Energy from the sun can produce heat, electricity, or cause a chemical reaction.
Solar collectors collect solar energy and transfer it to heat to a carrier fluid. It can then be used for heating. Solar cells convert solar radiation directly into electricity by means of photovoltaic effect. Solar energy is abundant but converting solar radiation to energy there is a cost in creating large scale solar cell arrays.
(Homes) Solar cells collect three days worth of energy to batteries.
(Cars) Solar cells cover the lightweight car to move the solar car.