India added 1,748 MW of rooftop solar in the year ending June

The annual rooftop solar installation in the twelve months ending June 30, 2021 included 1260 MW from the commercial and industrial sector and 488 MW from the residential segment.

October 14, 2021 Uma Gupta

Residential segment recorded a 360% increase in installations year-on-year.

Maxwatt Solar

India has reached an installed rooftop solar capacity of 7,701 MW as of June 30, 2021 with 1,748 MW added during the period July 1, 2020 and June 30, 2021. The cumulative installed capacity includes 2,507 MW of commercial, 3,902 MW of industrial, and 1,292 MW of residential PV, according to Bridge To India‘s Solar Rooftop Map 2021 June.

The capital expenditure (capex) model, wherein consumers own the system, accounts for 5,505 MW (71%) of this capacity. The balance of installations (2,196 MW) is in Opex (operating expenditure) mode, wherein a third-party company (developer/RESCO) owns, installs, and operates the system at consumer premises.

Annual installations

In the July 2020-June 2021 period, the residential segment added 488 MW of rooftop solar capacity—a 360% increase year-on-year. Bridge To India cited the MNRE subsidy scheme and large tenders by many states as the driving factors for this surge.

The share of opex-mode installations in the annual installations dropped from 39% in the previous year to 20% (345 MW of 1,748 MW)—mainly because developers focused on the open access market for faster growth and consumers restricted site access because of Covid concerns.

Among players, Mumbai’s Tata Power led in EPC installations with 10.8% of the 1,748 MW market. Hyderabad-based Fourth Partner Energy ranked second with a 4.95% market share. Mumbai’s Mahindra Susten (2.5%) installed the third most capacity.

Fourth Partner Energy was the lead developer. It claimed close to 18% of the 345 MW Opex (developer-mode) market. Gurgaon’s Amplus Solar (13.8%) and Singapore-based Cleantech Solar (7.4%) followed next.

All top five inverter suppliers were from China. Solis supplied 19.12% of the 1,748 MW market, followed by Sungrow (14.79%), Delta (13.11%), Growatt (10.77%), and Goodwe (8.1%).

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