Anneberg – Skanstull Line is a 400kV underground line with a length of 13.4km from Anneberg, Halland, Sweden, to Skanstull, Stockholm, Sweden.

The project, which is currently under construction, is expected to be commissioned in 2026.


Anneberg – Skanstull Line is an underground line that will be operated by Svenska Kraftnat. The line will carry alternating current (AC) through double circuit cable.

Approximately $102.3m was financed by the authorities to undertake the construction works of the project.

The development of the Anneberg – Skanstull Line project has been approved by the Swedish Energy Markets Inspectorate.

Anneberg – Skanstull Line project development status

The construction works on the Anneberg – Skanstull Line project were commenced in 2019 and commissioning is expected in 2026.

Contractors involved

HOCHTIEF Infrastructure and Implenia was appointed by Svenska Kraftnat to undertake the construction works on the Anneberg – Skanstull Line project.

About Svenska Kraftnat

Svenska Kraftnat (Svenska) is a state-owned electric utility. It develops, operates, and maintains the national transmission system in Sweden. The company balances production and consumption of electricity system in the country. It also carries out electricity contingency planning and is financed through government funding. Svenska conducts research and development to increase the transmission network’s operational reliability, efficiency and sustainability. The company constructs communications network for telecommunications and data for maintaining operational reliability in the grid. It has offices in Sundsvall and Solleftea. Svenska is headquartered in Sundbyberg, Sweden.


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.