High‑voltage grid operator TenneT invested more in expanding its electricity network last year. The company spent over €14.8 billion on projects in the Netherlands and Germany, including €4.9 billion in the Netherlands. Despite this growth, TenneT warns that parts of the expansion are facing delays.
Around 60 percent of Dutch onshore projects are running an average of 2.5 years behind schedule, the operator said in its annual report. TenneT attributes the delays mainly to lengthy permitting procedures and complex location and land acquisition processes.
The company’s revenue rose to €9.1 billion in 2025, an increase of €671 million compared with the previous year. Profit before tax and other items grew by about €1 billion to more than €2.7 billion.
In 2024, TenneT invested more than €10.6 billion in grid expansion. It plans to invest €43 billion in Dutch onshore and offshore infrastructure by 2029. According to the operator, a package of measures introduced last year should speed up expansion and could cut project lead times by about half.
The company finished the Hollandse Kust (West Beta) wind farm connection five months early, along with other projects.. TenneT also completed two major upgrades in Zeeland: an underground link between Goes and Westdorpe and an above‑ground connection between Borssele and Rilland.
The company also reported progress on developments involving TenneT Germany. In September, three private investors agreed to invest up to €9.5 billion in the project. Last month, TenneT announced that the German government would invest €3.3 billion in the German branch through the state‑owned Kreditanstalt für Wiederaufbau. Both transactions are expected to be completed by the end of the first half of this year.
The company finished the Hollandse Kust (West Beta) wind farm connection five months early, along with other projects.
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