Function

The offshore substation foundation supports the topside structure.

What it costs*

About £22 million for a 1 GW wind farm.

Who supplies them

Dajin Heavy Industry Corporation, Eversendai, Lamprell and Smulders.

Key facts

Substation foundations are likely to be jackets. These are steel lattice structures with usually three or four legs that are anchored to the sea bed using pin piles or suction buckets. See B.2.2 Jacket for more information.

What’s in it

Guide to an
Offshore Wind Farm