What does a Qualified BSC Audit Opinion mean?
The BSC Auditor will ‘Qualify’ its audit opinion if it cannot provide reasonable assurance that the total level of error in Settlement is less than the Materiality Threshold. The Materiality Threshold is currently 1.65TWh which represents approximately 0.5% of the total annual electricity supplied across Great Britain. Related Audits The BSC Audit incorporates the Funding Shares Audit and takes account of the findings of the Balancing Mechanism (BM) Audit performed by National Grid’s Auditor. The BM Audit looks at the data submitted and used for balancing the system. You can download the BM Audit Report from the National Grid website. I’m about to be Audited – what do I need to know? Your OSM and the BSC Auditor will be in touch with you to discuss the audit process, and answer any questions you may have. You will be offered a planning meeting to talk about arrangements for the site visit and any data requests. We offer an online tool, the BSC Audit Communications System, which is a se
