BSC Changes impacting a Supplier
This page shows which Modifications and Change Proposals have been identified as impacting a Supplier. Please note that the assessment of where impacts may affect certain roles within the electricity market may be amended during the course of the Change process.
P443 ‘To Cap NGESO Interconnector Trades’
At the current time National Grid Electricity System Operator (NGESO) can trade at prices above the Value of Lost Load (VoLL – defined in the BSC Section T 1.12). This adds to customers’ costs and sends a signal to the markets that customers are willing to buy power at any price. In a cost of living crisis the Proposer does not believe that the British public are prepared to buy energy at any price.
P437 ‘Allowing non-BSC Parties to request Metering Dispensations’
This Modification proposes to introduce a provision in Section L ‘Metering’ to allow the relevant Meter Operator Agent to apply for Metering Dispensations on behalf of a non-BSC Party.
P425 ‘Single Supplier Shared SVA Meter Arrangements’
This Modification aims to reduce the requirement from two or more Suppliers, to one or more Suppliers, to be involved in a Shared Supplier Volume Allocation (SVA) Metering Arrangement.
P441 ‘Creation of Complex Site Classes’
This Modification looks to progress a recommendation of the Issue 88 Workgroup to introduce Complex Site classes. These classes would categorise the types of Complex Site, each having clearly defined criteria within the BSC. A new “type” of Complex Site (referred to as a Class 6 Complex Site) to allow approval of ”non-standard” complex sites would also be introduced.
P441 would also clarify when the netting of Imports from Exports for multiple Metering Systems registered in Supplier Volume Allocation (SVA) is permitted.
This change would facilitate consistency across the market and as so called “Local Energy Schemes” become more popular, rules for when netting are permitted would be clearly defined going forward.
CP1567 ‘New BSC Procedure (BSCP) for Assurance Information Requests (AIRs)’
The AIR is a Performance Assurance Technique (PAT) which was introduced in May 2022. Currently there is no related BSCP for an AIR, therefore when issuing an AIR, there is no written obligation on Parties to adhere to the request.
CP1559 ‘Complex Sites Process Improvements’
This Change Proposal will deliver improvements to the Complex Sites process.
P427: Publication of Performance Assurance Parties’ impact on Settlement Risk
This Modification seeks to amend BSC Section Z to allow the Performance Assurance Board (PAB) to recommend that the Panel publish notices to industry in respect of Performance Assurance Parties’ (PAPs’) contribution to Settlement Risk along with relevant risk data.
P426 ‘Combining related BSC Parties’ Energy Indebtedness positions for the Credit Cover Percentage calculation’
This Modification proposes to remove inefficiencies with the Credit Cover calculation by allowing related BSC Parties to combine their Energy Indebtedness prior to calculating the Credit Cover Percentage.
P440 ‘Enabling Elexon to administer the Capacity Market Advisory Group’
The BSC does not currently allow Elexon to undertake administrative activities that would support the Capacity Market Advisory Group (CMAG). This does not align to Ofgem’s decision to appoint Elexon to undertake the CMAG administrative activities on its behalf.
CP1565 ‘Updates to address Central Management System issues’
This CP seeks to update BSCP520 to contain clearly outlined processes for approval and fault reporting of Central Management Systems.
P438 ‘Amending the BSC to address sanction orders’
This Modification would allow Elexon to seamlessly give effect to sanctions orders.
P412 ‘Ensuring non-BM Balancing Services providers pay for non-delivery imbalances at a price that reflects the real-time value of energy’
This Modification will introduce imbalance charges for non-Balancing Mechanism (BM) Balancing Services providers, where their delivery does not match instructed volumes. This will mean the GB market more effectively meets the requirements of the Clean Energy Package.
P430 ‘Extension of P375 to include Suppliers’
P430 seeks to extend the solution to Approved Modification P375 ‘Settlement of Secondary BM Units using metering behind the site Boundary Point’ to allow Suppliers to register Asset Meters and allocate Asset Metering System Identifier (AMSID) Pairs to Secondary Balancing Mechanism Units (SBMUs).
P436 ‘Consequential BSC changes for Switching SCR (REC 3.0)’
Ofgem’s Switching Significant Code Review (SCR) will introduce the new Central Switching Service (CSS) and version 3.0 of the Retail Energy Code (REC 3.0). P436 progresses the consequential BSC changes needed to align with REC 3.0.
P442 ‘Reporting chargeable volumes for exempt and licensed supply’
This Modification seeks to allow correct reporting of chargeable volumes to the EMRS company for SVA Metering Systems that record both exempt supply and licensed supply through the addition of a new third party role, the “Exempt Supply Calculation Agent”.
CP1532 ‘Reduce Half Hourly Change of Supplier timelines to meet the Initial Settlement Run’
P419 ‘Extension of P383 to include non-final Demand’
This Modification seeks to enable BSC Systems to aggregate the Import data of all non-Final Demand sites for exclusion from Balancing Services and Use of System (BSUoS) charges.
