For some developing economies, there is an argument for exploring the careful and judicious use of hydropower to meet a particular region’s energy needs, especially when these complement its water needs. Listen to Mallika Aryal’s interview with Jeremy Bird, director-general of the International Water Management Institute, for a succinct account of why water management and energy production are so inextricably linked.
Source: http://www.scidev.net/global/water/editorials/hydropower-described-as-renewable.html