I have tried on numerous occasions to get a cheaper off peak than the one I’m on with EDF 37.76 day time 21.76 12 midnight until 7am but they say ALL previous deals are closed but they will notify me when reopened
Paying almost 35p on a day time tariff is a little cheaper than the going rate, I don’t regard 22p on a so called off peak cheap tariff, that cheap to be honest !.
I would be having a chat with octopus

and opting for 4 to 5 hour cheaper rate.
I almost switched to Octopus

before my current supplier ( EDF ) offered me a two year fix at 39p day rate and 4.5p on off peak.
It was a gamble at the time, because it was higher than the gong rate, at that time.
Glad I grabbed it now

.