This Annex defines the structure and content of Electronic Dispatch Logging (EDL). EDL is the mechanism through which  the NETSO (National Electricity Transmission System Operator) sends balancing services and ancillary services instructions to BSC Parties, and through which BSC Parties also declare availability and dynamic parameters to the NETSO.

26.0

<div data-id="1-1.1" style="margin-left:0in;text-align:justify;text-indent:0in">1.1 Purpose and Scope</div>

<div data-id="1-1.2" style="margin-left:0.49in;text-align:justify;text-indent:-0.49in">1.2 Definitions</div>

<div data-id="1-1.3" style="margin-left:0.49in;text-align:justify;text-indent:-0.49in">1.3 Related Documents</div>

<div data-id="1" style="margin-left:0.49in;text-align:left;text-indent:-0.49in">1 Introduction</div>

<div data-id="2-2.1" style="margin-left:0.49in;text-align:justify;text-indent:-0.49in">2.1 Message Guidelines - General Description</div>

<div data-id="table-1-message-prefix-part-for-mms-input-mailbox" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 1. Message Prefix Part for MMS Input Mailbox</div>

<div data-id="table-2-message-prefix-part-for-mms-output-mailbox" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 2. Message Prefix Part for MMS Output Mailbox</div>

<div data-id="table-3-message-prefix-part-for-cms-output-mailbox" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 3. Message Prefix Part for CMS Output Mailbox</div>

<div data-id="2-2.2" style="margin-left:0.49in;text-align:justify;text-indent:-0.49in">2.2 Message Prefix Part</div>

<div data-id="table-4-message-header-part" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 4 Message Header Part</div>

<div data-id="table-5-message-header-categories" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 5 Message Header Categories</div>

<div data-id="table-6-message-header-types" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 6 Message Header Types</div>

<div data-id="table-7-message-header-instruction-types" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 7 Message Header Instruction Types</div>

<div data-id="table-8-message-header-error-flags" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 8 Message Header Error Flags</div>

<div data-id="2-2.3" style="margin-left:0.49in;text-align:justify;text-indent:-0.49in">2.3 Message Header Part</div>

<div data-id="2-2.4-2.4.1" style="margin-left:0.79in;text-align:justify;text-indent:-0.79in">2.4.1 Control Messages</div>

<div data-id="table-9-message-data-part-for-control-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 9 Message Data Part for Control Messages</div>

<div data-id="table-10-control-error-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 10. Control Error Messages</div>

<div data-id="table-11-message-data-part-for-version-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 11. Message Data Part for Version Messages</div>

<div data-id="2-2.4-2.4.2" style="margin-left:0.79in;text-align:justify;text-indent:-0.79in">2.4.2 Instruction Messages</div>

<div data-id="table-12-message-data-part-for-status-change-instruction-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 12. Message Data Part for Status Change Instruction Messages</div>

<div data-id="table-13-message-data-part-for-boa-and-deemed-closed-instruction-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 13. Message Data Part for BOA and Deemed Closed Instruction Messages</div>

<div data-id="table-14-message-data-part-for-change-of-reason-code-instruction-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 14. Message Data Part for Change of Reason <u class='defined-term'>Code</u> Instruction Messages</div>

<div data-id="table-15-message-data-part-for-voltage--mvar-instruction-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 15. Message Data Part for Voltage / MVAR Instruction Messages</div>

<div data-id="table-16-message-data-part-for-pumped-storage-unit-instruction-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 16. Message Data Part for Pumped Storage Unit Instruction Messages</div>

<div data-id="table-17-instruction-message-error-codes" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 17. Instruction Message Error <u class='defined-term'>Code</u>s</div>

<div data-id="2-2.4-2.4.3" style="margin-left:0.79in;text-align:justify;text-indent:-0.79in">2.4.3 Submission Messages</div>

<div data-id="table-18-message-data-part-for-submission-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 18. Message Data Part for Submission Messages</div>

<div data-id="table-19-message-data-part-variations-for-melmil-submission-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 19. Message Data Part Variations for MEL/MIL Submission Messages</div>

<div data-id="table-20-message-data-part-variations-for-rurrdr-exportimport-submissions" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 20. Message Data Part variations for RUR/RDR <u class='defined-term'>Export</u>/<u class='defined-term'>Import</u> Submissions</div>

<div data-id="table-21-message-data-part-variations-for-single-time-value-parameter-submissions" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 21. Message Data Part variations for Single Time Value Parameter Submissions</div>

<div data-id="table-22-message-data-part-variations-for-selsil-submission-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 22. Message Data Part Variations for SEL/SIL Submission Messages</div>

<div data-id="table-23-message-data-part-for-variations-for-maximum-delivery-submission-messages" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 23. Message Data Part for variations for Maximum Delivery Submission Messages</div>

<div data-id="2-2.4-2.4.4" style="margin-left:0.79in;text-align:justify;text-indent:-0.79in">2.4.4 Submission Error codes</div>

<div data-id="table-24-submission-error-codes" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 24. Submission Error <u class='defined-term'>Code</u>s</div>

<div data-id="2-2.4" style="margin-left:0.49in;text-align:justify;text-indent:-0.49in">2.4 Message Data Part</div>

<div data-id="2-2.5" style="margin-left:0.49in;text-align:justify;text-indent:-0.49in">2.5 Undelivered Messages</div>

<div data-id="table-25-alarm-codes-for-cms-alarm-mailbox" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 25. Alarm codes for CMS Alarm Mailbox</div>

<div data-id="table-26-cms-alarm-codes" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 26. CMS Alarm <u class='defined-term'>Code</u>s</div>

<div data-id="table-27-alarm-codes-for-the-mms-alarm-mailbox" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 27. Alarm codes for the MMS Alarm Mailbox</div>

<div data-id="table-28-mms-alarm-codes" style="margin-left:1.18in;text-align:justify;text-indent:-0.79in">Table 28. MMS Alarm <u class='defined-term'>Code</u>s</div>

<div data-id="2-2.6" style="margin-left:0.49in;text-align:justify;text-indent:-0.49in">2.6 Alarm Messages</div>

<div data-id="2" style="margin-left:0.49in;text-align:left;text-indent:-0.49in">2 Message Structure Details</div>

CONTENTS

CVA Data Catalogue: Annex C: NETSO EDL Specification V26.0

Defined Terms

Cross-references