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Nordic Balance Settlement (NBS)

The Nordic Balance Settlement (NBS) is run by eSett, while the Nordic Market Expert Group (NMEG) is responsible for the development and maintenance of the Business Requirement Specifications (BRS) and User Guides for the NBS processes. These documents are published below.

About the Business Requirement Specifications (BRS):

The focus of the BRSs for the Nordic Balancing System is the business aspects of the document exchanges. The basis for the documents are the ENTSO-E and ebIX® Implementation Guides and BRSs, and the Harmonised Electricity Market Role Model from ENTSO-E, ebIX® and EFET. These documents are published at ebIX® and ENTSO-E web sites.

There are three BRSs shown below:

  • The BRS for the Nordic Balance Settlement (NBS) is detailing the document exchanges between the market actors in the retail market and NBS. 
  • The BRS for the Nordic Balance Settlement (NBS), TSO/MO communication is detailing the document exchanges between the TSOs and Market Operators, and NBS.
  • The BRS for the Nordic Balance Settlement (NBS), for master data is detailing exchanges of master data between the market actors, TSOs and Market Operators, and NBS.

About the User Guides for XML documents:

The User Guides for XML documents for Nordic Balance Settlement are detailed User Guides for the ENTSO-E, ebIX® and Nordic XML documents used in the Nordic Balancing System. The focus of the documents are the technical aspects of the documents to be exchanged. More information regarding Nordic Balance Settlement can be found at

About eSett communication guidelines and data packages:

The eSett communication guidelines and data packages contain:

  • Information on how to establish a connection to Basse imbalance settlement system.
  • Full list of Data packages.
  • WSDL examples related to Information Service and Messaging Service.
  • Generic- and Specific Format specifications.


BRSs, User Guides and xml schemas

Document NameVersionTypeDate Added
CIM based Ediel documentsZIP20180604DOWNLOAD
Ediel extended Activation Document v1r0 xsd for the NBS BRS2r4AZIP20240321DOWNLOAD
NBS User Guide2r4APDF20240321DOWNLOAD
Complete NBS doc NEWZIP20240701DOWNLOAD
ENTSO-E based Ediel documents NBSZIP20240612DOWNLOAD
NBS BRS for Master Data
(draft NMEG CIM master data xml schemas are published at common-ediel-documents)
NBS User Guide Master Data2r3APDF20231208DOWNLOAD
The NBS BRS for TSO-MO has been merged with the NBS BRS, see above.


Document NameVersionTypeDate Added
Bilateral trades confirmation reports - examplesZIP20150828DOWNLOAD

Other documents

Document NameVersionTypeDate Added
Differences in NBS implementations between countriesPDF20160204DOWNLOAD
Possible future updates of NBS XML schemasPDF20161027DOWNLOAD