LEGRAND EcoCompteur => LINKY Teleinfo + 5 coils for Power Consumption measurement

You can have a look about the code of @maxtone66 who has integrated the EcoCompteur on HA.

His code :
https://community.home-assistant.io/t/how-to-decode-special-json-ex-conso-hc-006699756/253018/35?u=neuvidor

His final Lovelace view
https://community.home-assistant.io/t/how-to-decode-special-json-ex-conso-hc-006699756/253018/39?u=neuvidor