4 - Total net imports include combustible renewables and waste. 5 - Total supply of electricity represents net trade. A negative number indicates that exports are greater than imports. 8 - Includes residential, commercial, public service and agricultural sectors. 9 - Inputs to electricity generation include inputs to electricity, CHP and heat plants.
Output refers only to electricity generation.
10 - Losses arising in the production of electricity and heat at public utilities and autoproducers. 12 - Toe per thousand US dollars at 1990 prices and exchange rates. 13 - Toe per person. Emissions from the combustion of biomass-derived fuels are not included, in accordance with the IPCC greenhouse gas inventory methodology. TPES, by definition, excludes international marine bunkers.