The TLTP (Tension-Leg Turbine Platform) is a floating, permanently moored structure designed to support a utility-scale offshore wind turbine in water depths of 40 meters and greater. This paper discusses the design tools and unique design process used for this novel structure. Reasons for selecting a tension-leg platform (TLP) are discussed. Motivations to apply TLP technology to relatively shallow water depths are explained. The requirements for supporting a wind turbine, which are fundamentally different than the requirements for supporting a typical oil and gas payload, are discussed.

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