The big fiddle is when the electricity companies deliberately confuse the issue by mixing two summers with just one winter one (18 month contract), then loading the future ones with 'projected winter' readings.
As before, they're all out to con you, forget the 'regulator', it's all a fantasy and only there to appease toothless gummint watchdogs!
I'm online for some time at the moment and getting so many quotes, it's a bit silly, but it's our pension, so at the end of the year I can honestly buy Mrs Growster a new hat on the savings!