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Grid infrastructureCanadaEIR-0470

Explosion and fire at power substation cause outages near Sudbury

July 2025Published 7 Sept 2026Responsible editor: Chief Editor

SignificantElectricalProvisional
Estimated damageEstimated by the register's adjusterHow? Know the real figure?
Figure hidden: shown to subscribersLow confidence
supply cut for about •• daysShown in the record →Full estimate
From the recordRoot cause hidden
Where
power substation on O'Neil Drive, Garson, Greater Sudbury, Ontario
What
explosion and fire
Cause
Not reported
Outcome
widespread power outages in Garson and surrounding communities

What happened

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 outages affecting Garson and surrounding communities. No details were provided on the cause of the explosion, the extent of physical damage to the substation, or whether anyone was injured. The article does not identify the operator of the substation or the scale of the outage in terms of affected customers.

Lessons learned

  1. Substation explosions can spread fire quickly, so operators should fit blast detection and automatic isolation to limit damage.
  2. Public video of a blast gives early timing data, so investigators should collect amateur footage promptly after any substation event.

More lessons on detection and monitoring, emergency response and public communication, from every incident on the register.

Not yet known

  • Cause of the explosion
  • Extent of physical damage to the substation
  • Whether anyone was injured
  • Operator of the substation

This entry is updated when these are reported. Get an alert for the next one like it.

Source

ctvnews.ca

Published 2026-09-07. Written from public reporting. Descriptive, not investigative. See the data accuracy disclaimer.

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Chart to reuse with this story: Grid infrastructure incidents in Canada, by year, free with a credit (PNG).

Grid infrastructure incidents in Canada: 26 entries, with a free alert for the next one.

Substation and transformer fires: the counts, the latest entries and a free alert for the next one.

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