tmrFebruary 15, 2021 29 Rooftop solar PV offers an efficient, emission-free renewable source of electricity which can be used off-grid as well as on-grid. Rooftop solar PV offers an effective and efficient method for reducing carbon footprint and generating electricity from solar radiation. The market for rooftop solar PV has been rapidly increasing with the support of government subsidies and tax credits. The rooftop solar PV market have attracted large number of equity investments and funding. Currently, there are two major silicon technologies available: monocrystalline and polycrystalline. Rooftop solar PV systems are undergoing a surge in popularity due to their flexible nature and availability through leasing schemes. Rooftop solar electricity has been able to achieve grid parity in most of the countries. The overall payback time for the rooftop solar PV systems have been reducing, further boosting the market. The rooftop solar market is registering huge investments and funding from the equity and public investors.