We regularly see similar posts, i haven't checked the frequency personally.
https://forum.ovoenergy.com/my-account-140
A significant amount of frustration with many posters is often related to just how difficult it can be to contact OVO via phone and online chat.
These appear to be very genuine and not isolated incidents whatever OVOs own stats may potentially be saying.
Although OVO have stopped email communication to try and help, this has then further complicated matters, although i am not suggesting they should be introduced.
I thought improving capacity should be logged as an idea given the amount of times this comes up as an issue on the Forum.