Section S contains the rules for determining Metered Volumes for the purposes of Supplier Volume Allocation (SVA). It sets out: Suppliers' rights, obligations, activities and functions relating to SVA (including those for which their Party Agents are responsible); the application of performance assurance measures (including Supplier Charges); the functions of Supplier Meter Registration Agents; the functions of the Supplier Volume Allocation Agent (SVAA), Profile Administrator and Teleswitch Agent; how SVA Metering Systems may be allocated to Additional BM Units; rights and obligations relating to Unmetered Supplies; and how Supplier BM Units' Metered Volumes are determined. It also covers the transfer of Supplier IDs.

52.0

<div data-id="section-s-1-1.1">1.1 Introduction</div>

<div data-id="section-s-1-1.2">1.2 Application and interpretation</div>

<html><head></head><body><div data-id="section-s-1-1.3">1.3 <u class="defined-term"><u class="defined-term">Supplier</u> ID</u></div></body></html>

<html><head></head><body><div data-id="section-s-1-1.4">1.4 Transfer of <u class="defined-term"><u class="defined-term">Supplier</u> ID</u></div></body></html>

<html><head></head><body><div data-id="section-s-1-1.5">1.5 Effect of transfer of <u class="defined-term"><u class="defined-term">Supplier</u> ID</u></div></body></html>

<html><head></head><body><div data-id="section-s-1-1.6">1.6 Establishment of <u class="defined-term"><u class="defined-term"><u class="defined-term">BM Unit</u></u></u>s following transfer of <u class="defined-term"><u class="defined-term">Supplier</u> ID</u></div></body></html>

<html><head></head><body><div data-id="section-s-1-1.7">1.7 Effect of establishment of <u class="defined-term"><u class="defined-term">Transferee</u> <u class="defined-term"><u class="defined-term">BM Unit</u></u></u>s</div></body></html>

<html><head></head><body><div data-id="section-s-1-1.8">1.8 Data relating to <u class="defined-term">Relevant <u class="defined-term"><u class="defined-term">BM Unit</u></u>s</u></div></body></html>

<html><head></head><body><div data-id="section-s-1-1.9">1.9 <u class="defined-term"><u class="defined-term">EMR <u class="defined-term">MSID</u> Declaration</u></u>s and <u class="defined-term">EMR <u class="defined-term">A<u class="defined-term">MSID</u></u> Declaration</u>s</div></body></html>

<div data-id="section-s-1">1. GENERAL</div>

<html><head></head><body><div data-id="section-s-2-2.1">2.1 <u class="defined-term"><u class="defined-term">Supplier</u> Agent</u>s</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.1A">2.1A <u class="defined-term"><u class="defined-term"><u class="defined-term">Asset</u> <u class="defined-term">Meter</u></u>ing <u class="defined-term"><u class="defined-term">Party</u> Agent</u></u>s</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.2">2.2 <u class="defined-term"><u class="defined-term">Meter</u> Operator Agent</u></div></body></html>

<html><head></head><body><div data-id="section-s-2-2.3">2.3 <u class="defined-term">Data Collector</u>s</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.3A">2.3A Advanced and <u class="defined-term">Smart <u class="defined-term">Data Service</u></u>s</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.4">2.4 <u class="defined-term">Data Aggregator</u>s</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.5">2.5 <u class="defined-term"><u class="defined-term">Meter</u> Administrator</u>s</div></body></html>

<div data-id="section-s-2-2.6">2.6 Provision of Data</div>

<html><head></head><body><div data-id="section-s-2-2.7">2.7 Additional <u class="defined-term"><u class="defined-term">Supplier</u></u>, <u class="defined-term"><u class="defined-term">Virtual Trading</u> <u class="defined-term">Party</u></u> and <u class="defined-term">Virtual <u class="defined-term">Lead <u class="defined-term">Party</u></u></u> Obligations</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.8">2.8 <u class="defined-term">Long Term Vacant</u></div></body></html>

<html><head></head><body><div data-id="section-s-2-2.9">2.9 Provision of Data to a <u class="defined-term">CM <u class="defined-term">Settlement</u> Services Provider</u></div></body></html>

<html><head></head><body><div data-id="section-s-2-2.10">2.10 Provision of Data relating to <u class="defined-term">EII <u class="defined-term">Asset</u></u>s</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.11">2.11 Provision of Data for <u class="defined-term">SVA <u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u></u>s</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.12">2.12 Provision of data for SVA HH <u class="defined-term"><u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u></u>s related to <u class="defined-term">SVA Non-<u class="defined-term">Final Demand</u> Facilities</u></div></body></html>

