Territoire d’Energie Loire

SIEL is an intermunicipal structure that brings together the municipalities and the Loire department, as well as other local authorities in terms of public electricity and gas distribution, energy savings and renewable energies, as well as telecommunications and public lighting infrastructures.

By joining SIEL, local authorities are obliged to transfer some of their competences to SIEL, such as the management of public electricity and gas networks.

SIEL invests around 140 million euros each year and generates 1000 direct jobs.


Territoire d’Energie Loire is a member of Energy Cities since 2019


430 000 Inhabitants