Be Excellent To Each Other

Hmm, interesting. Only £25 to get involved too, although I suspect that's borderline to being a waste of time.

Yep, you’ll double your money over 20-25 years, but that’s irrelevant on the price of a large takeaway.
The interesting thing is that all of their figures are based on 2020 forecasts. With electricity prices having doubled, the payback is going to be a hell of a lot faster.