Channel Islands Electricity Grid

The Channel Islands Electricity Grid (CIEG) 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 (EdF) ensure the imported electricity is low carbon.[1]

Co-operating through the CIEG, means the islands can work together towards improving the reliability of the grid system.

Cable connections
NameOperational periodRouteDistanceCapacityStatusNotes
Normandie 2[2]2000–presentSaint-Rémy-des-Landes[3], France to Jersey17 kilometres (11 mi)90 MWOperationalCable contains fibre optic cables
GJ1[4]2000–presentJersey to Guernsey37 kilometres (23 mi)60 MWOperationalCable contains 3 fibre optic cables of 24 fibres each.
Normandie 3[5]2014–presentArmanville (Pirou), France to Jersey32 kilometres (20 mi)100 MWOperational
Normandie 1[6]2017–present Surville to Jersey27 kilometres (17 mi)100 MWOperationalWork started in 2016.[7] Follows same route as EDF1 at a cost of £40m it became operational in February 2017.
GJ2[8]Jersey to Petit Bot, Guernsey38 kilometres (24 mi)100 MWpending
FAB Link[9]France to Alderney to Britain (FAB Link)220 kilometres (140 mi)1,400 MWScheduled
EDF1[10]1984 - 2012France to Jersey27 kilometres (17 mi)RemovedFaulty cable lifted in 2016 for recycling[11]

Future

  • Possible - France to Guernsey [12]
  • Unlikely - Guernsey to Sark [13]

References
  1. "Channel Island grid strengthened". Sustainable Guernsey. 29 May 2013.
  2. "Normandie 2". 4C Offshore.
  3. (fr) Présentation de la seconde interconnexion électrique entre l'île de Jersey et la France website rte-france.com
  4. "GJ1". 4C Offshore.
  5. "New Jersey electricity cable 'will be more secure'". BBC. 30 May 2014.
  6. "Jersey Electricity signs contract for third power cable". JE.
  7. "Undersea Cable laying starts on new link to France". GE.
  8. "GJ2". 4C Offshore.
  9. "The France-Alderney-Britain ("FAB") project". Transmission Investment.
  10. "The Channel Island Electricity Grid (CIEG)". Visit Jersey.
  11. "Faulty undersea cable removed ready for powerful replacement". Guernsey press. 23 April 2016.
  12. "Direct power cable to France needed – Guernsey Electricity". Guernsey Press. 4 Nov 2015.
  13. "Prove you can pay £6m. for power cable, T&R tells Sark". Guernsey Press. 27 Mar 2015.
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