Siem Offshore Contractors was awarded the contract for the turnkey engineering, procurement, installation and commissioning (EPIC) works related to the inner array grid cable system of the Nordsee One Offshore Wind Farm (OWF) project by Nordsee One.
The Nordsee One OWF is located approx. 40 km north of the island of Juist within the German Bight sector of the North Sea. The OWF consists of 54 wind turbine generators, each with a capacity of 6.15 MW and is based on an inner array grid of 59 medium voltage aluminium core submarine composite cables with a total length of up to 72km.
The submarine composite cables were manufactured and supplied by JDR Cable Systems and were subsequently installed by Siem Offshore Contractors utilising dedicated in-house resources such as the Cable Lay Vessel Siem Aimery and Instalation Support Vessel Siem Moxie.
54 Wind Turbine Generators
72 km of submarine cables
1 Offshore Substation (OSS)
2,343 W2W Connections
332 MW installed capacity
9,530 Personnel Transfers
Based on a trustful and respectful client-contractor relationship, projects can be delivered in professional manner, whilst being ahead of schedule and within budget."
|Client:||Nordsee One, Germany|
|Location:||North Sea, German Sector|
|Water Depth:||Up to 34 m|
|Scope:||Supply of submarine composite cables
Supply of submarine cable accessories
Supply of cable protection systems
Marine cable route survey
UXO detection, identification and removal
Pre-lay grapnel run and route clearance
Cable installation, termination, testing and pre-commissioning
|Type of Cables:||3-core submarine composite cable|
|Voltage Level:||33 kV|
|No. of Cables:||59|
|Length of Cables:||72 km|
|WTG’s:||54 x 6.15 MW, Senvion|
|Total Capacity:||332 MW|
|Schedule:||One (1) continuous campaign in 2016|
|Vessels:||CLV Siem Aimery
ISV Siem Moxie
Offshore Wind Farm inner array grid cable installation on the Nordsee One OWF project as executed by Siem Offshore Contractors during the summer of 2016.