Dreaming of power failure indicates that you may have troubles in the near future, but most of them have the help of noble people, so don't worry.
From the perspective of pregnancy: pregnant women dream of power failure, which indicates that the dreamer's child will be born smoothly and friends will come to visit you in the near future. This is a good dream.
From the commercial point of view: businessmen dream of power failure, which shows that the dreamer has good fortune and has more social intercourse recently. Be careful what you say and do, and you can meet more important people.
Academically speaking, students dream of power failure, which means that the dreamer's exam results may not be ideal, and his mind is not on his studies, so he needs to continue to work hard.
From the perspective of marriage: dreaming of power failure before marriage shows that the dreamer has a good relationship, but both parents disapprove of your marriage, which may hinder it.