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January 4, 2024
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New Home with THTC - how can I get support dealing with changing the meter and tariff?

  • January 4, 2024
  • 22 replies
  • 1808 views

We have just bought a new home in the Highlands and it has THTC supplied by OVO ( previously SSE I believe). For some reason that I don't  fully understand it has 3 meters. One standard and two for the THTC.

When I contacted OVO to set up my account they were adamant that there was only the standard meter and could only offer me a standard tariff with one rate. So no benefit for the storage heating etc wired up to the THTC.

When I signed in to my account it is showing 2 meters the standard and one of the THTC one but all still on the same tariff.

I checked with the previous owner and he supplied OVO with 3 meter readings when he left. He also said that OVO were due to change the meters but had failed to make an appointment.

My questions are

1. How do I get OVO to acknowledge there is a third meter here?

2. Shouldn't OVO be offering a tariff for the HTHC set up.

3. Can I switch to another supplier with the current set up to get a suitable tariff?

4 How do I progress the meter changes and will this allow me access to other tariffs and suppliers?

Thanks for any help

    Best answer by Emmanuelle_OVO

    Updated on 11/07/25 by Chris_OVO:

     

    Update on RTS shutdown:

     

    As part of the RTS Project development, we are really happy to share with you our progress:

     

    As you may be aware, the RTS signal that instructs some of our meters when to move to the “Off Peak Period”  will be closing down soon and we need to arrange for all of our RTS customers to have a meter exchange so they don’t lose any of their meter functionality.

     

    The RTS signal will end for our customers on 30 June 2025. The period between 1 July - 30 September 2025 will then be used to close-down the RTS signal and allow us to manage any unexpected customers impacted.

     

    After a very successful pilot, from the 17th June 2024 we will begin writing to our Economy 10 RTS customers to invite them to call us to arrange for their meter exchange. 

     

    We are continuing to work at pace to enable the same solution for the majority of our other RTS customers and our aim is to begin writing to these customers in Aug 2024. 

     

    We will continue to update you on our progress.

    Hey @Walphelps,

     

    I’m afraid this is one for the Support Team, I can provide some advice though.

     

    How do I get OVO to acknowledge there is a third meter here?

     

    It may be that there are two separate accounts, if you provide each of the meter serial numbers they should be able to identify the supplies and ensure they are all on the same account. 

     

    OVO is working on a solution for replacing THTC meters but this is not in place yet, the support team will let you know if they can offer a meter exchange at this point. 

     

    This similar topics may have some helpful advice: 

     

     

    Hi @Walphelps ,

    OVO is basically the only THTC capable supplier so switching away is basically impossible - I’d recommend against doing so anyway as most suppliers won’t touch your setup. Bear with me and I’ll ask the Forum Moderators to stop by.

    22 replies

    Blastoise186
    Super User
    Super User
    January 4, 2024

    Hi @Walphelps ,

    OVO is basically the only THTC capable supplier so switching away is basically impossible - I’d recommend against doing so anyway as most suppliers won’t touch your setup. Bear with me and I’ll ask the Forum Moderators to stop by.

    Securing energy by zapping security bugs... For that is The Blastoise Way! Remember, I'm just like you - AI Powered Evil Geniuses aren't Staff!
    Emmanuelle_OVO
    Retired Moderator
    Emmanuelle_OVOBest Answer
    Retired Moderator
    January 5, 2024

    Updated on 11/07/25 by Chris_OVO:

     

    Update on RTS shutdown:

     

    As part of the RTS Project development, we are really happy to share with you our progress:

     

    As you may be aware, the RTS signal that instructs some of our meters when to move to the “Off Peak Period”  will be closing down soon and we need to arrange for all of our RTS customers to have a meter exchange so they don’t lose any of their meter functionality.

     

    The RTS signal will end for our customers on 30 June 2025. The period between 1 July - 30 September 2025 will then be used to close-down the RTS signal and allow us to manage any unexpected customers impacted.

     

    After a very successful pilot, from the 17th June 2024 we will begin writing to our Economy 10 RTS customers to invite them to call us to arrange for their meter exchange. 

     

    We are continuing to work at pace to enable the same solution for the majority of our other RTS customers and our aim is to begin writing to these customers in Aug 2024. 

     

    We will continue to update you on our progress.

    Hey @Walphelps,

     

    I’m afraid this is one for the Support Team, I can provide some advice though.

     

    How do I get OVO to acknowledge there is a third meter here?

     

    It may be that there are two separate accounts, if you provide each of the meter serial numbers they should be able to identify the supplies and ensure they are all on the same account. 

     

    OVO is working on a solution for replacing THTC meters but this is not in place yet, the support team will let you know if they can offer a meter exchange at this point. 

     

    This similar topics may have some helpful advice: 

     

     

    Hi @Walphelps ,

    OVO is basically the only THTC capable supplier so switching away is basically impossible - I’d recommend against doing so anyway as most suppliers won’t touch your setup. Bear with me and I’ll ask the Forum Moderators to stop by.

