Mongstad – Kollsnes Line is a 420kV part oh/ug line with a length of 30km from Mongstad, Vestland, Norway, to Kollsnes, Vestland, Norway.

Construction works on the Mongstad – Kollsnes Line started in 2015 and the project was commissioned in 2016.


The Mongstad – Kollsnes Line, which is a part oh/ug line, is being operated by Statnett SF. The Mongstad – Kollsnes Line is a new line. The line carries alternating current (AC) through double circuit cable.

Mongstad – Kollsnes Line project development status

The development of the Mongstad – Kollsnes Line project was approved by Norwegian Water Resources and Energy Directorate in 2015 and the project works were completed in 2016.

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Contractors involved

Nexans Norway was appointed by Statnett SF to supply the cables for executing the 420kV Mongstad – Kollsnes Line.

About Statnett SF

Statnett SF (Statnett) is an energy utility company that transmits and distributes electricity through its grid infrastructure. The company operates, develop, maintain and monitor transmission grid, cables and power lines of the Norwegian energy system. It has a communication network of optical fibre to monitor and control from its one national control center and three regional centers in Norway facilities. The company has a presence in Sweden, Finland, Russia, Denmark and the Netherlands. Statnett serves residential, industrial and commercial consumers in Norway. Statnett is headquartered in Raipas, Norway.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.