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Grid infrastructureUnited StatesEIR-0743

Sparking transformer fire near Hillsborough substation cuts power to thousands

Aug 2025Published 15 Sept 2026Responsible editor: Chief Editor

Estimated damageEstimated by the register's adjusterHow? Know the real figure?
Figure hidden: shown to subscribersMedium confidence
supply cut for about •• daysShown in the record →Full estimate
From the recordRoot cause hiddenFailed part hidden
Where
transformer along South Churton Street in Hillsborough, North Carolina
Operator
Duke Energy
What
transformer sparking, power line down, vegetation fire
Injuries
None reported
Cause
Not reported

Companies named in the reporting of this entry (being named is not a finding of fault): Duke Energy

A transformer along South Churton Street in Hillsborough, North Carolina began sparking on a Sunday afternoon, with the power line reported to have fallen to the ground and ignited nearby vegetation. The fire occurred near a Duke Energy substation and across from Boone Square. The Orange Rural Fire Department responded and extinguished the blaze within about two hours. Duke Energy's outage map subsequently reported more than 2,700 customers in Hillsborough without power, attributed to equipment going offline. The utility estimated power would be restored later that evening. No injuries were reported in the source material, which described the story as still developing.

Reported sparking from utility equipment on a pole, which led to a downed power line igniting surrounding brush and vegetation. The underlying cause of the sparking was not reported.

  1. Sparking from pole mounted equipment can ignite vegetation, so operators should improve vegetation management around distribution poles.
  2. Fire services can contain vegetation fires from live lines when response is swift, so pre planned access routes help limit spread.

More lessons on maintenance, inspection and ageing assets, fire suppression and firefighting, from every incident on the register.

  • Underlying cause of the sparking
  • Transformer model and age
  • Exact duration of power outage
  • Cost of repairs and lost supply

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

Published 2026-09-15. Written from public reporting. Descriptive, not investigative. See the data accuracy disclaimer.

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