Fire at JG Strydom switching substation causes blackout

What happened

A fire at the JG Strydom switching substation caused a blackout, according to a report published by The Citizen on 16 March 2022. The article text could not be retrieved, so this entry rests on the headline and feed summary alone. The report's URL places the story in the Roodepoort Record section, which suggests a location in Roodepoort, South Africa, but the summary itself does not state the country or town.

The year 2022 is taken from the publication date, and the actual date of the fire is not reported. The summary does not establish the area affected, the number of customers without power, how long supply was off, the cause of the fire, or the equipment that burned. The fire service response is also not confirmed. The entry will be revised once the full report has been checked against a second source.

Contributing factors

Not reported in the available summary.

Lessons learned

1. A switching substation can cut supply to a wide area, so operators should map which downstream loads depend on each switching station and plan alternative feeds.
2. Switchgear and transformers at substations need fire detection, isolation and barriers so that a fire is contained and does not spread to adjacent equipment.
3. Operators should record the cause, the extent of the outage and the restoration time promptly, so that lessons can be checked and shared.

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

Source

citizen.co.za