ECG™ holistic cable monitoring system

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Deployed by 2 companies

Optimise, predict and protect

Page last modified
August 7 2025

Subsea cable and termination faults are common, but they can take a lot of time and money to fix. ORE Catapult data shows that they are responsible for 75-80% of the total cost of offshore wind insurance claims. Compounded over the 30 year life of the wind farm, the potential liability could spiral to  £25m for inter-array cables and £292m for export cables* - and that’s not including lost power generation.

The issue is that traditional monitoring methods such as ROV inspections or isolated sensors will not help to mitigate these costs, as they are reactive and can only offer an isolated view of an individual fault. Worst still, standard inspections can miss crucial faults on joints and terminations, and any warning signals that a problem has occured comes too late. 

Your solution: an online, synchronous cable monitoring system

ECG™ introduces a step-change in traditional monitoring methods, offering comprehensive visibility across cable assets, including terminations. Adopting an integrated and scalable approach, our solution provides real-time analysis with insights through an intuitive user interface. Enabling proactive decision-making, improving utilisation and reducing OPEX costs, ECG™ delivers complete peace of mind.

  • Continuous automated data analysis
  • Scheduled reporting
  • Predictive events highlighted​
  • Wind farm level visualisation​
  • Identify warnings, events and impacts​
  • Holistic view​
  • Real-time data​
Pros & Limitations
1
Maximise power transmission and increase efficiencies
1
Reduce failures as a result of intelligent monitoring
1
Protect against serious events with warnings of developing faults
1
Save OPEX and vessel costs with planned intervention
1
Plan lower cost interventions around weather and resource availability
1
Peace of mind about the condition and integrity of your cable
Specification
Title Description
Theme/Discipline
Subsea(Proactive) Monitoring
Core Tech
Instrumentation & Measurement
Industry
Wind
Areas of application
Fixed, floating, HVAC, HVDC, new wind farms, operational wind farms
Failure mode coverage
Insulation breakdown from electrothermal and mechanical failure, external aggression, mechanical pressure, electrical and water treeing, optical fibre fault, harmonic content, overvoltage with electromagnetic transient, partial discharge
Sensor technologies
Distributed electrical sensing (DES), distributed acoustic sensing (DAS), distributed temperature sensing (DTS), partial discharge detection, environmental data
Sensor technology integration
Compatible with all OEM sensing technology manufacturers
Data sources
IEC 61850 compliant DES
Data transmission and transfer
Protocol standardisation with secure data gateway
Technology Readiness Level

The Technology Readiness Level (TRL) indicates the maturity level of novel technologies. Learn more about the TRL scale used by us.

[6/9]

Development Technology demonstration Mature / Proven
Ask the supplier
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Proserv is a controls technology company serving the global energy industry. We provide cutting-edge technologies to our customers to support the entire lifecycle of an asset, improving reliability, optimising performance and extending the life of critical infrastructure. By combining our technical ingenuity with our engineering, manufacturing and field service expertise, we create innovative, industry-leading solutions that are flexible and agnostic by design, able to be integrated into any existing system. Our Proserv technology ethos prioritises regeneration, upgrade and augmentation before replacement, widening functionality and capability, while minimising expense, saving time and reducing environmental impacts.

Country of Headquarters
United Kingdom

Relative Business Impact

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