What happened in Texas was Sum of all fears. Every type of energy production failed, and entire state from Dalhart to Del Rio were under winter storm at the same time.

The core issue is whether to winterize the infrastructure or not, in 2011 North Texas was effected by rest of the state did not have to endure cold front, that was thought to be once a generation thing. (Remember the cold snow superbowl in DFW in 2011?).