“Due to abnormally cold weather, our operations have been severely impaired to the point where they cannot be restored while running”
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What does that mean exactly? What operation are hurt by cold weather?
Read the book”Shorting the Grid”.
More and more of the generation capacity is being fueled by natural gas.
During cold weather natural gas is diverted from industrial and power generation usage to residential heating.
Pipelines only have so much capacity.
My guess is the plant couldn’t get the power they needed. That cold could have have resulted in melting pots being damaged.