New Delhi, June 4 -- Rooftop solar installations are becoming increasingly critical for Indian households and the domestic power grid, driven primarily by a desire to slash utility costs, according to a new pan-India survey by the Council on Energy, Environment and Water (CEEW).

About 81% of households willing to adopt rooftop solar cited a reduction in electricity bills as their primary motivation, the CEEW analysis said. For those who have already transitioned, it said, the technology delivered an average 71% reduction in monthly power bills.

The consumer survey report was released on Wednesday at an event organised by the Ministry of New and Renewable Energy (MNRE) to commemorate two years of the Pradhan Mantri Surya Ghar: Muft Bijli...