Message on my phone: "We wanted to let you know the price of your plan is changing".

Oh is it? What's happening, then? Will I be getting some kind of loyalty discount? Is it 'changing' in some way that is beneficial to me?

Oh it's *rising*. Of course it bloody is. Any reason for that apart from "we decided to do it"? No? Any apology at all? No?

'Changing'. Don't be so damn coy about it. Just state outright 'it's going up, again' FFS.

@llamasoft_ox we're *adjusting* your payment plan.

Translation:
'We see you've turned your heating down a couple of degrees, so to protect our shareholders from unexpected reductions in profits we have put your unit cost up a bit, but to really ensure you don't weasel out of it by reducing the temperature even further we've also doubled your standing charge you devious pleb; we'll get our bit, don't you worry! The Gas Board'