"Sample Settlement Period":	has the meaning given to that term in paragraph 7.2 of Annex T-2;
"Sandbox Applicant":	means any person making a BSC Sandbox Application pursuant to Section H10.2.3;
"Sandbox Report":	has the meaning given to that term in Section H10.2.4;
"Sandbox Send Back Direction":	means a direction issued by the Authority pursuant to paragraph 10.3.1 of Section H;
"Sandbox Send Back Process":	means, in respect of a proposed BSC Derogation, the process determined in accordance with paragraph 10.3 of Section H;
"Scheme Account":	has the meaning given to that term in C15.2;
"Scheme Amounts":	has the meaning given to that term in Section C15.2;
"Scheme Framework Agreement":	has the meaning given to that term in the Implementation Scheme;
"Scheme Functions":	has the meaning given to that term in Section C15.2;
"Scheme Functions Agreement":	has the meaning given to that term in Section C15.2;
"Scheme Regulations":	has the meaning given to that term in Section C15.2;
"Scheme Rules":	has the meaning given to that term in Section C15.2;
"Scottish Distribution Company":	means Scottish Hydro-Electric Power Distribution Limited and/or SP Transmission & Distribution Ltd and Scottish Distribution Companies means both of those companies;
"Scottish Distribution Licensee":	means the holder of a Distribution Licence in relation to the distribution system as the term "Distribution System" is defined in and for the purposes of the SAS;
"Scottish Trading Parties":	has the meaning given to that term in Section E2.5.3;
"SCR Exempt Modification Proposal":	has the meaning given to that term in Section F5.2.1;
"SCR Guidance":	means a document of that title created and maintained by the Authority to provide guidance to interested parties on the conduct of a Significant Code Review by the Authority;
"SCR Modification Proposal":	means a Modification Proposal raised by the NETSO pursuant to a direction from the Authority arising from a Significant Code Review in accordance with Section F5.3.1 or by the Authority in accordance with Section F5.3.1A or Section F5.1.3(aa);
"SCR Subsumed Modification Proposal":	has the meaning given to that term in Section F5.2.5;
"SCR Suitability Assessment Report":	means the report submitted by the Panel in accordance with Section F5.2.2;
"SCR Suitability Assessment":	means the Panel’s assessment of whether a Modification Proposal falls within the scope of a Significant Code Review;
"SCR Suspended Modification Proposal":	has the meaning given to that term in Section F5.4.3;
"Secondary BM Unit Monthly Charge":	has the meaning given to that term in paragraph 3.1 of Annex D-3;
"Secondary BM Unit":	means a unit established and registered (or to be established and registered), in accordance with Section K8, by a Virtual Lead or, in respect of Trading Secondary BM Units, by a Virtual Trading Party;
"Secondary Supplier":	means, in connection with a Shared SVA Meter Arrangement, a Supplier which is not the Primary Supplier;
"Secretary of State":	has the meaning given to that term in the Act;
"Self-Governance Criteria":	means, a proposal that, if implemented: (a) does not involve any amendments whether in whole or in part to the EBGL Article 18 terms and conditions, except to the extent required to correct an error in the EBGL Article 18 terms and conditions or as a result of a factual change, including but not limited to: (i) correcting minor typographical errors; (ii) correcting formatting and consistency errors, such as paragraph numbering; or (iii) updating out of date references to other documents or paragraphs; (b) does not involve any amendments whether in whole or in part to the DIP Supplement and/or the Code Embedded DIP Rules, except to the extent required to correct an error or as a result of a factual change, including but not limited to: (i) correcting minor typographical errors; (ii) correcting formatting and consistency errors, such as paragraph numbering; or (iii) updating out of date references to other documents or paragraphs; (c) is unlikely to have a material effect on: (i) existing or future electricity consumers; and (ii) competition in the generation, distribution, or supply of electricity or any commercial activities connected with the generation, distribution, or supply of electricity; and (iii) the operation of the national electricity transmission system; and (iv) matters relating to sustainable development, safety or security of supply, or the management of market or network emergencies; and (v) the Code’s governance procedures or modification procedures, and (d) is unlikely to discriminate between different classes of Parties;
