Grid failure in TX had to do with not being up to national standards, not because of not being ?green?.

No supporting information is added but her claim is presented as fact (rather than opinion) and retweeted thousands of times. It should be clearly marked as opinion.

A lack of winterization at the power generation plants is the cause of the shortages.

Statements like this should be accompanied by some sort of source link even if it's true.

Texas has heavily invested into Wind Turbines (Green Tech) which catastrophically failed in the subarctic temperatures. These types of energy producers typically fail in extreme weather conditions and are not viable in those climates.