UNE-EN 62325-451-4:2017

Based on the European style market profile (IEC 62325-351), this part of IEC 62325-451

specifies a package for the settlement and reconciliation business process and the associated

document contextual model, assembly model and XML schema for use within European style

markets.

The relevant aggregate core components (ACCs) defined in IEC 62325-351 have been

contextualised into aggregated business information entities (ABIEs) to satisfy the

requirements of this business process. The contextualised ABIEs have been assembled into

the relevant document contextual models. Related assembly models and XML schema for the

exchange of information between market participants are automatically generated from the

assembled document contextual models.

This International Standard provides a uniform layout for the transmission of aggregated data

in order to settle the electricity market. It is however not the purpose of this International

Standard to define the formula to be taken into account to settle or reconcile a market. The

purpose of this standard is only to enable the information exchange necessary to carry out the

computation of settlement and reconciliation.

The settlement process or reconciliation process is the way to compute the final position of

each market participant as well as its imbalance amounts.

This new edition of IEC 62325-451-4 contains a new optional class and associations required

to comply with new business development for European style market. In particular, the

following changes have been made:

" To remove the attributes quantity and secondary quantity of the class Point ;

" To introduce the class Quantity from IEC 62351-351 UML package, with the following

attributes quantity as mandatory and quality as optional, and create two association

1..1 between the class Quantity and the class Point with the role In_Quantity and

Out_Quantity .

" To introduce the class Reason from IEC 62351-351 UML package, with the following

attributes code as mandatory and text as optional, and create an association 0..* from

the class Reason to the class Point with the role Reason .