"Self-Governance Implementation Date":	means in relation to an Approved Self-Governance Modification Proposal, the date with effect from which the Code is to be given effect as modified by that modification, as such date may be extended pursuant to Section F2.11.7;
"Self-Governance Modification Proposal":	has the meaning given to that term in Section F6.1.1;
"Self-Governance Modification Report":	means in relation to a Proposed Self-Governance Modification (and any associated Alternative Self-Governance Modification), the report prepared or to be prepared in accordance with Section F6.3.2;
"Self-Governance Statement":	means a statement made by the Panel and submitted to the Authority: (a) confirming that, in its opinion, the Self-Governance Criteria are met and the Modification Proposal is suitable for the self-governance route; and (b) providing a detailed explanation of the Panel’s reasons for that opinion;
"Send Back Direction":	means a direction issued by the Authority pursuant to paragraph 2.7A.1 of Section F;
"Send Back Process":	means, in respect of a Modification Proposal, the process determined in accordance with paragraph 2.7A of Section F;
"Serial":	means any one of the standards of Supplier performance set out in any of the Menu of Supplier Charges;
"Settlement Account":	means, in relation to a Trading Party or the NETSO, an account maintained at a Settlement Bank and designated in accordance with Section N;
"Settlement Administration Agent" or "SAA":	means the BSC Agent for Settlement Administration in accordance with Section E;
"Settlement Agreement for Scotland" or "SAS":	means the Settlement Agreement for Scotland, including all Service Requirements and Market Procedures (as therein defined) made under it;
"Settlement Bank":	means a bank which: (i) has its head office or a branch situated in the United Kingdom and which holds accounts denominated in the lawful currency of the United Kingdom at such office or branch; (ii) is a settlement member of CHAPS or is a CHAPS participant by virtue of an agency agreement with a settlement member; and (iii) is either:- (a) a European institution under the Banking Co-ordination (Second Council Directive) Regulations 1992; or (b) an authorised institution under the Banking Act 1987;
"Settlement Calendar":	means, in relation to a BSC Year, the calendar prepared and issued by the SAA in accordance with Section U2.4;
"Settlement Day":	means the period from 00:00 hours to 24:00 hours on each day;
"Settlement Error":	means an error as referred to in Section W 1.3.1(a)(i) or (ii);
"Settlement Exchange Rate":	means the exchange rate recorded by the BMRS in accordance with Section V2.1.2;
"Settlement Expected Volume":	has meaning given to that term in paragraph 7.3.5 of Annex S-2;
"Settlement Payment Date":	means, in respect of a Settlement Day, the Payment Date in relation to an Initial Settlement Run;
"Settlement Period":	is defined in Annex X-2;
"Settlement Risk":	has the meaning given to that term in Section Z5.1.1(a);
"Settlement Run":	means a determination (in accordance with Section T), in relation to a Settlement Day, of amounts giving rise, on the part of Trading Parties and the NETSO, to a liability to pay to or a right to be paid by the BSC Clearer amounts in respect of Trading Charges in each Settlement Period in that Settlement Day, and of the net credit or debit in respect of such amounts; and where the context requires a reference to a Settlement Run includes the data and information produced by the SAA following such a determination and delivered to the FAA in accordance with Section N;
"Settlement":	means the determination and settlement of amounts payable in respect of Trading Charges (including Reconciliation Charges) in accordance with the Code (including where the context admits Volume Allocation);
"Shared SVA Meter Arrangement":	means an arrangement in accordance with Section K2.5.1 under which there is a single SVA Metering System, comprising either Half Hourly Metering Equipment or Advanced Segment Metering Equipment, for Exports or (as the case may be) Imports for which one or more Suppliers are responsible;
"Shared SVA Metering System":	means a SVA Metering System which is for the time being the subject of a Shared SVA Meter Arrangement;
"Short Term Operating Reserve" or "STOR":	means the balancing service procured by the NETSO as defined in the Procurement Guidelines;
"Shortfall Amount":	has the meaning given to that term in Section N9.2.3;
"Shortfall Creditor":	has the meaning given to that term in Section N9.2.2;
"Significant Change of Demand":	means the point at which, in respect of any Metering System, there is a change of Customer or change in activity at the Metering System such that the Registrant is of the reasonable opinion that such change shall result in the average of the maximum monthly electrical demand in the three months of highest maximum demand in the next twelve months not exceeding 100 kW;
