Choosing the right generator comes down to what you’re actually powering. Start...

https://shedblog.com.au/what-to-consider-when-hiring-a-generator/

Choosing the right generator comes down to what you’re actually powering. Start by adding up your total wattage so you don’t trip the breaker under load. Diesel is best for long days on site, while petrol is fine for a weekend DIY project