Sum of all energy purchased and produced locally minus energy resold without transformation (example : when there is a chemical platform with several companies and the electricity for another company pass through our Solvay network). For some reporting, we deduce the sales of electricity and steam. Reporting's are prepared with standard units (tons, MWh, liters...) , or converted in equivalent primary energy in TJp to be able to sums different energies. We also convert those data in CO2 emissions scope 1, scope 2, and scope 3.3.