"Significant Code Review Conclusions":	means the document published by the Authority containing its conclusions in respect of a Significant Code Review;
"Significant Code Review Phase":	has the meaning given to that term in the ESO Licence;
"Significant Code Review":	means a review of one or more matters which the Authority considers likely to: (a) relate to the Code (either on its own or in conjunction with other Industry Code(s)); and (b) be of particular significance in relation to its principal objective and/or general duties (under section 3A of the Act), statutory functions and/or relevant obligations arising under EU law;
"Single Intraday Coupling":	has the meaning given to that term in Commission Regulation (EU) 2015/1222 of 24th July 2015 establishing a guideline on capacity allocation and congestion management (CACM);
"Single Site":	means: a "Single Site" as defined in Schedule 32 of the Distribution Connection and Use of System Agreement; or one or more Domestic Premises;
"Small Power Station":	has the meaning given to that term in the Grid Code;
"Small Scale Third Party Generating Plant Limit":	has the meaning given to that term in Table X-2 of Annex X-2;
"Small Scale Third Party Generating Plant":	means Third Party Generating Plant connected to a Distribution System at a single Boundary Point at which the aggregate maximum generation capacity (measured at the Boundary Point) of all Third Party Generating Plant so connected does not exceed the Small Scale Third Party Generating Plant Limit;
"Smart Data Service":	provided by a Smart Data Service Agent to retrieve, validate and process metering data in relation to SVA Metering Equipment as described in Section S;
"Smart Data Service Agent":	means the Party Agent who is Qualified pursuant to Section J:
"Smart Meter Data Retriever (SMDR)":	has the meaning given to the term Meter Data Retriever (MDR) under the Smart Energy Code;
"Smart Metering Equipment":	means an electricity Metering Asset of a Meter Type which is compliant with the Smart Metering Equipment Technical Specifications;
"Smart Market Segment":	means the market segment comprised of Smart Segment Metering Systems;
"Smart Metering Equipment Technical Specifications (SMETS)":	means the document of that name as designated by the Secretary of State for the purposes of the Supply Licence
“Smart Segment Metering Equipment”	means SVA Metering Equipment which is or is to be comprised in an Smart Segment Metering System;
"Smart Segment Metering System":	means a SVA Metering System operating under the MHHS Arrangements which is not an Advanced Segment Metering System
"Sole Trading Unit":	means a Trading Unit comprising a single BM Unit as described in Section K4.1.4;
"SP04 Completion Date":	has the meaning given to that term in paragraph 3.5.3 of Annex S-1;
"SP04 Exclusion Period":	has the meaning given to that term in paragraph 3.5.2 of Annex S-1;
"Specified Assets and Equipment":	has the meaning given to that term in Annex K-2;
"Specified BSC Charges":	has the meaning given to that term in Section D3.1;
"Specified SVA Charges":	has the meaning given to that term in Section D3.1;
"Stage":	shall have the meaning given to that term in Procedure for Network Gas Supply Emergency issued by National Grid Gas plc;
"Standard Change":	means a pre-authorised type of change designed for routine changes as set out in BSCP40
"Standard Change Criteria":	Means the following set of conditions that must be met in order for a change to be pre-authorised and classified as a Standard Change: Low risk - A change is considered low risk when it has a minimal or negligible chance of causing adverse effects to Settlement and the IT environment or the business processes it supports for both BSC central systems and participants. The consequence of failure, if it occurs, is minimal. 1. Repeatable - This relates to the ability to implement the change consistently over and over again without variations in the process or outcome. 2. For a change to be considered standard, it must be repeatable. 3. This means that the same steps are followed each time. Predictable – This pertains to the expected outcome of implementing the change. A predictable change is one where the outcome is known, based on the previous implementation or through testing. There should not be any surprises when the change is made;
"Standard Settlement Configuration":	is defined in Annex X-2;
"Static LoLP Function Methodology":	means the method for determining a static Loss of Load Probability function as set out in the Loss of Load Probability Calculation Statement;
