It's non-polluting and the ''fuel" is free
It is an example of renewable energy.
non-polluting
It is usually referred to as solar power.
There are many other ways to produce eletricity without solar energy, you have other renewables sources which include wind (wind farms) and water (turbines in water) some dams have water turbines to produce energy. The rest of our eletricity is produce by burning fossil fuels, there is also nuclear power as well.
Harnessing photosynthetic processes
eletricity
as eletricity
Nuclear Power
Heat energy is the amount of heat used to energize or to produce heat.
They produce energy that can be used in homes to generate electricity
producing eletricity taking hot showers
Answer: Many natural resources are of energy. People use energy not only from fossil fuels, but also from the wind and the sun. Dams produce hydroelectric power by harnessing the power of falling water.