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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
  • Former Community Member
    0 Former Community Member
    Morgan.

    The DNO is required to provide a supply within certain voltage limits. It might be that the user at the end of the line could be receiving a supply outside these parameters (typically undervoltage). If this is the case, the DNO would be required to remedy the situation. It could be that a commercial user is exceeding their Authorised Supply Capacity (ASC) causing a voltage drop but it may just be the quantity of domestic users connected to what appears to be a cable installed for less (fewer, I can never remember!) connections.

    Perhaps a word with a few neighbours at the far end to see if they are experiencing "flicker". A very simple test is to use a 13 A plug in energy monitor (used to be £10 from Maplins) and read the voltage and then plug in a kettle and see what it drops to.

    Or, get someone with a load recorder and pay for a week's monitoring and if outside parameters, bring this to the attention of the DNO for them to repeat the monitoring and see what they say?!!!!

    Regards

    BOD

    PS Hopefully a helpful and constructive post................
Reply
  • Former Community Member
    0 Former Community Member
    Morgan.

    The DNO is required to provide a supply within certain voltage limits. It might be that the user at the end of the line could be receiving a supply outside these parameters (typically undervoltage). If this is the case, the DNO would be required to remedy the situation. It could be that a commercial user is exceeding their Authorised Supply Capacity (ASC) causing a voltage drop but it may just be the quantity of domestic users connected to what appears to be a cable installed for less (fewer, I can never remember!) connections.

    Perhaps a word with a few neighbours at the far end to see if they are experiencing "flicker". A very simple test is to use a 13 A plug in energy monitor (used to be £10 from Maplins) and read the voltage and then plug in a kettle and see what it drops to.

    Or, get someone with a load recorder and pay for a week's monitoring and if outside parameters, bring this to the attention of the DNO for them to repeat the monitoring and see what they say?!!!!

    Regards

    BOD

    PS Hopefully a helpful and constructive post................
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