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Upgrades to Bordeaux electrical infrastructure complete

Upgrades to Bordeaux electrical infrastructure complete

Sunday 24 April 2022

Upgrades to Bordeaux electrical infrastructure complete

Sunday 24 April 2022


Guernsey Electricity has completed the installation of a new primary and secondary substation which is now operational and supplying customers in the Bordeaux area, replacing previous equipment first installed in 1964.

The primary substation is part of the high voltage network across the island which connects to the secondary substations that reduce the voltage to supply homes and businesses in the Bordeaux area.

The necessary replacement parts for the previous equipment are now not available. When upgrading electrical infrastructure Guernsey Electricity encloses equipment, where possible, to provide better security as well as maximising the lifespan of the components and reduce longer term operating costs.

The upgrade is a part of the company's asset management programme which invests in and prepares the network for the ever increasing use of electricity. The programme aims to replace two primary substations every year.

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Pictured: The upgrades are part of routine changes to Guernsey's electric network.

Sally-Ann David, Guernsey Electricity’s Chief Operating Officer, said the work demonstrated the company’s commitment to providing a secure supply of electricity across the network. 

Mrs David said this would assist in enabling “all Islanders and businesses to decarbonise their heating and transport as part of the energy transition".

“These installations are an example of that investment and upgrade, with Bordeaux being the most recent example, and this is also demonstrated by the new £4m bulk supply substation at Beau Séjour late last year," she said.

Mrs David added that their team worked hard to minimise disruption and maintain electricity supply for customers throughout the upgrade. 

“Both installations were also completed under budget and more than a month early than planned."

Pictured (top): The smaller secondary substation at Bordeaux was completed at the end of 2021 and the primary substation began supplying the network in March 2022.

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