HomeRulebook HomeBalancing and Settlement CodeUser Requirements SpecificationsEnergy Contract Volume Aggregation Agent
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CONTENTS

  • 1. Management Summary
    • 1.1 Purpose
    • 1.2 Scope
  • 2 Introduction
  • 3 Scope of Specification
  • 4 Business and System Overview
    • 4.1 Summary of Business Requirements
      • 4.1.1 ECVNAA Approval
      • 4.1.2 MRVNAA Approval
      • 4.1.3 Notification Collection
      • 4.1.4 Credit Checking
      • 4.1.5 Aggregation and reporting to SAA
    • 4.2 Service Context
    • 4.3 User Requirements Source Documents
    • 4.4 Requirements Summary
    • 4.5 Numbering Scheme for Requirements Definitions
    • 4.6 Attributes of Individual Requirements
  • 5 Functional Requirements
    • 5.1 ECVAA-F001: Process Registration Data
    • 5.2 ECVAA-F002: Process Credit Limit Data
    • 5.3 ECVAA-F003: Process ECVNAA
    • 5.4 ECVAA-F004: Process MVRNAA
    • 5.5 ECVAA-F005: Process Energy Contract Volume Notifications
    • 5.6 ECVAA-F006: Process Metered Volume Reallocation Notifications
    • 5.7 ECVAA-F007: Perform Credit Check
    • 5.8 ECVAA-F008: Aggregate Energy Contract Volumes
    • 5.9 ECVAA-F009: Process Exception Data
    • 5.10 ECVAA-F010: Calculate Party Indebtedness
    • 5.11 ECVAA-F011: Process Credit Cover Minimum Eligible Amount Request
    • 5.12 ECVAA-F012: Process Volume Notification Nullification
    • 5.13 ECVAA-F013 Manage ECVAA System Failure / Withdrawal
    • 5.14 ECVAA-F014: Matching of submitted ECVNs
    • 5.15 ECVAA-F015: Matching of submitted MVRNs
    • 5.16 Notes on Notification Processing and Reporting
    • 5.17 ECVAA-F016: ECVAA Web Service Common Functionality.
    • 5.18 ECVAA-F017: ECVAA Web Service – BSC Party View ECVNs Functionality.
    • 5.19 ECVAA-F018: ECVAA Web Service – BSC Party View MVRNs Functionality.
    • 5.20 ECVAA-F019: ECVAA Web Service - ECVNA Functionality.
    • 5.21 ECVAA-F020: ECVAA Web Service - ECVNA ECVN Submission Functionality.
    • 5.22 ECVAA-F021: ECVAA Web Service - MVRNA Functionality.
    • 5.23 ECVAA-F022: ECVAA Web Service - MVRNA MVRN Submission Functionality.
    • 5.24 ECVAA-F023: Banning/Unbanning Individual User Access to the ECVAA Web service Functionality
    • 5.25 ECVAA-F024: Process Withdrawing Party Authorisation and Notification Details
    • 5.26 ECVAA-F025: Calculate Period Final Physical Notification Volumes
    • 5.27 ECVAA-F026: Process removal of ECVNs / MVRNs from ECVAA for a Party in Section H Default
    • 5.28 ECVAA-F027: Process Wholesale Market Activity Notifications
  • 6 Interfaces Requirements
  • 7 Non-Functional Requirement
    • 7.1 ECVAA-N001: Web Security Requirements
  • 8 Service Requirements
    • 8.1 ECVAA-S001: Service Availability
    • 8.2 ECVAA-S002: Volumetric Requirements
    • 8.3 ECVAA-S003: Resilience Requirements
  • 9 User Roles and Activities
  • 10 Future Enhancements
  • Appendix A Glossary
  • Appendix B Requirements Compliance Matrix
  • Appendix C Not used
  • Appendix D Business Process Model

Energy Contract Volume Aggregation Agent V28.0

Effective From Date:27/02/2025
Status:LIVE
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