Ed Miliband attacked the strike price agreed between the Government and EDF over energy generation at the Hinkley C nuclear power station.
"We're in the ridiculous position today where we've got the Prime Minister who says that he can fix prices 35 years ahead for the energy companies but he can't freeze prices now for the consumer.
"No wonder we've got a cost of living crisis in this country."
He added that Labour supports nuclear power but said the Government needs to take "action" on energy price rises.
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