Substation fire and explosion leaves Ladysmith without power and water

What happened

An explosion and fire at the Newcastle Road switch house substation in Ladysmith, KwaZulu-Natal, South Africa, on a Sunday evening, as reported by The Witness on 11 May 2023, left large parts of the Alfred Duma Local Municipality without electricity and water. The source reports that the fire gutted the substation on the N11 road to Newcastle. The fire department fought the flames overnight, finishing at around 11.45 pm. Electrical engineering staff restored supply to several suburbs and industrial areas during that time.

On the Monday morning, power was restored to some businesses, the provincial hospital, Essen Hospital and the prison. The explosion also affected water pump stations, leaving taps dry in many areas, and residents discarded perishable food. The municipality put the damage at about R20 million. As of 10 May, many areas remained without power, and engineers were working to energise two transformers that were in working condition. The cause of the fire had not been identified.

Contributing factors

The cause of the fire had not been identified at the time of reporting. According to a resident quoted in the source, the water pump stations had no back-up power system, which worsened the loss of water supply.

Lessons learned

1. Critical loads such as water pumping stations should have independent back-up power, so that a substation failure does not also stop the water supply.
2. Operators should plan for prolonged outages with a clear restoration sequence, public updates and support for schools, hospitals and vulnerable residents.
3. Substation sites need fire detection, suppression and tested emergency procedures to limit damage and speed up restoration of supply.

More lessons on fire suppression and firefighting, emergency response and public communication, worker safety and safe systems of work, from every incident on the register.

Source

witness.co.za