Hollandse Kust Zuid Alpha sets sail

In: VesselsWindfarms
20/07/2020
Load-out of the of the Hollandse Kust Zuid Alpha jacket foundation has been successfully completed in the Middle East.

The HKZ transmission system consists of two 700 MW connections for the Hollandse Kust Zuid 1-4 offshore wind areas, located in the North Sea. Four 220 kV export cables will connect two HVAC offshore platforms, Alpha and Beta, to the high-voltage substation De Maasvlakte, on the Dutch mainland.


In 2019, Petrofac was awarded a contract by TenneT, the Dutch-German transmission grid operator, for the HKZ Alpha and optional Beta HVAC platforms. The total contract value is approximately US$200 million.


Subcontracted by Petrofac, Eversendai Offshore is responsible for the engineering and fabrication of the six-leg jacket structure for HKZ Alpha. Work has been taking place at the company's 550 metre waterfront and 200,000 square metre fabrication yard in RAK Maritime City, Ras Al Khaimah, UAE.


The 2,800 metric tonne jacket foundation was loaded onto the vessel Hua Xing Long, owned by Guangzhou Salvage, in mid-July. The company has described itself as "Proud to have been able to contribute to the Hollandse Kust (Zuid) Alpha Project. Despite the COVID-19 loadouts of both piles and Alpha jacket went smoothly, great team work between all parties."


Eversendai
recently announced that it will also fabricate the foundation for HKZ beta; "we are delighted to continue our association with Petrofac building a stronger relationship for the future".

Heerema Marine Contractors was engaged by Petrofac to install the foundation and 3,800 metric tonne topside later this year. The HKZ platform Alpha is scheduled to become operational in 2021, followed by HKZ platform Beta in 2022.


Vattenfall secured the rights to the  
Hollandse Kust Zuid 1&2 and Hollandse Kust Zuid 3&4, offshore wind farms, with zero subsidy bids in March 2018 and July 2019. The projects have a combined capacity of 1.5 GW and will feature 140 SG 11.0-200 DD turbines. The Offshore construction is scheduled to start in 2021 with commissioning in 2023.

 For more information on offshore wind farms worldwide, click here.

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