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THE BIG PICTURE [INFOGRAPHIC]: A Generation Freeze

Before the polar vortex earlier this year, several severe cold weather events had presented comparable power generation operational challenges. POWER ranks those events here in terms of loss of generation capacity. Common themes observed in both severe and lesser cold weather incidents involve constraints on natural gas fuel supplies to generating plants, and generating unit trips, derates, or failure to start due to weather-related causes.

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Cold weather info graphic