Code change: requesting a SPID when the retailer is unknown

November 19, 2017

On Friday, Ofwat published its decision to allow wholesalers to leave the “retailer ID” field in the Central Market Operating System blank when requesting a supply point ID for either a new connection or an entry change of use where the customer has not chosen a retailer.


To date, wholesalers have been using a workaround in such situations by treating them as gap sites – the only option that will allow them to request a SPID when the retailer is unknown. The change, proposed by Thames Water, was recommended by the Panel and approved by Ofwat, and will be implemented on 3 March 2018. 

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