Tons of oil equivalent to megawatt hours conversion calculator above calculates how many megawatt hours are in 'X' tons of oil equivalent (where 'X' is the number of tons of oil equivalent to convert to megawatt hours). In order to convert a value from tons of oil equivalent to megawatt hours (from TOE to MWh) type the number of TOE to be converted to MWh and then click on the 'convert' button.