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Excess Solar generation - not grid connected (G-59)

Hi All,


We are working with commercial premises that installed Solar PV in the days of the Feed-in-Tarriff. These sites have excess solar generation being measured through a channel, but there is no export from site (not G-59 connected) and the customer is on a deemed Feed-in-Tariff. From the data, there seems to be a high proportion of "excess" / "export" energy from sites.


Question - if the sites are not consuming the excess energy and thet are not set up for grid export - where is this excess energy going?


Would appreciate your valuable input please.

Thank you!
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  • Aneysha Minocha:



    So to summarise, it seems like the inverters are operating in "Open Loop" mode as the sites are generating excess solar which is not used by the buildings' energy demand. Also the excess solar is being measured through an "export channel" as the buildings do not have a G-59 connection in place.

     


    That doesn't make sense to me.  What is this "export channel", if it's not the grid?


Reply
  • Aneysha Minocha:



    So to summarise, it seems like the inverters are operating in "Open Loop" mode as the sites are generating excess solar which is not used by the buildings' energy demand. Also the excess solar is being measured through an "export channel" as the buildings do not have a G-59 connection in place.

     


    That doesn't make sense to me.  What is this "export channel", if it's not the grid?


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