Eskom Takes Steps to Mend Environmental Breaches at Kendal Power Station

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  • Eskom acknowledges the environmental breaches emanating from its operation of the Kendal power station, and is in the process of mending the technical faults that led to the environmental breaches.
  • This, however, will take some time to be completed as a significant amount of repair work is required to repair the generation units. Some of the work has already been executed.

The station has been operating above the emission limits since the strike action late in 2018 left infrastructure vandalised and damaged. During the strike action internals of the Electrostatic Precipitator (ESP) were vandalised and the functioning of the dust handling plant compromised. To repair the internals of the ESPs of several generation units requires long outages, and the repairs on generation units can only be executed one after the other.

Coal plant expert Dr Sahu reviewed Kendal’s emission reports from April 2016 through March 2020. Key findings from his analysis reveal that during this period, Kendal power station had 2,712 exceedances of its AEL limit of 100 mg/Nm3 for average daily particulate matter (PM)

Emissions from Kendal power station were responsible for between 67 and 144 early deaths in and around the Highveld Priority Area during 2018 (95% confidence interval), and between 61 and 130 early deaths between November 2018 and October 2019;

Unit 1 has been operating since 18 February 2020, within the 100mg/Nm3 emission limit after a 14 day outage. Unit 2 is also operating within the regulatory compliance limits.

Unit 5 is currently off and repairs on the ESP’s and Dust Handling Plant have started. However, due to long lead times to manufacture components it is expected that the unit will only return to service during the first quarter of 2021. Thereafter, the next planned outage will be Unit 6. Units 3, 4 and 6 are currently operating above the emission limits, for which Eskom has been granted an extension.

Given the generation system constraints Eskom will, as speedily as possible, execute the work on one unit at a time. Eskom is committed to addressing the emission issues at Kendal power station and is in the process of doing so.  An instruction to shut down the three units currently operating in non-compliance, will result in significant constraints on the power generation system and would significantly increase the level of load shedding required.

Author: Bryan Groenendaal

Source: Eskom


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