"The Texas grid is isolated from the rest of the U.S., so transmission of power from other states was not available to relieve those stuck in the cold."<p>Not quite true, as I understand it. We are able to buy from the eastern grid, but not from the western one. There is also a link to the Mexican grid.<p><a href="https://www.kut.org/energy-environment/2021-02-16/why-does-texas-have-its-own-power-grid" rel="nofollow">https://www.kut.org/energy-environment/2021-02-16/why-does-t...</a>