Ormonde OFTO is the licensed offshore transmission owner (OFTO) connection that links the 150 MW Ormonde offshore wind farm (30 × 5 MW turbines) in the Irish Sea to the UK onshore 132 kV network at Heysham. The transmission system is an HVAC export arrangement comprising a single offshore substation...
Supply Chain (0)
Project Timeline (0)
No lifecycle events recorded yet.
Route
Irish Sea
Lancashire
Landfall
N/A
Half Moon Bay, Heysham, Lancashire, United Kingdom
Grid Connection
—
Heysham substation (132 kV)
Irish Sea
Landfall:N/A
Grid:—
Lancashire
Landfall:Half Moon Bay, Heysham, Lancashire, United Kingdom
Assessed transfer value / OFTO transfer value for the Ormonde transmission assets (transfer to TC Ormonde OFTO Ltd). Includes offshore substation and export/onshore cables as assessed by Ofgem.
1 Cost inflated in local currency then converted to euros (where applicable).
Cable Specifications
Ormonde 132 kV export cable
Half Moon Bay, Heysham, Lancashire, United Kingdom
1 × 132 kV HVAC · 150 MVA · 44.3 km
System:1 × 132 kV HVAC
Power rating:150 MVA
Route length:44.3 km(41 subsea · 3 land)
Burial depth:
At the landfall (Half Moon Bay, Heysham) the export cable is carried under the intertidal zone in a deep duct installed using horizontal directional drilling (HDD). The preferred export cable...
Fibre optic:
The export cable includes an integrated fibre‑optic core within the cable construction. Developer documentation describes the cable as containing three power cores and one fibre‑optic core (the fibre core described...
Collector Stations
Ormonde offshore substation
Ormonde Offshore Wind Farm (Irish Sea, ~10 km west of Walney Island), United Kingdom