"Americans tend to think about the loss of electricity as something infrequent and temporary. For most, it is a rare inconvenience stemming from a heat wave or storm.
But for millions of U.S. households, the risk of losing power is a constant concern. According to the most recent data from the U.S. Energy Information Administration, 1 in 4 American households experience some form of energy insecurity each year, with no appreciable improvement over the past decade."