<html><head></head><body><div data-id="section-s-2-2.13">2.13 Provision of data for SVA HH <u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u>s related to EMRS <u class="defined-term"><u class="defined-term">MSID</u></u> Declarations and EMRS <u class="defined-term">AMSID</u> Declarations</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.14">2.14 Provision of 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 related to EMRS <u class="defined-term">A<u class="defined-term">MSID</u></u> Declarations</div></body></html>

<html><head></head><body><div data-id="section-s-2-2.15">2.15 <u class="defined-term">Exempt Supply Notification Agent</u>s</div></body></html>

<div data-id="section-s-2">2. RESPONSIBILITIES OF SUPPLIERS, VIRTUAL LEAD PARTIES SUPPLIER AGENTS, DATA SERVICE AGENTS AND ASSET METERING PARTY AGENTS</div>

<html><head></head><body><div data-id="section-s-3-3.1">3.1 <u class="defined-term">Supplier</u> Performance Assurance</div></body></html>

<html><head></head><body><div data-id="section-s-3-3.2">3.2 <u class="defined-term">Supplier</u> Charges</div></body></html>

<html><head></head><body><div data-id="section-s-3-3.2A">3.2A Temporary disapplication of <u class="defined-term">Supplier</u> Charges</div></body></html>

<html><head></head><body><div data-id="section-s-3-3.3">3.3 <u class="defined-term"><u class="defined-term">Supplier</u> Force Majeure</u></div></body></html>

<div data-id="section-s-3">3. PERFORMANCE</div>

<html><head></head><body><div data-id="section-s-4-4.1">4.1 <u class="defined-term"><u class="defined-term"><u class="defined-term">Supplier</u> <u class="defined-term">Volume Allocation</u></u> Agent</u></div></body></html>

<html><head></head><body><div data-id="section-s-4-4.2">4.2 <u class="defined-term"><u class="defined-term"><u class="defined-term">Profile</u></u> Administrator</u></div></body></html>

<html><head></head><body><div data-id="section-s-4-4.3">4.3 <u class="defined-term">Teleswitch Agent</u></div></body></html>

<div data-id="section-s-4">4. FUNCTIONS OF BSC AGENTS IN RELATION TO SUPPLIER VOLUME ALLOCATION</div>

<html><head></head><body><div data-id="section-s-5-5.1">5.1 <u class="defined-term"><u class="defined-term">Supplier</u> <u class="defined-term">Meter</u> Registration Agent</u>s</div></body></html>

<html><head></head><body><div data-id="section-s-5-5.2">5.2 <u class="defined-term">Licensed <u class="defined-term"><u class="defined-term">Distribution <u class="defined-term">System</u></u> Operator</u></u>s and <u class="defined-term"><u class="defined-term">Supplier</u> <u class="defined-term">Meter</u> Registration Service</u>s</div></body></html>

<div data-id="section-s-5">5. FUNCTIONS OF OTHER AGENTS IN RELATION TO SUPPLIER VOLUME ALLOCATION</div>

<html><head></head><body><div data-id="section-s-6-6.1">6.1 <u class="defined-term">Qualification</u></div></body></html>

<html><head></head><body><div data-id="section-s-6-6.2">6.2 Allocation of <u class="defined-term">SVA <u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u></u>s to <u class="defined-term">Additional <u class="defined-term"><u class="defined-term">BM Unit</u></u></u>s</div></body></html>

<div data-id="section-s-6-6.3">6.3 Process</div>

<div data-id="section-s-6">6. SUPPLIER BM UNITS</div>

<div data-id="section-s-7-7.1">7.1 Application</div>

<html><head></head><body><div data-id="section-s-7-7.2">7.2 Overview of the <u class="defined-term"><u class="defined-term"><u class="defined-term">Supplier</u> <u class="defined-term">Volume Allocation</u></u> Rules</u></div></body></html>

<div data-id="section-s-7">7. SUPPLIER VOLUME ALLOCATION RULES</div>

<div data-id="section-s-8-8.1">8.1 Unmetered Supplies and this Section</div>

<html><head></head><body><div data-id="section-s-8-8.2">8.2 <u class="defined-term">Licensed <u class="defined-term"><u class="defined-term">Distribution <u class="defined-term">System</u></u> Operator</u></u>s and Unmetered Supplies</div></body></html>

