I am looking for a power source to be able to power a portable machine that is almost resembling the power usage of a 8

Question: I am looking for a power source to be able to power a portable machine that is almost resembling the power usage of a 8 storey bussiness facility ,it need to be light weight and not too big. Suggestions?
- Keywords:
  power
Asked by __zavia to Alice, Koko, Paul, Silvia, Tim on 30 May 2018.
- Timothy Chege answered on 30 May 2018:
  
  You can use one generator or several generators. But if worse comes to worst you can always use a compact nuclear reactor. It ought to satisfy your power needs.

Question: I am looking for a power source to be able to power a portable machine that is almost resembling the power usage of a 8 storey bussiness facility ,it need to be light weight and not too big. Suggestions?