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Kalpong River is a river in the North Andaman Islands in The Andaman and Nicobar Islands. It originates from the saddle peak. The Kalpong River traverses in the northward direction for a length of about 35 kilometres before it joins the Aerial Bay Creek on the east coast near Diglipur.

On November 10, 2001 the Minister of State for Non-Conventional Energy Sources, Shri M. Kannappan, dedicated, the Kalpong Hydro-Electric Power Project to the nation, the first ever in an island territory. The all-important power station, besides meeting the electricity needs, is destined to change the living standards of the people of North Andaman.

·         The Kalpong Hydro-electric Project, executed by the National Hydro-Electric Power Corporation Ltd. (NHPC) on behalf of Andaman and Nicobar Administration has been commissioned 15 months ahead of schedule.

·         The project generates around 14.83 million units of energy on an annual basis. This project will provide 5.25 MW of additional capacity in the power system of North and Middle Andaman region.

·         It will also partly operate as a base load station when the demand for power is at its peak.

With the rapid rise in global energy requirements, efforts to find suitable alternatives to petroleum-based resources have gained momentum. The energy crisis assumes grimmer proportions particularly in areas which have no immediate access to conventional sources of energy. This fact finds its application in totality in the islands of Andaman and Nicobar. These remote islands which are at a distance of 1200 kilometres from the nearest land mass of the Indian mainland have traditionally depended for their power requirements on diesel shipped in from outside to feed the Union Territory’s 34-odd-power stations that run on diesel generators. The capital, Port Blair, and its suburbs in South Andaman also depend on diesel generators for their electricity needs which run at a very high production cost of rupees nine per unit.

·         A positive beginning towards self-dependence, in power sector has been achieved in Andaman & Nicobar with the commissioning of the Kalpong Hydroelectric Project, a unique engineering feat that has harnessed hydro energy in difficult geographical conditions.

·         The Kalpong Project marks a major shift in the source of power generation in North Andaman from costly and polluting diesel generators to aiding and easily available non-conventional source of energy.

·         The project will provide power at a cost many times cheaper in comparison to the earlier rates of diesel and petroleum.

Location: Andaman & Nicobar Islands

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