The use of water to create hydro-electricity.
The use of solar energy to create electricity or heat
The battery bank and inverter are the key components to energy storage and conversion to AC power
The use of wind energy to create electricity
Here is a diagram showing some of the most popular renewable energy system power configuations
The use of Wood and/or other biofuels to create bio-gas to generate heat or run combustible engines,
Through education and use of renewable energy