Why Does the Power Go Out When It’s Cold?

Why Does the Power Go Out When It’s Cold?

Posted by Erich Gunther of IEEE
Friday, January 24, 2014 - 10:30am

The extreme cold temperatures experienced by a large part of the United States this month have highlighted the vulnerability of power systems equipment in such extreme weather. This week’s snowstorm led to power outages in the Northeast, but cold weather alone can be enough to cause problems: The Tennessee Valley Authority, which serves 9 million people in the Southeast, urged customers Thursday to conserve energy to prevent a cold-weather outage. The average person might ask, why would my power go out when it’s just cold outside?

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