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  • Bute – Cumbrae Cable Replacement

  • Project overview

    Our project to replace one of the two electricity subsea cables connecting Bute and Cumbrae is now complete, with new additional fault detection technology set to be installed.

    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 a safe and reliable supply of electricity to the communities on Cumbrae, we 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 5.8km 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. 

    Around 90km 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. For more information, please visit www.ssen.co.uk/submarinecables.

    Stage 1