Study Highlights Operational Challenges for Floating Offshore Wind Turbines

Credit: mmatsuura/Flickr

Apollo, Global Energy Group (GEG), and (ORE) Catapult have published a examining the tow-to-port (T2P) operations for floating wind turbines (FOWTs).

The study predicts that between 10 to 30 turbines may require T2P annually from 2035 to 2040, based on bottom-fixed turbine failure data. This projection suggests that T2P costs could surpass those of offshore installation and routine operations and maintenance (O&M) combined.

Conducted from November 2023 to March 2024, the study addresses the operational challenges of transporting FOWTs to port for major maintenance. The report emphasizes the importance of prioritizing the planning, management, and mitigation of T2P to avoid significant bottlenecks, such as the limited availability of suitable vessels and cranes.

“Understanding the challenges of T2P early helps developers to make better decisions,” said Will Brindley, Apollo's Lead Naval Architect. “T2P cost and frequency can be significantly reduced with better planning to ensure the availability of essential resources at competitive rates. Innovative technology must also play a part by enabling more efficient offshore operations. Active investment, incentivisation and open collaboration across the industry are essential to make this a reality.”

Hrishikesh Atitkar, T&I Engineer at Global Energy Group, noted the potential impact on Scotland's energy landscape, saying, “The industrialisation of Floating Offshore Wind is set to revolutionise Scotland's energy landscape, with enhanced port infrastructure essential to unlocking this technology. Global Energy Group are delighted to have collaborated in this critical T2P study, focused on optimised O&M strategies to ensure the competitiveness and long-term success of floating wind. Our facility has grown into a renewables superhub, having managed over 3.5GW of offshore wind assets and we continue to develop our capabilities to support future developments in the and beyond.”

Commissioned by ORE Catapult's Floating Offshore Wind Centre of Excellence, the study aims to help developers and the supply chain with project financial planning and floating array infrastructure design.

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