HomeRulebook HomeBalancing and Settlement CodeGuidance NotesD380 Metering Dispensation For Customers On Pr...
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CONTENTS

  • Background
    • Regulation Change & Supporting Documents
    • Terminology
  • BSC Arrangements
    • Full Settlement option
    • Difference Metering option
  • Difference Metering & Metering Dispensation
    • What is a Metering Dispensation?
    • Why is a Metering Dispensation needed for Difference Metering?
  • Generic Metering Dispensation D/380
    • What is a Generic Metering Dispensation?
    • Who can use D/380?
    • What Metering Systems are impacted?
    • From when is D/380 effective?
    • Can D/380 be used for Non Half Hourly (NHH) Metering Systems?
  • What conditions must be met to use D/380?
    • Condition 1 - Treatment of Losses
      • Treatment of losses for Difference Metering on a private network
      • Options for treating losses on a private network
    • Condition 2 - Informing all parties
      • Why should all parties agree?
      • Who are the impacted parties?
      • Can I expect collaboration from the private network owner & Boundary Point Supplier?
    • Condition 3 - Appointment of common Party Agents
      • Appointment of HHMOA
      • Appointment of HHDC
      • How will I know which Party Agents to appoint?
    • Condition 4 - Provide Elexon with MSIDs of the sites involved and use Meter Timeswitch Class ‘997’
      • Why do I need to provide the details of the MSID and use MTC 997?
      • How do I enable MTC 997?
      • If MTC 997 is not enabled within my distribution area or there is a new LLFC that needs to be created, do I need to wait for the combination to be live in MDD before I can use D/380?
      • Where should I send the information to Elexon?
    • Condition 5 – Declare compliance
  • Need more information?

D380 Metering Dispensation for customers on private networks V6.0

Effective From Date:22/09/2025
Status:LIVE
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