BorWin1

Offshore GridOperationalDE400 MW170 kV201 km

Basic Information

Also known as:BorWin 1, HVDC BorWin1, BorWin Alpha, NOR-6-1

Status:Operational

Capacity:400 MW

Transmission Model:TSO Build & Own

Owners:

TenneT(100%)

Project Company:

TenneT Offshore 1. Beteiligungsgesellschaft mbH (TenneT / TOBW)

Type:offshore grid

Website:www.tennet-offshore-1.eu

Description:

BorWin1 is an HVDC offshore grid connection that links the BARD Offshore 1 wind farm cluster in the German North Sea to the onshore transmission network. The system uses voltage-source-converter HVDC (HVDC Light/VSC) technology at a bipolar nominal voltage of ±150 kV and a rated power transfer of 400 MW....

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

Route

	German Bight (North Sea)	Lower Saxony
Landfall	N/A	Hilgenriedersiel, Lower Saxony, Germany
Grid Connection	—	Diele substation

German Bight (North Sea)

Landfall:N/A

Grid:—

Lower Saxony

Landfall:Hilgenriedersiel, Lower Saxony, Germany

Grid:Diele substation

Financial

€422.8M

publications.tno.nl

CAPEX:€422.8M

Source:publications.tno.nl

Notes:

Total contracted cost reported in TNO (table) as 422.8 (units = millions); TNO appears to have converted original contract figures into a common currency. The report does not make the...

Cable Specifications

BorWin1 HVDC export link (BorWin Alpha → Diele)

Hilgenriedersiel, Lower Saxony, Germany

2 × 150 kV HVDC · symmetric monopole · copper 1200 mm² · balanced · XLPE (Cross-linked Polyethylene) · 400 MVA · 200 km

System:2 × 150 kV HVDC · symmetric monopole

Construction:copper · 1200 mm²

Return path:balanced

Insulation:XLPE (Cross-linked Polyethylene)

Power rating:400 MVA

Route length:200 km(125 subsea · 75 land)

Offshore AC platform → BorWin Alpha HVAC link

2 × 170 kV HVAC · 400 MVA · 1 km

System:2 × 170 kV HVAC

Power rating:400 MVA

Route length:1 km(1 subsea)

Converter Stations

BorWin Alpha

BorWin Alpha (Borkum 2 platform), Germany

VSC · 400 MW 150 kV · offshore

Converter:vsc

Rating:400 MW · 150 kV

Location:offshore

Diele substation

Diele (Diele substation, near Weener), Germany, Germany

VSC · 400 MW 380 kV · onshore

Converter:vsc

Rating:400 MW · 380 kV

Location:onshore