Knowledge Base

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How can I monitor my Credit Cover Percentage?

You can set up bespoke Credit Cover Percentage (CCP) email alerts on the Elexon Portal? This service will notify you when your CCP exceeds or falls below a certain percentage. […]
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How is the CAP value set?

Redirected to https://www.elexon.co.uk/settlement/credit/

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How does a change of CAP affect me?

Redirected to https://www.elexon.co.uk/settlement/credit/

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Where can I find CAP data?

Redirected to https://www.elexon.co.uk/settlement/credit/

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What is CAP and how is it used?

Redirected to https://www.elexon.co.uk/settlement/credit/

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How will Supplemental Balancing Reserve (SBR) impact Credit Cover Percentage?

The Credit Cover Percentage (CCP) calculation uses Credit Assessment Price as a price estimate for the first five working days, which prevents an immediate impact. If System Prices are significantly high, […]
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Will System Prices reach £3,000/MWh if Supplemental Balancing Reserve (SBR) is used?

The System Price will not automatically reach £3,000 if SBR is used and could be higher or lower. The SBR action will be treated as an energy balancing action in […]
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How does Supplemental Balancing Reserve (SBR) affect Settlement?

Although users will see System Operator warnings on the Balancing Mechanism Reporting Service (BMRS), the  System Price calculation on the BMRS will not include SBR actions with the correct price. The SBR actions will […]
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Where can I find Unmetered Supplies (UMS) Charge Codes?

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What are Category 1 Configurable Items?

Category 1 documents are defined in BSCP40 and can only be changed by a Change Proposal or a Modification, these documents are: Balancing and Settlement Code Procedures (BSCPs); Business Definition Documents […]
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How do I apply for approval of my Central Management System (CMS)?

Redirected to https://www.elexon.co.uk/operational/unmetered-supplies/central-management-systems/

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What is an UMSUG Code?

There is no such thing as an UMSUG Code. The correct terminology is a Charge Code. To find out how to apply for a Charge Code please see the guidance […]
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Where can I get Profile data?

Redirected to https://www.elexon.co.uk/settlement/profiling/

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Who should we nominate as our initial Category A Authorised Signatory?

This is entirely up to you but we suggest they have sufficient authorisation within the company to make the relevant decisions for the amendments and requests required. They must be […]
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Do I need to pay for Authorised Signatories?

No, you do not need to pay to have Authorised Signatories.
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Can I change my own Party ID?

No, once you have acceded to the BSC with a particular Party ID you will not be able to change it unless you follow the Market Exit Process to remove […]
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How do I submit BSC Party operational contact details?

As part of the Market Entry process Elexon requires contact details from BSC Parties so that it can efficiently resolve operational queries and issues. Parties are requested to keep Elexon […]
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What are the Approved weather stations?

Redirected to https://www.elexon.co.uk/settlement/profiling/

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What data is used in Profiling?

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How are Profile Classes allocated?

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What are the Profile Classes?

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What is a Load Profile?

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What is the Performance Assurance Framework?

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What is a TAA Annual Report?

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What happens after the Metering site visit?

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I’m expecting a Metering site visit, what do I need to know?

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What is the Technical Assurance of Metering service?

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Why do we have Technical Assurance of Metering Systems?

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What is Technical Assurance of Metering Systems?

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What is a Trading Unit?

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What are the Aggregation Rules?

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What is the Metering Dispensation Review Group (MDRG)?

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What are Generic Metering Dispensations?

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What are Metering Dispensations?

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What is a Metering System?

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MDD Load Utility

Redirected to https://www.elexon.co.uk/data/market-domain-data/

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Market Domain Data

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How am I informed of changes to MDD?

Redirected to https://www.elexon.co.uk/data/market-domain-data/

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What is the MDD Release Schedule?

Redirected to https://www.elexon.co.uk/data/market-domain-data/

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How can I make a change to data in MDD?

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What is MDD?

Redirected to https://www.elexon.co.uk/data/market-domain-data/

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Where can I find Line Loss Factor Data?

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Where can I get more information on BM Units?

You can read more about BM Units on the Balancing Mechanism Units page of the Elexon website, and in the BM Units Guidance. See Section K of the BSC for […]
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What happens if I breach my GC/DC values?

During each Season, we run checks on all BM Units to see if they have breached their GC or DC values. For any BM Units that have, we send the […]
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What could be the impact of re-declaring GC/DC?

Redirected to https://www.elexon.co.uk/operational/balancing-mechanism-units/generation-and-demand-capacity/

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How do I declare GC/DC values?

Redirected to https://www.elexon.co.uk/operational/balancing-mechanism-units/generation-and-demand-capacity/

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When is the deadline for submitting the next Season’s GC/DC values?

Redirected to https://www.elexon.co.uk/operational/balancing-mechanism-units/generation-and-demand-capacity/

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When should I declare GC/DC values?

