Water considerations in selecting energy technologies

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Energy Research Centre

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Energy Research Centre, University of Cape Town.


University of Cape Town

Water plays a vital role in the socio-economic development of any nation. It is exploited in different economic sectors, including the energy sector. Water and energy are inextricably related, and this relationship is usually referred to as the water-energy nexus. Water is used for energy production in the abstraction, growth and preparation of some fuels as well as in some power plants. It is also used in the raw materials for plant infrastructure, manufacturing of plant components, and the construction of power generating infrastructure. The volume of water used in the raw materials will vary widely, not only with the technology, but also the material type and plant design. Furthermore, these materials can be imported from any location and the associated water use is not limited to any water catchment, water management area or local authority.