The National Institute of Solar Energy (NISE) is a research and development organization in India, focused on the field of solar energy. Established in 2013, NISE is an autonomous organization under the Ministry of New and Renewable Energy (MNRE). The organization's main goal is to conduct and promote research and development in the field of solar power in India, as well as act as a national resource center for solar energy. It is headquartered in Gurgaon, Haryana.