The RTS, which has operated since the 1980s through BBC Radio 4's longwave signal, will switch ... meters changed as soon as possible. It's important not to wait until the deadline." Smart meters ...

It means many households who have resisted getting a smart meter installed will be left with little choice but to switch. An Ofgem spokesman said: “Smart meters are the best replacement for RTS ...

Alistair Carmichael, the Scottish Liberal Democrat MP for Orkney and Shetland, said: “A number of extensions have been made to the deadline, but that switch ... to modern smart meters before ...