Gas customers in Jersey will see their bills increase by about 5% from 1 December after Island Energy announced a rise in tariffs for households and businesses.
The company said its mains gas, mini bulk tank and cylinder tariffs would increase by 1p per kilowatt hour (kWh) for all domestic and commercial customers from 1 December 2026.
It said the increase reflected higher wholesale gas and liquefied petroleum gas costs amid disruption to exports and shipping routes in the Middle East after the conflict with Iran.
Chief executive Graeme Millar said: "We recognise that any price increase is unwelcome, particularly during winter."
Securing fuel at lower prices in advance had limited the impact of wholesale cost increases on customers, Millar said.
However, the energy boss added: "It cannot fully protect customers from sustained increases in the cost of fuel and bringing it to Jersey."
Island Energy said customers concerned about paying their gas bills could contact its customer team to discuss what support might be available.
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