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General enquiries
Tel. +45 7916 6666


Semco Maritime
Esbjerg Brygge 30
DK- 6700 Esbjerg


Renewable energy

As a world leading EPCI supplier of wind farm substations we have extensive experience in building and ensuring uptime for offshore wind assets.


Offshore substations built since 2002


Wind farms serviced

> 2

Million engineering hours in offshore wind projects


is our goal for Lost Time Incidents

World leader in offshore substations and specialist in operation, service and maintenance

Since 2002, we have been an important part of many offshore wind projects. Based on our extensive experience and world-class engineering, we have developed ways to make sections of the substation into standard proven concepts – while meeting the exact needs and expectations of our clients.

We specialise in all aspects of bringing energy to shore - including telecommunication systems, firefighting systems, manpower and transport solutions.

We design and deliver all necessary electrical systems and we make sure that the substation runs smoothly by offering full service concepts for substations and transition pieces as well as ad hoc modification and maintenance.

Discover our how we can help you bring energy to shore by clicking the green button or visit the topics below. 

Offshore wind products and services:

Wind farm substations

We have successfully completed the design and construction of more than 20 offshore substations, which makes us a leader in EPCI solutions and services for the offshore wind industry.

Sea-fastening and mobilisation

We have extensive experience with sea fastening design, engineering, fabrication and installation for offshore wind turbine components such as blades, nacelles, hubs and towers.

The people you need

Manpower and consultants

Your flexible supplier of reliable and dedicated manpower. Our resources are highly qualified, professional and cost-efficient. We adapt to your operation - easy hassle-free up and down-scaling

"We want to play an important role in meeting the world's growing energy demand in a safe and sustainable way!"

Wherever you are in the world we have technicians ready to serve you ...

Derek Phillips

Director, EPC Sales, Renewables

Semco Maritime A/S
Esbjerg Brygge 30
6700 Esbjerg