Redirected to https://www.elexon.co.uk/operational/balancing-mechanism-units/generation-and-demand-capacity/

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What is the Transfer of Supplier ID process

Redirected to https://www.elexon.co.uk/operational/balancing-mechanism-units/bm-unit-transfers/

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What is the Change of BM Unit Lead Party

This process transfers a CVA BM Unit from one Party to another. All the other details with the BM Unit, such as parameters (e.g. GC/DC and CALF values), Metering Technical […]
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How do I transfer ownership of BM Units?

If you decide to change the ownership of a BM Unit, you will either follow the Change of BM Unit Lead Party (CoBLP) process for a Central Volume Allocation (CVA) […]
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How do I register BM Units?

Redirected to https://www.elexon.co.uk/operational/balancing-mechanism-units/

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How are BM Units categorised?

Redirected to https://www.elexon.co.uk/operational/balancing-mechanism-units/

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What is a BM Unit?

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What is the balancing mechanism?

This is one of the tools National Grid uses to balance electricity supply and demand close to real time. It is needed because electricity cannot be stored and must be […]
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How does the SVA Removal of Qualification process start?

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What are the Serials used to calculate Supplier Charges?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/supplier-charges/

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Who are Supplier Charges applied to?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/supplier-charges/

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How are Supplier Charges calculated?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/supplier-charges/

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What sort of Peer Comparison do we provide?

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When is data submitted?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/parms/

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What are the performance measures?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/parms/

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Who’s involved in Performance Monitoring and Reporting?

Performance data is submitted by Suppliers, Supplier Agents, Supplier Meter Registration Agents (SMRAs) and the Supplier Volume Allocation Agent (SVAA). We then provide industry performance information to the Performance Assurance […]
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What are the big issues in Material Error Monitoring at the moment?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/material-error-monitoring/

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How does the Material Error Monitoring process work?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/material-error-monitoring/

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Why is Material Error Monitoring used?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/material-error-monitoring/

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How does the EFR process work?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/error-and-failure-resolution/

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Who’s involved in EFR?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/error-and-failure-resolution/

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What is EFR?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/error-and-failure-resolution/

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What is the Bulk Change of Non Half Hourly Agent process?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/bulk-change-of-non-half-hourly-agent/

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When do you use the [Bulk Change of Non Half Hourly Agent] process?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/bulk-change-of-non-half-hourly-agent/

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What happens during the Audit?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/bsc-audit-performance-assurance-framework/

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I’m about to be Audited – what do I need to know?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/bsc-audit-performance-assurance-framework/

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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 […]
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What happens after the Audit?

Redirected to https://www.elexon.co.uk/reference/performance-assurance/performance-assurance-techniques/bsc-audit-performance-assurance-framework/

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How can I remove someone’s authorisation?

To remove an Authorised Person the CRA must receive a BSCP38/5.1 Part A and D. These forms should be populated by a relevant Category A Authorised Person. If the person […]
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How often can I change and update our authorised people?

As often as you like. To update your authorised persons, you must follow the process in BSCP38. There is no limit to the number of authorised persons you have registered […]
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How can I check who is authorised for our company?

Each BSC Party should maintain a list of who within their company is authorised. Each year the Central Registration Agent (CRA) send a full list of the current Authorised people […]
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Which are the different categories of authorisation in BSCP38?

Section 4 of BSCP38 lists all of the authorisation categories in full and explains what the authorisation covers.
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All the Category A Authorised People have left our company. How do we create new ones?

Each company requires at least one category A authorised person as they are the only person who can add or cancel authorisations on behalf of your company. To set up […]
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I am an Authorised Person but have forgotten my password, can this be reissued?

Yes, there are various ways to do this. Contact the BSC Service Desk and request that your password be reissued. You may also Contact your Company OSM (if you have one) […]
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Why do we need to register Authorised Persons?

This is to safeguard the security of your company. We will only carry specific Code activities on behalf of your company at the request of persons you have specified as […]
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What is the Participant Test Service (PTS) and how much does it cost?

Redirected to https://www.elexon.co.uk/about/bsc-costs-charges/

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How do I access the ECVAA Web Service (EWS)?

Redirected to https://www.elexon.co.uk/settlement/bsc-central-services/

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Can High Grade lines be installed outside of the UK mainland?

Yes, we can now provide High Grade lines outside of the UK. The available line types and the associated costs are dependent on an individual quote. For further information, please […]
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Do I need Tibco Software to be able to use the High Grade service?

The Tibco software provides the mechanism for automated publication of Balancing Mechanism Reporting Agent (BMRA) data to your site. There are three main reasons you may choose not to order […]
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What are the Terms & Conditions (T&Cs) associated with the High Grade service?

The terms and conditions are covered under BSC Section D Annex 3. BSC Section O and associated documents contain further information on terms and conditions, and on the service itself.
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Are there any costs associated with the Low Grade and High Grade services?

