Alternative energy type can refer to a variety of energy sources that are renewable and sustainable. SOLAR energy is one such type of alternative energy, which is generated by harnessing the power of the sun's rays. SOLAR energy is a clean, renewable source of energy that can be used to generate electricity, heat water, and even power vehicles. SOLAR energy is becoming increasingly popular as an alternative to traditional fossil fuels, as it does not produce any harmful emissions or pollutants.