The City of Unalaska announces power outages for Tuesday, Feb. 6. The Unalaska Powerhouse will be performing maintenance on equipment that may cause an outage throughout the City between the hours of 9 a.m. and 4 p.m. Affected customers include town, valley, school, City Hall, CMA, Matson. There may be multiple outages lasting up to 10 minutes. We appreciate your patience.