RUN-OFF-RIVER HYDROELECTRICITY PROJECT

UPSC GS MAINS IMPORTANT QUESTIONS

What do you understand by run-off-river hydroelectricity project? How is it different from any other hydroelectricity project?


Run-of-river hydro electricity is a type of hydro electric generation plant whereby little or no water storage is provided. It is considered ideal for rivers that can sustain a minimum flow or those regulated by reservoir upstream.




It is a power station utilizing the run of the river flows for generation of power with sufficient bondage for supplying water for meeting diurnal or weekly fluctuations of demand. e.g. Nathpa Jhakri Dam, Baglihar Dam etc.

Points of difference from other hydroelectricity projects are:

1.  Conventional hydro project requires reservoirs, whereas it either has little or no water storage.

2.  Absence of reservoir, eliminates the chances of methane and carbon dioxide emissions caused by decomposition of organic matter.



3. Absence of reservoir, decreases the chances of flooding of the upper part of the river.

4. It requires less cost of production in comparison to other hydro projects.

Recently, China is developing run-of-river project on upper side of Brahmaputra river, which caused in North East as Assam and Arunachal Pradesh is located downstream of Brahmaputra.







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