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SPOWTT

Improving the Safety and Productivity of Offshore Wind Technician Transit.

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Introduction

Offshore technicians perform essential scheduled servicing and unscheduled maintenance of offshore wind turbines. Planning operations and maintenance activity is challenging because it is difficult to predict if sea conditions will allow turbine technician transfer via crew transfer vessels (CTVs) as well as marine operators having a limited source of information for making this decision.  An added challenge is ensuring the safety and wellbeing of the technicians as they are transported in what can be very rough sea conditions because they have to perform complex tasks once transferred to the turbine.    

Unscheduled O&M activities account for almost a quarter of the lifetime costs of an offshore wind farm. A significant part of this cost is due to failed crew transits or workers having to abandon their missions due to dangerous and unpredictable sea conditions.

 

The Project

This is where the SPOWTT project comes in. SPOWTT – improving the Safety and Productivity of Offshore Wind Technician Transit – will provide a forecasting and monitoring tool to help match future assets to the environmental conditions.

The project takes a novel approach by using digital technology to create a decision-making tool that will allow marine coordinators to make a more informed decision regarding crew transfers. The SPOWTT project will, for the first time, measure in parallel the motion of crew transfer vessels in certain weather conditions and sea states, as well as the psychological and physiological well-being of the technicians onboard.

Optimising how CTVs make use of the ‘weather window’ will improve O&M productivity, reduce costs and increase turbine availability. It is estimated that SPOWTT will lead to a 0.7% reduction in the levelized cost of electricity, which is equivalent to an additional revenue of >€1.2m a year for a 500MW wind farm.

 

The Partners

The SPOWTT project partners include: BMO Offshore, MARIN, Offshore Renewable Energy Catapult, SMC, Siemens GamesaTNO and University of Hull.

 

 


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