Delivering the Energy Transition
Guernsey Electricity Infrastructure Plans
Below we've listed Guernsey Electricity's roadwork plans for 2024. To see all the island's roadworks, please visit the Traffic and Highways website.
Jargon translation
| Green Sector | This refers to a section of the island covering the South/South East Corner of Guernsey which currently is the area most affected by supply overload. |
| HV | High Voltage |
| LV | Low Voltage |
| Fibre optic ducting | A system of protective channels or conduits designed to house and safeguard fibre optic cables for data transmission. |
| Jointing | Connecting and sealing electrical cables or wires to ensure a safe and efficient flow of electricity |
Mount Row (East)
1 May to 7 June 2024
Install HV, LV & fibre optic ducting to enable new Princess Elizabeth Hospital transformers to supply Green Sector (South/ South East Corner of the island) and help reduce current overloading in the Green Sector.
Doyle Road - Full Closure
15 May to 30 October 2024
Overlay of LV cables in Doyle Road to increase LV capacity, and install a new 8-way LV Distribution pillar in Doyle Road.
To provide the residents in this area with better access to electrical infrastructure for future installations such as electric heating and EV charging, we'll also upgrade all (47) Doyle Road services and install HV ducting for future strategic use.
Rue Cotelle and La Villette junction
17 May to 31 May 2024
HV, LV and fibre optic ducting to replace end-of-life HV cabling between Rue des Auberts and La Villette.
Les Martins/ Les Hurettes/ Les Pages Junction
31 May to 20 June 2024
HV, LV and fibre optic ducting to replace end-of-life HV cabling between Rue des Auberts and La Villette
Prince Albert Road - Closure 2
1 June to 7 June 2024
Pull in and joint HV cables and fibre optic ducting from Mount Row into Prince Albert Road
Mount Row (West) & Le Vauquiedor
10 June to 20 September 2024
Trafficworks application: P030970-GE1
Installing HV, LV & fibre optic ducting and cabling to enable the new transformers at the PEH to supply the Green Sector to reduce he current overloading.
We'll upgrade HV cabling between the Richmond substation and the PEH and complete an LV overlay in Mount Row. Additional load applications in this area are being refused at this time as the current LV network is at capacity so this upgrade should free up load in the area for additional electrical installations for residents.
Please note, over some weekends this closure will clash with planned works by Guernsey Water in Bailiff's Crossroads so diversion routes over these weekends may be longer.
Access to the hospital via Le Vauquiedor to be from the Guernsey Dairy for a majority of the works.
Les Pages/Longtrac
20 June to 9 August 2024
Installing HV, LV and fibre optic ducting to replace end-of-life HV cabling between Rue des Auberts and La Villette.
Rue de Dol
22 July to 26 July 2024
During the school summer holidays, continuation of trenching to duct across Rue de Dol to Les Effards Substation will happen for a new HV Cable to replace the currently overloaded HV cable.
Rue de la Masse
22 July to 3 September 2024
During the summer holidays, we'll install two new HV cables to help reduce overload on the Saumarez Park cabling which supplies Les Genats and the West Coast areas with electricity.
Ville au Roi/ Mount Row/ King's Road junction
27 July to 16 August 2024
Installing HV, LV and fibre optic ducting to allow the transformers at the PEH to supply the Green Sector and reduce current overloading in that area. This work must be done in the school summer holidays.
Please note: some weekends will clash with planned works by Guernsey Water in Bailiffs Cross so diversion routes over those weekends may be longer.
Baubigny Road
29 July to 23 August 2024
To replace currently the overloaded HV cable and upgrade the Baubigny secondary substation, during the summer holidays we'll implement a continuation of trenching to install new HV cable.
Full closure (in stages) of Mount Row (West) and Le Vauquiedor
August 2024
Crossing of Rue Mignot junction to connect fibre ducts and pull in HV cables.
Emergency service access to the hospital will be from Bailiffs Cross for first part then switch to from Ville au Roi, which will be coordinated with PEH management.
Route du Tertre/ Rue de la Lande junction
7 August to 19 August 2024
Installing two new HV cables to reduce overload on Saumarez Park cabling which supplies Les Genats and West Coast areas with electricity. This again will happen during the school summer holidays.
Le Hurettes Lane
9 August to 27 September 2024
HV, LV and fibre optic ducting to replace end-of-life HV cabling between Rue des Auberts and La Villette.
La Charotterie/ Ruettes Brayes Roundabout
19 August to 3 September 2024
HV, LV and fibre optic ducting to enable the new transformers at the PEH to supply the Green Sector and reduce current overloading in that area.
Les Nicolles Lane
16 September to 18 October 2024
Installing HV, LV and fibre optic ducting to replace end-of-life HV cabling between Rue des Auberts and La Villette.
Ruette Brayes (lower)
14 October to 30 October 2023
Final jointing to connect and energise the new Green Sector cable - this work will complete our Green Sector project.
La Villette Road & Rue des Auberts Road
18 October - 29 November 2024
Final cable jointing for Rue des Auberts to La Villette overlay - final dates to be confirmed as the project progresses.
The system that powers everything we do is buried beneath our feet.
It's our team that needs to replace a grid originally designed to supply the demand of 20th-century Guernsey with an infrastructure that can power our busy modern lives.
But we do understand how frustrating roadworks can be. As we don't use overhead power lines in Guernsey, the bulk of our network is underground cabling which means you'll probably notice more roadworks around as we modernise the island's electricity system.
Following the States approval of the Electricity Strategy in 2023, our team are well underway implementing the Energy Transition which involves a staged upgrade of the electricity network from 2023 to 2050.