The Low Grade service is free of charge to all BSC Parties. There are costs associated with the High Grade service but they are dependent on the type of service […]
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I currently use the Low Grade Service but want to order a High Grade service. How can I do this?

You need to send us a Communication Line Request form to start the process. We will request further technical information from you before we raise an order for the line.
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Do I need to lodge collateral (credit cover) with Elexon?

Redirected to https://www.elexon.co.uk/settlement/credit/

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What is the difference between a Market Participant Identifier (MPID) and a Party ID?

Redirected to https://www.elexon.co.uk/data/market-domain-data/

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Can more than one BSC Party use the same High Grade line?

Yes, it is possible for different parties to share the same physical connection. You must indicate if this is your intention when placing the order. The High Grade service is […]
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Do I need to create my own Party ID or is one allocated to me?

You need to create your own BSC Party ID; this information is on the Accession Form and all the other BSCP forms you submit to us through the market entry […]
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How do I trade across the Interconnectors?

Redirected to https://www.elexon.co.uk/about/roles/interconnector-user/

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I only want to become an Energy Contract Volume Notification Agent (ECVNA) or Metered Volume Reallocation Notification Agent (MVRNA). Do I have to sign the BSC?

Redirected to https://www.elexon.co.uk/market-entry/

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What are the costs associated with being a BSC Party?

Redirected to https://www.elexon.co.uk/about/bsc-costs-charges/

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How long does the market entry process take?

This is dependent on your market role. It can take as little as 2 months for a Non-Physical Trader and up to a year for a Supplier. This will be […]
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How do I claim expenses?

Redirected to https://www.elexon.co.uk/groups/submitting-expenses/

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What am I entitled to claim for?

Redirected to https://www.elexon.co.uk/groups/submitting-expenses/

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What is the Q8 Committee?

Under BSC Section Q8, BSC Parties may claim compensation if they have suffered a material loss due to being unable to submit Physical Notifications during an unplanned Transmission Company Outage.
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BSC Panel Elections

The following candidates have been elected as BSC Industry Panel Members...
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The BSC – Simple Guides

Redirected to https://bscdocs.elexon.co.uk/simple-guides

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Trading & Settlement

Electricity is traded on a wholesale market, with generators and suppliers entering into contracts with each other for every half hour of every day; sometimes years in advance...
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History of the BSC

Redirected to https://www.elexon.co.uk/about/about-elexon/

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What is the BSC?

The Balancing and Settlement Code (BSC) is a legal document which defines the rules and governance for the balancing mechanism and imbalance settlement processes of electricity in Great Britain. The […]
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What is Credit Assessment Load Factor (CALF)?

     
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Where can I find details of wholesale prices of electricity in Great Britain?

The majority of wholesale trading takes place directly between buyers and sellers of electricity at a price agreed in private. Benchmark prices for the trades are published on subscription to […]
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What are MPANs and MSIDs?

Redirected to https://www.elexon.co.uk/settlement/profiling/

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How do interconnectors work?

Redirected to https://www.elexon.co.uk/about/interconnectors/

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Can I use data from BMReports, the Elexon Portal, or Elexon.co.uk?

All Intellectual Property Rights in the data and information on these websites are owned in accordance with the terms of the Balancing and Settlement Code (BSC). If you wish to […]
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What is the Elexon Portal?

Redirected to https://www.elexon.co.uk/data/

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What is BMReports.com?

BMReports.com is the public Balancing Mechanism Reporting Service (BMRS) website maintained by the Balancing Mechanism Reporting Agent (BMRA), one of Elexon’s BSC Agent service providers, in accordance with Section V of […]
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When is a BSC Party in Default of the BSC?

Redirected to https://bscdocs.elexon.co.uk/bsc/bsc-section-h-general

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What is a BSC Party?

A BSC Party is any company that has acceded to the Balancing and Settlement Code (i.e. that has signed the BSC Framework Agreement). This includes all licensed electricity companies in […]
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How are the System Sell Price and the System Buy Price calculated?

Redirected to https://www.elexon.co.uk/settlement/imbalance-pricing/

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What is the System Sell Price and the System Buy Price?

Redirected to https://www.elexon.co.uk/settlement/imbalance-pricing/

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What is the imbalance settlement process?

The imbalance settlement process settles discrepancies, for each half hour trading period, between: The amount of electricity that a company has contracted to generate or consume (adjusted for any accepted […]
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What are bids and offers?

Redirected to https://www.elexon.co.uk/about/trading-electricty-market/

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What are the consequences of Credit Default?

Redirected to https://www.elexon.co.uk/settlement/credit/credit-default/

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When does a Credit Default occur?

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What is Credit Default?

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What are the Credit rules under the BSC?

Redirected to https://www.elexon.co.uk/settlement/credit/

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My BSC

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