Conversion:
3057.3 kWh (electricity) = 11.00628 gigajoules
8.1 cube meters natural gas = 0.3078 gigajoules (8.1* 0.038)
Total: 11.31408 gigajoules.
Citation: Environmental, social and governance report (ESG): page 38
Sorry for the first comment, I need to edit the unit in thousands:
3,057,300 kWh (electricity) = 11,006.28 gigajoules
8,100 cubic meters (natural gas) = 307.8 gigajoules
Total: 11,314.08 gigajoules