HomeRulebook HomeBalancing and Settlement CodeInterface Definition DocumentsNeta Interface Definition and Design Document ...Neta Interface Definition and Design Document ... V 51 0
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CONTENTS

  • 0.1 Purpose
    • 0.1.1 Summary
  • 0.2 Scope
    • 0.2.1 The Scope of this Document
  • 0.3 Summary
  • 0.4 Amendment History
  • 0.5 References
  • 0.6 Abbreviations
  • 1 Common Interface Conventions
    • 1.1 Interface Mechanisms
      • 1.1.1 Manual
      • 1.1.2 Electronic Data File Transfer
      • 1.1.3 Internal Interfaces
      • 1.1.4 Repeating Structure
      • 1.1.5 File names
      • 1.1.6 Unstructured File Format
      • 1.1.7 Acknowledgement Messages and Sequence Numbers
      • 1.1.8 Time
      • 1.1.9 Valid Sets
  • 2 External Interface Summary
    • 2.1 Interfaces by BSC Agent
      • 2.1.1 BMRA Interfaces
      • 2.1.2 CDCA Interfaces
      • 2.1.3 CRA Interfaces
      • 2.1.4 ECVAA Interfaces
      • 2.1.5 SAA Interfaces
    • 2.2 Interfaces by Corresponding Party
      • 2.2.1 BSCCo Ltd Interfaces
      • 2.2.2 FAA Interfaces
      • 2.2.3 NETSO Interfaces
      • 2.2.4 Stage 2 Interfaces
      • 2.2.5 Transfer Coordinator Interfaces
      • 2.2.6 Internal Interfaces
      • 2.2.7 EMR Settlement Services Provider Interfaces
  • 3 Interfaces From and To Multiple Parties
    • 3.1 CRA-I004: (input) BSC Service Agent Details
    • 3.2 CRA-I013: (output) Issue Authentication Report
    • 3.3 CRA-I015: (output) BM Unit, Interconnector and GSP Group Data
    • 3.4 CRA-I020: (output) Operations Registration Report
    • 3.5 CRA-I028: (output) NGC Standing Data Report
    • 3.6 ECVAA-I016: (output) ECVAA Data Exception Report
    • 3.7 ECVAA-I025: (output) Credit Cover Minimum Eligible Amount Report
    • 3.8 SAA-I013: (output) Credit/Debit Reports
  • 4 Interfaces From and To the NETSO
    • 4.1 BMRA-I002: (input) Balancing Mechanism Data
    • 4.2 BMRA-I003: (input) System Related Data
    • 4.3 BMRA-I010: (output, common) Data Exception Reports
    • 4.4 BMRA-I014: (input) Price Adjustment Data
    • 4.5 BMRA-I020: (input) BM Unit Fuel Type List
    • 4.6 BMRA-I021: (input) Temperature Reference Data
    • 4.7 BMRA-I022: (input) Daily Energy Volume Reference Data
    • 4.8 BMRA-I023: (input) Wind Generation Registered Capacities
    • 4.9 BMRA-I034: (input) Trading Unit Data
    • 4.10 CDCA-I012: (output, part 1) Report Raw Meter Data
    • 4.11 CDCA-I029: (output, part 1) Aggregated GSP Group Take Volumes
    • 4.12 CDCA-I042: (output, part 1) BM Unit Aggregation Report
    • 4.13 CDCA-I049: (output) Total Demand per GSP
    • 4.14 CDCA-I051: (output) Report Meter Technical Details
    • 4.15 CDCA-I067: (input) Disconnected CVA BM Units
    • 4.16 CRA-I007: (input/output) Boundary Point and System Connection Point Data
    • 4.17 CRA-I008: (input) Interconnector Registration Details
    • 4.18 CRA-I013: (output, common) Issue Authentication Report
    • 4.19 CRA-I014: (output, part 1) Registration Report
    • 4.20 CRA-I020: (output) Operations Registration Report
    • 4.21 CRA-I028: (output) NGC Standing Data Report
    • 4.22 SAA-I012 (input, part 1) Dispute Notification
    • 4.23 SAA-I014 (output) Settlement Report
    • 4.24 SAA-I017: (output, common) SAA Data Exception Report
    • 4.25 SAA-I018 (output, part 1) Dispute Report
    • 4.26 SAA-I026: (input) Price Adjustment Data
    • 4.27 SAA-I033: (input) Receive Request for Data Change
    • 4.28 BMRA-I024: (input) Large Combustion Plant Directive Spreadsheet13
