The result of your conversion between gigawatt hour and terawatthour appears here
To convert between Gigawatt Hour and Terawatthour you have to do the following:
First divide 3.6e+12 / 3.6e+15 = 0.001
Then multiply the amount of Gigawatt Hour you want to convert to Terawatthour, use the chart below to guide you.
Symbol: GWh
No description
Symbol: TWh
No description