Hello, When did you last receive a bill? Which meter reading did they use - one of yours, one of their 'official' readings or their own estimate? How long have you been with them and has this been going on since you joined them? I'll give you the heads-up now that in most people's experience, the Energy Ombudsman are as much use as a chocolate teapot - even if they rule in your favour, getting the energy supplier to act on it will take you back to square one. I would be inclined to send them a SAR. It will cost you £10 and a lot of your time in sorting through the masses of paperwork once you get it, but may wel