# Subsea Cable Installation Vessels: Port Call Work > Offshore wind and grid cables are keeping cable-lay vessels busy. What that means for chandlers, agents and bunker suppliers at their ports. URL: https://vesselreach.si/blog/subsea-cable-installation-vessels-port-call-work | Published: 2026-11-04 | Industry news | Topic: Carrier service and surcharge changes ## At a glance - **What: What cable projects were announced?** LS Cable and LS Marine signed a capacity reservation for a 504 MW South Korean offshore wind farm, Nexans began making 525 kV HVDC cables for LanWin2 in Germany, and a 60 km subsea cable linked Folegandros to the Greek mainland grid. ([Offshore Energy](https://offshore-energy.biz/2026/11/03/ls-cable-ls-marine-secure-production-and-installation-capacity-for-504-mw-south-korean-offshore-wind-farm)) - **Who: Who is involved in the South Korean project?** LS Cable & System and LS Marine Solution signed the capacity reservation agreement with Taean Wind Power for the supply and installation of cables for the 504 MW offshore wind farm. ([Offshore Energy](https://offshore-energy.biz/2026/11/03/ls-cable-ls-marine-secure-production-and-installation-capacity-for-504-mw-south-korean-offshore-wind-farm)) - **Where: Where are these cable projects located?** The projects are in South Korea, Germany (LanWin2 offshore grid connection) and Greece, where the Folegandros cable connects the island to Santorini and Naxos. ([Offshore Energy](https://offshore-energy.biz/2026/10/20/folegandros-island-joins-greeces-mainland-power-grid-via-60-kilometer-subsea-cable)) - **When: When did these developments happen?** Nexans started cable manufacturing on 16 October 2026, the Greek cable was energised around 20 October 2026, and the LS agreement was reported on 3 November 2026. ([Offshore Energy](https://offshore-energy.biz/2026/10/16/nexans-starts-manufacturing-525-kv-subsea-cables-for-lanwin2-offshore-wind-grid-connection)) - **Why: Why is offshore wind growing?** Offshore wind is expected to be a major player in global decarbonisation efforts, leading to exceptional changes in modern power systems, according to a 2024 paper in the IEEE Open Journal of Power Electronics. ([IEEE Open Journal of Power Electronics](https://doi.org/10.1109/ojpel.2024.3390417)) - **How: How is the grid connection handled?** HVDC transmission is the preferred option for high power over distance with lower losses, but current applications lack scalability and universal control schemes for multi-terminal offshore systems, according to a 2025 paper. ([National Journal of Electrical Electronics and Automation Technologies](https://doi.org/10.17051/jeeat/01.03.01)) Subsea cable installation vessels are becoming regular port-call customers for chandlers, agents and bunker suppliers in offshore wind hubs. Their schedules follow project milestones, not liner routes, so the sales work starts earlier and needs different contacts. ## What happened Three cable projects moved forward in quick succession. LS Cable & System and LS Marine Solution signed a capacity reservation agreement with Taean Wind Power for a 504 MW South Korean offshore wind farm, covering cable supply and installation ([Offshore Energy](https://offshore-energy.biz/2026/11/03/ls-cable-ls-marine-secure-production-and-installation-capacity-for-504-mw-south-korean-offshore-wind-farm), 3 November 2026). In Germany, Nexans began manufacturing 525 kV HVDC subsea cables for the LanWin2 offshore grid connection ([Offshore Energy](https://offshore-energy.biz/2026/10/16/nexans-starts-manufacturing-525-kv-subsea-cables-for-lanwin2-offshore-wind-grid-connection), 16 October 2026). In Greece, a 60 km subsea cable linking Folegandros to Santorini and Naxos was energised ([Offshore Energy](https://offshore-energy.biz/2026/10/20/folegandros-island-joins-greeces-mainland-power-grid-via-60-kilometer-subsea-cable), 20 October 2026). Landlocked Vermont is also looking at Nova Scotia's offshore wind resources to diversify its grid supply, though the odds of procuring power from the US Eastern Seaboard are described as long ([The Maritime Executive](https://maritime-executive.com/article/vermont-eyes-nova-scotia-s-offshore-wind-resources), 4 November 2026). ## Why cable work matters for port suppliers Offshore wind is expected to be a major player in global decarbonisation efforts, bringing exceptional changes to modern power systems, according to a 2024 paper in the IEEE Open Journal of Power Electronics ([IEEE Open Journal of Power Electronics](https://doi.org/10.1109/ojpel.2024.3390417)). The same paper notes that grid integration of offshore wind raises concerns about reliability, stability and