[SecondAmendment]

From the proverbial horse's mouth, ERCOT 2021 Generation by Fuel spreadsheet.
Go to the "Summary" tab and you will see 25% of the ERCOT grid's generation is from wind.

Now go to the ERCOT Real-Time System Conditions page.You will see that the windfarms are currently producing 11% of total capacity as I calculate it right now.

The electricty mess here in Texas is due to unreliables™, CASE CLOSED.

[CottonBall]

“The electricty mess here in Texas is due to unreliables™, CASE CLOSED.”

And having an isolated grid. I wonder if they will consider a couple of supply lines from the rest of the US now.