I received an sms and email last year (2022) inviting me to sign up for the Peak Energy Rewards program which I did straight away. I've just received another email today saying "thanks for saving energy with Peak Energy Rewards this last year" which reminded me that I had signed up to begin with, as I've never received any peak event sms, emails or notifications to take part in! It looks like I'm still registered as it won't let me sign up again on the account page. Is there certain criteria tha ...