Erroneous Large EAC / AA Annual Billed Unit
Anytime a new EAC/AA instance for the MPAN is received, the LEA system will automatically flag it as genuine if the new EAC/AA is less than double the value of the Annul Billed Units. For example, if the ABU value is 300,000KWh then any EACs and AAs for that MSID up to 600,000KWh will be flagged as genuine; and
If the new EAC/AA instance is not within the ABU tolerance then it will continue to be flagged as erroneous and for the purpose of Elexon’s materiality calculations the ABU data will be used as a means of estimating the realistic consumption for the MPAN. Note, where ABU data is not held, the realistic consumption value is based on the profile class average consumption.
Based on billed consumption for the MPAN;
Based on estimated realistic consumption for the MPAN; or
Rather than submitting an exact value for each MPAN, you can submit a general value for a group of MPANs. For example, small SME customers could be grouped together and given the same ABU value which would be based on realistic consumption for that group.
The LEA system will only store positive ABU values; therefore, if you submit a negative ABU value it will not be loaded.
Where the LEA System already has an ABU value for an MPAN, it will only load a new ABU value for that MPAN if the new value is higher than the currently held value. If you wish to reduce any ABU values please email email@example.com and let us know. We will then delete the old values so that the new ABU values are able to load.
Where the LEA system has ABU data for an MPAN it will use that data regardless of whether it was submitted by the current Supplier or a previous Supplier. If you notice that an MPAN that has been incorrectly flagged as genuine because of unrepresentative ABU data submitted by a previous Supplier, please let us know and we will remove the ABU value from the system.
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