From what I've seen, you cannot keep 100% of generation online. However, in a properly designed and winter weatherized system stations should be able to come on

From what I've seen, you cannot keep 100% of generation online. However, in a properly designed and winter weatherized system stations should be able to come online to pick up the slack. In the reports I've seen this seems to be a high rate of failure point leading to the issues seen in Texas this week.