HomeRulebook HomeBalancing and Settlement CodeUser Requirements SpecificationsEstimation of Annual Consumption System
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CONTENTS

  • 1 Introduction
    • 1.1 Introduction
    • 1.2 Purpose and Scope
    • 1.3 Summary of the Document
    • 1.4 Responsibilities
    • 1.5 Terminology
  • 2 PRINCIPLES AND Objectives
    • 2.1 Principles
    • 2.2 Business Objectives
    • 2.3 System Objectives
    • 2.4 Project Objectives
  • 3 CONSTRAINTS AND ASSUMPTIONS
    • 3.1 Business Constraints and Assumptions
    • 3.2 System Constraints and Assumptions
      • 3.2.1 Scope
      • 3.2.2 Operational
      • 3.2.3 System Interfaces
      • 3.2.4 EAC/AA Calculation
      • 3.2.5 Deemed Meter Advance Calculation
      • 3.2.6 Deemed Meter Reading Calculation
    • 3.3 Project Constraints and Assumptions
  • 4 BUSINESS DESCRIPTION
    • 4.1 Introduction
    • 4.2 System Overview
      • 4.2.1 EAC/AA Calculation
      • 4.2.2 Deemed Meter Advance Calculation
      • 4.2.3 Deemed Meter Reading Calculation
    • 4.3 System Scope
    • 4.4 System Context
    • 4.5 Business Events
      • 4.5.1 ISR Agent sends Daily Profile Coefficients
      • 4.5.2 ISR Agent Withdraws/Changes Daily Profile Coefficients
      • 4.5.3 Data Collector retrieves valid non half hourly meter reading
      • 4.5.4 Change of Supplier - Request for Deemed Meter Advance
      • 4.5.5 Data Collector determines a Meter reading for a specific Settlement Date where no actual meter reading exists - Request for Ad Hoc Deemed Meter Reading Calculation
      • 4.5.6 Distribution Business sends Demand Control Events
      • 4.5.7 Archiving Events
  • 5 Requirements Catalogue
    • 5.1 Introduction
    • 5.2 Key to the Requirements Catalogue
    • 5.3 Functional Requirements
      • 5.3.1 Functional Requirements - EAC and AA Calculation
      • 5.3.2 Functional Requirements - Deemed Meter Advance and Deemed Meter Reading
      • 5.3.3 Reporting Requirements
      • 5.3.4 Interface Functionality Requirements
    • 5.4 Non- Functional Requirements
      • 5.4.1 Audit Requirements
      • 5.4.2 Security and Control Requirements
    • 5.5 Operational Requirements
      • 5.5.1 Operational Requirements
    • 5.6 Design Constraints
      • 5.6.1 Design Constraints - Interfaces and Effect on Related Systems
  • 6 DATA FLOW MODEL
    • 6.1 Purpose and Scope
    • 6.2 Data Flow Diagrams and Elementary Process Descriptions
      • 6.2.1 Estimation of Annual Consumption
      • 6.2.2 Process 1.1 - Receive Daily Profiles
      • 6.2.3 Process 1.2 - Calculate Annualised Advance and EAC
      • 6.2.4 Process 1.4 - Calculate Deemed Meter Advance
      • 6.2.5 Background to Process 1.4
      • 6.2.6 Process 1.5 - Maintain Smoothing Parameter
      • 6.2.7 Process 1.6 – Calculate Ad Hoc Deemed Meter Reading
      • 6.2.8 Process 1.7 – Maintain GSPGPC Default EAC
      • 6.2.9 Process 1.8 – Receive AFYC
      • 6.2.10 Process 1.9 – Load Demand Control Event
      • 6.2.11 Process 1.10 – Load Demand Disconnection MSIDs
    • 6.3 Cross Reference to Business Process Model
