User Requirement Specifications

The User Requirement Specifications set out the requirements for each of the Central Systems applications, the two Party Agent applications and the PARMS application (but not for the SVAA “minor” applications).

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BMRA User Requirements Specifications

This User Requirements Specification forms the input to the System Specification for the BMRA Service. The System Specification constitutes the definition of the computer system requirements to be built in support of the BMRA Services.

The objective of this document is to provide a complete specification of the requirements that the BMRA service must meet, from the users’ point of view. For this purpose, the “users” include Ofgem, the National Electricity Transmission System Operator (NETSO) as the balancing mechanism operator, BSCCo Ltd (as the client), other Service Providers, BSC Parties, and the BMRA Service Provider’s own operators.

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Central Data Collection Agent User Requirement Specifications

The Central Data Collection Agent is responsible for collecting, validating and aggregating data from metering systems registered by BSC Trading Parties. This document describes the detailed requirements of this service.

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Central Registration Agent User Requirement Specifications

The purpose of this document is to provide a complete specification of the set of business requirements that the CRA Service must satisfy for all of its various User types. These range from the BSC Parties, to BSCCo Ltd and its various Agents, including the operators of the CRA itself and the other BSC Services.

The Central Registration Agent (CRA) is one of the suite of seven services that support the operation of the Balancing and Settlement Code (BSC). The role of the CRA is to maintain a master register of information relating to the registration of participants, trading units and physical plant such as Boundary Points and interconnectors.

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Energy Contact Volume Aggregation Agent User Requirements Specifications

This defines the requirements for the Energy Contract Volume Aggregation Agent service of the NETA Central Systems. The requirements are described from the point of view of the ECVAA Service Operators.

The objective of this document is to provide a complete specification of the user requirements that the ECVAA service must meet. For this purpose, the “users” include BSCCo Ltd, Ofgem, National Grid as the balancing mechanism operator, other Service Providers, BSC Parties, and the ECVAA Service Provider’s own operators.

This refers to a “Supplier BM Unit”, which means a BM Unit with a BM Unit Type of ‘G’ or ‘S’, and to a “Secondary BM Unit”, which means a BM Unit registered by a Virtual Lead Party (VLP) with a BM Unit Type of ‘V’, as stated by the Lead Party on the ‘Registration of BM Unit’ form in BSCP15.

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Estimation of Annual Consumption System User Requirements Specifications

This specification describes the requirements for a system which uses daily profile coefficients determined by the Initial Settlement and Reconciliation Agency (ISRA) system to calculate estimates of annual consumption for individual settlement registers of metering systems.

This process comprises the Estimation of Annual Consumption (EAC/AA) system. The system will be nationally developed as part of risk management and Data Collectors will have the option of using it for calculating Estimates of Annual Consumption, Annualised Advances and Deemed Meter Advances.

The EAC/AA system must work within the defined context of the Trading Arrangements (TA) for the 1998 market, and therefore this specification includes details of the interfaces between the EAC/AA system and the other systems in the TA.

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