2025's most-read stories in Offshore Wind Journal

To read each story in full, click on the headline, the image or the link at the end of the text.

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1. Maersk Offshore Wind cancels near-complete wind-turbine installation vessel

The contract for a nearly complete wind-turbine installation vessel – ordered by Maersk Offshore Wind from Seatrium Energy (formerly Sembcorp Marine) – was terminated on 9 October 2025, despite the vessel being 98.9 % complete. The yard is now evaluating its legal and commercial options in response. 

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2. Norse Wind, Havfram’s first offshore installation vessel, launched

The first installation vessel for Havfram – Norse Wind – built by CIMC Raffles Offshore, has been launched. It is capable of installing turbines with rotor diameters over 300 m and XXL monopiles up to 3,000 tonnes, with a 3,250-tonne crane and hybrid-drive systems to reduce emissions. 

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3. Purus takes delivery of first newbuild CSOV, Purus Chinook

The offshore wind operator Purus has taken delivery of its first newbuild CSOV, Purus Chinook, on 29 April 2025 – ahead of schedule. The vessel features battery-hybrid propulsion, is methanol-ready, and offers comfortable onboard living with the strictest comfort class notations (C2 for climate, V1 for noise/vibration). It will soon head into charter with Vestas.

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4. Olympic Subsea orders world’s most energy-efficient construction vessels

Olympic Subsea has placed an order for two UT 7623 “sustainable energy” construction support vessels (CSVs) with global shipbuilder CMHI. The owner describes them as the “world’s most energy-efficient vessels,” designed to operate across both offshore renewable and oil and gas sectors – underscoring the drive for green, flexible assets. Delivery is expected in mid-2027. 

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5. Trump set to slowly strangle offshore wind in the US

An opinion piece argues that policy moves by the US administration risk significantly undermining the offshore wind sector – curtailing future investment, threatening jobs, and chilling the supply-chain expansion required to meet clean-energy goals. The article warns of long-term repercussions for the US offshore wind market. 

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