Can OVO take over my Green Deal account?
Best answer by Solarpayz
From your link:
“Can I still switch energy providers with the Green Deal?
Yes, but only to energy suppliers that participate in the Green Deal programme. Your Green Deal is transferable between those suppliers as it is a fixed amount.”
So, I searched to see if Ovo ever offered the Green Deal.
From this search it seems that Ovo participated in the pre-Green Deal negotiations:
...but I can find no evidence that Ovo took it any further.