New Delhi, Sept. 16 -- India's rooftop solar sector has the potential to scale to 132 gigawatts (GW) from the current 17 GW installed capacity, with an annual demand outlook ranging between 9 GW and 15 GW through 2030, according to the Indian Solar Manufacturers Association (ISMA).

The report highlighted that while 17 GW stood installed across the country, an untapped potential of nearly 115 GW remained in the residential segment. The industry body noted that this gap offered an avenue to generate demand for domestic manufacturing across solar cells, modules, inverters, and balance-of-system components.

ISMA based its market projections on national residential electricity consumption patterns, household housing characteristics, and dist...