I'd be carefull about giving EDF any jip, they can always "make the installation safe" buy pulling your mainfuse and asking you to have your installation certified before reinstating power.
And besides, 3PM onwards is the ideal time (for you!) to have your heating on load/ cook the dinner/run the washing machine/fire up the plasma telly/etc etc, not your fault if the leccy boards equipment is giving you cheap rate at the wrong time...
And besides, 3PM onwards is the ideal time (for you!) to have your heating on load/ cook the dinner/run the washing machine/fire up the plasma telly/etc etc, not your fault if the leccy boards equipment is giving you cheap rate at the wrong time...