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...
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