Großgartach Substation is a 380kV substation located in Großgartach, Baden-Württemberg, Germany.

The Großgartach Substation project’s construction has begun in 2020. The works are expected to be commissioned in 2021.


Großgartach Substation project, which is a new substation, will be operated by TransnetBW.

The designed voltage level of the substation is 380kV and the operating voltage level is 380kV.

The step-in voltage of the project is 380kV.

Großgartach Substation project development status

The development of the Großgartach Substation project was approved by Federal Network Agency in 2020. The project is expected to be commissioned in 2021.

Contractors involved in Großgartach Substation project

Siemens was appointed by TransnetBW to supply the equipment for the Großgartach Substation.

About TransnetBW

TransnetBW GmbH (TransnetBW) is a transmission system operator that controls and manages transmission of electricity. The company operates electricity transmission grid. It controls and monitors the energy flows through the grid and performs maintenance and network planning and development activities. TransnetBW offers grid development and network development services. The company caters its services power plant operators, distribution system operators, electricity traders, and operators of power stations and distribution grids across the world. It partners with network operators in France, Austria and Switzerland.


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.