What is solar power? Solar power is energy generated from the heat or light from the sun, which can be used to produce heat, light, hot water, electricity, and cooling in a wide variety of grid-tied and off-grid applications. Each hour, the sun radiates down sufficient solar energy to power the entire world for one year. Solar panels contain solar cells, the structure of solar power. Solar power is responsible for fossil fuels such as that of petroleum and coal, as these substances are the result of large masses of decomposed plants, during their own lifetime absorbed solar energy. The fact of the matter is solar energy has been in use in various forms for …