Guernsey's Electricity Generation and Future Interconnector Plans
Guernsey's power primarily relies on an underwater interconnector, supplying 90% from the European mainland. A new interconnector is planned by 2028 to meet rising demand amid concerns of price volatility and infrastructure investment.
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Guernsey households depend on an underwater interconnector cable (GJ1) for 90% of their electricity, sourced mainly from nuclear plants in mainland Europe. The current cable can transport approximately 60 MW, while demand ranges from 25 MW to 95 MW, expected to rise.
Guernsey Electricity plans to negotiate a new agreement with EDF for power supply by 2028. The firm will likely borrow from the States of Guernsey to fund a new interconnector, with options being Jersey or France.
A 30-year pricing model indicates manageable tariff increases, despite initial challenges for consumers. Renewable energy initiatives, like tidal and wind energy, are under discussion, though immediate implementation is uncertain.
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