    Renewable Energy? Big Fan.
    WalphelpsAuthor
    Rank 1
    January 11, 2024

    Thank you for the feedback.

    Unfortunately I have struggled with the support they don't appear to know what THTC is and have to put me on hold while they talk to someone else.

    Is there someone who deals with THTC that I can contact at OVO?

    Blastoise186
    Super User
    Super User
    January 11, 2024

    The latest news is that OVO will contact you when they’re ready to replace the current meters. That’s probably going to be the easiest solution to this one.

    Securing energy by zapping security bugs... For that is The Blastoise Way! Remember, I'm just like you - AI Powered Evil Geniuses aren't Staff!
    Jeffus
    Rank 20
    Rank 20
    January 11, 2024

    Thank you for the feedback.

    Unfortunately I have struggled with the support they don't appear to know what THTC is and have to put me on hold while they talk to someone else.

    Is there someone who deals with THTC that I can contact at OVO?

    Hi @Walphelps 

    As you have found the triage support process for complex meter setups with OVO is poor, although OVO are not alone. There are many examples on the forum unfortunately.

    I think you would will be lucky to get a resolution via that route.

    You could just sit back and wait for ovo to contact you, but it sounds like your account is already complicated... OVO have been telling customers a way forward will be revealed in Spring, unfortunately this date has changed several times.

    Also OVO are currently the second worst supplier for the number of smart meter installations in the last ofgem annual stats and got the second highest fine from the regulator, so it may take a long time for all the THTC meter setups to be sorted.

    Personally I would log an official complaint, include as much detailed information as possible including pictures, old bills etc and tell ovo exactly what you want to happen.

    https://www.ovoenergy.com/feedback

    Then after 8 weeks or a deadlock letter you can ask the Ombudsman for help if things are not sorted.

    https://www.energyombudsman.org/

    This isn’t the same situation but an example of someone with a THTC meter getting their issue sorted and compensation for not being on a suitable tarrif in a timely manner. It seems reasonable that the Ombudsman will rule in your favour if it gets that far although your situation is different. Hopefully it won't as ovo are trying to reduce the number of escalated complaints which is currently the highest in the country.

    https://www.homeenergyscotland.org/switching-restricted-thtc-single-meter-electric/

     

    You can also post a review on Trustpilot if you like

    https://uk.trustpilot.com/review/www.ovoenergy.com

    Newcomer
    January 11, 2024

    Moving to a new supplier at this point may be more trouble than its worth. I have a two meter THTC set up and, like others in my area, joined Octopus a couple of years ago as their tariffs were much cheaper than SSE (now OVO) I’ve had no problem with their billings and its easy to get through to them. However, they seem to know next to nothing about THTC and have been useless at giving me advice on what to do post RTS shutdown. They also told me that the THTC meter is still the property of SSE (presumably now OVO) and that their engineers could not touch it. 

    WalphelpsAuthor
    Rank 1
    January 11, 2024

    Hi @Jeffus 

    Thank you for the fuller picture of what is happening and the advice on the way forward. I was already considering that a complaint might be my next best step so I'll try that next.

    Jeffus
    Rank 20
    Rank 20
    January 11, 2024

    Hi @Jeffus 

    Thank you for the fuller picture of what is happening and the advice on the way forward. I was already considering that a complaint might be my next best step so I'll try that next.

    It may not speed anything up, but apart from sitting back and waiting there isn't another option I think.

    To be fair to ovo, I am sure it isn't easy finding a solution that works for all the setups unfortunately.

    It won't be quick, but I hope you make progress.

    Blastoise186
    Super User
    Super User
    January 12, 2024

    To be honest… I think you’re going to have to switch back to either OVO or a supplier that fully supports THTC in order to get this fixed - and there’s barely any that do. Octopus has shown no interest in THTC support and to be brutally honest, they should never have taken you on if they weren’t willing nor capable of supporting you. Black mark for Octopus there. Sorry, but it just is.

    AFAIK OVO isn’t responsible at all for your meters if you switch away and cannot touch them whilst you’re with another supplier.

    Securing energy by zapping security bugs... For that is The Blastoise Way! Remember, I'm just like you - AI Powered Evil Geniuses aren't Staff!
    Jeffus
    Rank 20
    Rank 20
    January 12, 2024

    Just FYI

    These are the latest stats on the number of the wider RTS meters overall left by supplier, the majority of which are domestic.

    950,000 to remove at the last count

    The top 14 currently according to Elexon from the meter database by MPID are:

    Scottish Power  SPOW

    OVO OVOE

    EON EOND

    Octopus  MRCY

    British Gas TILL

    Bulb REGE (now part of Octopus)

    EDF LOND

    EDF EDFE

    British Gas BGAS

    Shell FRST

    EDF SEEB

    SSE plc IMPO

    So Energy GESL

    British Gas ENRD

    You would need to take a closer look at all the others in the graph to see which MPID are basically the same supplier. For example Octopus takeover of Bulb. This may change the top suppliers.

    I was surprised how many RTS meters Octopus/Bulb had to migrate at some stage from a quick look. I expected the RTS meters to be concentrated in the legacy suppliers