Tumbri Substation is a 400kV substation located in Tumbri, Osijek-Baranja, Croatia.

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


Tumbri Substation project, which is an upgrade substation, will be operated by Croatian Transmission System Operator.

The designed voltage level of the substation is 400/110/30kV and the operating voltage level is 400/110/30kV.

The step-in voltage of the project is 400kV and the step-out voltage is 30kV. Upon completion, the substation will have a capacity of 150MVA.

How well do you really know your competitors?

Access the most comprehensive Company Profiles on the market, powered by GlobalData. Save hours of research. Gain competitive edge.

Company Profile – free sample

Thank you!

Your download email will arrive shortly

Not ready to buy yet? Download a free sample

We are confident about the unique quality of our Company Profiles. However, we want you to make the most beneficial decision for your business, so we offer a free sample that you can download by submitting the below form

By GlobalData

Tumbri Substation project development status

The development of the Tumbri Substation project was approved by Croatian Energy Regulatory Agency in 2019. The project is expected to be commissioned in 2021.


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.