India has 150 GW of known renewable energy potential, of which only about 14% has been developed. Renewable energy is considered to be an important part of the solution to India’s energy shortage.

In the context of generation of electricity from RE sources, there is wide divergence of potential of various RE sources in different states. Also, there is wide divergence in the tariff of different technologies being used for RE based electricity generation and its impact on the retail tariffs.