Horrible company on all fronts, and if you have them as your current supplier switch as soon as you can. I got Buckingham Palace bills for a garden shed. None of their billing is correct as they apply variables on different aspects which ensures you really don't know how they calculate your bills. If you have them estimate you're usage I can guarantee they will send you very low bills until you send them and actual meter reading and then your world will be turned upside down. This company is set up to steal and then fail. This company is criminal and Karma will kick in.