Humber Gateway OFTO

Offshore GridOperationalGB219 MW132 kV39 km

Basic Information

Also known as:Humber Gateway Offshore Transmission Owner, Humber Gateway OFTO Limited, Humber Gateway transmission assets, TR3 Humber Gateway OFTO

Status:Operational

Capacity:219 MW

Transmission Model:Developer Build & Transfer

Owners:

Equitix(100%)

Project Company:

Humber Gateway OFTO Limited

Type:offshore grid

Expected Life:20 years

Website:hgofto.co.uk

Description:

Humber Gateway OFTO is the offshore HVAC transmission link that connects the 219 MW Humber Gateway offshore wind farm (73 × 3.0 MW turbines) to the onshore transmission network near Hull. The transmission system uses 132 kV alternating-current export circuits and comprises one offshore substation platform (OSP) on a jacket...

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

Route

	North Sea	East Riding of Yorkshire
Landfall	N/A	—
Grid Connection	—	Hedon 275 kV (Saltend) / Saltend onshore substation (connection into the NGET 275 kV network)

North Sea

Landfall:N/A

Grid:—

East Riding of Yorkshire

Landfall:—

Grid:Hedon 275 kV (Saltend) / Saltend onshore substation (connection into the NGET 275 kV network)

Financial

£162.9M€259.3M adj.€30.36k/MW-km

www.balfourbeatty.com (Sept 2016)

CAPEX:£162.9M

Adjusted to 2025¹:€259.3M

Cost Intensity¹:€30.36k per MW-km

Estimate Date:Sept 2016

Source:www.balfourbeatty.com

Notes:

OFTO transfer value / sale price at financial close to the Balfour Beatty–Equitix consortium (transfer of Humber Gateway transmission assets including offshore substation, two export circuits and onshore substation).

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

Cable Specifications

Humber Gateway export cable system

2 × 132 kV HVAC · 220 MVA · 39 km

System:2 × 132 kV HVAC

Power rating:220 MVA

Route length:39 km(9 subsea · 30 land)

Burial depth:

Onshore/export sections: According to the project Preliminary Information Memorandum (Humber Gateway PIM), the onshore export cables are installed underground with a nominal burial depth of approximately 1.5 m. This reference...

Collector Stations

Offshore Platform (GB)

Humber Gateway (North Sea), United Kingdom

219 MW 132 kV · offshore

Rating:219 MW · 132 kV

Location:offshore

Salt End onshore substation (Staithes Road, Salt End, Hull)

Staithes Road, Salt End, Hull, UK, United Kingdom

219 MW 275 kV · onshore

Rating:219 MW · 275 kV

Location:onshore