Channel Islands Electricity Grid


The Channel Islands Electricity Grid is the joint company set up in 1998 between Guernsey Electricity and Jersey Electricity to operate and manage the submarine cables between Europe and the Channel Islands.
The CIEG is continuing to develop the undersea cable network with additional connections between the islands and France currently being devised. These subsea cables will give both Guernsey and Jersey greater security and better affordability, as they will give the islands the opportunity to increase the amount of imported energy.
Long term agreements with Électricité de France ensure the imported electricity is low carbon.
Co-operating through the CIEG, means the islands can work together towards improving the reliability of the grid system.

Cable connections

NameOperational periodRouteDistanceCapacityStatusNotes
Normandie 22000–presentSaint-Rémy-des-Landes, France to Jersey90 MWOperationalCable contains fibre optic cables
GJ12000–presentJersey to Guernsey60 MWOperationalCable contains 3 fibre optic cables of 24 fibres each.
Normandie 32014–presentArmanville, France to Jersey100 MWOperational
Normandie 12017–presentSurville to Jersey100 MWOperationalWork started in 2016. Follows same route as EDF1 at a cost of £40m it became operational in February 2017.
GJ2Jersey to Petit Bot, Guernsey100 MWpending
FAB LinkFrance to Alderney to Britain 1,400 MWScheduled
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EDF11984 - 2012France to JerseyRemovedFaulty cable lifted in 2016 for recycling

Future