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Transmission network characteristic

In order to ensure improved operation of the 330/110 kV substations and distribution points the substations have been divided into 13 substation groups according to their geographical location: Salaspils, Krustpils, Daugavpils, Viskaļi (Jelgava), Brocēni, Grobiņa, Valmiera, Gulbene, Rēzekne, Sloka, Ventspils, Rīga – Right Bank and Left Bank with one master substation in each group.

In order to ensure operation of 330 kV and 110 kV lines the Line Service has been divided into 6 sections: Rīga section, Krustpils section, Daugavpils section, Brocēni section, Grobiņa section and Valmiera section.