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Martin2024
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July 26, 2024
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200 amp single phase smart meter, can OVO do this?

  • July 26, 2024
  • 24 replies
  • 760 views

We have a single phase 200 amp supply, which supplies several, all electric, holiday let cottages in Snowdonia.

Our current supplier (and previous supplier too) wouldn’t listen to me and when they came to install our smart meter, sent out a normal engineer with a simple 100A meter.

The first supplier said they couldn’t help us so we moved to Octopus, who after their failed installation have now given us the run around for the past 5 months. They tell me that they can install a 200A smart CT meter, that will give us access to the agile tariffs that we’re after, but that an external company has to do this (SMS) and that they have no free appointments in our area for the foreseeable future!

If we moved to OVO would they be able to install us a 200A CT smart meter? I have read other informative threads on this forum, but they refer to polyphase or 3 phase supplies.

Thanks in advance

 

 

Best answer by Lukepeniket_OVO

Updated on 06/11/25 by Abby_OVO

Just reading up elsewhere about others who have done this (split a single feed), one of the main hurdles is to make sure that one of the feeds cannot back feed to the other but if the single incomer is split correctly and then the 100A fuses are in place, it should be easy to use a breaker going into the separate meters and then to the distribution boards. 
Your solar and batteries might need a bit more thought to ensure isolation. 

^ obviously it will be necessary to check this out with a professional. Your DNO will probably need to be involved for the split and fusing

 

Hello all,

This i believe will be the only way, downrating from CT 200A supply to multiple single phase supplies. The kVa might be enough that you could get multiple 100A single phase supplies from that cutout but only the DNO would be able to do this. Snowdon area I know I have a 3 phase engineer up that way who covers that whole area. 

Good luck OP!

 

The following topic may also be helpful:

 

24 replies

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Blastoise186
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Blastoise186Super User
Super User
July 29, 2024

Thanks as always Luke! Much appreciated.

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    Martin2024Author
    Rank 2
    July 30, 2024

    thanks everyone for the advice. Much appreciated. When you say only the DNO can help, does that mean I would have to contact them directly to get a quote for the work. Like i did when we had the new supply installed?  or would I have to go through my current supplier?

      BPLightlog
      Super User
      BPLightlogSuper User
      Super User
      July 30, 2024

      thanks everyone for the advice. Much appreciated. When you say only the DNO can help, does that mean I would have to contact them directly to get a quote for the work. Like i did when we had the new supply installed?  or would I have to go through my current supplier?

      You should contact them directly and explain your situation and requests. That part of the installation is the responsibility of your DNO rather than your supplier

      Bring me Sunshine ~ E&E {Solar PV, Battery Storage, Hybrid EV, ASHP and Home Assistant automation}
        Emmanuelle_OVO
        Retired Moderator
        Emmanuelle_OVO
        Retired Moderator
        July 31, 2024

        Hey @Martin2024,

         

        This topic may be helpful to you:

         

         

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