Speaking on Sky News, meteorologist Dr. Halldor Bjornson notes that the worst possible combination is for strong winds and a continued strong eruption.

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"This is the worst time we've ever had in the business, " says Matt Bjornson, third-generation co-owner of Bjornson Oil Company in Cavalier, N.

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During the following two decades, the role played by gas should gradually give way to more rapid growth of nuclear and renewable energy, mainly wind power, Mr Bjornson said.

BBC: Coal-to-gas power shift 'to cut energy costs'

"The reason why it is cheap is that gas power requires lower investments than coal and nuclear power plants, " the head of Statoil's gas division, Rune Bjornson, told BBC News.

BBC: Coal-to-gas power shift 'to cut energy costs'

"We were barely breaking even, " says Bjornson.

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