Tonne of Oil Equivalent
A unit of energy equal to 41.868 GJ
The conversion from TOE to Joules varies, however, the IEA/OECD define it as:
1 tonne of oil equivalent = 41.868 GJ or 11.630 MWh
4.Organization for Economic Co-operation and Development, International Energy Agency, Energy Balances of OECD Countries 1992-1993 (Paris: OECD, 1995).