Propane tank + generator.

Asap.

It's not for now, it's for later. It just so happens you could use it now too.

 

 I agree with you.

However, not my house. Not my decision. 

 Use Ego Yard tools then get one of these. https://egopowerplus.com/nexus-portable-power-station/ 

 Not great for long outages. But better than nothing. 

 Exactly my set up