BorWin3

Offshore GridOperationalDE900 MW320 kV160 km

Basic Information

Also known as:NOR-8-1

Status:Operational

Capacity:900 MW

Transmission Model:TSO Build & Own

Owners:

TenneT(100%)

Project Company:

TenneT Offshore GmbH

Type:offshore grid

Description:

BorWin3 is a 900 MW high-voltage direct current (HVDC) offshore grid connection that transmits power from offshore wind farms in the German North Sea to the onshore grid at Emden/Ost. The system uses voltage‑sourced converter (VSC) technology at ±320 kV and comprises an offshore converter topside (BorWin Gamma) installed on...

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

Route

	German North Sea	Lower Saxony
Landfall	N/A	Hamswehrum, Lower Saxony, Germany
Grid Connection	—	Emden/Ost substation

German North Sea

Landfall:N/A

Grid:—

Lower Saxony

Landfall:Hamswehrum, Lower Saxony, Germany

Grid:Emden/Ost substation

Financial

€1,000M

www.promotion-offshore.net

CAPEX:€1,000M

Source:www.promotion-offshore.net

Notes:

Reported project contract volume described by TenneT as 'deutlich mehr als einer Milliarde Euro' (i.e. significantly more than €1,000 million). Prysmian separately reported the cable contract at 'in excess of...

Cable Specifications

BorWin3 submarine export cable (BorWin Gamma – Hamswehrum)

Hamswehrum, Lower Saxony, Germany

1 × 320 kV HVDC · bipole · 128 mm dia. · XLPE (Cross-linked Polyethylene) · 900 MVA · 160 km · 40.6 kg/m

System:1 × 320 kV HVDC · bipole

Construction:128 mm dia.

Insulation:XLPE (Cross-linked Polyethylene)

Power rating:900 MVA

Route length:160 km(130 subsea · 29 land)

Weight:40.6 kg/m air · 28.6 kg/m water

Burial depth:

Route crosses shallow to mid-depth North Sea (max water depth ~40 m). Nearshore sections and the Ems estuary are environmentally sensitive and required dedicated survey and preparatory works; nearshore UXO...

Fibre optic:

The BorWin3 cable system included an associated fibre‑optic provision as part of the cable contract: Prysmian's award and project description state an HVDC extruded submarine and land power bipole 'with...

Converter Stations

BorWin Gamma (offshore converter platform)

BorWin Gamma (offshore platform, German North Sea), Germany

VSC · 900 MW 320 kV · offshore

Converter:vsc

Rating:900 MW · 320 kV

Location:offshore

Emden/Ost substation

Emden/Ost, Germany

VSC · 900 MW 320 kV · onshore

Converter:vsc

Rating:900 MW · 320 kV

Location:onshore