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Edinburghadvisers
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April 21, 2023
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Three Phase AMR for domestic property unable to send half hourly data

  • April 21, 2023
  • 53 replies
  • 1018 views

Hi. I have solar PV, GSHP, two Powerwall batteries and an electric car. Also have 3 phase power as building used to be a small guest house. 

What I need is a smart meter to take advantage of time based tariffs. Currently with Octopus but they have failed. The first smart meter could get no signal due to location. After 12 months I then got an AMR meter with an external aerial. Perfect signal. Octopus now say it can’t provide half hourly readings and in fact I will have to send monthly ones manually. Is this an octopus issue, AMR issue or something else? Help! 

Best answer by Blastoise186

Updated on 14/03/25 by Ben_OVO

OVO can now install three-phase smart meters where possible. You can read more about this here 👇

 

 

 

Hi @Edinburghadvisers ,

Just so everyone else knows, we’ve talked a little bit via PM before migrating the discussion to this thread.

So far, this seems to be a mostly bog standard 3-Phase setup if you ignore the Solar stuff. In theory, it could be supported by Smart Meters but 3-Phase SMETS2 is a bit rare at the moment. OVO is trialling them which means they’re being rolled out in very small numbers, but will slowly ramp up over time.

As for signal… You’re in Scotland so tbh an S2 Smart Meter might be better than AMR due to the Long-Range Radio based Arqiva WAN reaching areas that mobile phone signals can struggle with.

Your setup is supposed to work with domestic suppliers, but I get the feeling someone isn’t playing ball somewhere along the line.

53 replies

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Blastoise186
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Blastoise186Super User
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October 17, 2023

Ah yeah. Gotcha.

The SKU1, SKU2 and SKU3 Comms Hubs in CSP Central and CSP South are compatible because they use the Cellular based Telefonica WAN that runs on the O2 network. However, CSP North runs on the Long-Range Radio based Arqiva WAN and the EDMI Standard 420/Variant 450 isn’t compatible with those aerials.

OVO’s Bristol HQ has a clever workaround of a giant aerial that sucks in the Arqiva WAN and a giant box (well, cabinet!) of tricks in the Smart Meter Lab that rebroadcasts that signal to the meters in the lab. Unfortunately however, that solution is way too expensive and bulky to deploy outside of test labs in its current form. Gets a brilliant signal though.

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    EdinburghadvisersAuthor
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    October 17, 2023

    This is my aerial. If this connects to the radio network why can’t I plug it into a smets2 meter?

     

    Blastoise186
    Super User
    Blastoise186Super User
    Super User
    October 17, 2023

    That aerial is for a different purpose and unfortunately wouldn’t work with the Arqiva WAN.

    The EDMI Standard 420/Variant 450 Comms Hubs also don’t have aerial ports to hook up an external aerial either.

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      NJ001
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      April 29, 2025
      EDMI ATLAS MK10 

      Please can someone assist, I am struggling to find the export meter reading through the menu, I have read the manual, nothing in there about export only import, I have contacted EDMI direct but they haven't responded, I need the reading for our smart export application, any help would be appreciated. 

       

      Ty

      Blastoise186
      Super User
      Blastoise186Super User
      Super User
      April 29, 2025

      Hi ​@NJ001 ,

      In some cases it may show up as being Exp kWh, Export or ExP… But that’s NOT a Smart Meter so you probably need to upgrade to Smart first.

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      NJ001
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      April 29, 2025

      Hi ​@Blastoise186 

       

      Thank you, I will see if them abv are an option.

      The MK10D is advertised as a smart meter.

       

      Blastoise186
      Super User
      Blastoise186Super User
      Super User
      April 29, 2025

      I’m afraid it’s not though - it’s an AMR Meter at best which is not the same as a SMETS1 or SMETS2 Smart Meter. That’s just EDMI’s terrible marketing website.

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      NJ001
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      April 29, 2025

      ​@Blastoise186 Thank you, this would explain a lot !! Do you know if I could get half hourly export meter reading from this or is this only a smart meter feature ? 

       

      Blastoise186
      Super User
      Blastoise186Super User
      Super User
      April 29, 2025

      Nope. Not from that thing I’m afraid IIRC.

      You need either a SMETS2 Smart Meter (SMETS1 are no longer being deployed) or a dedicated Export Meter.

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        NJ001
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        April 29, 2025

        Didn’t think so, that will explain why I cant get these readings. 

        Thank you for your help, greatly appreciated 😀

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