List of all BSC Modifications
These pages list all Modifications issued since 2001. Modifications are raised to introduce changes that would alter any part of the BSC or any Code Subsidiary Documents (CSDs) or BSC Systems impacted by the proposed changes.
P481 Enable Elexon to be the Market Facilitator Delivery Body
This Modification seeks to extend Elexon’s vires to take up the role of Market Facilitator Delivery Body, to implement Ofgem’s decision published on 29 July 2024.
P480 Publication of regional demand forecast data to fulfil ESRS Reporting requirements
P480 seeks to facilitate the Electricity System Restoration Standard (ESRS) requirements to publish the day-ahead peak demand forecast for each restoration region and the demand restored in each restoration region published hourly during a System Restoration on BMRS (Elexon’s Insights Solution Platform). P480 is a consequential Modification to GC0156 ‘Facilitating the Implementation of the Electricity System Restoration Standard’.
This Proposed Solution is to make changes to BSC system and BSC Section Q ‘Balancing Mechanism Activities’ and CSDs to implement these provisions outlined in GC0156.
P479 Amendments to the Credit Cover calculations
This Modification seeks to amend the Credit Cover calculations to make more accurate and operationally efficient estimates of Energy Indebtedness, using data available closer to real time.
P478 Implementation of MHHS Arrangements
This Modification proposes changes to the BSC to enable the Market-Wide Half-Hourly Settlement (MHHS) arrangements.
P477 Data Protection Provisions for Market-wide Half Hourly Settlement
The purpose of this Modification is to address the need for personal information sharing in the Balancing and Settlement Code (BSC), once the Market-wide Half Hourly Settlement (MHHS) arrangements are operational.
P476 Exemption from MHHS Requirements for SMS Supplier Qualification
P476 sought to allow the Performance Assurance Board to have the authority to exempt Suppliers from Smart Segment Qualification obligations. This would allow a Supplier operating in the advanced market segment (that does not have the system, processes or controls in place to meet these obligations) without a specific cost associated to be exempted from Design, Test and Build.
P475 Allowing All Storage Sites to set and fix their own Production/Consumption Flags
The purpose of this Modification is to address the issue of storage BM Units flipping between Production (P) and Consumption (C) statuses. This flipping leads to significant financial challenges for parties managing large storage units. The proposal seeks to allow storage BM Units to fix their P/C status, thereby mitigating these challenges.
P474 Governance, funding and operation of the DIP
This Modification proposes changes to the BSC to enable the ongoing governance, funding and operation of the Data Integration Platform (DIP).
P473 Correcting inconsistencies in the P415 Legal Text
Elexon has received industry feedback on the P415 Legal Text post Ofgem approval on 6 October 2023, as well as internal feedback during work with service providers to design the system changes required to implement Modification P415, and this has revealed that the P415 Legal Text does not correctly describe the intended solution for P415 as well as some inconsistencies and omissions.