Dreadful service. For ages I resisted having a Smart Meter due to the bad press they’ve received, but eventually was forced into getting one in May 2024 as my chosen tariff wasn’t available unless you had one. Once installed the problems arose from day 1. I have Economy 7 Night storage heaters which I only ever switch on at night to take advantage of the cheaper (Night) rate. But the meter wasn’t registering the night rate at all & when I checked my fixed tariff on the EDF app, the night rate wasn’t even showing. Also, it was also not generating bills for over 6 months. This only came to light at the end of 2024 as I could see the charges on the meter were ridiculously high each day & the app showed I was some £460 + in credit. When I queried the meter display EDF confirmed that the night rate hadn’t been set up when the meter was installed & the £460 + credit was actually less than £200. I too am mystified by the apparently amazing reviews shown on TrustPilot & would advise anyone to treat them with a high degree of scepticism.