Hamburg – Bavaria Line is a 500kV underground line with a length of 600km from Hamburg, Hamburg, Germany, to Bavaria, Bavaria, Germany.

The project, which is currently in the planning stage, is expected to be commissioned in 2025.


Hamburg – Bavaria Line is an underground line that will be operated by TenneT TSO. The line will carry direct current (AC) through double circuit cable.

The development of the Hamburg – Bavaria Line project has been approved by the Federal Network Agency.

Hamburg – Bavaria Line project development status

The construction works on the Hamburg – Bavaria Line project will be commenced in 2022 and commissioning is expected in 2025.

About TenneT TSO

TenneT TSO GmbH (TenneT TSO) formerly Transpower Stromubertragungs GmbH, a subsidiary of TenneT Holding B.V., is an electricity transmission system company that administrates and maintain national transmission grid. The company provides system services, power transmission, and facilitates a smoothly functioning of liquid and stable electricity market. It offers services such as constructs new lines, replacing old electricity connections and builds stations and connects new power plants to integrate wind, solar and other types of renewable energy. TenneT TSO provides services to governments, interest groups, suppliers and investors.


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.