India's scope for hydropower development is vast. Close to 150 GW of theoretical potential exists in the country today, with an estimated 84 GW of economically exploitable capacity, according to figures from the Central Electricity Authority (CEA). Simultaneously, there is a large population of rural poor with no access to grid electricity, an existing peak load deficit estimate at around 10 percent and a rapidly growing economy — and with it an associated increase in power demand.

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