Simplistic, but: http://www.ercot.com/content/wcm/lists/181766/IntGenbyFuel2020.xlsx http://www.ercot.com/content/wcm/lists/181766/IntGenbyFuel20... 1/4 of th

Simplistic, but: http://www.ercot.com/content/wcm/lists/181766/IntGenbyFuel2020.xlsx http://www.ercot.com/content/wcm/lists/181766/IntGenbyFuel20... 1/4 of the mix is wind, and turbines were frozen. Maintenance in extreme condition not done, because either they didn't think it was needed, or because they didn't want to pay for it.