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For the settlement management resource in Fallout 4, see Power.
Game tile Fallouit Shelter.png
Game tile Fallouit Shelter.png

Power is a resource in Fallout Shelter.


Power is a critical strategic resource, allowing you to power and use the rooms within your Vault. Without sufficient levels of power, such as when the power level is in the red, other rooms will cannot function as they are not receiving the power they require. If the diner or water treatment room are unpowered, you are facing a crisis, as that means your dwellers will start starving and suffering from irradiation.

As a result, if in doubt, always, always prioritize power over everything else.

Generating power

There are two basic sources of power: