Once the power goes out, it’s important to turn off every unneeded electrical item. Every item requiring electricity puts a strain on the system. The less initial electric demand on the system, generally the quicker power can be fully restored. If the initial demand is too great, the system will overload and the power will go off again. There are two exceptions. A light inside the house should be left on to signal when power has been restored and the porch light should switched on so cooperative line personnel can tell which homes have their electricity back.
Once power is restored, gradually turn on lights, air conditioners, heaters and other electrical appliances back on, say over a half an hour, to ease the demand on the system.