What is a “Rolling Blackout?
Should instability on the state-wide transmission grid occur, electrical service in Ukiah may be affected. A rolling blackout is when electrical service is interrupted in predetermined areas on a rotating basis. The service interruption may last up to an hour and moves in sequence from zone to zone. Involuntary service interruptions are controlled by the California Independent System Operator (ISO). The amount of time from notification of the power interruption by California ISO to city officials in Ukiah is insufficient to allow individual customers to be notified. If you’re in a vehicle during a power outage, intersections controlled by signal lights become 4-way stop sign intersections. Traffic regulations for 4-way stop sign intersections should be observed.