Global Maritime wins TetraSpar decommissioning role for offshore wind project

Type: Development · Technology: Offshore Wind · Country: Norway · Capacity: 3.6 MW · Announced: 2026-03-27

Global Maritime has been appointed by TetraSpar Demonstrator ApS to manage the decommissioning of the TetraSpar Demonstrator Project located offshore Karmøy, Norway. This project signifies the final stage of the demonstration phase, which began in 2021 and featured a 3.6MW Siemens Gamesa Renewable Energy turbine on a floating foundation. The work will involve detailed inspection of the submerged structure after almost five years of operation, contributing to the verification of Stiesdal Offshore’s commercial TetraSub foundation. Global Maritime will oversee offshore and onshore dismantling, including project management, engineering, procurement, and operational activities, with Semco Maritime handling onshore work at its Hanøytangen yard.

Analysis

Global Maritime has been appointed by TetraSpar Demonstrator ApS to manage the decommissioning of the TetraSpar Demonstrator Project located offshore Karmøy, Norway, with the work involving detailed inspection of the submerged structure after almost five years of operation. Siemens Gamesa Renewable Energy, a global leader in wind turbines with over 140 GW installed worldwide, supplied a 3.6MW turbine for the project. RWE, a leading renewable energy company investing billions of euros worldwide, and TEPCO Renewable Power are investors in the project. The decommissioning work will be overseen by Global Maritime, with Semco Maritime handling onshore work at its Hanøytangen yard. The project began in 2021 and features a floating foundation designed by Stiesdal Offshore.

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