2000 Posts and climbing!!!
Join Date: Apr 2016
Re: Gathering opinions over natural gas generators
Go and check the actual power requirements of each of the appliances you want to work. That will give you the minimum power you need to keep everything running. Note, you need a bigger generator than this, as some appliances will need significantly more power to start them going.
As well, come up with a plan on how to switch between utility-feed and your generator, as you need to disconnect from the utility lines when your generator is working (ie, for safety of the utility workers, fixing power lines when there is an outage, and bad things can/will happen when both your generator and the utility lines are connected when they are both powered).
For example, the hair dryer on high, uses about 1.2-1.5kW. I would expect your pump motors to use more, and also need significantly more power just to start them up.