Gunfleet Sands OFTO

Offshore GridOperationalGB173 MW132 kV13 km

Basic Information

Also known as:TC Gunfleet Sands OFTO Ltd, Gunfleet Sands I + II Transmission, Gunfleet Sands offshore transmission assets, TR1 Gunfleet Sands OFTO

Status:Operational

Capacity:173 MW

Transmission Model:Developer Build & Transfer

Owners:

International Public Partnerships (INPP)(100%)

Project Company:

TC Gunfleet Sands OFTO Ltd

Type:offshore grid

Expected Life:20 years

Website:tinv.com

Description:

Gunfleet Sands OFTO is the high-voltage offshore transmission link that connects the Gunfleet Sands 1 & 2 offshore wind farms to the onshore 132 kV network at Clacton (Cooks Green) substation in Essex. The connection is an HVAC export system comprising a single offshore substation platform (collecting 33 kV array...

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

Route

	Southern North Sea	Essex
Landfall	N/A	Clacton-on-Sea, Essex, United Kingdom
Grid Connection	—	Clacton 132 kV substation

Southern North Sea

Landfall:N/A

Grid:—

Essex

Landfall:Clacton-on-Sea, Essex, United Kingdom

Grid:Clacton 132 kV substation

Financial

£49.5M€83.3M adj.€37.04k/MW-km

www.ofgem.gov.uk (Jul 2011)

CAPEX:£49.5M

Adjusted to 2025¹:€83.3M

Cost Intensity¹:€37.04k per MW-km

Estimate Date:Jul 2011

Source:www.ofgem.gov.uk

Notes:

OFTO asset transfer value (transfer/transaction value for the Gunfleet Sands offshore transmission assets) — includes offshore substation and export cables; transfer to TC Gunfleet Sands OFTO Ltd completed 19 July...

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

Cable Specifications

Gunfleet Sands – Clacton export cable

Clacton-on-Sea, Essex, United Kingdom

1 × 132 kV HVAC · 173 MVA · 13 km

System:1 × 132 kV HVAC

Power rating:173 MVA

Route length:13 km(9 subsea · 4 land)

Collector Stations

Gunfleet Sands offshore substation platform (OSP)

Gunfleet Sands offshore wind farm (offshore substation platform), United Kingdom

173 MW 132 kV · offshore

Rating:173 MW · 132 kV

Location:offshore

Clacton substation

Clacton-on-Sea, United Kingdom

173 MW 132 kV · onshore

Rating:173 MW · 132 kV

Location:onshore