1) Candle-lighting occasion 2) Electric power blackout 3) Hurricane consequence 4) Juice obstruction 
A power outage (also called a power cut, a power blackout, or a power failure) is a short- or long-term loss of the electric power to an area. There are many causes of power failures in an electricity network. Examples of these causes include faults at power stations, damage to electric transmission lines, substations or other parts of the distrib...
[n] - equipment failure resulting when the supply of power fails
power failure noun equipment failure resulting when the supply of power fails; `the ice storm caused a power outage`