Octopus tracker, the tariff that follows wholesale prices, is being opened again from July. To get on it you need smart meters, to be on Octopus energy already and join their waitlist. Switch now for an additional £50 credit and the chance to get 50% lower bills. The wholesale energy prices change daily but as worked out always cheaper then current cap bar 2 days, and is now consistently better than 50% cheaper, so when the new cap comes in, it is still well cheaper to be on this tariff!
So use this link to join: My ref link
Join the waitlist: https://octopus.energy/smart/tracker/
Enjoy cheaper energy! See for yourself here