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Power has been restored to most suburbs affected by the earlier outage in Johannesburg, City Power Jhb has said, with Eikehof substation Naturena's tripped distributor fully restored and Olivedale's substation Amsterdam's tripped distributor 42% restored.
In a series of tweets sent at around 19:00, City Power thanked residents for their patience and understanding.
"Eikehof substation Naturena tripped distributor is fully restored," the first tweet said.
"Olivedale substation Amsterdam tripped distributor is 42% restored. Technical team is currently working on the remaining percentage to ensure full restoration," a subsequent tweet said.
Earlier, City Power had said that while power had been restored in most suburbs affected by the earlier outage, "[W]e are dealing with the after-effects which include localised low-voltage faults. Fault at Olivedale substation affecting Joburg north areas. Blairgowrie is also out. Technicians are attending."
Despite the repairs, not all Johannesburg's residents will be flipping the lights back on. Just after 19:00, City Power tweeted: "POWER ALERT: #Loadshedding below mentioned suburbs will be affected from 20h00 until 00h30."
The list of some 40 suburbs included Blackheath, Craighall, Linden, Greenside, Parkhurst, Northcliff, Victory Park, Dunkeld West, Hyde Park and Emmarentia.
Tuesday's blackout is not the only recent power outage in Johannesburg. On March 8, the city also had a major unscheduled outage that was unrelated to load shedding.
Fin24 earlier reported that Eskom is facing a "perfect storm" of factors affecting its capacity to supply power. These factors include ageing infrastructure and having fallen behind on maintenance due to financial difficulties.
The beleaguered power utility is under additional strain currently due to storm damage in Mozambique. Under normal circumstances, Eskom receives 1 150 MW in power from the Cahora Bassa hydroelectric generation station.
South Africa has faced load shedding ranging from Stage 2 to Stage 4 since Friday, which is expected to continue until at least the end of the week.
