How is split invoicing managed for dual fuel in response to the Get Service Points API?
The guidance for dual fuel suggests that the designation instrument is explicit: where a dual fuel account exists, then the designation of the electricity data will bring in the data related to gas. This can be explicitly seen in the product reference specification for energy.
In the context of billing and invoicing this means that for an account that has electricity services offered, the invoicing and billing data for the account should be provided without alteration. That is, the gas information should not be extracted. A combined gas/electricity balance should be presented as is and invoices and transactions should contain all charges and payments, even those specifically for gas usage.
Faux dual fuel accounts can be treated differently. If the plan is dual fuel, but a separate balance is maintained for gas, and separate invoices are delivered for gas and electricity, then the gas charges, balance and invoicing can be reasonably excluded.
This is general guidance only and retailers are encouraged to use their best judgement in determining exactly how to handle dual fuel accounts in the context of their existing systems.
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