1.wind energy- the energy created through winds using wind mills. windmills are placed where there in sufficient speed of wind.
2.solar energy-the energy created through the sun using solar panels.these panels contain photovoltaic cells .it converts sunlight into electricity.
3.geothermal energy-the energy created with the heat of hot springs and rocks under great depths.
4,tidal energy-energy created through the tides. the rise and fall of sea water turn the turbines to generate electricity.
5.biogas-energy created through the converting of organic waste into gaseous fuel.