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Cart before the horse? (EV charging)

AncientMariner

Am looking at replacing our 1999 diesel engined car ideally with an EV.

Would obviously want to charge with a 7 kW unit so the question is would our existing Grey Series 7 II b cutout with an 80A fuse fitted be capable of 7 kW or only 3.6 kW. 

So before I even look at a car, I really need to know.  Emailed SP Energy Systems “Getting Connected” and get the reply, “Please be advised that when your installer submits the notification form for the charger, the property will be surveyed and anything required will be carried out as part of that.”  Ok then, I buy the car and then find out that I can only charge at the 3.6kW rate. I could of course have a charging point fitted first, but then would not be able to claim any subsidy or dealer offer.

Clive

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    Thanks Mike. I think too that the way to go is to get a Charge Point installed or at least approved ASAP.  I have located the appropriate form for the DNO on the Energy Networks website:-

    www.energynetworks.org/assets/images/Resource%20library/Single-Electric-Vehicle-Charge-Point-and-Heat-Pump-Installation-Application-Form.doc The form being:-

     www.energynetworks.org/assets/images/Resource%20library/Single-Electric-Vehicle-Charge-Point-and-Heat-Pump-Installation-Application-Form.doc 

    The area which confuses me slightly is they ask in Section C - Electricity Supply Details for the Max Demand of the Premises and also the Supply Capacity confirmed by the DNO and in E - Equipment to be installed, they ask for Maximum Current Demand of proposed equipment.

    And then on page 1 Maximum Demand is defined as the existing MD plus the new equipment, stating it separately would make more sense? Having EV Charge Points, Heat Pumps and Vehicle-to-Grid all on the same form does not help.

    A quick totting up of our existing appliances (with no diversity) puts me at just over 90A we have an 80 A fuse in the 100A rated cut-out.  In normal day to day usage, I don't think that we would never get to 90A unless I tried hard!

    But that seems to be the figure they want to work with, plus of course the 7 kW of the Charge Point.

    Clive

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  • 0

    Thanks Mike. I think too that the way to go is to get a Charge Point installed or at least approved ASAP.  I have located the appropriate form for the DNO on the Energy Networks website:-

    www.energynetworks.org/assets/images/Resource%20library/Single-Electric-Vehicle-Charge-Point-and-Heat-Pump-Installation-Application-Form.doc The form being:-

     www.energynetworks.org/assets/images/Resource%20library/Single-Electric-Vehicle-Charge-Point-and-Heat-Pump-Installation-Application-Form.doc 

    The area which confuses me slightly is they ask in Section C - Electricity Supply Details for the Max Demand of the Premises and also the Supply Capacity confirmed by the DNO and in E - Equipment to be installed, they ask for Maximum Current Demand of proposed equipment.

    And then on page 1 Maximum Demand is defined as the existing MD plus the new equipment, stating it separately would make more sense? Having EV Charge Points, Heat Pumps and Vehicle-to-Grid all on the same form does not help.

    A quick totting up of our existing appliances (with no diversity) puts me at just over 90A we have an 80 A fuse in the 100A rated cut-out.  In normal day to day usage, I don't think that we would never get to 90A unless I tried hard!

    But that seems to be the figure they want to work with, plus of course the 7 kW of the Charge Point.

    Clive

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