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Grid infrastructurePuerto Rico2026

Explosion and fire at Carolina substation leaves more than 217,000 without power

EIR-1220

Provisional entry. One short report says an explosion and fire at a LUMA Energy substation in Carolina left more than 217,000 customers without power; the cause, injuries and duration are not yet known. Next update: 24 September 2026.

A short news report says an explosion and fire at a LUMA Energy substation in Carolina left more than 217,000 customers without power across several municipalities in Puerto Rico. The cause, any injuries and how long the outages lasted are not reported.

  1. A single substation fire can cut supply to a very large number of customers across several areas at once.
  2. Operators should be ready to isolate the affected site and restore supply by other circuits where the network allows.
  3. Early public figures on outage scale help customers and emergency services while the cause is still unknown.

Published 2026-09-24. Written from public reporting. Descriptive, not investigative. See the data accuracy disclaimer.

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