Horns Rev 3 Export Cable

Offshore GridOperationalDK406.7 MW220 kV87 km

Basic Information

Also known as:Horns Rev 3 HVAC export cable, Horns Rev 3 220 kV export cable, Horns Rev 3 land and sea cable, HR3 export cable, Horns Rev 3 offshore grid connection

Status:Operational

Capacity:406.7 MW

Transmission Model:TSO Build & Own

Owners:

Energinet (Energinet.dk)(100%)

Project Company:

Energinet (Energinet.dk)

Type:offshore grid

Website:energinet.dk

Description:

The Horns Rev 3 export cable is the 220 kV HVAC export connection built to evacuate generation from the Horns Rev 3 offshore wind farm to the Danish onshore transmission network. The system transfers approximately 400–407 MW generated by the 49-turbine Horns Rev 3 array via inter-array cables to an...

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

System Topology

ExportInter Platform

React Flow

Route

	North Sea	Western Jutland
Landfall	N/A	Houstrup Strand, Varde, Denmark
Grid Connection	—	Endrup substation

North Sea

Landfall:N/A

Grid:—

Western Jutland

Landfall:Houstrup Strand, Varde, Denmark

Grid:Endrup substation

Financial

$40M€44M adj.€1.24k/MW-km

www.nsenergybusiness.com (Apr 2014)

CAPEX:$40M

Adjusted to 2025¹:€44M

Cost Intensity¹:€1.24k per MW-km

Estimate Date:Apr 2014

Source:www.nsenergybusiness.com

Notes:

Energinet awarded ABB a contract worth $40m (April 2014) for supply and installation of the AC power cable system to integrate/transmit power from Horns Rev 3 — figure likely covers...

¹ Cost inflated in local currency then converted to euros (where applicable).

Cable Specifications

Horns Rev 3 export cable (Horns Rev 3 – Endrup)

Houstrup Strand, Varde, Denmark

1 × 220 kV HVAC · 407 MVA · 79 km

System:1 × 220 kV HVAC

Power rating:407 MVA

Route length:79 km(34 subsea · 45 land)

Burial depth:

Subsea section: the export cable was buried in the seabed with a nominal/minimum burial target of about 1.0 m below seabed; post‑installation burial commences beyond the scour protection and the...

Fibre optic:

The Horns Rev 3 export cable system includes integrated fiber optic sensor cables used for distributed temperature sensing (DTS) and distributed acoustic sensing (DAS) for fault location and real‑time temperature/acoustic...

Horns Rev 2 – Horns Rev 3 backup cable

1 × 220 kV MVAC · 420 MVA · 8 km

System:1 × 220 kV MVAC

Power rating:420 MVA

Route length:8 km(8 subsea · 0 land)

Burial depth:

Documented minimum/target burial for Horns Rev 3 subsea cables is approximately 1.0 m below the seabed. Installation reports state a minimum burial depth of 1.0 m was set for all...

Fibre optic:

The Horns Rev 3 power cable system includes loose-tube optical sensor cabling integrated with the power cable. Project documentation describes loose-tube fibre optic cables with 4 x 12 G.652.D single‑mode...

Collector Stations

Horns Rev 3 offshore transformer platform

Horns Rev 3 offshore transformer platform, Denmark

407 MW 220 kV · offshore

Rating:407 MW · 220 kV

Location:offshore

Endrup substation

Endrup, Denmark

407 MW 220 kV · onshore

Rating:407 MW · 220 kV

Location:onshore