Nearly one million UK households are facing a critical deadline to replace their energy meters before a major network shutdown next summer. The Radio Teleswitch Service (RTS), which controls energy tariffs for hundreds of thousands of homes, is set to be deactivated on June 30, 2025. This looming change affects over 800,000 households, many of whom rely on Economy 7 and other multi-rate energy tariffs. These meters, which charge different rates based on the time of day, operate using the RTS signal broadcast alongside BBC Radio 4’s long-wave channel. The consequences of failing to replace thes…