SSEN Completes Bute-Cumbrae Subsea Cable Replacement

Scottish and Southern Electricity Networks (SSEN) has completed project to replace one of the two electricity subsea cables connecting Bute and Cumbrae, with new additional fault detection technology set to be installed in the coming months.

Cumbrae receives its power from the mainland by two subsea cables, one of which was approaching the end of its operational life. To ensure it could continue to deliver electricity to the communities on Cumbrae, SSEN applied to Marine Scotland last autumn for a licence to install a replacement cable.

Following a successful public consultation, the licence was granted and work on the new 5.8 km cable between Kerrylamont Bay in Bute and Bell Bay in Cumbrae began earlier this year.

The new subsea cable is now in place and energised, delivering power to homes and businesses from the mainland. To further increase the reliability of supplies to the island, SSEN is set to introduce innovative monitoring devices on the new cable this year, giving SSEN real-time ‘health’ updates. This is possible thanks to SSEN’s £1.5m Network Innovation Allowance (NIA) project, SUBsense.

This new technology, known as Distributed Acoustic Sensing (DAS), will give SSEN’s team notification of any cable movements and collisions. This monitoring will also notify SSEN when there is an immediate concern of the health of the submarine cable or the safety of nearby marine users, enabling its teams to be proactive in responding to potential faults, the company explained.

Mel Chisholm, SSEN’s project manager for the Bute-Cumbrae cable installation, said: “This essential project forms part of our ongoing commitment to deliver a safe and secure supply of electricity to Scotland’s island communities, and we’d like to thank everyone for their feedback and support throughout the consultation process and as installation works progressed. 

“Successful completion and energization of the cable will go a long way to delivering the power homes and businesses rely on for many years to come.”

Peter Taddei, project manager of the SUBsense project, added: “Project SUBsense is all about ensuring that our customers who rely on subsea cables for their power get the safest and most reliable supply of electricity we can deliver. Being able to get a real-time health check on the new cable’s condition means we’ll be able to see any damage or detect potential faults developing, which in turn allows us to carry out repairs quickly and effectively.”

Around 90 km of submarine cables connecting Scotland’s island communities are being replaced during the current Ofgem price control period (RIIO- ED1), which runs from 2015-2023.

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6th Offshore Well Intervention Conference Gulf of Mexico

The Offshore Well Intervention Gulf of Mexico conference (OWI GOM) is returning to Houston, Texas for its sixth year on Wednesday 20 – Thursday 21 November.

Featuring Anadarko, BP, Shell, Chevron, BHGE and Oceaneering, the conference aims to help operators transition to the latest compliance updates, WI systems and business models that enhance safety, quicken well access and improve commerciality.

Across two days, more than 200 delegates, 15 exhibitors and 30 speakers will network together and create solutions to some of the most pertinent industry challenges right now, through a conference programme focused on:

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For registration, speaking or sponsorship enquiries contact Abigail Clifton on aclifton@offsnet.com; +44 (0) 203 793 8800.

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