Also known as:Walney 2 OFTO, Walney II OFTO, Blue Transmission Walney 2, Blue Transmission Walney 2 Limited, Walney 2 offshore transmission system, Walney II Transmission Assets, BTW2
Walney 2 OFTO is the offshore HVAC export transmission system that connects the Walney II offshore wind farm to the onshore GB network. The connection steps up wind farm collection voltage at an offshore substation and exports via a 132 kV HVAC submarine cable to an onshore substation that interfaces...
Supply Chain (0)
Project Timeline (0)
No lifecycle events recorded yet.
Route
Irish Sea
Cumbria
Landfall
N/A
Cleveleys, Lancashire, United Kingdom
Grid Connection
—
Stanah substation (132 kV, Electricity North West)
Irish Sea
Landfall:N/A
Grid:—
Cumbria
Landfall:Cleveleys, Lancashire, United Kingdom
Grid:Stanah substation (132 kV, Electricity North West)
Cable Specifications
Walney II offshore export cable (OSP → Cleveleys)
Cleveleys, Lancashire, United Kingdom
1 × 132 kV HVAC · 182 MVA · 48.3 km
System:1 × 132 kV HVAC
Power rating:182 MVA
Route length:48.3 km(43.2 subsea · 5.1 land)
Burial depth:
The Walney 2 export cable is described in developer/financial and audit documents as a ~43.2 km high-voltage submarine cable that is buried in the seabed, with a buried onshore land...
Collector Stations
Walney II Offshore Substation
Walney II Offshore Wind Farm (offshore substation / OSP), United Kingdom