You might have to choose a tariff and add on IOG https://octopus.energy/smart/intelligent-octopus-go/
I think you are correct Kezo, i was looking in the phone app and you dont get full info
I tried Chatgpt, and they said Octopus would move me on to flexible, and then have the choice of to Intelligent Octopus Go.
Strangely the phone app says current rate is 3.49p. cant be right.
Maybe its Octopus way of making sure there is still an EV in use. Although the smart meter should tell them that anyway.
Just gonna leave it and let it run down an see what happens.
Dunno why they do that, suggesting there are only 2 options. Clear as mud.