Bangladesh is endowed with reasonably good solar energy potential, thanks to its geographical location. Of all renewable energy sources, solar is the most dispersed form of energy offering a wide range of applications using commercially available technologies. Important applications of solar energy in Bangladesh include solar home system, solar park, solar irrigation, solar mini grid and rooftop solar.
Falling costs, driven by technological advances and economies of scale in manufacturing, have increasingly been making solar power as competitive as conventional energy.
To date installed capacity of solar power in the country stands at around 400 megawatt (MW) only. Given the availability and rapidly declining costs, substantial amount of solar power could not be generated because of competing demand of land for agricultural or other uses. In view of scarcity of land, rooftop solar offers a feasible application to scale up solar power generation. The modular nature of solar photovoltaic (PV) system makes them highly adaptable for use on roofs.