"Sterling" or "£":	means the lawful currency of the United Kingdom for the time being and from time to time;
"STOR Availability Window":	means the time during which providers of STOR are required to be available;
"Storage BM Unit":	means a BM Unit: (a) where the Metering System associated with that BM Unit is registered in CMRS; and (b) which is comprised solely of: (i) Electricity Storage Module(s), as that term is defined in the Grid Code; or (ii) Pumped Storage Plant;
"Submission Deadline":	means for any Settlement Period the spot time at the start of that Settlement Period;
"Submitted Expected Volume":	means the Lead Party’s best estimate, commensurate to good Industry practice of the total expected quantities of Active Energy Imported and/or Exported from or to all MSID Pairs and AMSID Pairs registered in the BM Unit that are not Baselined MSID Pairs or Baselined AMSID Pairs;
"Subsidiary Energy Account":	means, in relation to a BM Unit, the corresponding Energy Account of a Subsidiary Party;
"Subsidiary Party":	means, in relation to a BM Unit, a Contract Trading Party (not being the Lead Party) to whose Energy Account a quantity of Active Energy or (as the case may be) percentage of the BM Unit Metered Volume is to be allocated pursuant to a Metered Volume Reallocation Notification, or nullified pursuant to a Volume Notification Nullification Request; or in relation to a particular Metered Volume Reallocation Notification or a particular Volume Notification Nullification Request, the relevant such Contract Trading Party;
"Subsidiary":	has the meaning given to that term in section 1159 of the Companies Act 2006;
"Supplier Agent":	has the meaning given to that term in Section S1.2.2;
"Supplier BM Unit":	means a BM Unit registered or to be registered by or allocated or to be allocated to a Supplier pursuant to Section K3.3;
"Supplier BM Unit Chargeable Demand":	has the meaning given to that term in Section T8.
"Supplier Compensation Reference Price":	means that the price to be determined in accordance with Section T1.16;
"Supplier Compensation Reference Price Methodology Document"	has the meaning given to that term in Section T1.16.2;
"Supplier Deemed Take":	is defined in Annex X-2;
"Supplier Force Majeure":	has the meaning given to that term in Section S3.3.1;
"Supplier ID":	has the meaning given to that term in paragraph 1.3.1 of Section S;
"Supplier Market Share Data":	means the report described in paragraph 4.2.10 of Section V;
"Supplier Meter Registration Agent" or "SMRA":	means a Licensed Distribution System Operator acting in its capacity as the provider of a Supplier Meter Registration Service;
"Supplier Meter Registration Service" or "SMRS":	means the service provided or to be provided by a Licensed Distribution System Operator for the registration of Metering Systems at Boundary Points on its Distribution System(s) and its Associated Distribution System(s) (if any);
"Supplier of Last Resort":	has the meaning given to that term in Section K7.1.1;
"Supplier Quarterly Volume Report":	means the Quarterly Supplier Energy Volume and Quarterly Metering Systems by Supplier for all Suppliers determined in accordance with paragraphs 9A.1.4 and 9A.1.5 of Annex S-2;
"Supplier Volume Allocation Agent" or "SVAA":	means the BSC Agent for Supplier Volume Allocation in accordance with Section E;
"Supplier Volume Allocation Rules":	means the rules contained in Annex S-2 (including any BSC Procedures and Party Service Lines referred to in that Annex);
"Supplier Volume Allocation System":	the BSC Systems used by the SVAA for the purposes of Supplier Volume Allocation pursuant to Section S;
"Supplier Volume Allocation":	means the determination of quantities of Active Energy to be taken into account for the purposes of Settlement in respect of Supplier BM Units;
"Supplier Volume Reporting Group":	means the grouping levels used to report Quarterly Supplier Energy Volume and Quarterly Metering Systems by Supplier for the purposes of the Supplier Market Share Data, and which has the values listed in Table X-9;
"Supplier":	means a Party which holds a Supply Licence and is responsible for Exports and/or Imports for which such Party is required, by virtue of Section K, to register one or more SVA Metering Systems;
"Supplier’s Monthly Cap":	means, in relation to a Supplier in a GSP Group, the cap on its liability to pay charges in respect of any month determined in accordance with Annex S-1;
"Supply Licence":	means a licence for the supply of electricity granted under section 6 of the Act, as modified from time to time;

CONTENTS

BSC Section X-1: General Glossary V131.0

Defined Terms

Cross-references