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We are looking for members to join the Modification P459 ‘Credit Default Refusal and Rejection Period Modification’ Workgroup, which seeks to delay the Credit Default Refusal and Rejection Periods. This change would give parties a two-hour window from the Level 2 Credit Default notification until the time when any Energy Contract Volume Notifications (ECVN) related to a defaulting party are rejected.

Elexon can confirm that all Balancing Mechanism Reporting Service (BMRS) endpoints will be switched off on 31 May 2024 as they have been replaced by the Insights Solution.

Elexon is developing the capabilities of the Digital Code, and we need your help to shape what it looks like in the future.

Elexon, the Balancing and Settlement Code (BSC) Manager, has implemented a change to the BSC so that smaller, distribution-connected generators that are not BSC Parties are treated the same as larger generators for payments under the BSC if system restoration services are needed.

This page lists changes to the status of Balancing and Settlement (BSC) Parties and Qualified Persons in April. It includes information on any new qualifications and registrations, new market participants, withdrawals and defaults.

Elexon and the Retail Energy Code (REC) are submitting three Market-wide Half Hourly Settlement (MHHS) Qualification Documents to their respective Performance Assurance Boards (PAB) for approval. The documents will go to the REC PAB on Tuesday 26 March, and the BSC PAB on Thursday 28 March.

Elexon has identified an error in Settlement volumes attributed to a windfarm located in GSP Group _G.

This page lists changes to the status of Balancing and Settlement (BSC) Parties and Qualified Persons in March. It includes information on any new qualifications and registrations, new market participants, withdrawals and defaults.

Elexon has completed the migration of all Balancing Mechanism Reporting Service (BMRS) datasets and functionalities that were in scope to be built onto the Insights Solution platform.

Elexon is working to smooth the path to Market-wide Half Hourly Settlement (MHHS) implementation by supporting Parties that need to migrate more than 30,000 Non-Half Hourly unmetered supplies metering systems to MHHS.

In accordance with Section Q7 of the Balancing & Settlement Code (BSC), the National Electricity Transmission System Operator (NETSO) has raised two Manifest Error claims. The claims relate to Settlement Period 41 of Settlement 4 February 2024.

On 20 February 2024 the Trading Disputes Committee (TDC) heard the claims and determined, in accordance with Q 7.1.1 of the BSC, that Manifest Errors had occurred.

The Spring BSC Season begins on 1 March 2024. The deadline for submitting your GC and DC values for the Season is 15 February 2024.

Even if the values are identical to the last BSC Season you need to submit values for the new Season.

The pre-qualification submission window for Market-wide Half Hourly Settlement (MHHS) participation has been opened today (5 February) and final submissions must be provided by 26 April 2024.  

Non-System Integration Testing (SIT) Suppliers, Supplier Agents and Meter Equipment Managers, New Entrant LDSO Programme Participants are required to provide a Pre-Qualification Submission for MHHS Qualification.

This page lists changes to the status of Balancing and Settlement (BSC) Parties and Qualified Persons in February. It includes information on any new qualifications and registrations, new market participants, withdrawals and defaults.

The Future System Operator (FSO) will be established in 2024 and will be called the National Energy System Operator (NESO). As a result, Elexon will move away from being under National Grid ESO ownership and in future will operate under a ‘federated model’ ownership arrangement. Ofgem are asking for your views on licence conditions and changes to the BSC to support the implementation of the new ownership agreements.

CP1589 ‘Change the number of characters used to specify Market Participant Role Codes in the Market Domain Data’ will now go for decision following the Market-wide Half-Hourly Settlement (MHHS) decision for Change Request (CR) CR041 ‘Change the format of Market Participant Role Code from Char(1) to Char(2)’.

CR041 was issued for impact assessment on 10 January 2024 and will close on 24 January 2024.

Instant data on electricity flows across the new 1.4 GW Viking interconnector is now available from Elexon. The Viking Link is the world’s longest land and subsea electricity cable, connecting the East of England with Denmark.

Making the flow data for the Viking Link available is important so that Elexon can continue to provide more transparency to anyone that monitors the electricity market.

This page lists changes to the status of Balancing and Settlement (BSC) Parties and Qualified Persons in January. It includes information on any new qualifications and registrations, new market participants, withdrawals and defaults.

In our recent customer feedback survey, a number of customers expressed the need for a more efficient and streamlined process to submit and track enquiries and concerns related to the BSC and its services.

We’ve taken this feedback on board and have been working on an enquiry management tool called Elexon Support. Elexon Support will provide you with a centralised platform to easily manage your interactions with us.

