How to check the power capabilities of a house?
Go to the main breaker box and find the main breaker, or "Service Disconnect". It will be separated from the other breakers, and perhaps even in a different box.



The number on the breaker, eg "100" is the max number of amps that your box is wired for (Of course, you would need to distribute your load appropriately.

Have you looked into renting a large generator for the day?