Nordergründe

Offshore GridOperationalDE111 MW155 kV32 km

Basic Information

Also known as:NOR-0-2, Offshore grid connection Nordergründe, Nordergründe offshore grid connection

Status:Operational

Capacity:111 MW

Transmission Model:TSO Build & Own

Owners:

TenneT(100%)

Project Company:

TenneT Offshore GmbH

Type:offshore grid

Website:w3.windmesse.de

Description:

The Nordergründe grid connection is a single-circuit HVAC export link built by and owned by the German transmission system operator TenneT to transmit power from the nearshore Nordergründe offshore wind park to the onshore transmission network. The system uses 155 kV alternating-current technology and has a transmission rating of c....

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

Route

	North Sea	Lower Saxony
Landfall	N/A	Inhausen, Lower Saxony, Germany
Grid Connection	—	Inhausen substation (220 kV)

North Sea

Landfall:N/A

Grid:—

Lower Saxony

Landfall:Inhausen, Lower Saxony, Germany

Grid:Inhausen substation (220 kV)

Financial

€36M

de.wikipedia.org

CAPEX:€36M

Source:de.wikipedia.org

Notes:

Approx. €36 million cited as the investment sum for the offshore Umspannplattform (steel construction) by BVT — pertains to the platform component of the transmission assets, not a total cost...

Cable Specifications

Nordergründe 155 kV export cable

Inhausen, Lower Saxony, Germany

1 × 155 kV HVAC · 111 MVA · 32 km

System:1 × 155 kV HVAC

Power rating:111 MVA

Route length:32 km(28 subsea · 4 land)

Burial depth:

Project documentation and planning materials describe conventional trenching/ploughing and jetting methods for the Nordergründe export cable in the coastal and nearshore area. In the coastal/territorial sea section the subsea cable...

Fibre optic:

Multiple project and contractor sources state the export cable system includes integrated fiber optics. The submarine three-core 155 kV AC export cable is described as having integrated fiber-optic (LWL) capacity...

Collector Stations

Nordergründe offshore transformer platform (Umspannplattform)

Nordergründe (North Sea, ~15 km NE of Wangerooge), Germany

111 MW 155 kV · offshore

Rating:111 MW · 155 kV

Location:offshore

Inhausen substation

Inhausen (substation), north of Wilhelmshaven, Lower Saxony, Germany, Germany

111 MW 155 kV · onshore

Rating:111 MW · 155 kV

Location:onshore