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EVSE questions

A major player in the EVSE market has kindly consented to provide some technical training for the electrical installation tutors at a training centre where I often tutor part-time. I imagine it is not entirely motivated by altruistic considerations but at least it gives an opportunity for the tutors and myself to get some kind of grasp on the various products on offer and where this particular manufacturer sees the direction of travel for EVSE. I am already aware that the company is moving away from products that rely on the installation of earth electrodes in PME situations and are placing considerable focus on load management. Is there any particular question that you would ask them given the opportunity?
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  • Simon Barker:

    3. Give it a few years.  Batteries keep coming down in price.  But there's still a shortage of them.  It's already the case that if you look at the total running cost over the lifetime of the vehicle, then EVs are cheaper.  But the up-front cost of buying one is still high.


    The lifetime cost is entirely dependent upon doing a fairly high mileage because taxation on the fuel is very much lower. The sums certainly don't work for me.


    Back to the OP. Please ask whether there should be a move towards 3-phase domestic supplies on the basis that (1) it may be easier to deal with a lost neutral and (2) more powerful charging would be available.


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  • Simon Barker:

    3. Give it a few years.  Batteries keep coming down in price.  But there's still a shortage of them.  It's already the case that if you look at the total running cost over the lifetime of the vehicle, then EVs are cheaper.  But the up-front cost of buying one is still high.


    The lifetime cost is entirely dependent upon doing a fairly high mileage because taxation on the fuel is very much lower. The sums certainly don't work for me.


    Back to the OP. Please ask whether there should be a move towards 3-phase domestic supplies on the basis that (1) it may be easier to deal with a lost neutral and (2) more powerful charging would be available.


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