Subsea cables are the unseen infrastructure powering 95% of global internet traffic and connecting the fast-growing web of offshore wind, interconnectors and transmission grids.
As networks expand, so do the risks. Telecom cable failures cost $1–3m. Power cable repairs can exceed $100m, with outages lasting months. And with 70 new telecom systems coming online by 2027, fault frequency is only going up.
Meanwhile:
– Repair vessels are scarce and in high demand
– Costs and day rates are rising
However, for certain repairs, AUVs, USVs and ROVs are already reducing subsea IRM costs by up to 70%. A recent WHOI deployment in Buzzards Bay proved how AUVs slash vessel time on telecom cable inspections and repairs.
The tech’s here. The case is made. It’s time to invest in the service capability we all rely on.
Download our latest guide, ‘The Evolving Electricity Market: What Investors Need to Know About Renewables, Balancing, and Grid Flexibility,’ for in-depth insights into these market dynamics and to identify key investment areas.
Authored by Elliot Hobson.
What do you do next?
Reach out to one of the Calash team below, and we can arrange a confidential discussion on your business needs and where we can provide the most appropriate support. We always tailor our advice and consulting solutions to our clients and seek to integrate them into your existing business development resources at whatever level of depth is preferred.
It all starts with a conversation to understand your objectives.

Director
i.gallow@calash.com