The firm claims that Gordon Brown should have used last year's high oil prices to inform customers that sudden increases in energy costs could become a common feature of energy markets.
"Instead, our leaders told the public they had a right to expect a return to the low costs of the past," said Andrew Duff, chief executive officer of RWE npower.
Meanwhile, a recent survey carried out by the European Commission found 45 per cent of people expect governments to focus on keeping energy prices low.
According to the Department of Transport's Lord Adonis, transportation is a key ingredient of a low carbon economy.
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