Independent: Britain faces an energy crisis next month as vital gas reserves run dry, top energy analysts warn. The unprecedented emergency, which exposes a gaping hole in the country’s energy security, is expected to lead to sharp price increases. Centrica, which owns British Gas, told The Independent on Sunday late last week that, on present trends, its main reserve would be totally depleted in a little over three weeks. And though extra gas can be imported from Norway and the Netherlands to …