We should start off by saying that there are three orders of environmental impacts of hydroelectric power. MHP improves the access to information and telecommunication (via TV, radio, mobile phones). Electricity supply also allows the use of ground water pumps, thus water borne diseases due to contaminated surface water can be decreased. In addition, most of these projects were built years ago, when construction costs were low. However they tend to create small, shallow pools which can cause problems such as sedimentation as well as eutrophication and can thus affect water quality and lead to greenhouse gas emission. Using Hydro Power Plants for Flood Prevention, http://www.icrepq.com/ICREPQ%2709/340-hueso.pdf, http://www.esha.be/fileadmin/esha_files/documents/SHERPA/Environmental_Barometer_SHP.pdf, https://energypedia.info/index.php?title=Socio-economic_and_Environmental_Impacts_of_MHP&oldid=201852. In many instances, such as the Three Gorges Dam in China, entire communities have also had to be relocated to make way for reservoirs [ 3 ]. They do not require any sort of fire or combustion, so there is no risk of explosions or radioactive spills. (2011). Additionally there is an increased awareness of the importance of a proper watershed management and reforestation to secure long term water resources. Moreover, women’s and children’s work load decreases, since they spend less time on energy related household tasks such as the collection of fire wood and water gathering. Food processing and refrigeration allow an improvement of diet, contributing to reduction of hunger and malnutrition. This page has been accessed 30,491 times.

Mostly, this type of power is taken from dams placed on rivers and streams, making the dams the biggest factor in impacting the environment. Meder, K. (2011): Application of Environment Assessment related to GIZ ECO Micro Hydropower Plants in the Sidama zone/Ethiopia (unpublished Diploma thesis). Other jobs traditionally reserved to women such as shopkeeper or craftworks may improve with the access to electricity. Expenditures for candles and kerosene/gasoline decrease. As a result, these plants are playing a significant role in keeping electricity costs affordable for consumers, creating a positive impact on the economy. The hydroelectric life cycle produces very small amounts of greenhouse gasses. Power supply in schools attracts teachers to rural areas and allows use of multimedia tools. More user interests related to exploitation of fish species, which helps that this is a field that many … The following positive aspects of hydropower run the gamut from environmental, to social, to economic, all of which make this an attractive power source. Therefore, they have more time to study and become literate. A Renewable form of Energy; Hydroelectric power is run by water that is recycled back to the earth through the process of the water cycle. Since MHP and PHP schemes do not require a reservoir and divert only part of the stream water away from a portion of the river to power the turbine, they only have little impact on the flora and fauna of the vicinity.

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