In the United States, power outages are always an interesting topic to research. California, a big state which has more serious power issues than all other states. There are many factors responsible for putting almost a million Americans into darkness: environmental impact, climate change and population growth. 2020 as a special year, faces the worst power outage. There are a variety of reasons that power outages happen. Thus, we raised our research question: What is the most common reason that causes those major power outage in the continential U.S? In addition, is there a relationship between the last time of outage with the electricity consumption and number of consumer served in that state (and would that be specifically related to a certain category, like residential, commercial, or industrial)? Is the land composition (percent of land and water) also a potential factor?