South Africans collectively switching off unneeded lights would save more electricity than that produced by a generating unit at Medupi, so said Eskom CEO Andre de Ruyter.
If all South Africans reduced their geyser temperatures to 60 degrees and switched them off during the day, 743MW would be saved.South Africans collectively switching off unneeded lights would save more electricity than that produced by a generating unit at Medupi. CEO Andre de Ruyter at the utility's state-of-the-grid briefing on Thursday when he called for South Africans to play their part in reducing the strain on the country's tottering electricity supply.
Noting that SA had about 14-million households, De Ruyter said there could be a “meaningful difference” if everyone played a part. “If every household turned off one unnecessary light, that would save about 835MW. That's a huge number ... more than one unit at a big power station like Medupi produces,” he said.
If all households replaced incandescent light bulbs — and “energy intensive” halogen downlights in particular — evening demand could be reduced by roughly 765MW, again the equivalent of a generating unit at a big power station. SA also had an estimated 675,000 swimming pools whose power-hungry pump motors were heavy consumers of electricity, he added.
“If these pumps run just one hour less a day, and you'll still get rid of all your dirt in the water, that will save 506MW.”
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