There's an NPR podcast series about that - The Disconnect: Power, Politics and the Texas Blackout https://www.npr.org/podcasts/1004840920/the-disconnect-power-p

There's an NPR podcast series about that - The Disconnect: Power, Politics and the Texas Blackout https://www.npr.org/podcasts/1004840920/the-disconnect-power-politics-and-the-texas-blackout https://www.npr.org/podcasts/1004840920/the-disconnect-power... The issue is how they set up the grid and avoided any federal regulation. Additionally, the market structure that it uses is designed to be running as close to being a blackout as possible without actually blacking out in the name of "an efficient market".