Eskom CEO on Carbon Emission Mitigation Measures

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  • Eskom Group Chief Executive André de Ruyter says that the utility is very much aware of the negative environmental impact of some of its operations, particularly the emissions and water use of the coal fired power stations.
  • The Eskom CEO was presenting the utilities’ Clean Coal Technology initiatives to the country’s Parliament’s Portfolio Committee on Mineral Resources and Energy yesterday.

” With the new minimum emissions standards now in place, a number of Eskom coal-fired stations will have to undergo a series of upgrades. That’s because electrostatic participators on certain plants are incapable of meeting the new minimum emissions standards.”

“The cost of bringing the ageing coal fleet into full compliance with minimum emission standards would exceed R300 billion, which would involve Eskom retrofitting more economical and environmentally friendly technologies on its power stations, even while ensuring that there is adequate electricity to supply the demands of the South African economy.”

“Installation of these abatement technologies will also have an impact on power station output, and require additional capital, operating and maintenance costs.”

Related news: Eskom repeatedly exceeds air pollution limits

De Ruyter added that “The restructuring of Eskom into three wholly-owned division is a key enabler to the introduction of lower carbon and renewable generation technologies, by setting up the Independent Transmission System and Market Operator (ITSMO), which will facilitate the implementation of the IRP19, and greater private sector investment in generation capacity to address the expected shortfall in capacity.”

“The options to improve particulate emission performance include upgrades of electrostatic participators, addition of Flue Gas Conditioning and installation of High Frequency Transformers (HFTs), failing which the plants will have to be retrofitted with fabric filter plants. Dual Flue Gas Conditioning coupled with HFTs was identified as a technology combination that can significantly improve electrostatic participator performance incurring lower capital expenditure.”

“These Clean Coal Technologies and the Just Energy Transition offer an opportunity to reduce emissions in a more cost-effective manner. Other measures are planned for implementation in the near future, and promising concepts are at the research and pre-feasibility phase.”

Author: Bryan Groenendaal


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