Subsea Services

MARINE CONSTRUCTION

MARINE CONSTRUCTION

Project leaders of by far the world’s longest immersed tunnel have told Maritime Journal that the 18km Fehmarnbelt tunnel linking Denmark with Germany will be delayed by 18 months.

7th January 2026

World’s longest immersed tunnel delayed 18 months

7th January 2026

VESSELS

VESSELS

The UK’s Royal Navy has issued a £10.25m (€11.6m) tender for a fleet of 20 Uncrewed Surface Vessels (USVs) for its Surface Flotilla (SURFLOT).

17th December 2025

Royal Navy issues £10m Project Beehive tender for unmanned boats

17th December 2025

VESSELS

VESSELS

The final vessel in Ocean Infinity’s 14-vessel Armada fleet has been delivered, ‘closing a chapter’ on five years’ work, says the company.

17th December 2025

VIDEO: Last vessel in Ocean Infinity fleet delivered

17th December 2025

APPOINTMENTS

APPOINTMENTS

Former Ørsted CEO Mads Nipper has been appointed chairman of the board at MacArtney Underwater Technology.

16th December 2025

Former ​Ørsted CEO takes seat as chair of MacArtney board

16th December 2025

ENVIRONMENT

ENVIRONMENT

An offshore gas rig is being hailed by its owners as the first in the North Sea to be powered by offshore wind power.

16th December 2025

Wind farm connected to power North Sea gas rig

16th December 2025

SUBSEA SERVICES

SUBSEA SERVICES

As global tensions spread to threatening Europe’s critical underwater infrastructure, particularly in the Baltic Sea region, governments are addressing the challenges of protecting vital subsea links requiring potentially military-level responses but involving…

15th December 2025

Subsea sabotage – the hidden front of warfare

15th December 2025

MARINE CONSTRUCTION

MARINE CONSTRUCTION

Europe’s offshore wind revolution is running into a hard physical limit – the electricity grid.

11th December 2025

Offshore wind’s sky-high potential hits onshore grid wall

11th December 2025

ENVIRONMENT

ENVIRONMENT

Fourteen offshore locations have been offered around the coast of Scotland and England to potentially store carbon dioxide captured from industrial processes.

11th December 2025

CCS licensing round opens as Scottish project rejected

11th December 2025

VESSELS

VESSELS

Irish ocean data acquisition company Xocean has been hired to survey six Dutch offshore wind farms over five years, it has said.

9th December 2025

Irish firm wins contract to survey 6 Dutch wind farms

9th December 2025

VESSELS

VESSELS

UK-based ZeroUSV is building an uncrewed surface vessel (USV) that it says proves it and other SMEs can deliver ultra long-distance, high payload autonomous vessels in months rather than years.The vessel, Oceanus17, is…

8th December 2025

ZeroUSV reveals shorter timeframe for larger vessel build

8th December 2025

ENVIRONMENT

ENVIRONMENT

The UK’s carbon capture sector faces a critical juncture with policy uncertainty threatening progress on key marine infrastructure developments.

8th December 2025

UK’s carbon capture market at critical crossroads

8th December 2025

SUBSEA SERVICES

SUBSEA SERVICES

Kongsberg Maritime has secured a major contract to supply launch and recovery technology for Sea1 Offshore’s new offshore construction vessels.

4th December 2025

Next-gen LARS boosts subsea operations

4th December 2025

SUBSEA SERVICES

SUBSEA SERVICES

HydroSurv has secured new funding to advance an autonomous vessel system for 3D sub-bottom profiling to transform subsea survey work in offshore wind.

1st December 2025

A new era for autonomous sub-bottom profiling

1st December 2025

MARINE CONSTRUCTION

MARINE CONSTRUCTION

Finland has joined the Carbon Capture and Storage (CCS) wave, announcing plans to kick off its first industrial-scale project at the Port of Helsinki.

28th November 2025

Finland launches first industrial-scale offshore CCS scheme

28th November 2025

SECURITY

SECURITY

A declaration signed by Norway ‘in the presence of Poland’ is being hailed as a first step towards regional states working together to protect vital subsea infrastructure in the Baltic Sea region.

26th November 2025

Norway signs Baltic subsea protection pact

26th November 2025

VESSELS

VESSELS

Marine contractor Jan De Nul is pushing the boat out again with the order of a third 30,000-tonne rock installation vessel.

20th November 2025

Jan De Nul orders third >30,000t rock installation vessel

20th November 2025

SUBSEA SERVICES

SUBSEA SERVICES

Dieseko Group and CorPower Ocean have entered into a joint research project aimed at improving offshore anchor design and installation efficiency.

18th November 2025

Project aims to advance offshore anchor technology

18th November 2025

VESSELS

VESSELS

The launch of the Nexans Electra marks a major milestone in the vessel build for one of the industry’s most advanced cable laying vessels.

17th November 2025

WATCH: Nexans Electra CLV launch milestone

17th November 2025

SUBSEA SERVICES

SUBSEA SERVICES

Raymarine has joined forces with the Seabed 2030 project to advance seabed mapping and support safer vessel navigation across global subsea operations.

13th November 2025

Raymarine backs global seabed mapping drive

13th November 2025

SUBSEA SERVICES

SUBSEA SERVICES

The battery manufacturer Volklec is driving vessel electrification forward with offshore technology innovator Walker Subsea to deliver a next-generation underwater power system for subsea offshore operations.

12th November 2025

Battery innovation aims to electrify subsea operations

12th November 2025