CH
They obviously could physically do it, but I think it's more that they've done quite a bit of hype surrounding 1pm tomorrow, which could easily be changed in the case of breaking news. Not a major issue but would be interesting nevertheless.
It's not as if the power's going to be cut of to TV Centre at bang on 13:00. I'm sure there's a provision for them to keep broadcasting from there should the need arise.
They obviously could physically do it, but I think it's more that they've done quite a bit of hype surrounding 1pm tomorrow, which could easily be changed in the case of breaking news. Not a major issue but would be interesting nevertheless.