Explainer: Eskom blames current Stage 4 load-shedding on jellyfish

Explainer: Eskom blames current Stage 4 load-shedding on jellyfish

- South Africans have been enduring load-shedding on top of all the other drama this week

- Eskom revealed that a large part of the problem was due to an unusual incident

- Briefly.co.za explains the strange occurrence that kept Mzansi in the dark

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Stage 4 load-shedding will be continuing until Friday evening, according to Eskom.

The power utility provided South Africa with an update on the situation, commenting that:

“We expect that load-shedding, at reduced stages, may continue into the weekend. We are currently utilising emergency generation reserves to supplement supply. Some generation units are expected to return to service this evening and tomorrow. This together with reduced weekend demand will help ease the supply constraints and reduce the stage of load-shedding."

While this is sure to dampen the festivities over the weekend, the reason behind the sudden high stage of power cuts is somewhat amusing.

READ ALSO: No end in sight for load-shedding: Eskom warns of 18 more months

The utility revealed that a Koeberg unit was manually tripped by operators in accordance with procedure:

“The reason for the manual trip was as a result of increasing temperature on the secondary side of the plant due to degraded heat removal (or cooling) capability because the pump that remained in service was supplying a heat exchanger that was degraded and not able to sufficiently remove heat."

But the reason the pump had tripped was due to a filter clogged with jellyfish and other marine life:

“The circulating cooling water system pump that tripped was due to low level in the suction pit as a result of the drum filter that was clogged by an acute ingress of marine life (jellyfish and fish)."

Eskom explained that the excess marine life caught in the filter had put a fishy spanner in the works:

“The excess marine life and debris have been cleared off the drum filter and it is back in service. The level in the suction pit has sufficiently recovered and the circulating water system pump has been put back in service and no anomalies have been noted."

Luckily the pump had survived the visit from sea creatures and was not damaged as initially feared.

Briefly.co.za reported that CEO André de Ruyter recently warned of a high probability Eskom would need to implement load-shedding over the next two years in a bid to undo years of irregular maintenance and mismanagement.

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Source: Briefly.co.za

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