, Canada, caused a power surge that sparked fires and knocked out electricity to some homes. Firefighters reported arriving within minutes and found very thick black smoke billowing from the...
A transformer exploded near Tamarack Drive, close to South Rutland in Kelowna, at 9:30 p.m. on a Friday night in June 2019. Fire fell into grass below the power line and set it alight. At the same time, power went out for more than 1,000 homes and businesses....
One email when a new incident is reported, at most two a day, plus a Monday digest. Free, no account needed, unsubscribe in one click.
We will also email you about the register's paid records and plans, at most once a week and three times in all. You can stop these at any time. By subscribing you agree to the privacy policy.