~= 293297 GWh 222 MWh 222 kWh 222 Wh 1/4 Wh
1 quad = 293297.22222222 GWh
1 GWh = 3.4095106405145E-6 quad
https://www.unitjuggler.com/convertir-energy-de-quad-en-GWh.html