The technology behind the Erex IT system was developed by Eress and more countries are using the system.
Countries using Erex technology can save between 15 and 30 percent of train power consumption.
The savings potential in Europe is approx. NOK 20 billion through the use of Erex.

Erex 2.0 has been shown for the first time to all seven partner countries in Eress.
The operators from Switzerland, Belgium, the Netherlands, Finland, Denmark, Sweden and Norway gathered at Bane NORs' headquarters
in Oslo to learn about the new features and differences between Erex Classic and Erex 2.0 and become familiar with all the new functionalities in the system.