<html><head></head><body><div data-id="section-s-8-8.3">8.3 <u class="defined-term">Supplier</u>s and Unmetered Supplies</div></body></html>

<div data-id="section-s-8">8. UNMETERED SUPPLIES</div>

<html><head></head><body><div data-id="section-s-9-9.1">9.1 Duties of <u class="defined-term"><u class="defined-term">Distribution <u class="defined-term">System</u></u> Operator</u></div></body></html>

<html><head></head><body><div data-id="section-s-9-9.2">9.2 Duties of the <u class="defined-term">NETSO</u></div></body></html>

<html><head></head><body><div data-id="section-s-9-9.2A">9.2A <u class="defined-term"><u class="defined-term">Demand Disconnection</u> Event</u> Threshold Methodology</div></body></html>

<html><head></head><body><div data-id="section-s-9-9.3">9.3 Duties of the <u class="defined-term">SVAA</u></div></body></html>

<div data-id="section-s-9">9. DEMAND DISCONNECTION EVENTS</div>

<html><head></head><body><div data-id="section-s-10-10.1">10.1 Provision of <u class="defined-term"><u class="defined-term"><u class="defined-term">MSID</u> Pair</u> Data</u></div></body></html>

<html><head></head><body><div data-id="section-s-10-10.1A">10.1A Provision of <u class="defined-term"><u class="defined-term">A<u class="defined-term"><u class="defined-term"><u class="defined-term">MSID</u> Pair</u> Data</u></u></u> (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 registered in <u class="defined-term">AMRS</u>)</div></body></html>

<html><head></head><body><div data-id="section-s-10-10.1B">10.1B Allocation of <u class="defined-term"><u class="defined-term">A<u class="defined-term"><u class="defined-term">MSID</u> Pair</u></u></u>s in LPAMR to <u class="defined-term">Secondary <u class="defined-term"><u class="defined-term">BM Unit</u></u></u>s</div></body></html>

<html><head></head><body><div data-id="section-s-10-10.2">10.2 Process for allocating <u class="defined-term"><u class="defined-term">MSID</u> Pair</u>s to a <u class="defined-term"><u class="defined-term">BM Unit</u></u></div></body></html>

<html><head></head><body><div data-id="section-s-10-10.2A">10.2A Process for allocating <u class="defined-term"><u class="defined-term">A<u class="defined-term"><u class="defined-term">MSID</u> Pair</u></u></u>s to a <u class="defined-term"><u class="defined-term">Secondary <u class="defined-term"><u class="defined-term">BM Unit</u></u></u></u> (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 registered in <u class="defined-term">AMRS</u>)</div></body></html>

<div data-id="section-s-10-10.2B">10.2B Validation of the LPAMR</div>

<html><head></head><body><div data-id="section-s-10-10.3">10.3 <u class="defined-term">Qualification</u></div></body></html>

<html><head></head><body><div data-id="section-s-10-10.4">10.4 <u class="defined-term"><u class="defined-term">MSID</u> Standing Data</u></div></body></html>

<html><head></head><body><div data-id="section-s-10-10.5">10.5 Provision of metered volumes by the <u class="defined-term">Half Hourly <u class="defined-term">Data Aggregator</u></u></div></body></html>

<div data-id="section-s-10">10. SVA METERING SYSTEM REGISTER</div>

<html><head></head><body><div data-id="section-s-11-11.1">11.1 Provision of <u class="defined-term"><u class="defined-term"><u class="defined-term"><u class="defined-term"><u class="defined-term">MSID</u> Pair</u> Delivered Volume</u></u></u> and <u class="defined-term">A<u class="defined-term"><u class="defined-term"><u class="defined-term">MSID</u> Pair</u> Delivered Volume</u></u></div></body></html>

<html><head></head><body><div data-id="section-s-11">11 <u class="defined-term"><u class="defined-term">MSID</u></u> PAIR DELIVERED VOLUMES AND <u class="defined-term">AMSID</u> PAIR DELIVERED VOLUMES</div></body></html>

<html><head></head><body><div data-id="section-s-12-12.1">12.1 Provision of <u class="defined-term">Billing Data</u></div></body></html>

<html><head></head><body><div data-id="section-s-12-12.2">12.2 Provision of <u class="defined-term">Tariff Setting Data</u></div></body></html>

