Solar water heaters offer relief

2011-06-26 16:12
Port Elizabeth - For years the only hot water in Zoleka Mali's home came out of a pot on her paraffin stove.

But earlier this year, South Africa's power company Eskom installed a solar heater on her roof, giving her a free and endless supply of hot water as part of a campaign that aims to ease pressure on the grid and make solar power more popular.

"I don't know much about renewable energy though or environmental stuff," said Mali. What she does know is the clear benefits of her geyser.

"The geysers use the sun to heat up the water. My electricity is not affected and I have even stopped using my paraffin stove as it was dangerous," said the mother of two from Zwide township in Port Elizabeth.

Eskom offers a basic free allowance of electricity to low-income South Africans, which is enough to keep the lights on but not enough to have regular water for bathing or cleaning.

So many use paraffin stoves that are a leading cause of home fires which can be hard to contain in crowded neighbourhoods.

Mali is one of the 30 000 beneficiaries in Port Elizabeth, where the black and silver rooftop geysers have become known locally as "flies", because of the way they look from a distance, shimmering in the sun.

Electricity demand reduced

Eskom's objective is to install one million solar water heaters throughout country by 2015, with tens of thousands already installed in other cities around the country.

The company is offering 110-litre geysers for free in township homes, but wealthier families needing larger volumes also receive a subsidy to encourage them to switch to solar.

Eskom has so far spent R340m on its rebate programme.

"Eskom and government's joint objective is to save energy and to encourage the use of renewable energy, as well as to provide relief to low income households," said Eskom spokesperson Hillary Joffe.

The solar project has already reduced the demand for electricity by 22MW, she said.

That's a tiny fraction of the power produced by a coal power plant, but about one-fifth of the electricity that would be generated by a planned solar field in the arid Northern Cape.

Massive new coal plants are being built to cope with South Africa's energy needs, but international loans for those projects have also required the country to commit more resources to renewables.

The country already emits half of Africa's greenhouse gas emissions, mostly from coal-powered power stations.

The African Development Bank earlier this month approved a $365m loan to help fund Eskom's wind and solar projects.

The country is also keen to be perceived as more environmentally friendly in the run-up to UN climate talks in November in Durban, which will seek to create a deal to follow up on the Kyoto Protocol.
- SAPA
Read more on:    eskom  |  solar power  |  energy
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