Uniper and TenneT to Develop Power Station and Network Node in Großkrotzenburg, Germany
Uniper SE and TenneT BV are set to develop a new central network node in Großkrotzenburg, Germany, to meet the rising power demand from data centers in the Frankfurt area, with operations anticipated to commence by 2030. The project involves Uniper selling part of a Staudinger power plant plot to TenneT for a new 380-kilovolt switchyard, enhancing electricity transmission capacity and supporting the integration of a hydrogen-ready gas turbine plant. Additionally, TenneT plans to replace an existing overhead line to increase transmission capacity by over 50% by September 2025.
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Uniper SE and TenneT BV will develop a new central network node in Großkrotzenburg, Germany, to address data center-driven power demand in the Frankfurt area, with operations expected to start by 2030. Uniper will sell part of a Staudinger power plant plot to TenneT for a new 380-kilovolt switchyard, enhancing capacity for customer connections in the Rhine-Main area.
The project will strengthen electricity transmission to Frankfurt and neighboring regions, support Uniper's transformation projects, and facilitate the connection of a hydrogen-ready gas turbine plant. In September 2025, TenneT submitted plans for a 380 kV overhead line between Bommersheim and Eschborn to replace an existing line, aiming to increase transmission capacity by over 50%. Additional plans include building another extra-high-voltage line by early 2026.
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