Register / Grid infrastructure / EIR-0821

← Back to the list

Grid infrastructureSouth Africa2018

Explosion and fire at Klaarwater substation cut power across Durban

EIR-0821

An explosion occurred at the 275kV Klaarwater major substation in Durban, South Africa, causing a widespread power outage affecting around 50 percent of the city, including areas in the Northern, Western and Southern regions. The eThekwini Municipality confirmed the explosion was followed by a small fire, which was extinguished. Technicians were sent to the site to assess the damage and determine the cause. Power was restored to some areas relatively quickly while restoration continued elsewhere. The municipality also had to address hoax images that circulated on social media falsely purporting to show the explosion, and it urged residents to reduce electricity usage to avoid overloading alternate circuits used to feed affected areas during restoration.

The cause of the explosion was not stated in the source; the municipality said technicians were still investigating at the time of reporting.

  1. Substation failures can have wide-reaching impact on urban power supply, underscoring the value of redundant feed arrangements.
  2. Clear and rapid public communication from operators is needed to counter misinformation during outage events.
  3. Requesting reduced demand during restoration helps prevent secondary overload trips on alternate circuits.

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

Related incidents

Browse the full register or submit an incident.