Always contact support@theAA.flippercommunity.com or ring 020 800 483 15 first.
It's important that we know what's going on with your energy accounts, to make sure we can switch you properly. If we can, we'll always try to resolve any issues you might have on your behalf.
If we can't sort things out for you, we can give you advice on how best to solve things. If you're happy to set us up with named authority on your energy accounts, we always can act directly on your behalf.