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Follow up question: quote for connection and local supply issue

Thanks for the fantastic replies I had to my previous question, helping me to understand the supply locally and enabling me to successfully push back on the quote/plan provided. 


I now have one further query.



WPD say that if they were upgrading the local network they would overlay the current 95mm wcon cable with a 185mm wcon cable, but that this alone would not be sufficient to allow for my property to be connected to the local network. Instead, they said that for me to be connected, a 300mm wcon cable needs to be laid, and they want me to fund the difference between the 185 cable and the 300 cable. 


As they were less than scrupulously transparent in their previous quote, I would like to check if anybody has any thoughts on the veracity of this? Why would upgrading to a 185mm cable not allow sufficient capacity to add my supply? Why would they not, if doing an upgrade and presumably incurring significant cost, simply upgrade to future proof the local supply with a 300mm2 cable?


I'm particularly concerned that what they have said about replacing the 95mm2 cable with a 185mm2 cable (that this would not be sufficient to connect me to the supply) is untrue.

Plan of existing supply.pdf
Updated plan for new supply.png
Parents
  • Quick update on this - I asked WPD the following questions and received the answers below:

     
    1. What are your assumptions about the power requirements for my property?
    We would quote your property at 15 Kw which is our box standard supply for a house. As regards to what your load is going to be I would not know that.


     


    2. What are the loadings on the existing cable?  
    188.5A


     


    3. When you overlay the 185mm2 cable, why not use the existing 95mm2 cable for my supply directly (given that it will be in situ and no longer needed)?
    Overlaying with a 185mm cable and using the old 95mm cable as your service cable is still causing a problem, to alleviate this the cable needs to go to a 300mm one.


    4/Just for information, all new services into properties will be 3 phase, this will be WPD’s minimum cable as from last week, you can still have a single phase meter of it.

     


    I’m not sure what this means for my enquiry about why I am being asked to fund the upgraded (300mm2) cable - and there is a paucity of explanation as to why the existing cable can’t be used for my property. I am wondering whether to speak to the WPD chap on the phone (as he has tried calling me a few times) but I don’t really know what I need to know, or what the information he is giving me means. I just know what I am a little dubious having had them try to fleece me in the first place.



    Any assistance with understanding this would be most appreciated.



    Cheers

    Morgan


Reply
  • Quick update on this - I asked WPD the following questions and received the answers below:

     
    1. What are your assumptions about the power requirements for my property?
    We would quote your property at 15 Kw which is our box standard supply for a house. As regards to what your load is going to be I would not know that.


     


    2. What are the loadings on the existing cable?  
    188.5A


     


    3. When you overlay the 185mm2 cable, why not use the existing 95mm2 cable for my supply directly (given that it will be in situ and no longer needed)?
    Overlaying with a 185mm cable and using the old 95mm cable as your service cable is still causing a problem, to alleviate this the cable needs to go to a 300mm one.


    4/Just for information, all new services into properties will be 3 phase, this will be WPD’s minimum cable as from last week, you can still have a single phase meter of it.

     


    I’m not sure what this means for my enquiry about why I am being asked to fund the upgraded (300mm2) cable - and there is a paucity of explanation as to why the existing cable can’t be used for my property. I am wondering whether to speak to the WPD chap on the phone (as he has tried calling me a few times) but I don’t really know what I need to know, or what the information he is giving me means. I just know what I am a little dubious having had them try to fleece me in the first place.



    Any assistance with understanding this would be most appreciated.



    Cheers

    Morgan


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