Summary: Petition for Accounting Order under WAC 480-07-370(1)(b), authorizing Washington Water Service to defer all costs related to damages caused by a powerful windstorm on December 14, 2006. The company incurred $63,886.10 in labor and materials costs to maintain water service to approximately 250 water systems using portable generators during the windstorm. The company's last rate increase became effective on September 28, 2006.