EDF incorrect charging at midnight

Is anyone else being charged at the wrong rate for the first hour past midnight on EDF?

Both my EDF supplied smart meter screen and bright app are showing I'm being charged the higher rate between midnight and 1am and then drops down past 1am. It's as if they don't take into account daylight saving hours.


  • Quite happy to see someone from same supplier we have also on peak/offpeak tarriff. I have tried SmartThings/Loop/Geo Hub monitor with LED sensor and their GEO Home App and now starting with Bright App. NONE of these can handle properly tariffs. I think Home App is the closest. Even EDF Smart Hub stopped working. Unbelievable, 2022! I am looking into RPI with LDR sensor and a bloody sql db!!!

  • edited May 2022

    Maybe it's a recent change, but I notice that EDF specifies "GMT" on their website for the GoElectric night time rates:

    "Our lowest off-peak rate overnight is from 12 am to 5 am GMT every day.", https://www.edfenergy.com/electric-cars/tariffs

    So, that's off-peak from 1am during UK summer time - which caught me out!

    It would be nice if usage at the discounted rate was highlighted somehow :)

    It's great to have the minute level data though, which makes it very clear when scheduled charging has been running 😅

  • Just checking something - This might be explained by the daily service charge being added at midnight. My British Gas smart meter jumps 48p at midnight each day. Apologies if you have already considered this.

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