Source: rediff

TWh stands for terawatt hour. A kilowatt-hour (kWh) is a unit of energy equal to one thousand watts of power spent for one hour of time. A terawatt hour is a unit of energy equal to one trillion watts of power spent for one hour of time. It expresses annual electricity generation for countries.

 

Coal: 2,759 TWh

Hydro: 585 TWh

Gas: 43 TWh

Oil: 24 TWh

Nuclear: 68 TWh

Wind: 13 TWh

Biomass: 2 TWh

Geothermal: 0 TWh

Solar: 0 TWh