    • 4.29 BMRA-I025: (input) SO-SO Prices
    • 4.30 BMRA-I026: (input) SO-SO Standing Data
    • 4.31 BMRA-I028: (input) Receive REMIT Data
    • 4.32 BMRA-I029: (input) Receive Transparency Regulation Data
    • 4.33 BMRA-I036: (input) Receive Replacement Reserve Data
    • 4.34 P0292: (input) ABS MSID Pair Delivered Volume Notification
    • 4.35 P0293: (output) Rejection of ABS MSID Pair Delivered Volume
    • 4.36 P0294: (output) Confirmation of ABS MSID Pair Delivered Volume
    • 4.37 P0295: (output) ABS MSID Pair Delivered Volume Exception Report
  • 5 Interfaces From and To FAA
    • 5.1 CRA-I004: (input, common) BSC Service Agent Details
    • 5.2 CRA-I013: (output, common) Issue Authentication Report
    • 5.3 CRA-I015: (output, common) BM Unit and Energy Account Registration Data
    • 5.4 ECVAA-I006: (input) Credit Limit Data
    • 5.5 ECVAA-I016: (output, common) ECVAA Data Exception Report
    • 5.6 SAA-I011: (input) Payment Calendar Data
    • 5.7 SAA-I013: (output, common) Credit/Debit Reports
  • 6 Interfaces From and To BSCCo Ltd
    • 6.1 BMRA-I010: (output, common) Data Exception Reports
    • 6.2 BMRA-I011: (output) Performance Reports
    • 6.3 BMRA-I012: (input) System Parameters
    • 6.4 BMRA-I013: (output) BMRA BSC Section D Charging Data
    • 6.5 CDCA-I014: (output, part 1) Estimated Data Report
    • 6.6 BMRA-I016: (input) Receive Market Index Data Provider Thresholds
    • 6.7 BMRA-I017: (output) Report Market Index Data Provider Thresholds
    • 6.8 CDCA-I018: (output, part 1) MAR Reconciliation Report
    • 6.9 CDCA-I019: (output, part 1) MAR Remedial Action Report
    • 6.10 CDCA-I022: (input) Distribution Line Loss Factors
    • 6.11 CDCA-I023: (output) Missing Line Loss Factors
    • 6.12 CDCA-I032: (output) Data Collection and Aggregation Performance Report
    • 6.13 CDCA-I047: (output, part 1) Correspondence Receipt Acknowledgement
    • 6.14 CDCA-I061 (input) Receive System Parameters
    • 6.15 CDCA-I062: (input) Receive Sample Settlement Periods14
    • 6.16 CDCA-I063: (output) Metered Volume Data for Sample Settlement Periods
    • 6.17 CDCA-I064: (output) MOA Proving Tests Report
    • 6.18 CDCA-I065: (output) MOA Fault Resolution Report
    • 6.19 CRA-I001: (input & output, part 1) BSC Party Registration Data
    • 6.20 CRA-I003: (input, part 1) BSC Party Agent Registration Data
    • 6.21 CRA-I004: (input, common) BSC Service Agent Details
    • 6.22 CRA-I009: (input) Receive Manual Credit Qualifying Flag (Redundant)
    • 6.23 CRA-I011: (input) Credit Assessment Load Factors
    • 6.24 CRA-I020: (output, common) Operations Registration Report
    • 6.25 CRA-I028: (output) NGC Standing Data Report
    • 6.26 CRA-I029: (input) Transmission Loss Factors
    • 6.27 CRA-I032: (output) CRA Performance Reports
    • 6.28 CRA-I034: (input) Flexible Reporting Request
    • 6.29 CRA-I035: (output) CRA BSC Section D Charging Data
    • 6.30 CRA-I042: (input) Receive Market Index Data Provider Registration Data
    • 6.31 CRA-I043: (input) Receive Exempt Export Registration Data
    • 6.32 CRA-I044: (input) Withdrawals Checklist Request
    • 6.33 CRA-I047: (output) Withdrawals Checklist
    • 6.34 CRA-I050: GC or DC Breach Estimation Challenge Decision
    • 6.35 ECVAA-I017: (output) ECVAA Performance Report
    • 6.36 ECVAA-I021: (output) Credit Limit Warning
    • 6.37 ECVAA-I023: (output) ECVAA BSC Section D Charging Data
    • 6.38 ECVAA-I026: (output) Minimum Eligible Amount Request
