Hydro Design In an era of growing energy demand with the rapidly developing India, it necessitates the exploitation of all our available natural resources to their fullest. Going by the Government of India estimation there will be an increase in the power requirement of 200,000 MW by 2012 and 400,000 MW by the year 2020. In order to fill this widening demand-supply gap in the Power Sector, nation cannot rely solely on coal dominant energy strategy. With the view of Sustainable Development, renewable resources made their way in our energy scenario where Hydropower plays a vital role in it. It has been one of the sources of energy harnessed for centuries in different parts of the world.

Renewable Energy and Sustainable Development
Renewable energy sources are emerging as viable options for meeting energy requirements of our economic sectors in an environmentally benign and cost effective manner. As per the Ministry of New and Renewable Energy Sources, a capacity addition of 13,500 MW grid power from renewable has been achieved and a target of 15,000 MW in the XI Plan period has been envisaged. Hydropower is the largest renewable energy resource being used for the generation of the electricity. Recently, interest in the mini and small hydropower has increased in many countries especially in developing countries including China and India.
Our country abounds in abundant hydro potential amounting to 84,000 MW at 60% load factor that would give an installed capacity of 1,40,000 MW, as per the potential assessed by the Central Electricity Authority. About 10,000 MW power generations through small hydro schemes at canal falls, irrigation dams, small rivers and natural falls in hilly and remote areas. The potential of small hydro power projects is estimated at about 15,000 MW. Of this, 4,861 potential sites with an aggregate capacity of 12,841 MW have been identified (IIT Roorkee, 2007)
From the angle of Sustainability, renewable energy provides not only an environmental friendly energy but most importantly contributes to national energy security. Moreover, they are well suited for decentralized applications and use in remote areas thereby, improving the livelihood of the indigenous people of such areas. Moreover, renewable energy is perennial, available locally and does not require elaborate arrangements for transport. Fundamentally, these small units and systems can be as economical as large scale ones.

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