It's not like they take down your power line and run a new one. It's just a software switch flip on who has to chase down your money for a bill..

They can easily switch to other retail power providers. There are other services in Texas that you can subscribe to that will automatically switch your retail provider based on whoever happens to be providing the best deal on any particular day.

If they don’t switch to another provider they are automatically switched to a provider of last resort (POLR) which is a predetermined provider based on ERCOT policy.