STOCKHOLM, SWEDEN - Swedish electricity transmission system operator Svenska kraftnät is implementing a major modernization project of Stockholm's electricity network with an aim to strengthen and renew its electric grid and secure future electricity needs in the city.

The project called Stockholms Ström consists of over 50 sub-projects that will be implemented over next 20 years, including a new cable tunnel under the city, voltage upgrade, construction of new and replacement of old substations.

Currently under way is a $65 million project which will see a new 400-kV GIS substation installed to connect the cables from Anneberg and feed the existing 220-kV substation in Skanstull.

The substation upgrade will be performed by contractor Linxon, with ABB as the main electrical equipment supplier.

Source: Svenska kraftnät