Following the implementation of Modification P350 on 1 April 2018, Estimated Transmission Losses Adjustment (ETLMO) values have been calculated for each season across the 2024/25 BSC Year. The Imbalance Settlement Group approved the revised Estimated Transmission Losses Adjustment (ETLMO) values for use from 1 April 2024 at its December 2023 meeting.

The Market Wide Half-Hourly Settlement (MHHS) Programme has implemented a Programme Change Freeze. This means that any BSC Changes that require changes to the MHHS design or MHHS code drafting (via a MHHS Change Request) are likely to have their implementation postponed. 

A significant amount of work is being done by Elexon and the Market-wide Half Hourly Settlement Programme (MHHSP) to make changes to BSC documents (or to develop new documents) in preparation for MHHS.

The Credit Assessment Load Factor (CALF) values for the spring 2024 BSC Season, which runs from 1 March 2024 to 31 May 2024, are available from the Credit/Credit Alerting section under the Financial and Credit menu on the ELEXON Portal.

If you are the Lead Party of a non-Credit Qualifying BMU, you can appeal an assigned CALF value if you believe it does not accurately represent your expected activity.

This page lists changes to the status of Balancing and Settlement (BSC) Parties and Qualified Persons in December. It includes information on any new qualifications and registrations, new market participants, withdrawals and defaults.

The Unmetered Supplies (UMS) Material Error Monitoring (MEM) threshold will reduce from 10,000MWh to 7,000MWh, effective from the Quarter 1 2024 reporting window.

Code Bodies presented the MHHS Qualification Plan to Suppliers and Supplier Agent representatives in an extraordinary Qualification Working Group (QWG) meeting on Monday 27 November.

The Qualification Plan provided the current position for Supplier and Supplier Agent Qualification alongside the Qualification Approach & Plan (QAP) and the Qualification Assessment Document (QAD) timelines.

We have launched the new BSC Service Status Dashboard today (20 November) so that Parties can see an up to the minute view of whether there are any issues with the BSC services that we provide.

We have released three new dates for our Introduction to the Energy Market seminars in 2024. Find out more below and sign up to attend.

The Winter BSC Season begins on Friday 1 December 2023. The deadline for submitting your GC and DC values for the Summer BSC Season is Thursday 16 November 2023.

Even if the values are identical to the last BSC Season you need to submit values for the new Season.

The MHHS Programme is introducing changes for legacy Suppliers and agents to support the Migration of Metering System Identifiers (MSIDs) from legacy arrangements to MHHS. Reverse migration can take place during the migration period (from March 2025 onwards) where a customer has switched to a Supplier that is not yet MHHS Qualified.

This page lists changes to the status of Balancing and Settlement (BSC) Parties and Qualified Persons in November. It includes information on any new qualifications and registrations, new market participants, withdrawals and defaults.

Following the issues mentioned in Elexon Circular EL03922 we have recently deployed a fix that addresses the issue with processing of large volume of Maximum Export Limit (MEL) data on our Balancing Mechanism Reporting Service (BMRS).

This month (October 2023) Elexon has begun to administer a new support scheme to benefit electricity prepayment meter (PPM) customers this winter by discounting their daily standing charges. Xoserve (a gas industry code manager) will be administering the equivalent scheme for gas PPMs.

Ofgem has today (6 October 2023) approved Balancing and Settlement Code Modification P415 ‘Facilitating access to wholesale markets for flexibility dispatched by Virtual Lead Parties’.

The Market Index Definition Statement (MIDS) is annually reviewed by the BSCCo. on behalf of the BSC Panel, to ensure that the Market Index Price is providing a reasonable reflection of the price of wholesale electricity in the short term market.

Elexon is consulting on removing a requirement in the Balancing and Settlement Code to continue provision of a High Grade telecommunications line so that Parties can receive instant updates from the Balancing Mechanism Reporting Service (BMRS).

This page lists changes to the status of Balancing and Settlement (BSC) Parties and Qualified Persons in October. It includes information on any new qualifications and registrations, new market participants, withdrawals and defaults.

Elexon’s Metering Team recently hosted a webinar where Siemens Energy gave a presentation on a new type of technology that has the potential to be used within Settlement Metering Systems, Low Power Instrument Transformers (LPITs).

This page lists changes to the status of Balancing and Settlement (BSC) Parties and Qualified Persons in September. It includes information on any new qualifications and registrations, new market participants, withdrawals and defaults.