31.0

<div data-id="annex-s-2-1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1. GENERAL</div>

<div data-id="annex-s-2-2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2. THE SUPPLIER METER REGISTRATION SERVICES</div>

<div data-id="annex-s-2-3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3. HALF HOURLY DATA COLLECTION AND AGGREGATION</div>

<div data-id="annex-s-2-4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4. NON HALF HOURLY DATA COLLECTION AND AGGREGATION</div>

<div data-id="annex-s-2-5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5. SUPPLIER VOLUME ALLOCATION DATA INPUT</div>

<div data-id="annex-s-2-6" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">6. PROFILE COEFFICIENTS</div>

<div data-id="annex-s-2-7" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">7. HALF HOURLY METERING SYSTEM CONSUMPTION</div>

<div data-id="annex-s-2-8" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">8. NON HALF HOURLY METERING SYSTEM CONSUMPTION</div>

<div data-id="annex-s-2-9" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">9. GSP GROUP CORRECTION</div>

<div data-id="annex-s-2-9A" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">9A SUPPLIER QUARTERLY VOLUME REPORT</div>

<html><head></head><body><div data-id="annex-s-2-9A.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">9A.1 Determination of the <u class="defined-term"><u class="defined-term">Supplier</u> Quarterly Volume Report</u></div></body></html>

<div data-id="annex-s-2-10" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">10. VOLUME ALLOCATION RUNS</div>

<div data-id="annex-s-2-11" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">11. TRADING DISPUTES</div>

<div data-id="annex-s-2-12" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">12. DELAYS AND FAILURES</div>

<div data-id="annex-s-2-13" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">13. DETERMINATION OF PERIOD BM UNIT GROSS NON-FINAL DEMAND FOR SVA NON-FINAL DEMAND FACILITIES</div>

<div data-id="annex-s-2" style="margin-left:0.69in;text-indent:-0.69in;text-align: center">ANNEX S-2: SUPPLIER VOLUME ALLOCATION RULES</div>

CONTENTS

BSC Section S-2: Supplier Volume Allocation Rules V31.0

Defined Terms

Cross-references