power quality, and that updated grid codes are needed to guide deployment. That grid build-out is physical work. Cables have to be manufactured, loaded, laid and protected, and the vessels doing it need fuel, provisions, spare parts and agency support at the ports closest to the project. ## The vessels and their port-call rhythm Cable-lay vessels, trenching support vessels and survey ships work a project base port for weeks or months. They are not passing through. That changes what a supplier sells and when. - **Longer windows:** a cable-lay vessel may return to the same quay repeatedly during a campaign, so a single successful stem can turn into a repeat order. - **Project cargo:** cable accessories, jointing materials and spares arrive on a schedule tied to the lay plan, not to a liner ETA. - **Different decision-makers:** the buyer is often the project logistics or marine operations manager at the installation contractor, not the fleet procurement team at a shipowner. For a port agent, that means husbandry work with a long tail: crew changes, cash to master, PDA (port disbursement account, the estimate of port costs before the call) revisions when a project schedule slips, and coordination with the cable manufacturer's logistics team. ## What the grid connection work involves HVDC transmission is the preferred option for moving high power over distance with lower losses and better stability, according to a 2025 paper in the National Journal of Electrical Electronics and Automation Technologies ([National Journal of Electrical Electronics and Automation Technologies](https://doi.org/10.17051/jeeat/01.03.01)). The paper also notes that current HVDC applications do not yet provide enough scalability, fail-safe operation or universal control schemes for multi-terminal offshore systems. For suppliers, the practical point is that cable projects are long-dated. Manufacturing starts months before the installation vessel mobilises, and the vessel's port calls are known in advance. A supplier who tracks the project timeline can approach the installation contractor before the vessel arrives, not after. ## Other work in the same week The offshore energy build-out is not only cables. New Fortress Energy sealed a long-term lease for 300 MW of mobile turbines with a US company while its Mexican FLNG unit targets a fourth-quarter restart ([Offshore Energy](https://offshore-energy.biz/2026/11/04/multi-year-us-deal-brings-liquidity-boost-to-new-fortress-energy-as-mexican-flng-targets-4q-restart), 4 November 2026). That kind of project also brings support vessels and port calls. ## Compliance and crewing signals Port suppliers should also watch how authorities treat crewing records. The Australian Maritime Safety Authority issued a 90-day ban on a bulker after finding falsified crew work records, part of its compliance priority on crewing ([The Maritime Executive](https://maritime-executive.com/article/australia-bans-bulker-after-finding-falsified-crew-work-records), 4 November 2026). For agents arranging crew changes, a vessel with a detention or ban history needs extra checks before committing to a tight project schedule. ## What maritime service providers should do 1. **Map the project, not just the port.** Identify the installation contractors and cable manufacturers working near your ports, then find the project logistics and marine operations roles. 2. **Track the vessel, not the ETA.** Cable-lay vessels often appear in AIS (the Automatic Identification System, which broadcasts a ship's position and identity) days before they berth. Use that window to send a capability statement. 3. **Quote for a campaign, not a single call.** Offer a repeatable service package for the project duration, with clear terms for schedule changes. 4. **Keep compliance evidence ready.** Crew records and vessel certificates matter more when a project schedule is tight. ## How VesselReach helps VesselReach turns vessel movements near your target ports into named companies and decision-makers before the vessel arrives. For cable-lay and offshore support vessels, that means: - **Vessel intelligence for scheduled and expected arrivals**, which means you can approach the installation contractor while the project is still being planned. - **AI company targeting** to identify the right company behind each vessel, whether that is the owner, manager or charterer. - **Decision-maker discovery by role**, including operations, procurement and project logistics contacts, so your first email reaches someone who can act. Book a VesselReach demo to see how it works on your ports. ## Frequently asked questions ### What is a cable-lay vessel and why