Neart na Gaoithe OFTO

Offshore GridOperationalGB448 MW220 kV102 km

Basic Information

Also known as:Neart na Gaoithe OFTO, NnG OFTO, Neart na Gaoithe offshore transmission assets, TR10 Neart na Gaoithe OFTO

Status:Operational

Capacity:448 MW

Transmission Model:Developer Build & Transfer

Owners:

Equitix Investment Management Limited

Project Company:

Equitix Investment Management Limited (consortium) — named preferred bidder for the OFTO

Type:offshore grid

Expected Life:24 years

Website:nngoffshorewind.com

Description:

Neart na Gaoithe OFTO is the offshore HVAC transmission link that carries electricity from the 448 MW Neart na Gaoithe (NnG) offshore wind farm in the outer Firth of Forth to the onshore GB transmission network. The transmission system comprises two 220 kV offshore substations and two 220 kV subsea...

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

Route

	Firth of Forth	Firth of Forth	East Lothian
Landfall	N/A	N/A	—
Grid Connection	—	—	Crystal Rig substation (SPEN)

Firth of Forth

Landfall:N/A

Grid:—

Firth of Forth

Landfall:N/A

Grid:—

East Lothian

Landfall:—

Grid:Crystal Rig substation (SPEN)

Financial

£495.1M€610.5M adj.€13.36k/MW-km

www.ofgem.gov.uk (Jan 2023)

CAPEX:£495.1M

Adjusted to 2025¹:€610.5M

Cost Intensity¹:€13.36k per MW-km

Estimate Date:Jan 2023

Source:www.ofgem.gov.uk

Notes:

Ofgem TR10 slide lists an Initial Transfer Value of £495.1m. Industry and Equitix press releases subsequently report c. £450m at the preferred-bidder announcement (Oct 14, 2025) — likely reflecting different...

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

Cable Specifications

Export Cable System 1 (GB1 → Crystal Rig)

Thorntonloch Beach, East Lothian, United Kingdom

1 × 220 kV HVAC · 224 MVA · 51 km

System:1 × 220 kV HVAC

Power rating:224 MVA

Route length:51 km(38 subsea · 13 land)

Export Cable System 2 (GB2 → Crystal Rig)

Thorntonloch Beach, East Lothian, United Kingdom

1 × 220 kV HVAC · 51 km

System:1 × 220 kV HVAC

Route length:51 km(38 subsea · 13 land)

66 kV Inter‑Platform Interconnector (GB1 ↔ GB2)

1 × 66 kV MVAC

System:1 × 66 kV MVAC

Collector Stations

Offshore Platform (GB 1)

Neart na Gaoithe offshore wind farm, United Kingdom

448 MW 220 kV · offshore

Rating:448 MW · 220 kV

Location:offshore

Offshore Platform (GB 2)

Neart na Gaoithe offshore wind farm, United Kingdom

220 kV · offshore

Rating:220 kV

Location:offshore

Crystal Rig substation

Crystal Rig (onshore substation), Lammermuir Hills, East Lothian, Scotland, United Kingdom

448 MW 400 kV · onshore

Rating:448 MW · 400 kV

Location:onshore