* Hydroelectric power: This energy source uses the power of flowing water to generate electricity.
* Solar power: This energy source uses the power of the sun to generate electricity.
* Wind power: This energy source uses the power of the wind to generate electricity.
* Geothermal power: This energy source uses the heat from the earth's interior to generate electricity.
* Biomass: This energy source uses organic matter from plants and animals to generate electricity.
Non-renewable energy sources are those that cannot be replenished naturally on a human timescale. This includes:
* Coal: This energy source is formed from the remains of plants that lived millions of years ago.
* Natural gas: This energy source is a fossil fuel that is formed from the remains of plants and animals that lived millions of years ago.
* Petroleum: This energy source is a fossil fuel that is formed from the remains of plants and animals that lived millions of years ago.
* Nuclear power: This energy source uses nuclear fission to generate electricity.
