Tons of coal equivalent to kilowatt hours conversion calculator shown above calculates how many kilowatt hours are in 'X' tons of coal equivalent (where 'X' is the number of tons of coal equivalent to convert to kilowatt hours). In order to convert a value from tons of coal equivalent to kilowatt hours (from TCE to kWh) simply type the number of TCE to be converted to kWh and then click on the 'convert' button.