    • 6.39 ECVAA-I027: (input) Notification of BSC Parties in Section H Default
    • 6.40 ECVAA-I032: (input) Credit Assessment Price
    • 6.41 ECVAA-I040: (output) Issue Notification System Status Report
    • 6.42 ECVAA-I041: Receive Party Credit Default Authorisation Details
    • 6.43 SAA-I010: (input) BSCCo Ltd Cost Data (Redundant)
    • 6.44 SAA-I012: (input, part 1) Dispute Notification
    • 6.45 SAA-I014 (output) Settlement Reports
    • 6.46 SAA-I016: (output, part 1) Settlement Calendar
    • 6.47 SAA-I018: (output, part 1) Dispute Report
    • 6.48 SAA-I019: (output) BSC Party Performance Reports (Redundant)
    • 6.49 SAA-I020: (output) SAA Performance Reports
    • 6.50 SAA-I023: (input) System Parameters
    • 6.51 SAA-I025: (output) SAA BSC Section D Charging Data
    • 6.52 SAA-I027: (output) Report pre-settlement run validation failure
    • 6.53 SAA-I028: (input) Receive settlement run decision
    • 6.54 SAA-I029: (input) Receive settlement run instructions
    • 6.55 SAA-I031: (input) Receive Market Index Data Provider Thresholds
    • 6.56 SAA-I032: (output) Report Market Index Data Provider Thresholds
    • 6.57 SAA-I034: (output) Report Recommended Data Change
    • 6.58 SAA-I035: (input) Receive Instruction for Data Change
    • 6.59 SAA-I036: (output) Report Confirmation of Data Change
    • 6.60 SAA- I038: (input) Receive Excluded Emergency Acceptance Pricing Information
    • 6.61 SAA-I039: (output) Send Excluded Emergency Acceptance Dry Run Results
    • 6.62 SAA- I040: (input) Receive Authorisation To Proceed With Full Settlement Run
    • 6.63 ECVAA-I049: (input) Request to remove all ECVNs and MVRNs from ECVAA for a Party in Section H Default
    • 6.64 ECVAA-I050: (output) Remove all ECVNs and MVRNs from ECVAA for a Party in Section H Default Feedback.
    • 6.65 ECVAA-I053: Daily Wholesale Market Activity Report
    • 6.66 BMRA-I033: (Input) STOR Availability Window
    • 6.67 SAA-I046: (Input) STOR Availability Window
  • 7 Interfaces From and To Stage 2
    • 7.1 CDCA-I043: (output) GSP Group Take to SVAA
    • 7.2 CRA-I004: Agent Details
    • 7.3 SAA-I007: (input) BM Unit Allocated Demand Volume
    • 7.4 SAA-I016: (output, part 1) Settlement Calendar
    • 7.5 SAA-I017: (output, common) SAA Data Exception Report
    • 7.6 CRA-I015: (output) BM Unit Registration Data
    • 7.7 BMRA-I032: (output) Demand Control Instructions to SVAA
    • 7.8 SAA-I045: (input) BM Unit Allocated Demand Disconnection Volume
    • 7.9 SAA-I050: (input) Secondary BM Unit Demand Volumes
    • 7.10 SAA-I051: (input) Secondary BM Unit Supplier Delivered Volumes
    • 7.11 SAA-I052: (output) Daily Activations Report
    • 7.12 SAA-I054: (input) Supplier BM Unit Non BM ABSVD
    • 7.13 SAA-I055: BM Unit Settlement Expected Volumes
    • 7.14 SAA-I057: Supplier BM Unit Period Non-Chargeable Demand
    • 7.15 SAA-I059: Supplier BM Unit Period Total Gross Non-Final Demand
    • 7.16 SAA-I060: BM Unit Period Deviation Volume
  • 8 Interfaces Within BSC Central Systems
    • 8.1 BMRA-I001 (input): Registration Data
    • 8.2 BMRA-I007 (output) SAA/ECVAA Balancing Mechanism Data
    • 8.3 BMRA-I010: (output, common) Data Exception Reports
    • 8.4 BMRA-I018: (input) Publish Credit Default Report
    • 8.5 CDCA-I002: (input) Registration Data
    • 8.6 CDCA-I016: (input) Information from TAA
    • 8.7 CDCA-I020: (input) Site Visit Inspection Report
    • 8.8 CDCA-I027: (output) Aggregated Interconnector Meter Flow Volumes
