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Guidance Notes

A set of guidance notes produced by ELEXON, many with input from industry members is provided below. They are updated regularly to ensure they reflect industry practice.

If you have any comments or feedback on these guidance notes please email: communications@elexon.co.uk.

Operating within the BSC Arrangements, Market Entry and Exit

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Guidance Notes	Issue Date
Online Forms Pilot Service User Guide (1.2Mb)	03/12/2007
Guidance Note – Approach to Witnessing (139Kb)	23/08/2007
Guidance Note - Material Change and Triggers for re-Qualification (75Kb)	23/08/2007
Simple Guide to Market Entry (104Kb)	01/11/2007
Simple Guide to Market Exit (60Kb)	09/11/2005
SVA Qualification Storyboards and Test Guidelines (228Kb)	23/08/2007
A New Participant’s Guide to CVA Qualification (135Kb)	23/08/2007
Overview of Embedded Generation Benefits (143Kb)	22/11/2006
Guidance Note for LDSO Market Entry and Ongoing Operational Activities (155Kb)	01/11/2007
Energy Contract Volume Notification and Metered Volume Reallocation Notification (129Kb)	11/05/2007
Simple Guide to CVA BSC Agent System Information Flows (80Kb)	05/06/2007
Introduction to Microgeneration under the BSC (60Kb)	28/03/2008

Change of Supplier or BM Unit

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Guidance Notes	Issue Date
Guidance on the Underpin Processes for Non Half Hourly Change of Supplier (47Kb)	03/11/2005
Change of CVA BM Unit Lead Party and Supplier ID Transfer Process (70Kb)	28/02/2008
Change of CVA BM Unit Lead Party and Supplier ID Transfer Process Appendices (104Kb)	28/02/2008

SVA Standing Data Changes

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Guidance Notes	Issue Date
SVA Agent Flows – P0219 and P0220 Instructions for Suppliers (67Kb)	17/04/2008

Half Hourly Guidance and Exception Resolution

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Guidance Notes	Issue Date
SVA Half Hourly Market Best Practice (72Kb)	02/08/2004
Exception Reporting in the Half Hourly Market (439Kb)	30/11/2004

Non Half Hourly Guidance and Exception Resolution

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Guidance Notes	Issue Date
D0095 User Guide Volume 1 - Process Management (187Kb)	15/04/2005
D0095 User Guide Volume 2 - Technical Guide (Supplier) (194Kb)	23/02/2006

Settlement and Performance

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Guidance Notes	Issue Date
The Management and Resolution of Erroneous Large EACs and AAs (116Kb)	14/01/2008
Advice to Suppliers trying to Achieve 97% Annualised Advances at Final Reconciliation (194Kb)	30/11/2004
What is Gross Volume Correction? (80Kb)	17/08/2004
A Guide to PARMS Serials (52Kb)	10/06/2005
Guidance on Reporting SP08a Performance to the PAB (53Kb)	19/02/2007
Settlement Risk Evaluation in the Performance Assurance Framework (62Kb)	07/04/2008

Metering: Energisation Status, Changes and Compliance

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Guidance Notes	Issue Date
Energisation Status project: Supplier Guidance (81Kb)	01/09/2004
Best Practice in Using Energisation Status (62Kb)	01/06/2004
Change of Measurement and Profile Class (95Kb)	16/08/2006
Guidance on BSC Metering Systems and Compliance with BSC Codes of Practice (60Kb)	13/03/2007

Unmetered Supplies

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Guidance Notes	Issue Date
Supplier and LDSO Controls on Unmetered Supplies Operators (41Kb)	14/09/2005
Clarification of BSC Party and Party Agent responsibilities for Unmetered Supplies (32Kb)	01/07/2004
Guidance on dimming lighting equipment in Unmetered Supplies arrangements (102Kb)	25/04/2007
Guidance on New Charging Code Structure for Unmetered Supplies (70Kb)	21/04/2008

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