Among the states, in terms of cumulative installations, Gujarat led the way with 27 percent of the total installations
India added 1.7 GW of rooftop solar in 2021, the highest-ever recorded in a calendar year, according to a report by Mercom India.
Installations were up 138 percent compared to 2020. In 2021, the residential and commercial segments accounted for 35 percent and 33 percent of installed rooftop solar capacity. The industrial segment accounted for 26 percent of the total installations, and the government segment accounted for 6 percent.
The country added 402 MW of new rooftop installations in the fourth quarter (Q4) of CY 2021, marking a 10 drop quarter-over-year (QoQ) compared to 448 MW in Q3 CY 2021.
However, the installations during the quarter increased by 41 percent year-over-year (YoY) in comparison to Q4, 2020.
Out of the total installed capacity in Q4 2021, the commercial segment accounted for 44 percent of the total installations, followed by the industrial, residential, and government sectors, with 41 percent, 10 percent, and 5 percent, respectively.
Among the states, in terms of cumulative installations, Gujarat led the way with 27 percent of the total installations, followed by Maharashtra and Rajasthan with 14 percent and 10 percent, respectively.
At the end of Q4 2021, the top ten states accounted for 83 percent of the total cumulative installations.
From Q4 2020 to Q4 2021, Maharashtra registered the highest compounded growth at 26.7 percent, followed by Uttarakhand and Haryana with 26.6 percent and 24.7 percent, respectively.