Energy Incident Register
Register / Grid infrastructure / EIR-0727
← Back to the list
Grid infrastructureUnited StatesEIR-0727

Transformer explosion knocks out power in Ossining, New York

May 2018Published 14 Sept 2026Responsible editor: Chief Editor

MinorElectricalProvisional
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
Ossining, New York
What
Transformer exploded, knocking down power lines
Injuries
None reported
Cause
Not reported
Outcome
Dozens of customers lost power; road closed

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

What happened

A transformer exploded in Ossining, New York, at around 6:30 a.m., knocking down power lines onto a local street. The affected road was closed between two intersections while repairs were made. Dozens of Con Edison customers lost power, and it was unclear when service would be restored as of early afternoon. No injuries were reported in the coverage. The incident disrupted local traffic and utility service but details on the cause of the explosion were not provided by police or the utility at the time of reporting.

Contributing factors

Not reported.

Lessons learned

  1. A distribution transformer explosion can drop live lines onto a street, so the operator must close the road at once and isolate the section.
  2. After a transformer failure, utilities need to give clear updates on when supply will return, as delays affect many customers.

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

Not yet known

  • Cause of the transformer explosion
  • Exact duration of the power outage
  • Age and model of the transformer

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

Source

lohud.com

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: 449 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. Also: transformer explosions and power line and cable failures.

Browse the full register or submit an incident.