An explanation of how to use and populate the D0354, D0355, D0356 & D0357 data flows that support the Electricity Market Reform arrangements.

<div data-id="whats-the-purpose-of-this-document" style="text-align:left">What’s the purpose of this document?</div>

<div data-id="who-is-this-document-for" style="text-align:left">Who is this document for?</div>

<html><head></head><body><div data-id="high-level-overview-of-the-hhda-metering-solution" style="text-align:left">High-level Overview of the HHDA <u class="defined-term">Meter</u>ing Solution</div></body></html>

<div data-id="frequently-asked-questions-1" style="text-align:left"><span>1. What MPID and role code should the HHDA use when sending the D0357 to the EMRSSP</span>?</div>

<html><head></head><body><div data-id="frequently-asked-questions-2" style="text-align:left"><span>2. How will <u class="defined-term">EMR <u class="defined-term">Settlement</u> Services Provider</u> know what is for CFD or CM <u class="defined-term">Settlement</u>?</span></div></body></html>

<html><head></head><body><div data-id="frequently-asked-questions-3" style="margin-left:0.5in;text-align:left;text-indent:-0.5in"><span>3. A <u class="defined-term"><u class="defined-term">Meter</u></u> has a ‘Period EMR <u class="defined-term"><u class="defined-term">Meter</u>ed Data</u>’ (J1782) value of 1000 and a <u class="defined-term">Line Loss Factor</u> of 1.1. Would the value in the ‘Period EMR Line Loss’ (J1873) field in this instance be 1100 or 100?</span></div></body></html>

<div data-id="frequently-asked-questions-4" style="text-align:left"><span>4. Are retrospective effective from (J1869) and effective to (J1870) settlement dates allowed (EFD/ETD)?</span></div>

<div data-id="frequently-asked-questions-5" style="text-align:left"><span>5. How should the ‘File Sequence Number’ (J0330) and ‘Incoming Instruction Number’ (J1017) be populated?</span></div>

<div data-id="frequently-asked-questions-6" style="margin-left:0.5in;text-align:left;text-indent:-0.5in"><span>6. What metered data should the HHDA provide in the D0357 where no data has been received (actual or estimated) from the appointed Half hourly <u class='defined-term'>Data Collector</u> (HHDC)?</span></div>

<div data-id="frequently-asked-questions-7" style="margin-left:0.5in;text-align:left;text-indent:-0.5in"><span>7. The ‘File Sequence Number’ (J0330) is optional in the D0355 and mandatory in the D0356. When should this data item be populated?</span></div>

<html><head></head><body><div data-id="frequently-asked-questions-8" style="text-align:left"><span>8. Does the D0357 have to be sent to <u class="defined-term">Supplier</u>s?</span></div></body></html>

<div data-id="frequently-asked-questions-9" style="text-align:left"><span>9. What should be reported in the D0357 when there are no MPANs to report in a <u class='defined-term'>GSP Group</u>?</span></div>

<div data-id="frequently-asked-questions-10" style="text-align:left"><span>10. How does this process work with the change of supply process?</span></div>

<html><head></head><body><div data-id="frequently-asked-questions-11" style="text-align:left"><span>11. How do <u class="defined-term">Supplier</u>s amend or cancel previously sent instructions (D0354)?</span></div></body></html>

<div data-id="frequently-asked-questions-12" style="text-align:left"><span>12. When should File Sequence Numbers (J0330) and Instruction Numbers (J0109) be incremented?</span></div>

<div data-id="frequently-asked-questions-13" style="margin-left:0.5in;text-align:left;text-indent:-0.5in"><span>13. Can File Sequence Numbers (J0330) and Instruction Numbers (J0109) in rejected D0354s (EMR Reporting Notification) be re-used in subsequent D0354 instructions?</span></div>

<html><head></head><body><div data-id="frequently-asked-questions-14" style="margin-left:0.5in;text-align:left;text-indent:-0.5in"><span>14. How would a HHDA notify the <u class="defined-term">Supplier</u> that the D0354 (EMR Reporting Notification) has been rejected due to Missing or Invalid File Sequence/Instruction numbers (J0330/J0109)?</span></div></body></html>

<div data-id="frequently-asked-questions-15" style="text-align:left"><span>15. When would a HHDA use the ‘02’ and ‘04’ rejection reasons (J1871) in the D0356?</span></div>

<html><head></head><body><div data-id="frequently-asked-questions-16" style="margin-left:0.5in;text-align:left;text-indent:-0.5in"><span>16. Is a HHDA expected to use the whole of section 2 in Multiple <u class="defined-term">BM Unit</u> Instruction Processing Specification as a basis for the validation of incoming D0354s (EMR Reporting Notification)?</span></div></body></html>

<html><head></head><body><div data-id="frequently-asked-questions-18" style="margin-left:0.5in;text-align:left;text-indent:-0.5in"><span>18. How should HHDAs handle D0354 instructions where multiple D0209 appointments from the same <u class="defined-term">Supplier</u> have been received?</span></div></body></html>

<html><head></head><body><div data-id="frequently-asked-questions-19" style="text-align:left"><span>19. When should <u class="defined-term">Supplier</u>s populate the ETD (J1870)?</span></div></body></html>

<html><head></head><body><div data-id="frequently-asked-questions-20" style="margin-left:0.5in;text-align:left;text-indent:-0.5in"><span>20. Can HHDAs submit ‘back dated’ or historic <u class="defined-term"><u class="defined-term">Meter</u></u>ed volumes to EMRS using the D0357 (<u class="defined-term">Half Hourly Meter</u>ed Data for EMR)?</span></div></body></html>

<div data-id="frequently-asked-questions-21" style="text-align:left"><span>21. How does the EMRSSP know which volumes are for Capacity providers and which for EII?</span></div>

<div data-id="frequently-asked-questions-22" style="text-align:left"><span>22. How do I provide the EMR Reporting Confirmation (D0355) information to EMRSSP?</span></div>

<div data-id="frequently-asked-questions" style="text-align:left">Frequently Asked Questions</div>

CONTENTS

HHDA Metering Solution for EMR - FAQs V5.0

Defined Terms

Cross-references