ABSTRACT
Humans have used solar energy for thousands of years for activities such as heating buildings and drying crops, but, to date, very little of the sun’s energy has been harnessed for commercial energy production. At present, solar energy contributes only a tiny percentage of global energy supply (less than 1%) and only 0.15% of global electricity production.1 However, the sheer magnitude of the potential resource, its inexhaustible nature, and its environmentally friendly attributes suggest that solar energy is destined to become a much more important energy source over coming decades.