<div data-id="section-s-12">12 PROVISION OF INFORMATION FOR PURPOSES OF CALCULATING NETWORK CHARGES</div>

<div data-id="section-s-13">13 BASELINING METHODOLOGY DOCUMENT</div>

<div data-id="section-s-14">14 SUBMITTED EXPECTED VOLUMES</div>

<html><head></head><body><div data-id="section-s-15-15.1">15.1 Where the <u class="defined-term"><u class="defined-term">Lead <u class="defined-term">Party</u></u></u> has registered a <u class="defined-term"><u class="defined-term"><u class="defined-term">BM Unit</u></u></u> as a <u class="defined-term"><u class="defined-term">Baselined <u class="defined-term"><u class="defined-term">BM Unit</u></u></u></u> pursuant to <a href="https://bscdocs.elexon.co.uk/bsc/bsc-section-k-classification-and-registration-of-metering-systems-and-bm-units#section-k-3-3.3.3.3.2" data-target="paragraph" target="_blank">paragraph K3.3.2</a> or K8.3.2, the <u class="defined-term"><u class="defined-term">Lead <u class="defined-term">Party</u></u></u> shall inform <u class="defined-term"><u class="defined-term">SVAA</u></u> of any Event Day(s) within thirty days of their occurrence, in accordance with BSCP602.15.2 For the purposes of <a href="https://bscdocs.elexon.co.uk/bsc/bsc-section-s-supplier-volume-allocation#section-s-15-15.1" data-target="paragraph" target="_blank">paragraph 15.1</a>, an “Event Day” is a <u class="defined-term"><u class="defined-term"><u class="defined-term">Settlement</u> Day</u></u> where <u class="defined-term"><u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u> <u class="defined-term"><u class="defined-term">Meter</u></u>ed <u class="defined-term">Consumption</u></u> for a <u class="defined-term"><u class="defined-term"><u class="defined-term"><u class="defined-term"><u class="defined-term">Settlement</u> Period</u></u></u></u> relating to a <u class="defined-term"><u class="defined-term">Baselined <u class="defined-term"><u class="defined-term">MSID</u> Pair</u></u></u> or <u class="defined-term">Baselined <u class="defined-term">A<u class="defined-term"><u class="defined-term">MSID</u> Pair</u></u></u> have been affected by;</div></body></html>

<html><head></head><body><div data-id="section-s-15-15.3">15.3 <u class="defined-term"><u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u> <u class="defined-term"><u class="defined-term">Meter</u></u>ed <u class="defined-term">Consumption</u></u> on an Event Day shall not be included in calculating <u class="defined-term"><u class="defined-term"><u class="defined-term">MSID</u> Baseline Value</u></u>s or <u class="defined-term"><u class="defined-term">A<u class="defined-term"><u class="defined-term">MSID</u> Baseline Value</u></u></u>s save as provided in the <u class="defined-term"><u class="defined-term">Baselining Methodology</u> Document</u>.</div></body></html>

<div data-id="section-s-15">15 EVENT DAYS</div>

<div data-id="section-s-16">16 SUBMITTING SECONDARY BM UNIT WHOLESALE MARKET ACTIVITY NOTIFICATION</div>

<html><head></head><body><div data-id="section-s-17-17.1">17.1 Provision of <u class="defined-term"><u class="defined-term">Party</u></u>-Registered <u class="defined-term">A<u class="defined-term"><u class="defined-term"><u class="defined-term"><u class="defined-term">MSID</u> Pair</u> Delivered Volume</u></u></u>s and Demand (<u class="defined-term">Meter</u>ed) Volumes</div></body></html>

<html><head></head><body><div data-id="section-s-17-17.2">17.2 Data Collection for <u class="defined-term"><u class="defined-term">Party</u>-Registered <u class="defined-term">A<u class="defined-term">MSID</u></u> Pai</u>rs</div></body></html>

<html><head></head><body><div data-id="section-s-17">17 PARTY-REGISTERED <u class="defined-term">A<u class="defined-term">MSID</u></u> PAIR DELIVERED VOLUMES AND METERED VOLUMES</div></body></html>

<div data-id="amendment-record--section-s">AMENDMENT RECORD – SECTION S</div>

<div data-id="section-s">SECTION S: SUPPLIER VOLUME ALLOCATION</div>

CONTENTS

BSC Section S : Supplier Volume Allocation V52.0

Defined Terms

Cross-references