India has huge potential of renewable energy resources such as wind, solar, hydro etc. Most of the renewable installations are in the renewable potential rich states of Tamil Nadu, Karnataka, Andhra Pradesh, Gujarat, Maharashtra, Rajasthan Himachal Pradesh and Jammu & Kashmir. These states contribute more than 80 to 90% to the total installed renewable capacity in the country. Various policy initiatives and fiscal incentives have awakened interest in developing renewable generation plants.