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I am wondering can other states not step in here and help Texas by supplying electricity.

Largely not because the TX power grid mostly isn't physically connected to the grid of the rest of the US.

https://www.king5.com/mobile/article/news/verify/texas-indep...

My understanding is that this was largely deliberate on the part of the state of TX to minimize the impact of federal energy regulations on the TX grid.

The idea being that the federal regulations devise their authority from the regulation of interstate commerce via the commerce clause, but if TX chooses not to participate in interstate commerce, the federal regulations don't have authority to apply to TX.

Wow. I hope other states who have a similar setup learn from this and take adequate measures to avoid situations like this in the future.

No other state operates its own grid, this is a unique "feature" of Texas trying to avoid federal energy regulation in the 70s.

The US (minus Texas) is split in to an Eastern and Western grid, so that a single doomsday event can't knock the entire country offline.

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