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Grid infrastructureUnited States2018

Transformer fire at Entergy substation causes major outage in Louisiana

EIR-0979

A transformer fire occurred at an Entergy substation in Amite, Louisiana, causing a major power outage affecting about 8,000 customers, mostly in Tangipahoa and St Helena parishes, with some residents in Livingston Parish also affected. The fire broke out on a Wednesday afternoon. Entergy crews responded and the fire was fully extinguished, after which crews assessed the damage and carried out repairs. Power was restored to affected customers by 7:30pm the same day. The outage only affected Entergy customers in the area; residents served by another utility, Demco, were not affected.

  1. Substation transformer fires can cause widespread outages affecting thousands of customers across multiple areas.
  2. Rapid fire suppression and damage assessment processes can enable same-day restoration of power following a substation fire.
  3. Clear communication of outage maps and restoration timelines to the public helps manage community impact during grid infrastructure incidents.

Published 2026-09-17. Written from public reporting. Descriptive, not investigative. See the data accuracy disclaimer.

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