Choosing the right generator starts with matching the output to your tools....

https://annamaid.com/how-far-in-advance-should-i-book-a-generator-for-an-event-the-pros-guide/

Choosing the right generator starts with matching the output to your tools. Check the wattage so you don’t trip the breaker mid-job. For fuel, petrol works for smaller tasks, but diesel is better for long days on site