SPOKANE, WA - March. 29, 2021, 11:00 a.m.: Following Sunday’s windstorm, Avista crews and staff continue responding to the remaining outages. At the peak of the windstorm, approximately 18,600 Avista customers were without power, with 120 incidents reported. As of 10:00 a.m. Monday, 15,100 customers have been restored, with approximately 3,500 customers still without power because of the windstorm.