Obersielach Substation is a 380kV substation located in Obersielach, Obersielach, Austria.

The Obersielach Substation project’s construction has begun in 2019. The works are expected to be commissioned in 2021.


Obersielach Substation project, which is an upgrade substation, will be operated by Austrian Power Grid.

The designed voltage level of the substation is 380/220kV and the operating voltage level is 380/220kV.

The step-in voltage of the project is 380kV and the step-out voltage is 220kV. Upon completion, the substation will have a capacity of 550MVA.

Obersielach Substation project development status

The development of the Obersielach Substation project was approved by Energie Control Austria in 2019. The project is expected to be commissioned in 2021.

About Austrian Power Grid

Austrian Power Grid AG (APG) a subsidiary of Verbund AG is a power company that provides transmission grid operation service. The company performs power exchange, inside and outside Austria between producers and consumers. Its projects include 380-kV-Salzburg line, 380 kV line St. Peter – Staatsgrenze, and 380 kV Line at Dürnrohr. APG’s 380-kV-Salzburg line project improves security of supply to the city of Salzburg. It owns power transmission lines and substations. It also provides supply of electricity in Vienna. APG is headquartered in Vienna, Austria.


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.