CP1554 ‘Future proofing the measurement transformer standards’
CP1554 looks to future proof the measurement transformer standards in Code of Practices 1, 2, 3, 4, 5 and 10
CP1552 ‘Reflecting BSCP501 timeframes in BSCP520 processes’
CP1552 seeks to provide clarity to market participants about the timeframes for various processes in BSCP520 ‘Unmetered Supplies Registered in SMRS’.
CP1556 ‘Improving the CVA Qualification Testing experience for VLPs and AMVLPs’
CP1556 looks to update BSCP70 ‘CVA Qualification Testing for Parties and Party Agents’ and the Communication Requirements Document to include a test request process and a list of P-flows for VLPs and AMVLPs.
P375 ‘Settlement of Secondary BM Units using metering behind the site Boundary Point’
P375 will allow Metering Equipment situated ‘behind’ the defined Boundary Point to be used for Settlement purposes in place of the Boundary Point Meter. Primarily, this will allow balancing-related services on-site from smaller assets to be separated from current imbalance-related activities, more accurately reflecting the balancing-energy volumes provided by the Balancing Service Provider (BSP).
P429 ‘Switching off Participant-Reported PARMS Serials’
P429 will permanently cease the operation of, and remove the obligations associated with, participant-reported Performance Assurance Reporting and Monitoring System (PARMS) Serials and associated Supplier Charges.
P432 ‘Half Hourly Settlement for CT Advanced Metering Systems’
This Modification proposes to align the BSC definition of an Advanced Meter with that in the Standard License Conditions (SLC) and to set explicit Half Hourly (HH) Settlement obligations for Current Transformer (CT) Advanced Meters ahead of the migration to Market-wide Half-Hourly Settlement (MHHS).
P434 ‘Half Hourly Settlement for UMS Metering Systems’
This Modification will require a period of mandatory Change of Measurement Class (CoMC) activity for all Non-Half Hourly (NHH) Unmetered Supplies (UMS) Metering Systems running from October 2023 to October 2024. It will also require all new UMS connections to be settled Half Hourly (HH) from October 2023.
P439 ‘Enabling EDA-based Data Integration Platform Development’
This Modification makes changes to the Balancing and Settlement Code (BSC) to enable Elexon, in its capacity as the Market-wide Half Hourly Settlement (MHHS) Implementation Manager, to develop the Event Driven Architecture (EDA) based system for MHHS, which will be known as the Data Integration Platform (DIP).
P415 ‘Facilitating access to wholesale markets for flexibility dispatched by Virtual Lead Parties’
P415 seeks to amend the BSC to allow Virtual Lead Parties (VLPs) to participate in the GB wholesale market.
P421 ‘Align BSC with Grid Code for TERRE Market Suspension’
This Modification aligns the BSC with the provisions introduced into the Grid Code under GC0144 ‘Alignment of Market Suspension Rights to the EU Emergency and Restoration Code Article 35.1(b)’.
CP1549 ‘Amendment of BSCP516 to clarify the criteria for Non-Domestic SVA Metering Systems’
CP1549 seeks to remove the text from BSCP516 ‘Allocation of Profile Classes and SSC’s for Non Half Hourly SVA Metering Systems Registered in SMRS’ that suggests a Change of Measurement Class from HH to NHH Profile Classes 3 or 4 is not possible so that it aligns with the correct interpretation of the rules set out in the BSC.
P410 ‘Changing imbalance price calculations to comply with the Imbalance Settlement Harmonisation regulations’
P410 sought to introduce changes to the imbalance price calculations to ensure BSC compliance with the European Imbalance Settlement Harmonisation regulations.
P416 Introducing a route of appeal for the Annual Budget in line with the proposals for the Retail Energy Code
P416 seeks to amend the BSC to include an appeals mechanism that BSC Parties could use to challenge items in the Annual Budget.
CP1544 ‘BSCCo Approved EFR Representative sign-off required for any EFR plan following escalation’
CP1541 ‘Use of D0004 in BSCP502’
P424 ‘Re-insert correct definition of Settlement Error’
P423 ‘Market-wide Half Hourly Settlement (MHHS) Implementation and Governance Arrangements’
CP1537 ‘Extending the Timescales for agreeing Technical Assurance of Performance Assurance Parties (TAPAP) Findings Reports’
CP1543 ‘Use of DTC dataflow D0051 in the Half Hourly sector’
CP1542 ‘Transfer the obligation to visit de-energised sites annually from Data Collector to Supplier’
P413 ‘Market-wide Half Hourly Settlement Programme Manager’
P417 ‘Move the Letter of Credit templates and Approved Insurance Product requirements to the BSC Website’
P379 ‘Multiple Suppliers through Meter Splitting’
CP1533 ‘Mandatory Sending of D0052 for DCC serviced SVA NHH Metering Systems’
CP1533 intends to update clause 188.8.131.52 in BSCP504 to remove instances of the word “new” in order to make it clear that D0052s shall be sent in all instances.