The relative share of transmission and distribution costs, as well as the absolute levels, vary greatly across Member States, for reasons that are not always easy to understand; data on the drivers of these shares and their evolution is scarce, in particular for gas.
La part relative des coûts de transport et de distribution, ainsi que les niveaux absolus, varient énormément d'un État membre à l'autre, pour des raisons qui ne sont pas toujours faciles à comprendre.