You can run a small model off a home generator — so in an emergency, you’d turn on both the generator and information service, eg, a mesh for “quick” responses querying that huge collection of information.

That way your machine that, eg, normally plays video games or does AI work can support relief efforts by supporting emergency response IT. You don’t need to mothball the machine, just have an “emergency” boot USB than can run the services from your home generator.

You don’t even need to bring it with you: turn it on and leave it “best effort” at home, while you continue to use it via WAN.