Choosing the right generator comes down to matching the machine to your tools....

https://www.apu-bookmarks.win/choose-the-right-gear-by-sizing-it-to-your-specific-load-rather-than-guessing

Choosing the right generator comes down to matching the machine to your tools. Don't overdo the size, but make sure it handles your peak load without stalling. Check if you need petrol for portability or diesel for long days on site