The purpose of Lesotho Highlands Water Project is primarily to supply water from Lesotho to the Pretoria-Witwatersrand-Vereeniging industrial region of South Africa. In addition, the hydroelectric scheme at Muela will supply enough electrical power to meet the needs of Lesotho.
The project consists of a number of dams, reservoirs and tunnels, and a hydroelectric scheme which will be constructed in four phases. Construction operations, if the project runs to completion, will last until around 2020. Phase IA commenced in 1987 and consists of the Katse Dam, a Transfer Tunnel from the impounded reservoir to Muela hydroelectric power station, the Muela Dam, and a Delivery Tunnel from the latter dam to the outfall on the Ash River, which is part of the Vaal River system. The tunnels total some 81 km in length.
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Photo taken in Bethlehem, South Africa
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