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The three key logistical challenges for floating offshore wind

Earlier this year, the ScotWind offshore wind auction awarded 17 UK leases representing a total capacity commitment of almost 25 GW, over half of which (about 15 GW) will come from floating wind facilities.  

Meeting these commitments will require the installation of up to 1300 floating turbines over the next decade; currently, the world’s largest floating wind farm, the 50-MW Kincardine facility, offshore UK, has just five floating turbines.  

The UK floating wind sector will consequently need to dramatically scale up the deployment of facilities, which will place unprecedented logistical demands on an industry still in its relative infancy. 

Building on almost 20 years of experience in mooring systems, Acteon reveals the key logistical challenges facing the floating wind sector and how to navigate them. 

Challenge 1: Ordering and delivery of mooring equipment 

Having all the necessary mooring equipment (anchors, mooring chains, fibre rope and connectors) in the right place, at the right time and ready for mobilisation presents the first challenge.  

It is essential to know the exact quantity of equipment needed, for example, the length of the chain and the number of shackles. Additionally, it is crucial to know the handling capacity of the portside offloading equipment at the delivery location: can it handle the size and weight of the bundles and spools for example?  

Furthermore, to minimise the need for storage, all equipment must be delivered at a similar time. However, effective scheduling can be challenging, particularly with equipment often coming from different suppliers worldwide. 

Our solution 

Through decades of mooring experience, we have developed a long-standing and extensive supplier network that gives us excellent purchasing and scheduling power to ensure that equipment is delivered on schedule and to the correct location. We can also leverage the fabrication capabilities of our own anchor company, Bruce Anchor. 

 

Montrose Supply Base

Challenge 2: Equipment storage and management 

Once delivered and offloaded, mooring equipment needs to be stored while it waits for mobilisation. Knowing the storage footprint is essential, as is tracking, inspecting and maintaining the equipment to ensure that nothing gets misplaced and that everything works perfectly.  

Our solution 

In the UK, for example, InterMoor, the lead brand for Acteon’s Moorings and Anchors segment has a total of 37,000 m2 of dedicated quayside storage split between Montrose (25,000 m2) and Aberdeen (12,000 m2). The stock holding is currently the largest in the world and includes 

  • 130 km of mooring chain and rope 
  • 18 client-owned full mooring systems 
  • 80 anchors 
  • 16 km of polyester rope, accessories and connectors. 

At each yard, our experienced equipment handlers ensure that every piece of equipment is logged, tracked and arranged to optimise mobilisation times. We can also inspect and maintain equipment as well as arrange manufacturing for any extra pieces of equipment that may be needed. Not sure how much storage you need? Send us your mooring design and we will calculate it for you.

 

 

Challenge 3: Mobilisation and installation 

At up to $80,000 per day, vessel time is expensive, so any time saved can amount to large financial benefits. The efficiency of mobilising and installing full mooring systems reflects the preparation of equipment, personnel expertise and the proximity of a storage facility to the vessels. 

Our solution 

Our equipment handlers are experts in loading and unloading mooring equipment to and from vessels – a process streamlined by our quayside storage yards having direct access to vessel loading points as well as the necessary cranes and lifting equipment. 

With the equipment already arranged and stored with mobilisation in mind, our staff ensures that everything is loaded in the correct order to optimise back deck space and enable quicker and safer offshore offloading and installation. Moreover, the specialist team that moves the chain on the quayside also goes offshore to unload and install each mooring system – they run the whole operation from start to finish.  

Understanding the logistical challenges of installing and maintaining floating wind farms is essential to ensure that projects run on schedule and within costs. Speaking to the right experts is the first important step.  

Find out more about our industry-leading mooring solutions and logistical services. 

 

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Acteon’s expertise in mooring design and marine installation spans decades. We apply our deep domain expertise to help you choose the best options, from anchoring to cable laying to installation methods, to mitigate technical risks and lower the levellised cost of energy (LCOE).

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