Moray West OFTO

Offshore GridOperationalGB882 MW220 kV72 km

Basic Information

Also known as:Moray Offshore Wind Farm (West) OFTO, Moray West Offshore Transmission, Moray West TR10 OFTO, Moray West OFTO transmission assets

Status:Operational

Capacity:882 MW

Transmission Model:Developer Build & Transfer

Owners:

International Public Partnerships Limited (INPP)

Amber Infrastructure Group

Transmission Investment

Type:offshore grid

Expected Life:25 years

Website:www.ofgem.gov.uk

Description:

The Moray West OFTO (Offshore Transmission Owner) link is the HVAC export transmission system that carries power from the Moray West Offshore Wind Farm (882 MW) in the Moray Firth to the onshore National Electricity Transmission System. The transmission system comprises two 220 kV high-voltage alternating current (HVAC) offshore export...

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

Route

	Moray Firth	Moray
Landfall	N/A	Sandend Bay, Aberdeenshire, United Kingdom
Grid Connection	—	Blackhillock substation (400 kV)

Moray Firth

Landfall:N/A

Grid:—

Moray

Landfall:Sandend Bay, Aberdeenshire, United Kingdom

Grid:Blackhillock substation (400 kV)

Financial

£592.8M€731M adj.€11.51k/MW-km

www.ofgem.gov.uk (Jan 2023)

CAPEX:£592.8M

Adjusted to 2025¹:€731M

Cost Intensity¹:€11.51k per MW-km

Estimate Date:Jan 2023

Source:www.ofgem.gov.uk

Notes:

Initial OFTO transfer value / estimated CAPEX for Moray West transmission assets (Ofgem TR10 launch materials; often reported as ~£0.6bn).

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

Cable Specifications

Moray West export cable system (two 220 kV HVAC circuits)

Sandend Bay, Aberdeenshire, United Kingdom

2 × 220 kV HVAC · 882 MVA · 72 km

System:2 × 220 kV HVAC

Power rating:882 MVA

Route length:72 km(45 subsea · 27 land)

Burial depth:

Project documentation and the EIA state the two offshore export (HVAC) circuits are buried between Mean Low Water Springs (MLWS) and the onshore transition/transition joint bays; the transition joint bays...

Moray West offshore substation interconnector cable

Sandend Bay, Aberdeenshire, United Kingdom

220 kV HVAC

System:220 kV HVAC

Collector Stations

Offshore Platform (GB)

Moray West (Moray Firth), United Kingdom

882 MW 220 kV · offshore

Rating:882 MW · 220 kV

Location:offshore

Whitehillock substation

Whitehillock, Moray, United Kingdom

882 MW 220 kV · onshore

Rating:882 MW · 220 kV

Location:onshore