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Page 3

Newsletter 105, Summer 2014  © Hampshire Mills Group

 

Hydropower

Peter Mobbs

 

When we next meet at Longbridge Mill on 13 June, it is planned to have a talk on “Hydropower”.

This talk will be given by Brendon Barrow, a local authority on this technology.

The following notes give a brief introduction to this topic prior to our lecture.

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Hydropower is the world's leading renewable energy resource and the oldest method of harnessing clean power - the first waterwheels were used over 2,000 years ago.

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It currently produces around 17% of the world's electricity and 90% of the world's renewable power.

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Twenty-five countries depend on hydropower  for 90% of their electricity.

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Less than one third of the world's practical hydro capacity has been developed.

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There are no direct CO 2 emissions from hydro projects.

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Small hydro schemes have minimum visual impact on their surrounding environment.

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Hydropower, after 150 years as an electricity generating source, is still one of the most inexpensive ways to generate power.

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Most large hydro stations have dams but thousands of small hydro stations don't – they are ‘run-of-river' schemes and make a minimal impact on the environment.

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Hydro is the only renewable technology that can be used to store large quantities of energy in a clean environmentally-friendly way. This is done by reservoir storage and pumped storage schemes.

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Hydro installations can have a useful life of over 100 years – many such plants are in existence worldwide.

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A modern hydro turbine generator can convert over 90% of the energy in the available water into electricity. This is more efficient than any other form of generation.

 

 

 

 
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