Nancefield power outage affects Olifantsvlei wastewater works
City Power reported a power outage at Nancefield Substation affecting Olifantsvlei Wastewater Treatment Works in Johannesburg on 11 November. It said operators had been notified and would be sent to investigate the cause. The notice did not give a restoration time or describe what was happening at the works.
Status of this incident
Power outage confirmed
Last known status: confirmed by the source · City Power reported a power outage affecting the Olifantsvlei works. No restoration time was given.
Source moment: 11 Nov 2026, 05:13 UTC (07:13 local time)
In 20 seconds
City Power identified Olifantsvlei Wastewater Treatment Works as affected.
Operators were notified and were due to investigate the cause.
The notice did not report a household water interruption or give a restoration time.
What did City Power report at Nancefield?
City Power’s 07:13 SAST notice identified an electricity outage at Nancefield Substation and named the Olifantsvlei works. That is the time of the notice; it did not say when the power went off. It gave no customer count or list of affected streets.
What the sources tell us, and what they do not
- Site named in the notice
- Olifantsvlei Wastewater Treatment Works.
- Operator response
- Operators were notified and were due to investigate.
- Restoration estimate
- None given in the 11 November notice.
What is known about the wastewater works?
The notice establishes that the site was affected by the power outage. It does not say whether treatment continued, whether the site switched to backup power or whether there was any spill. It also gives no basis for concluding that household water service was interrupted.
Where to look for an update
Check City Power for news on the electrical fault and Johannesburg Water for information on wastewater operations or household water service. If you are planning for outages at home, the runtime calculator can help you estimate battery runtime. The internet backup guide covers the equipment needed to stay connected.