I'm with Utility Warehouse on their dual rate EV Tariff - I want to switch to OVO but OVO are telling me I have a multi-rate meter?

Is there any way I can move forward with a switch without reverting to expensive single rate tariff first?

I’m with another supplier on their EV tariff. When I try to switch to ovo, the ovo website recognizes my current supply as a “Smart Meter - 2 Rate Multi Rate” and says sorry, we can’t quote you right now (I think this 2 rate is my EV off peak pricing, it’s definitely not economy 7 which is what that name sounds like to me!).

I tried my next door neighbours address (regular smart meter) and it’ll happily quote me so the problem is the 2 rate thing. I tried phoning ovo customer support a couple of times but they say the same as the website - we can’t switch you currently.

I can revert to a regular single rate tariff with my current supplier, and although I’ll start paying more to charge my EV immediately, it’ll take a month to update the MPAS database to change my supply type back to regular smart meter. That’ll cost me around £60 extra for the month due to charging at peak rates, assuming everything goes on time.

My current supplier swears up and down that ovo should be able to switch me directly from my current tariff, they are adamant that I do not need to revert to a single rate tariff and that customers switch all the time and it’s against the energy supply rules to block my switch. I don’t think I’m being blocked as such, it’s just that the ovo computer setup doesn’t seem to have a rule for my case. As I say I’ve spoken to ovo a couple of times on the phone but no luck as yet.

Is there any way I can move forward with a switch without reverting to expensive single rate tariff first?