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EVSE

A customer would like a Tesla EVSE 7kW home charger installed. It has no built in load management other than being able to set the maximum current draw(6-32A). I don’t see many domestic installations where the max demand could be kept below 60A, when an EVSE is installed. It seems to me it’s a push for it to be below 100A in many situations. Setting the EVSE max current at less than 32A could mean some very long charge times, more than 8-10 hours for overnight charging. How are installers dealing with this?

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  • It is fair to say that the  DNOs are also wrestling with similar awkward questions.

    UKPN EV and Heat pump loads study.  (try the graphs of possible future load growth figures 34 and 35 for size for example )   and A similar thing from Western power's EV strategy but with less pictures.

    Some of the forecast load increases are really quite dramatic. Either it will not happen quite as predicted or some seriously thicker cables will be needed in the street.

    Mike.

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  • It is fair to say that the  DNOs are also wrestling with similar awkward questions.

    UKPN EV and Heat pump loads study.  (try the graphs of possible future load growth figures 34 and 35 for size for example )   and A similar thing from Western power's EV strategy but with less pictures.

    Some of the forecast load increases are really quite dramatic. Either it will not happen quite as predicted or some seriously thicker cables will be needed in the street.

    Mike.

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