Pick your generator by matching power to your gear, accounting for start-up...

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

Pick your generator by matching power to your gear, accounting for start-up surges. Use petrol for portability or diesel for long, heavy-duty runs. Grab a quiet inverter model for backyard events to keep the neighbours happy