Glossary

GSP Group Correction Factors: News

View Annual Demand Ratio (ADR) and Group Correction Factor (GCF) workshop

Annual Demand Ratio and Group Correction Factor workshop

Join us for our Annual Demand Ratio (ADR) and Group Correction Factor (GCF) workshop, on Tuesday 4 March 2025. In this workshop we’ll cover:

  • Introduction and housekeeping 
  • General Overview: Elements and Impact
  • Aggregation Rules
  • Technical Assurance of Metering (TAM) Audit for ADR/GCF
  • Performance Assurance Framework
  • Market-wide Half Hourly Settlement (MHHS) Overview: Proposed Changes to ADR
  • Workshop Session

Coffee and lunch will be provided on the day.

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View Enhancing our customer enquiry processes using Elexon Support

Enhancing our customer enquiry processes using Elexon Support

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.

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View BSC Insights: How we use the Annual Demand Ratio to maintain accuracy of Settlement data

BSC Insights: How we use the Annual Demand Ratio to maintain accuracy of Settlement data

In this insight article Mehdi Jafari and Jason Jackson explain what the Annual Demand Ratio (ADR) is, how it helps us maintain the accuracy of Settlement data, and what we are doing to resolve potential errors indicated by the ADR.

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View New TLFA-I014 Data for Summer 2022 on the Elexon Portal

New TLFA-I014 Data for Summer 2022 on the Elexon Portal

Following the Grid Supply Point (GSP) Group Metering Issues identified in GSP Groups _C and _J, Elexon has looked at further impacts the corrected data could have on Settlement processes.

After completing some additional analysis, we identified that there were some impacts on Transmission Loss Factors (TLFs).  These impacts were small, mostly affecting the Summer 2022 period.

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View Investigations into potential Settlement errors in two GSP Groups

Investigations into potential Settlement errors in two GSP Groups

Elexon is investigating potential errors in Settlement related to the South Eastern GSP (Grid Supply Point) Group (Group _J) and the London GSP Group (Group _C). This follows our continued monitoring of the Annual Demand Ratio (ADR).

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