    • 8.9 CDCA-I028: (output) Aggregated BM Unit Meter Flow Volumes
    • 8.10 CDCA-I034: Settlement Calendar
    • 8.11 CDCA-I035: (input) Site Visit Report on Aggregation Rule Compliance
    • 8.12 CDCA-I036: (output) GSP Group Take to SAA
    • 8.13 CDCA-I039: (output) Information to TAA
    • 8.14 CDCA-I050: (input) Data Exception Reports
    • 8.15 CDCA-I066: (input) Demand Control Instructions to CDCA
    • 8.16 CDCA-I068: (output) Period BM Unit Demand Disconnection Volumes
    • 8.17 CRA-I010
    • 8.18 CRA-I013: (output, common) Issue Authentication Report
    • 8.19 CRA-I015: (output, common) BM Unit and Energy Account Registration Data
    • 8.20 CRA-I017 (output): Credit Assessment Capability
    • 8.21 CRA-I019: (output) Registration Data
    • 8.22 CRA-I022: (output) Metering System Details
    • 8.23 CRA-I030: (input) Data Exception Reports
    • 8.24 CRA-I045: (input) Withdrawing Party Authorisation and Notification Details
    • 8.25 CRA-I046: (input) Withdrawing Party Settlement Details
    • 8.26 See SAA-I037 in this section.ECVAA-I001 (input): Registration Data
    • 8.27 ECVAA-I011: Account Bilateral Contract Volume Report
    • 8.28 ECVAA-I012: MVRN Report
    • 8.29 ECVAA-I016: (output, common) ECVAA Data Exception Report
    • 8.30 ECVAA-I020: (input) Data Exception Reports
    • 8.31 ECVAA-I036: (output) Publish Credit Default Report
    • 8.32 ECVAA-I047: (output) Withdrawing Party Authorisation and Notification Details
    • 8.33 ECVAA-I048 (input) Physical Notification Data
    • 8.34 SAA-I013: (output) Credit/Debit
    • 8.35 SAA-I001 (input): Registration Data
    • 8.36 SAA-I002 (input): Credit Assessment Capability
    • 8.37 SAA-I003 (input) SAA Balancing Mechanism Data
    • 8.38 SAA-I004: (input) Period Meter Data
    • 8.39 SAA-I008: MVRN Report
    • 8.40 SAA-I015
    • 8.41 SAA-I016: (output, part 1) Settlement Calendar
    • 8.42 SAA-I017: (output, common) SAA Data Exception Report
    • 8.43 SAA-I037: (output) Withdrawing Party Settlement Details
    • 8.44 SAA-I043: (output) Demand Control Instructions to CDCA
    • 8.45 SAA-I044: (input) Period BM Unit Demand Disconnection Volumes
    • 8.46 CRA-I036: (output) Notification Agent Termination Request
    • 8.47 ECVAA-I031: (output) Notification Agent Termination Feedback
    • 8.48 ECVAA-I033: (input) Credit/Debit Reports
    • 8.49 CDCA-I040: (output) BM Unit ‘Credit Cover’ Meter Volume Data Report
    • 8.50 ECVAA-I015: (input) BM Unit ‘Credit Cover’ Meter Volume Data
    • 8.51 BMRA-I027: (input) Settlement Reports
    • 8.52 SAA-I049: Trading Unit Data
    • 8.53 SAA-I053: Daily Exchange Rate Report
    • 8.54 SAA-I056: BM Unit Period Metered Volume
  • 9 Interfaces From and To Transfer Coordinator
    • 9.1 CRA-I023: Issue Registration Transfer Report
    • 9.2 CRA-I038: Transfer from SMRS information
    • 9.3 CRA-I039: Transfer from SMRS report
    • 9.4 CRA-I040: Transfer to SMRS information
    • 9.5 CRA-I041: Transfer to SMRS report
    • 9.6 CDCA-I055: (input) Transfer from SMRS information
    • 9.7 CDCA-I056: (output) Transfer from SMRS report
    • 9.8 CDCA-I057: (input) Transfer to SMRS information
    • 9.9 CDCA-I058: (output) Transfer to SMRS report
  • 10 Interfaces From and To EMR Settlement Services Provider
    • 10.1 SAA-I042: (output) BM Unit Chargeable Demand Report

NETA Interface Definition and Design Document Part 2 – Interfaces to other service providers V51.0

Effective From Date:07/11/2024
Status:SUPERSEDED
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