Case studies

Elektro Gorenjska builds CIM-based GIS with UT for ArcGIS

Elektro Gorenjska builds CIM-based GIS with UT for ArcGIS

Elektro Gorenjska supplies electricity to the almost 90,000 customers in the North-western part of Slovenia. It is one of the five distribution system operators in Slovenia.

Since their current, proprietary system to document the location of their assets, did not meet their business and IT requirements anymore, Elektro Gorenjska decided to replace it. The biggest shortcomings of the previous system were its missing ability to integrate with other IT systems, the fact that data were stored in files instead of a single database, that it did not comply with international standards and that support was below expectations. AED-SICAD business partner GDi Ljubljana won the contract to implement a cutting-edge GIS for utilities based on the ArcGIS and UT for ArcGIS platform with strong focus on CIM interoperability.

During the migration from the file-based previous system, GDi actually merged several data sources into the new system, integrating also data from their asset system Microsoft Dynamics. To update the data in the new GIS, the Elektro Gorenjska surveying teams collect the data and the GIS experts import the GPS data into UT for ArcGIS. There, the actual assets are then constructed using the UT for ArcGIS edit workflows.

A core element of the GIS introduction at Elektro Gorenjska was actually the introduction of a CIM service bus and CIM repository and messaging system according to IEC 61968-100. The new GIS system is sending and receiving data in incremental deliveries data to/from the company CIM ESB service. The ESB service is then distributing messages to other systems, for example MS Dynamics NAV. Elektro Gorenjska plans to connect other systems to the same ESB in the near future. In this way a central CIM-based repository will be created, populated and used by several IT/OT systems, which will have three main advantages: (1) All data describing the company’s assets are stored in one central CIM-based repository; (2) in case one IT system fails, the interface from another IT to this IT system is (on short term) not affected, since data are cached in the central CIM repository and (3) all interfaces are standards based.

GDi built the push and pull CIM interface for UT for ArcGIS to the CIM ESB with support from the Milan Vidmar Electric Power Research Institute (EIMV), Ljubljana.

Using this CIM-based integration, for example data are exchanged between the GIS and the SCADA: The SCADA receives from the GIS the complete network model in the form of a MV ortho-schematic map, and the GIS in return receives switch status from the SCADA. In the future, further uses cases will be implemented. Also, the asset management system Microsoft Dynamics has been integrated with the GIS through the CIM standard. In this case, MS Dynamics reads only certain asset data from the GIS.

As a web client, GDi implemented “UT JSC Enterprise and WebGEN” from AED-SICAD subsidiary Baral. Besides the typical tasks of web-based and map-centric information dissemination of all assets, a very important task of the web system is the complete management of the maintenance process, which was done before in MS Dynamics. Due to the strong focus on location in the maintenance process, it was decided to place this process into the web GIS. Furthermore, the remotely controlled protection devices (relays) are also captured via the web GIS, using the WebGEN module.

Mr. Matej Pintar, the IT director, summarizes that “he sees the main added value of the new GIS it its openness, the central database representing the single source of truth on asset location and the standardized, CIM based interfaces to the other IT systems”.

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