Deals Counterparts

Global Maritime wins TetraSpar decommissioning role for offshore wind project

Development Offshore Wind announced Norway Mar 27, 2026
3.6 MW
Capacity
demonstration
Stage
TetraSpar Demonstrator Project
Project

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.

Get daily offshore wind deal alerts — free, no spam.

Counterparts (7)

Register free to access full counterpart details, deal analysis, and timeline.

Register free →

Deal 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.
  • 3.6MW Siemens Gamesa Renewable Energy turbine
  • Location: offshore Karmøy, Norway
  • Project began in 2021
  • Global Maritime overseeing decommissioning
  • Semco Maritime handling onshore work at Hanøytangen yard

Source Intelligence

KEY DETAILS

The demonstration phase began in 2021. The work will involve detailed inspection of the submerged structure after almost five years of operation. The scope includes disconnection and recovery of inter array cables and station keeping systems, towing of the structure, and dismantling of turbine, keel, and floater components.

Capacity
a 3.6MW Siemens Gamesa Renewable Energy turbine on a floating foundation
Location
offshore Karmøy, Norway.
Announcement
27 March 2026 08:24
PARTIES MENTIONED IN SOURCE
G
Global Maritime developer

"Global Maritime has been appointed by TetraSpar Demonstrator ApS to manage the decommissioning of the TetraSpar Demonstrator Project"

T
TetraSpar Demonstrator ApS developer

"Global Maritime has been appointed by TetraSpar Demonstrator ApS to manage the decommissioning of the TetraSpar Demonstrator Project"

S
Siemens Gamesa Renewable Energy turbine_supplier

"a 3.6MW Siemens Gamesa Renewable Energy turbine on a floating foundation"

S
Stiesdal Offshore developer

"verification of Stiesdal Offshore’s commercial TetraSub foundation."

S
Semco Maritime subcontractor

"Semco Maritime handling onshore work at its Hanøytangen yard."

T
TEPCO Renewable Power owner

"owned by TEPCO Renewable Power, RWE, and Stiesdal Offshore."

R
RWE owner

"owned by TEPCO Renewable Power, RWE, and Stiesdal Offshore."

high quality Enriched Mar 27, 2026

Timeline

Announced
Mar 27, 2026
Signed
Closed

Get the full picture — timeline, source intelligence, and counterpart analysis.

Register free →
Track Offshore Wind deals