📋 Tender Overview
Scope of Work:
Construction of DolWin4 Offshore Grid Connection in the North Sea off the coast of Lower Saxony.
Description:
The planning approval was granted by the Lower Saxony State Authority for Road and Transport and concerns a 34-km (21.13mi) section in the territorial sea, drilling and cable installation from the coast to the 12 sea-mile limit. Amprion will use the horizontal directional drilling (HDD) method to make 12 holes in the officially determined period between mid-July and end-September. The first four holes will be made this summer, marking the start of construction works on the DolWin4 links.
The project will connect offshore wind parks in the North Sea and are due to become operational in 2028. It include the installation of 60 km and 125 km of underwater cables as well as 155 km of underground cables from the North Sea coast to the substation in the town of Lingen, Lower Saxony, where they will be connected to the grid. The DolWin4 connection is meant to replace the Emsland nuclear power plant in the region which will be switched off at the end of 2022.
Previous Events:
July 2022- Siemens Energy AG and Dragados Offshore have been selected to build the converter stations at sea for the DolWin4 offshore grid connections in the North Sea off the German coast.
July 2022- Amprion kicks off construction of DolWin4 offshore links.
January 2022-Amprion GmbH has completed the planning approval procedure for the DolWin4 offshore grid connections and plans to start construction works in the North Sea off the coast of Lower Saxony in the summer.
