P376 -

, formally titled "Utilising a Baselining Methodology to set Physical Notifications," is a modification to the UK's Balancing and Settlement Code (BSC) . Approved by Ofgem and managed by Elexon , it aims to level the playing field for smaller, flexible energy providers—such as demand-side response aggregators—participating in the Balancing Market. The Problem: The "Physical Notification" Barrier

Providers still submit an FPN to National Grid (NGESO) so the grid knows what to expect in real-time. , formally titled "Utilising a Baselining Methodology to

By reducing financial risk, P376 encourages more independent aggregators and customers to participate in the market, leading to a more efficient and lower-cost transmission system. Implementation Timeline Proposed: December 2018. Approved by Ofgem: August 6, 2021. Go-Live Date: February 23, 2023. Other Potential Meanings By reducing financial risk, P376 encourages more independent

P376 ‘Utilising a Baselining Methodology to set Physical ... - Elexon Go-Live Date: February 23, 2023

Instead of using that potentially inaccurate FPN, Elexon now uses a Baselining Methodology . This looks at a site’s historical behavior to calculate what its energy flow would have been without the intervention, ensuring more accurate compensation. Key Features of P376