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smart meters: questions to ask?

DavidMartin
My electronics does not quite extend to domestic power systems so would appreciate advice: 


We have a 4kW PV installation (which works well), but I understand some smart meters are incompatible with PV installations.  Partly for that reason I have prevented installation, so far.

I also understand that smart meter standards are still settling and not all meters being installed are guaranteed to work for the forseeable future, through changes in suppliers, etc.

There also seem to be issues around safely and future maintenance of some smart meter systems.


So ... can the team suggest questions I should ask to reduce the risk of a 'bad' smart meter installation ?


Thanks.
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    John Peckham:

    . . . Has anyone on the forum seen a 5 hole smart meter?




    They do exist in manufacturers catalogues, but come at the expense of the internal contractor that switches the supply. As the contractor allows changes between credit and pre-payment meter, none of the UK suppliers want them (I believe there is insufficient space to be able to accommodate the tariff contractor as well).  The answer is in the HAN interfaces that Andy mentioned. There will be a HAN connected contractor which will switch with the tariff. At the moment, you will probably need to use a good quality time clock, as the HAN interfaces may not be immediately available. 


    Regards,


    Alan. 

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  • 0

    John Peckham:

    . . . Has anyone on the forum seen a 5 hole smart meter?




    They do exist in manufacturers catalogues, but come at the expense of the internal contractor that switches the supply. As the contractor allows changes between credit and pre-payment meter, none of the UK suppliers want them (I believe there is insufficient space to be able to accommodate the tariff contractor as well).  The answer is in the HAN interfaces that Andy mentioned. There will be a HAN connected contractor which will switch with the tariff. At the moment, you will probably need to use a good quality time clock, as the HAN interfaces may not be immediately available. 


    Regards,


    Alan. 

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