Deals from energy providers are rising as Britain's cheapest rate has gone up £100 in six months

Courtney Goldsmith
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Even the cheapest energy deals are experiencing sharp rises
Even the cheapest energy deals are experiencing sharp rises (Source: Getty)
he cheapest energy deal on the market has risen £100 – 14 per cent – in just six months, new data suggests.

An analysis of the market showed the cheapest deal in July 2016 was Iresa's Flex 1 tariff, costing £734 per year.

Now, the best deal is Iresa's Flex 4 tariff, which costs £834 per year, found price comparison website uSwitch.

The big six energy suppliers have hiked their cheapest deals by an average of £135, or 16 per cent, since September, with E.ON's cheapest deal increasing the most. The price rose 26 per cent from a £760 per year tariff available in September 2016 to a £959 tariff today.

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The average cost of standard variable tariffs at small and medium energy suppliers are also on the rise, climbing an average of nine per cent, or £87, since October.

The increasing cost of wholesale energy is to blame, uSwitch said. Last summer, prices started rising at their fastest rate in years.

Emma Bush, energy expert, said energy bills are set to rise further in 2017.

"The cost of both standard and fixed deals continues to rise, and the respite provided by some suppliers’ price freezes will soon come to an end," Bush said.

Big six energy supplier's cheapest deals in September 2016 and January 2017

Supplier Cheapest Deal in September Price Cheapest Deal in January Price Difference (£) Difference (per cent)
E.ON E.ON Saver Fixed 1 year v1 £760 E.ON Saver Fixed 1 Year v5 £959 £199 26 per cent
npower Online Fix September 2017 £801 Online Price Fix February 2018 £971 £170 21 per cent
EDF Simply Fixed October 2017 £849 Blue+Price Protection Jan 18 £967 £118 14 per cent
SSE SSE 1 Year Fixed v8 £782 SSE 1 Year Fixed v9 £970 £188 24 per cent
ScottishPower Online Fixed Saver November 2017 £820 Online Fixed Saver March 2018 £952 £133 16 per cent
British Gas All current British Gas plans £1,044 All current British Gas plans £1,044 £0 0 per cent
Average £135 16 per cent

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