1. General principles for master plans

Drawing up master plans is a relatively major task, but one that is necessary to obtain a realistic vision of the development of MV distribution facilities (source substations and MV networks). It is structured by the various stages listed below:

• inventory of existing MV facilities (source substations and MV networks) ;

• consumption and power forecasts, possibly including power injected by decentralized generation ;

• establishment of the long-term target for source substations and MV networks (note that the construction principles ultimately lead to a single target, see §