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UK’s cheapest dual fuel energy tariff revealed

First Utility's iSave V3 undercuts British Gas

First Utility’s iSave V3 energy tariff is now the cheapest dual fuel deal across the UK – for both standard and online tariffs.

The average iSave dual fuel energy bill from First Utility is now £889, undercutting the next cheapest online tariff from British Gas. This comes just days after First Utility became the cheapest standard tariff provider available in the UK.

You can compare First Utility’s iSave V3 tariff to other cheap energy deals in your area using Which? Switch.

Free smart meter

Customers on the new iSave V3 tariff will also be offered a free smart meter in coming months, as First Utility continues its roll-out of smart meters across UK households on a region by region basis. 

First Utility’s smart meters take automatic energy meter readings every 30 minutes, providing graphs and energy consumption data which customers can view online.

Research shows smart meters can cut energy use by 10%. See our guide to smart meters and review of energy monitors for the Which? verdict on energy monitoring gadgets.

Lower your gas and electricity bills

You can compare energy prices and switch to a new gas and electricity supplier on Which? Switch. People who switched with us between 1 October and 31 December 2013 are predicted to save an average of £234 a year on their bills.

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