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4C is now TGS

We are excited to announce a significant milestone in 4C Offshore's journey. Our integration into the TGS family marks the beginning of a new era in offshore wind market intelligence.


Learn what this means for you!

Offshore Substation Database

Offshore substations are dedicated platforms that collect energy generated from offshore wind farms and transfer it to shore through an AC or DC export cable. Discover information and insights about offshore wind farm substations in 4C Offshore’s Substation Database. You can access the database with 4C Offshore, our marine intelligence software, designed for the global offshore renewable energy market.

About 4C Offshore’s Offshore Substation Database

4C Offshore’s Offshore Substation Database includes information and data about 486 offshore substations for wind farms, including 315 HVAC collectors, 53 HVDC converters, and more. Gain access to graphs, charts, and reports which offer insights and information about offshore substation platforms including, the type of foundations, dimensions, power capacity, and more.

How does the database work?

4C Offshore marine intelligence software provides you with exclusive access to a range of specialised services including the Offshore Substation Database. 4C Offshore grants you exclusive access to online and offline databases, reports, newsletters, online tools and more.

There are three levels of access: Free, Freemium and Full. Freemium allows you to personalise notifications, use the search function and access more data.

You will need Full access to use the 4C Offshore interactive system, access reports, updates, news, downloads and more. To find out more about how 4C Offshore software works and the benefits of Full access, enquire below.

Sign up to Freemium Enquire about 4C Offshore

Substation Overview

Substation Quick Specs Wind Farm(s)

Related Resources

Discover everything you need to know about offshore substations for wind farms.

Offshore Wind Transmission System Database
Offshore Wind Transmission System Database
Offshore Converter Platform Database
Offshore Converter Platform Database
Global Offshore Wind Farm Map
Global Offshore Wind Farm Map