← Back to the list
Grid infrastructureUnited StatesEIR-0706

Transformer malfunction reported to have caused an outage at Granby High School

2019Published 14 Sept 2026Responsible editor: Chief Editor

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 recordFailed part hidden
Where
Granby High School
What
Transformer malfunction reported to have caused an outage and students were dismissed
Cause
Not reported

A news headline reported that a transformer malfunction caused an outage at Granby High School and that students were dismissed. The full article could not be read, so the cause, the size of the outage, any fire, and whether anyone was hurt are not known.

Not reported.

  1. A distribution transformer fault can interrupt supply to a school and force early dismissal, so operators should plan for local supply loss impacts.
  2. A headline report of a transformer malfunction should be verified before use, as the full account may not confirm the cause.

More lessons on outages, backup supply and restoration, from every incident on the register.

  • Cause of the outage
  • Size of the outage
  • Whether there was a fire
  • Whether anyone was hurt

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

Published 2026-09-14. Written from public reporting. Descriptive, not investigative. See the data accuracy disclaimer.

See the register's stories first in Google: add it as a preferred source.

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

Grid infrastructure incidents in the United States: 450 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.

Browse the full register or submit an incident.