BSC Simple Guides
The Balancing and Settlement Code (BSC) is a lengthy legal document. The following guides provide a good starting point for understanding what each part of the BSC covers.
Section S – Supplier Volume Allocation
Section S and its associated Annexes set out the rules by which Supplier BM Unit Metered Volumes are determined from a combination of Half Hourly and Non Half Hourly Metering Systems. It describes the obligations on Suppliers to provide data and to ensure that Supplier Agents (i.e. certain Party Agents - principally Meter Operator Agents (MOAs), Half Hourly Data Collectors (HHDCs), Half Hourly Data Aggregators (HHDAs), Non Half Hourly Data Collectors (NHHDCs) and Non Half Hourly Data Aggregators (NHHDAs)) undertake the requirements defined for them.
Section S: Annex S-1: Performance Levels and Supplier Charges
Annex S-1 defines Performance Levels or Serials required of Suppliers and their Supplier Agents, and the Menu of Supplier Charges that specifies charges to apply should each Supplier or its Supplier Agents deviate from these Performance Levels. The arrangements for the payment of such charges are also defined.
Section T: Settlement and Trading Charges
Section T sets out how Trading Charges for each Trading Party and National Grid are determined; the data required in order to calculate the Trading Charges; and the processes undertaken by the Settlement Administration Agent (SAA) in connection with the determination of the Trading Charges.
Section U: Provisions Relating to Settlement
Section U of the BSC sets out general obligations of Parties and BSC Agents relating to data and information; and provisions relating to Settlement. References in Section U to Parties do not include ELEXON or ELEXON Clear.
Section V: Reporting
Section V of the BSC sets out details of the Balancing Mechanism Reporting Service (BMRS) BMRS; and other reporting requirements from BSC Agents to Parties, the Authority and/or for public reporting.
Section W: Trading Disputes
Section W covers arrangements for the resolution of Trading Disputes under the BSC; arrangements for the establishment and operation of the Trading Disputes Committee (TDC); actions to be taken upon resolution of a Trading Dispute; and the effect of resolution of a Trading Dispute.
Section X – Definitions and Interpretations
Section X and its Annexes contain definitions of the terms used in the BSC and an interpretation of some of the conventions used within the BSC. It comprises a main body, Section X which provides an interpretation of the legal standards as well as other terms and language used in the BSC, Annex X-1, which includes a General Glossary, and Annex X-2, which is a Technical Glossary.
Section X, Annex X-1 – General Glossary
Annex X-1 contains General Definitions: in the Code and in each Code Subsidiary Document, unless the context otherwise requires and subject to any express provisions to the contrary, the words and expressions set out in Annex X-1 shall bear the respective meanings therein set out.