“On average, renewable energy sources - mostly wind - account for about 20% of its energy supply .
On Tuesday, the state's principal energy supplier, the Electricity Reliability Council of Texas (Ercot), said the freezing conditions had led to :
30GW being taken offline from gas, coal and nuclear sources
a 16GW loss in capacity in wind and other renewable energy supplies”
In other words, 80% of the capacity resulted in 30GW worth of outages. If the 20% of wind capacity performed the same,it would’ve lost just 7.5GW, compared to the more than double it lost. That 8.5GW of extra capacity lost may have been the difference between outages and everything running normally (or at least a lot less outages).