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<b>Rural electricity</b>
As an option, wind rope pumps can be combined with a permanent magnet generator to charge batteries for a few light bulbs and a television. There are also small wind generators based on the design of the wind rope pump.
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Renewable energy sources such as animal power and wind power can be used to extract water from wells.
<b>Wind powered pumps</b>
In Nicaragua, windmills are combined with a rope pump. The wind rope pump has features of a modern wind pump of Dutch design (CWD 2000) and there are 300 units installed in Nicaragua, produced locally and maintained by the users. They are used for cattle watering, domestic water supply and irrigation. A recent survey indicates that the investment in a wind rope pump for irrigation can be recovered within 2-3 years.
[[Image:Horse_and_wind_powered_pumps.PNG|thumb|right|150px|Wind powered rope pump in Nicaragua used for irrigation of 1 ha of fruit trees and vegetables ]]
* Horse rope pump: US$ 350.
* Wind rope pump: US$ 450 - 800.
== Additional opportunities ==
<b>Rural electricity</b>
As an option, wind rope pumps can be combined with a permanent magnet generator to charge batteries for a few light bulbs and a television. There are also small wind generators based on the design of the wind rope pump.
== External links ==
