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Power blackouts all week: Eskom

Eskom warns there will be another week of load-shedding. Forecast at stage 2, but Eskom warns: "Since the power system remains volatile and unpredictable, higher stages of loadshedding may be required."
Eskom warns there will be another week of load-shedding. Forecast at stage 2, but Eskom warns: "Since the power system remains volatile and unpredictable, higher stages of loadshedding may be required."
Image: Eskom

Stage 2 load-shedding will continue throughout the week, Eskom said on Sunday.

“Regretfully, due to the ongoing insufficient generation capacity and the inability to replenish emergency reserves over this weekend, stage 2 load-shedding will continue throughout next week from 5am on Monday until 5am on Saturday,” the utility said in a statement.

“Since the power system remains volatile and unpredictable, higher stages of load-shedding may be required.”

Eskom said despite the recent implementation of a fresh round of load-shedding, “events over the past two days have required extensive use of emergency generating reserves, hampering the recovery of the dam levels at the pumped storage power stations and depleting already low diesel levels.”

On Saturday there was a major incident in Zambia affecting the entire Southern African power pool, according to Eskom.

The statement said during this incident, the imported power from Cahora Bassa reduced by 1,000MW while a Tutuka generator also tripped.

“Furthermore, a unit at Tutuka power station was forced to shut down while there were further delays in returning a unit each at Lethabo and Majuba power stations.”

On Sunday a unit each at Medupi and Matla power stations tripped.

“The high usage of OCGTs [open cycle gas turbines] over the past two weeks has resulted in limited diesel stock being available.

“Bulk diesel supply for the OCGT power stations is expected in mid-November.

“Total breakdowns currently amount to 16,693MW while planned maintenance is 5,769MW of capacity.”

Eskom teams managed to return two of the three generators at Kendal power station after a shutdown on Friday due to coal constraints. A unit each at Lethabo and Majuba power station was returned to service from boiler tube leak repairs.

A total of 12 generating units with a combined capacity of 5,271MW are expected to return to service during the week.

“We remind customers that load-shedding is implemented as a last resort to maintain the stability of the power system regardless of the stage of load-shedding.

“Eskom would like to apologise for the inconvenience caused by the implementation of load-shedding, and requests the public to reduce the usage of electricity in order to help us through the constraints.

“Eskom will communicate promptly should there be any significant changes to the power system.”

TimesLIVE

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