Performance Assurance Parties (PAPs) can be audited as part of the BSC Audit, Technical Assurance of Performance Assurance Parties (TAPAP), Technical Assurance of Metering (TAM), or ad hoc audits.
The BSC Audit
The BSC Audit is a key detective technique in ELEXON’s Performance Assurance Framework.
It is designed to provide assurance that the Settlement and Funding Share calculation provisions are complied with.
It is a national exercise undertaken each year by KPMG, as the current BSC Auditor, with the assistance and co–operation of many industry participants. The BSC Auditor is a BSC Agent procured and managed by ELEXON.
Technical Assurance of Performance Assurance Parties
Technical Assurance of Performance Assurance Parties is a detective technique in ELEXON’s Performance Assurance Framework.
Technical Assurance of Metering
Technical Assurance of Metering is a detective technique, part of the Performance Assurance Framework. It is designed to monitor compliance with metering requirements set out in the BSC and its subsidiary documents. It consists of a combination of sampled and targeted visits to sites with Half Hourly Metering Systems registered in Supplier Volume Allocation (SVA) and Credit Volume Allocation (CVA).
The size and scope of the sample is set by the Performance Assurance Board (PAB) within the Risk Operating Plan (ROP). Here’s a full representation of the TAM scope of work: TAM Scope for work for PAOP7 2015/2016.
For the audit year 2015/2016 the PAB approved a 1% representative sample size for the SVA Metering System population and a 14.75% representative sample size for the CVA Metering System population. Please note that the CVA sample was increased from 5%, the rationale is outlined in the summary of PAB paper 151/11: PAB PAPER 151/11 FINAL ASSURING COP 123 MSIDS.