Their custom made vessel was built by a shipyard with limited experience of the specific requirements of the industry, and was not initially up to the task; they had operational & safety issues; and, last year, they found a design flaw in the turbine, meaning that they had to modify those already produced and make changes to those already installed, which prevented the installation of new ones this year.
Such design problems happen with all turbines, but when you have only one project and one turbine run, you're betting the company that this won't happen, which is not a safe bet to make. Wind power
