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Cape Town on High Alert as Eskom's Stage 6 Loadshedding Threatens City Infrastructure

Published November 26, 2023
2 years ago

As the South African energy utility Eskom intensifies its loadshedding to stage 6, the City of Cape Town has issued a warning to the public regarding the escalated risk and potential impacts this could have on municipal infrastructure and public safety. Eskom's increased loadshedding stages have strained the City’s ability to ensure an uninterrupted power supply, thus raising concerns over the City's contingency capabilities.


The City currently operates 1,641 traffic signals, out of which 1,087 are outfitted with Uninterruptible Power Supply (UPS) systems to keep them functioning when there's a power cut. These systems are essential to maintaining smooth traffic flow during power outages. Notably, 360 of these traffic signals are backed by state-of-the-art lithium-ion batteries which are capable of providing extended operation during loadshedding, particularly at critical intersections. This technology proves imperative during unforeseen extended power interruptions.


However, despite these measures, there is heightened concern surrounding the other UPS systems lacking lithium-ion technology, which may fail under relentless high-tier loadshedding situations. To manage potential chaos on the roads, residents are reminded to treat any inoperative traffic signals as four-way stops. In cases of prolonged traffic light outages, the City urges the public to report the incidents to the Transport Information Centre.


The risk to infrastructure extends beyond traffic management; the sewer system also confronts heightened jeopardy during escalated loadshedding. Extended power cuts risk causing sewer overflows, which can lead to environmental hazards and public health concerns. Responding to this, the City has instituted a nimble sewage spill protocol that involves swift containment and repairs executed by coordinated departmental efforts. Key sewer pump stations across the city are fortified with permanent generators, thereby boosting the resilience of the sanitation network.


Cape Town's electricity infrastructure, despite being robust, is not impervious to the stresses imposed by protracted power outages. Secondary tripping - a situation where power, after a loadshedding period, returns simultaneously to a connected area, causing further outages - is a significant risk associated with loadshedding. Consequently, the City advises residents to switch off or disconnect appliances before loadshedding periods to minimize the chance of secondary tripping when power is restored.


The continuation of high-stage loadshedding brings another layer of vulnerability in the form of increased illegal connections and cable theft as infrastructure remains unpowered for longer periods. To combat these illegal activities, the City encourages residents to report any suspicious activities, with the incentive of a R5,000 reward for information leading to successful arrests or the recovery of stolen or illegal goods.


Keeping in mind public amenities, loadshedding can also affect the quality of water in public swimming pools, potentially causing unexpected closures. Should pool standards fall due to power cuts, facilities may remain open, but patrons are asked to refrain from using the water. Any subsequent mechanical failures as a result of extended loadshedding could lead to temporary pool closures.


The City has ensured that multiple reporting channels are open for residents to inform authorities of any damage to electrical infrastructure. This is aligned with their commitment to maintaining safety and services during these challenging times of loadshedding.


For additional information and practical loadshedding tips, citizens are encouraged to visit official resources like the City’s 'Media-and-News' portal and ‘SavingElectricity’ website.



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