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.

 

Africa

Coal: 260 TWh

Hydro: 95 TWh

Gas: 176 TWh

Oil: 74 TWh

Nuclear: 13 TWh

Wind: 1 TWh

Biomass: 1 TWh

Geothermal: 1 TWh

Solar: 0 TWh