The Government of India, in 2015, had set an ambitious target of installing 100 GW of solar capacity by 2022. The target included 40 GW of rooftop solar (RTS) systems and 60 GW of ground-mounted utility-scale solar (GMS) systems.
The growth in RTS was expected to be huge, considering its estimated market potential of 124 GW (as per a 2014 study by The Energy and Resources Institute). Another factor expected to favour the growth of RTS was the large number of readily available roofs in households, office buildings (both government and private), commercial and industrial (C&I) establishments, educational institutes, etc., all over the country.
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