Since 2005, older people have seen their energy bills more than double.
In 2005, the average annual spend was £668.98, compared to £1,355.90 last year, research from Saga has found.
The report said that the over 65s spent an estimated £17.4 billion on electricity and fuel bills in 2012.
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It comes as households already face a triple-whammy from airfares, fuel and electricity prices.
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