Electricity companies Sydkraft, Vattenfall and Fortum said the power grid would not be completely repaired for a week.

"In some cases damage is such that solutions can only be temporary ... Repairs will run into the spring," Fortum said in a statement.

Fourteen people died in the severe weather in northern Europe over the weekend -- seven in Sweden, four in Denmark and three in Britain -- mainly in their cars after they were hit by uprooted trees.

On Sunday more than 400,000 households had been left without power in Sweden as road and rail traffic was disrupted in the deadliest storm since

The bad weather was preceded by unusually mild temperatures. Vaestervik, on Sweden's southeastern coast, registered temperatures of 11.2 degrees Celsius (52 Fahrenheit) on Saturday, the highest for that day since 1859.

Damage was estimated at 500 million Swedish kronor (55.5 million euros, 72 million dollars), according to insurance group Laensfoersaekringar.

In Denmark some 16,500 homes were still without power on Monday, including 12,500 in the Copenhagen region, while damage in the entire country was estimated at one billion Danish kronor (134 million euros, 176 million dollars).

And as the bad weather subsided late Sunday, meteorologists warned that a new storm was building up in the Norwegian Sea and was expected to hit northern Norway on Monday.

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