Sunday, November 14, 2010

Defining Hydro Power

Defining Hydro Power
up to 20kW
20kW to 100kW
100kW to 1MW
1MW to 10MW
over 10MW

Energy experts say South Africa has moderate hydroelectric potential, and that the establishment of small hydroelectric projects around the country could help provide a sustainable future energy supply.
The US department of energy estimates that there are 6 000 to 8 000 potential sites in South Africa suitable for small hydro-utilisation below 100 megawatts, with the provinces of KwaZulu-Natal and the Eastern Cape offering the best prospects.
The largest hydroelectric power plant in South Africa is the 1 000 megawatt Drakensberg Pumped-Storage Facility, part of a larger scheme of water management that brings water from the Tugela River into the Vaal watershed. The country's second-largest plant is situated on the Palmiet River outside Cape Town.
South Africa's electricity parastatal, Eskom, currently buys power from Mozambique's Cahora Basa plant, jointly owned by the Mozambican and Portuguese governments and located in Mozambique's western Tete province.
Eskom is the Cahora Basa's biggest customer. Power bought from Cahora Basa supplements Eskom's largely coal-driven electricity supply, which is resold to numerous countries across the African continent.
A partial view of Cahora Bassa from space.

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