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Maximum size of solar panels

I was just wondering if it's still the case that solar panel installations are rated to  16 amps  single phase does this apply to all single phase generators on domestic installations
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  • Dreckly:

    . . . That was never really ever the case. The Feed in tariff was less for systems over 4kW which equated to 16A and you need to ask the DNO if you want to connect more than 16A on single phase. . . 




    Actually, that has always been the case. The standard “off the shelf” solar systems, wind turbines etc were made to G.83 (now G.98) and were limited to a maximum installed capacity of 16A per phase per property. You may be able to install more, but that would usually by down to a network study by the DNO and full compliance with G.99, which is a lot more onerous (and expensive), and may often need bespoke servings calculating and testing. 


    Regards,


    Alan. 

Reply

  • Dreckly:

    . . . That was never really ever the case. The Feed in tariff was less for systems over 4kW which equated to 16A and you need to ask the DNO if you want to connect more than 16A on single phase. . . 




    Actually, that has always been the case. The standard “off the shelf” solar systems, wind turbines etc were made to G.83 (now G.98) and were limited to a maximum installed capacity of 16A per phase per property. You may be able to install more, but that would usually by down to a network study by the DNO and full compliance with G.99, which is a lot more onerous (and expensive), and may often need bespoke servings calculating and testing. 


    Regards,


    Alan. 

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