does it need port agency support? A cable-lay vessel installs subsea power or telecom cables. It works from a project base port for weeks, needing crew changes, provisions, fuel, spares and customs coordination, so agency support is continuous rather than a single port call. ([Offshore Energy](https://offshore-energy.biz/2026/11/03/ls-cable-ls-marine-secure-production-and-installation-capacity-for-504-mw-south-korean-offshore-wind-farm)) ### How can ship chandlers find offshore wind installation vessels before they arrive? Track project announcements and cable manufacturing start dates, then use AIS and vessel arrival data to spot the installation vessel when it enters your port area. Approach the installation contractor's project logistics team early. ([Offshore Energy](https://offshore-energy.biz/2026/10/16/nexans-starts-manufacturing-525-kv-subsea-cables-for-lanwin2-offshore-wind-grid-connection)) ### Do offshore wind projects create repeat bunker demand at a port? Yes, when a vessel operates from one base port for a campaign. The same vessel may return several times during installation, so a single successful stem can lead to repeat orders if the supplier stays in contact. ### What compliance issues should port agents check before a project vessel call? Check the vessel's port state control history and crewing records. Australia's maritime authority banned a bulker for 90 days over falsified crew work records, showing that crewing compliance is an active enforcement area. ([The Maritime Executive](https://maritime-executive.com/article/australia-bans-bulker-after-finding-falsified-crew-work-records)) ### How does VesselReach help with offshore wind vessel outreach? VesselReach detects vessels near your selected ports, identifies the company behind each vessel and finds decision-makers by role. It then supports staged email, WhatsApp and phone outreach, with AI handling enquiries and escalating to a human when needed. ## Sources 1. [Vermont Eyes Nova Scotia's Offshore Wind Resources](https://maritime-executive.com/article/vermont-eyes-nova-scotia-s-offshore-wind-resources), The Maritime Executive, 2026-11-04 2. [LS Cable, LS Marine secure production and installation capacity for 504 MW South Korean offshore wind farm](https://offshore-energy.biz/2026/11/03/ls-cable-ls-marine-secure-production-and-installation-capacity-for-504-mw-south-korean-offshore-wind-farm), Offshore Energy, 2026-11-03 3. [Multi-year US deal brings liquidity boost to New Fortress Energy as Mexican FLNG targets 4Q restart](https://offshore-energy.biz/2026/11/04/multi-year-us-deal-brings-liquidity-boost-to-new-fortress-energy-as-mexican-flng-targets-4q-restart), Offshore Energy, 2026-11-04 4. [Australia Bans Bulker After Finding Falsified Crew Work Records](https://maritime-executive.com/article/australia-bans-bulker-after-finding-falsified-crew-work-records), The Maritime Executive, 2026-11-04 5. [Nexans starts manufacturing 525 kV subsea cables for LanWin2 offshore wind grid connection](https://offshore-energy.biz/2026/10/16/nexans-starts-manufacturing-525-kv-subsea-cables-for-lanwin2-offshore-wind-grid-connection), Offshore Energy, 2026-10-16 6. [Folegandros island joins Greece’s mainland power grid via 60-kilometer subsea cable](https://offshore-energy.biz/2026/10/20/folegandros-island-joins-greeces-mainland-power-grid-via-60-kilometer-subsea-cable), Offshore Energy, 2026-10-20 7. [Grid Integration of Offshore Wind Power: Standards, Control, Power Quality and Transmission](https://doi.org/10.1109/ojpel.2024.3390417), IEEE Open Journal of Power Electronics, 2024-01-01 8. [Advanced HVDC Transmission Solutions for Reliable and Scalable Offshore Wind Power Integration into Modern Grids](https://doi.org/10.17051/jeeat/01.03.01), National Journal of Electrical Electronics and Automation Technologies, 2025-10-16 ## More on this topic Subsea cable installation vessels are a growing source of port call work for maritime service providers. Offshore wind projects in South Korea, Germany and Greece are moving forward, and each one brings cable-lay and support vessels to a base port for weeks. For chandlers, agents and bunker suppliers, the opportunity is to track these vessels before they arrive and reach the installation contractor's project logistics team early. VesselReach helps by turning vessel movements into named companies and decision-makers. --- VesselReach, built by CatalystIQ. CatalystIQ Data Classification and Analysis Services, Al Qusais, Dubai, P.O. Box 129882, United Arab Emirates. info@catalystiq.ae, +971 58 599 7894. Book a demo: https://vesselreach.si/#demo. Pricing: contact us for a quote (https://vesselreach.si/pricing).