HomeRulebook HomeBalancing and Settlement CodeCodes of PracticeCode of Practice 5 The Metering of Energy Tran...
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CONTENTS

  • 1. SCOPE
  • 2. REFERENCES
  • 3. DEFINITIONS AND INTERPRETATIONS
    • 3.1 Active Energy *
    • 3.2 Active Power *
    • 3.3 Actual Metering Point ‡
    • 3.4 Apparent Energy ‡
    • 3.5 Apparent Power ‡
    • 3.6 Boundary Point *
    • 3.7 CTN ‡
    • 3.8 CVA Customer †
    • 3.9 De-Energised ‡
    • 3.10 Defined Metering Point ‡
    • 3.11 Demand Period ‡
    • 3.12 Demand Values ‡
    • 3.13 Electricity *
    • 3.14 Export †
    • 3.15 Import †
    • 3.16 Interrogation Unit ‡
    • 3.17 Licensed Distribution System Operator (LDSO) *
    • 3.18 Maximum Demand †
    • 3.19 Meter *
    • 3.20 Metering Equipment *
    • 3.21 Meter Register ‡
    • 3.22 Offshore Platform
    • 3.23 Offshore Power Park Module
    • 3.24 Outstation *
    • 3.25 Outstation System ‡
    • 3.26 Password ‡
    • 3.27 PSTN ‡
    • 3.28 Rated Measuring Current ‡
    • 3.29 Reactive Energy *
    • 3.30 Reactive Power *
    • 3.31 Registrant *
    • 3.32 Settlement Instation ‡
    • 3.33 Single Line Diagram (SLD)
    • 3.34 Small Scale Third Party Generating Plant Limit *
    • 3.35 Small Scale Third Party Generating Plant *
    • 3.36 SVA Customer †
    • 3.37 SVA Meter Operator Agent *
    • 3.38 Systems Connection Point *
    • 3.39 UTC *
  • 4. MEASUREMENT CRITERIA
    • 4.1 Measured Quantities and Demand Values for Metering Systems Registered in CMRS
      • 4.1.1 Measured Quantities
      • 4.1.2 Demand Values
    • 4.2 Measured Quantities and Demand Values for Metering Systems Registered in SMRS
      • 4.2.1 Measured Quantities
      • 4.2.2 Demand Values
    • 4.3 Accuracy Requirements
      • 4.3.1 Overall Accuracy
      • 4.3.2 Compensation for Measurement Transformer Error
      • 4.3.3 Compensation for Power Transformer and Line Losses
  • 5. METERING EQUIPMENT CRITERIA
    • 5.1 Measurement Transformers
      • 5.1.1 Current Transformers
      • 5.1.2 Voltage Transformers
      • 5.1.3 Measurement Transformers Installed on Existing Circuits
    • 5.2 Fusing and Testing Facilities
    • 5.3 Meters
    • 5.4 Displays and Facilities for Registrant or Supplier Information
      • 5.4.1 Displays
      • 5.4.2 Facilities
    • 5.5 Outstation
      • 5.5.1 Data Storage
      • 5.5.2 Time Keeping
      • 5.5.3 Monitoring Facilities
    • 5.6 Communications
      • 5.6.1 Local Interrogation
      • 5.6.2 Remote Interrogation
    • 5.7 Appropriate Seals
    • 5.8 Single Line Diagram
  • 6. ASSOCIATED FACILITIES
    • 6.1 Interrogation Unit
    • 6.2 Additional Features
  • 7. ACCESS TO DATA
  • APPENDIX A DEFINED METERING POINTS
  • APPENDIX B LABELLING OF METERS FOR IMPORT AND EXPORT
  • APPENDIX C TYPICAL TESTING FACILITIES AND FUSING ARRANGEMENTS
  • APPENDIX D PASSWORDS
  • APPENDIX E OPTIONS FOR ENSURING METERS AND DISPLAYS CAN BE READ AND REMOTELY INTERROGATED

Code of Practice 5: The Metering of Energy Transfers with Maximum Demand of up to (and Including) 1MW for Settlement Purposes V22.0

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