Renewable energy is energy that is collected from renewable resources that are naturally replenished on a human timescale. It includes sources such as sunlight, wind, water (rain, tides, waves), and geothermal heat.

There are five major renewable energy sources

• Solar energy from the sun.
• Geothermal energy from heat inside the earth.
• Wind energy.
• Biomass from plants.
• Hydropower from flowing water.

Which renewable energy is best?

Wind comes out on top by a wide margin over all the other sources. It is followed in order by geothermal, hydro, nuclear and solar.