How solar energy could replace coal in SA
Author: Antoinette Slabbert
South Africa should consider concentrated solar power (CSP) with storage for base load energy since it has the capacity to replace Eskom’s ageing coal-fired power stations.
This is the message of Nandu Bhula, CEO of the Bokpoort CSP plant near Groblershoop in the Northern Cape. Bhula believes the performance of this plant proves his argument.
Bokpoort, with a nameplate electricity generation capacity of 50MW, has the capacity to store enough energy for 9,3 hours of electricity generation at the level of 50MW, once the sun sets.
If it reduces the output to 30MW as the electricity demand drops after the evening peak, it can run 24 hours per day.
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