- Solar energy: This energy source uses sunlight to generate electricity through solar panels.
- Wind energy: This energy source uses the wind to turn turbines that generate electricity.
- Hydropower: This energy source uses the flow of water to generate electricity through hydro dams.
- Geothermal energy: This energy source uses the heat from the Earth's core to generate electricity.
- Nuclear power: This energy source uses nuclear reactions to generate electricity.
- Ocean energy: This energy source utilizes the power of ocean currents or waves to generate electricity.
- Bioenergy: This energy source uses organic matter from plants or animals to generate electricity, fuel, or heat.
- Hydrogen fuel cells: These cells produce electricity through a chemical reaction between hydrogen and oxygen, emitting only water vapor.
