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iSupplyEnergy is owned by Vattenfall, which has nearly nine million electricity and gas customers across Europe. Start your quote now. 

Our Fuels

"Great service and competitive prices"

David, Peterborough

Our Promise to You

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24/7 online account to view your bills and submit meter readings, with a UK-based support team here to help.

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Low prices for all

Offering you dual fuel and single fuel gas and electricity tariffs for 12, 24 and 36 months at competitive prices.

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