Supplier of Last Resort (SoLR) – Settlement Performance and Performance Assurance

This guidance has been put in place to provide helpful information to the appointed Replacement Supplier of a SoLR. The guidance covers: general good practice; the options available to a Replacement Supplier; examples of potential pitfalls to watch out for and good practice for each of the options; the information that Elexon will request from you to help understand the approach you are taking and the controls you are putting in place; how to use Elexon’s performance reporting to ensure the management of the SoLR is not resulting in any
Settlement Performance issues; and the Performance Assurance Framework (PAF) responsibilities of the Replacement Supplier following a SoLR.


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