Appeal your Summer CALF value by 1 May 2021

Lead Parties of a non-Credit Qualifying BMU can appeal against an assigned CALF (Credit Assessment Load Factor) value if it is believed it does not accurately represent your expected activity.

To raise an appeal:

To find out more about CALF appeals, please see Section 12 (page 30) of the CALF Guidance document.

CALF Values

The CALF values for Summer 2021, which runs from 1 June to 31 August 2021, are available from the Credit/Credit Alerting section under the Financial and Credit menu on the Elexon Portal.

About the CALF

Each Primary BM Unit is given a CALF value for each Season. These are calculated based on the Primary BM Unit’s performance in the previous equivalent Season


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