Renewable Energies

 Coal, oil, and natural gas are non-renewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve. In contrast, the many types of renewable energy resources-such as wind and solar energy-are constantly replenished and will never run out.
Most renewable energy comes either directly or indirectly from the sun. Sunlight, or solar energy, can be used directly for heating and lighting homes and other buildings, for generating electricity, and for hot water heating, solar cooling, and a variety of commercial and industrial uses.
The electricity produced from solar energy can be used to operate ball mills, grinders, crushers, and other mineral processing heavy machines. According to high cost of electricity, it seems commercially reasonable to create a power plant using endless and free source of solar energy.