RENEWABLES Ӏ SECTOR REPORT
When finished it will have a total installed capacity of 759 MW, generating at least 3.3 TWh of renewable energy per year – which is enough to meet nearly 3% of the Netherlands’ electricity demand. The first monopile was installed in mid-October 2022 and it has taken just five months to install all 70 – and that was despite strong winds and cold weather. “The installation of the monopiles was an immense operation, with the monopiles weighing between 788t and 960t each,” said Wybren de Vries of CrossWind. Van Oord engaged DEME, a specialist in the dredging, land reclamation, marine infrastructure, offshore energy and environmental remediation sector, to deploy the jack-up vessel Innovation to install the monopiles. Van Oord’s offshore installation vessel MPI Resolution is currently installing secondary steel to complete the foundations.
18 CRANES TODAY
Liebherr’s HLC 295000 at work in the North Sea....
The sets consist of boat landings, main access platforms (with davit cranes) and internal platforms. The platforms will be used for maintenance activities once the wind farm is operational. In March, the cable-laying
vessel Nexus began installing the cables for the project.
FURTHER WIND FARMS Europe, the North Sea in particular, has been at the forefront of offshore wind. Northern Europe already has 40 offshore wind farms in operation and another 40 will be installed in the coming 10 years. This year the Crown Estate, the
controlling authority for the UK seabed, is issuing leasing rounds for up to 4 GW of electrical energy from floating offshore wind to be deployed by 2035, with a follow on 20GW anticipated by 2045. Progress in Asia has been
similarly rapid and the USA is catching up. Mammoet has secured contracts for two large offshore wind projects in the United States – both of which begin in 2023. Together, the contracts cover a range of port scopes, including the load-in, load-out, handling and temporary storage of XXL monopiles (XXL being the current largest size, at up to 100m high and 1,200t weight), plus the pre-assembly of turbines in a US marshalling port. “Offshore wind in the United
States has been a long time coming,” said Rick Bohne, Jr., director of sales & marketing for Mammoet in the USA and Mexico. “Our Mammoet colleagues have been executing these projects globally for some time so this is an exciting opportunity to leverage the combination of our technical experience with our local market experience.”
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