<div data-id="introduction" style="text-align:left">Introduction</div>

<div data-id="the-supplier-meter-registration-services" style="text-align:left">THE SUPPLIER METER REGISTRATION SERVICES</div>

<html><head></head><body><div data-id="suppliers-responsibility-for-the-collection-and-provision-of-utc-period-level-consumption-data" style="text-align:left"><u class="defined-term">Supplier</u>’s responsibility for the collection and provision of UTC Period Level Consumption data</div></body></html>

<html><head></head><body><div data-id="responsibility-for-the-collection-of-half-hourly-data-for-asset-metering-systems" style="text-align:left">Responsibility for the collection of half hourly data for <u class="defined-term"><u class="defined-term">Asset</u> <u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u></u>s</div></body></html>

<div data-id="utc-period-level-consumption-data-collection" style="text-align:left">UTC Period Level Consumption Data Collection</div>

<div data-id="determination-of-load-shape-data" style="text-align:left">Determination of <u class='defined-term'>Load Shape Data</u></div>

<html><head></head><body><div data-id="determination-of-suppliers-metered-consumption-andor-asset-meter-register-virtual-lead-partys-consumption" style="text-align:left">Determination of <u class="defined-term"><u class="defined-term">Supplier</u>’s <u class="defined-term">Meter</u>ed Consumption</u> and/or <u class="defined-term"><u class="defined-term">Asset</u> <u class="defined-term">Meter</u> Register</u> Virtual <u class="defined-term">Lead <u class="defined-term">Party</u></u>’s <u class="defined-term">Consumption</u></div></body></html>

<html><head></head><body><div data-id="determination-of-bm-units-period-level-consumption" style="text-align:left">Determination of <u class="defined-term"><u class="defined-term">BM Unit</u></u>’s Period Level <u class="defined-term">Consumption</u></div></body></html>

<html><head></head><body><div data-id="determination-of-suppliers-metering-system-metered-consumption" style="text-align:left">Determination of <u class="defined-term"><u class="defined-term">Supplier</u>’s <u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u> <u class="defined-term">Meter</u>ed Consumption</u></div></body></html>

<div data-id="aggregation-for-duos-report-calculations-by-the-market-wide-data-service" style="text-align:left">Aggregation for DUoS Report calculations by the <u class='defined-term'>Market-wide Data Service</u></div>

<html><head></head><body><div data-id="estimation-of-bm-units-demand-disconnection-volumes" style="text-align:left">Estimation of <u class="defined-term"><u class="defined-term">BM Unit</u>’s Demand Disconnection Volume</u>s</div></body></html>

<html><head></head><body><div data-id="determination-of-allocated-metering-system-metered-consumption" style="text-align:left">Determination of <u class="defined-term">Allocated <u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u> <u class="defined-term">Meter</u>ed Consumption</u></div></body></html>

<html><head></head><body><div data-id="determination-of-metering-system-delivered-volumes" style="text-align:left">Determination of <u class="defined-term"><u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u> Delivered Volumes</u></div></body></html>

<html><head></head><body><div data-id="determination-of-msid-pair-delivered-volumes-and-amsid-pair-delivered-volumes" style="text-align:left">Determination of <u class="defined-term"><u class="defined-term"><u class="defined-term">MSID</u> Pair</u> Delivered Volume</u>s and <u class="defined-term"><u class="defined-term">A<u class="defined-term"><u class="defined-term">MSID</u> Pair</u></u> Delivered Volume</u>s</div></body></html>

<html><head></head><body><div data-id="determination-of-annual-consumption-for-metering-systems" style="text-align:left">Determination of Annual <u class="defined-term">Consumption</u> for <u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u>s</div></body></html>

<div data-id="data-collection-and-provision" style="text-align:left">DATA COLLECTION AND PROVISION</div>

<html><head></head><body><div data-id="supplier-volume-allocation-standing-data" style="text-align:left"><u class="defined-term"><u class="defined-term">Supplier</u> Volume Allocation</u> Standing Data</div></body></html>

<html><head></head><body><div data-id="supplier-volume-allocation-periodic-data" style="text-align:left"><u class="defined-term"><u class="defined-term">Supplier</u> Volume Allocation</u> Periodic Data</div></body></html>

<div data-id="supplier-volume-allocation-data-input" style="text-align:left">SUPPLIER VOLUME ALLOCATION DATA INPUT</div>

<div data-id="volume-allocation-runs" style="text-align:left">VOLUME ALLOCATION RUNS</div>

<div data-id="delays-and-failures" style="text-align:left">Delays and Failures</div>

<div data-id="gsp-group-correction" style="text-align:left">GSP GROUP CORRECTION</div>

<div data-id="determination-of-period-bm-unit-gross-non-final-demand-for-sva-non-final-demand-facilities" style="text-align:left">DETERMINATION OF PERIOD BM UNIT GROSS NON-FINAL DEMAND FOR SVA NON-FINAL DEMAND FACILITIES</div>

<html><head></head><body><div data-id="determination-of-period-bm-unit-non-chargeable-demand-for-emr-msid-delarations-and-for-emr-amsid-delarations" style="text-align:left">DETERMINATION OF PERIOD BM UNIT NON CHARGEABLE DEMAND FOR EMR <u class="defined-term"><u class="defined-term">MSID</u></u> DELARATIONS AND FOR EMR <u class="defined-term">AMSID</u> DELARATIONS</div></body></html>

<div data-id="general" style="text-align:left"><span lang="en-GB"><b>GENERAL</b></span></div>

CONTENTS

ANNEX S-3: SUPPLIER VOLUME ALLOCATION RULES FOR MHHS METERING SYSTEMS V1.0

Defined Terms

Cross-references