original_query: What are the criteria for a power outage to be included in this list?
query: What are the criteria for a power outage to be included in this list of notable wide-scale power outages?
answer: To be included, a power outage must be unplanned, affect at least 1,000 people, last at least one hour, and result in at least 1,000,000 person-hours of disruption.