1.0.0

1.47

This Annex sets out the process for staggered implementation and provides the details of when different parts of the DIP Rules will be implemented in accordance with the DIP Transition Plan.

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.

24.0

This is the Service Description for the Energy Contract Volume Aggregation Agent (ECVAA) appointed by ELEXON to aggregate energy contract volumes under the BSC.

This document describes the requirements for a system which supports the Initial volume allocation and subsequent reconciliation between Suppliers, by adjusting Suppliers’ energy volumes as meter data becomes available to replace estimates used in Initial

25.0

This document describes the requirements for a system which supports the Initial volume allocation and subsequent reconciliation between Suppliers, by adjusting Suppliers’ energy volumes as meter data becomes available to replace estimates used in Initial Settlement. The SVAA ISRA system must work within the defined context of the New Electricity Trading Arrangements , therefore this specification includes details of the interfaces between the Initial Settlement and Reconciliation Agency system and the other systems in NETA.

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User Requirements Specifications

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284064

Central Registration Agent (CRA)

Energy Contract Volume Aggregation Agent (ECVAA) Service Description

FutureLive

IRN

Inactive copy

Mammoth Supplier Volume Allocation Agency

Supplier Volume Allocation Agency

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