    • 6.4 External Entity Descriptions
    • 6.5 I/O Descriptions
    • 6.6 Data Flow Descriptions
      • 6.6.1 Daily Profile Coefficients
      • 6.6.2 Deemed Meter Advance
      • 6.6.3 Deemed Meter Advance Request
      • 6.6.4 Deemed Meter Reading
      • 6.6.5 Deemed Meter Reading Request
      • 6.6.6 Deemed Meter Reading Report
      • 6.6.7 EAC and AA Reports
      • 6.6.8 EACs and AAs
      • 6.6.9 EAC/AA
      • 6.6.10 EAC/AA Request
      • 6.6.11 Metering System Data & Aggregator Appointments
      • 6.6.12 Smoothing Parameter
      • 6.6.13 Supplier Purchase Matrix Data
      • 6.6.14 GSPGPC Default EAC
      • 6.6.15 AFYC
      • 6.6.16 Demand Control Event
      • 6.6.17 Disconnected MSIDs and Estimated Half Hourly Demand Volumes
  • 7 LOGICAL DATA MODEL
    • 7.1 Purpose and Scope
    • 7.2 Logical Data Structure
    • 7.3 Entity Descriptions
      • 7.3.1 Ad Hoc Deemed Meter Reading Calculation
      • 7.3.2 Ad Hoc Deemed Meter Reading Calculation Profile Class
      • 7.3.3 Ad Hoc Deemed Meter Reading Calculation Time Pattern Regime
      • 7.3.4 Average Fraction of Yearly Consumption
      • 7.3.5 Daily Profile Coefficient
      • 7.3.6 Estimated Annual Consumption
      • 7.3.7 GSP Group
      • 7.3.8 GSPGPC Default EAC
      • 7.3.9 GSP Group Profile Class Tolerances
      • 7.3.10 Measurement Requirement
      • 7.3.11 Meter Advance Consumption
      • 7.3.12 Metering System
      • 7.3.13 Metering System GSP Group
      • 7.3.14 Metering System Profile Class
      • 7.3.15 Profile Class
      • 7.3.16 Settlement Configuration
      • 7.3.17 Settlement Register
      • 7.3.18 Smoothing Parameter
      • 7.3.19 Standard Settlement Configuration
      • 7.3.20 Time Pattern Regime
      • 7.3.21 Valid Measurement Requirement Profile Class
      • 7.3.22 Valid Settlement Configuration Profile Class
  • 8 Entity/Datastore Cross Reference
  • 9 Function Descriptions and Events
    • 9.1 Function Descriptions
      • 9.1.1 Archive Daily Profile Coefficients
      • 9.1.2 Determine Ad Hoc Deemed Meter Reading
      • 9.1.3 Determine Deemed Meter Advance
      • 9.1.4 Estimate Annual Consumption
      • 9.1.5 Load Daily Profiles
      • 9.1.6 Report on Ad Hoc Deemed Meter Reading Calculations
      • 9.1.7 Specify Smoothing Parameter
      • 9.1.8 Maintain GSPGPC Default EAC
      • 9.1.9 Receive AFYC
      • 9.1.10 Receive Demand Control Event
      • 9.1.11 Receive Demand Disconnection MSIDs
    • 9.2 Entity Event Matrix
    • 9.3 System Events and Enquiries
  • 10 USER roles
    • 10.1 User Catalogue
    • 10.2 User Roles
    • 10.3 Organisational Roles
  • APPENDIX A DEFINITION OF TERMS
    • A.1 Subscripts
    • A.2 Acronyms
    • A.3 Glossary
  • APPENDIX B DATA CATALOGUE
  • APPENDIX C LOGICAL DATA STRUCTURE NOTATION
  • APPENDIX D DATA FLOW DIAGRAM NOTATION
  • APPENDIX E EXPLANATION OF EACS AND AAS
    • E.1 The Settlement Timetable
    • E.2 Annualised Advances
    • E.3 Estimated Annual Consumptions

Estimation of Annual Consumption System V15.0

Effective From Date:01/10/2024
Status:LIVE
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