Section 32(1) of the Electricity act, Cap 131, mandates EWURA to investigate licensees non- compliance with the Act, or any aspect of licensee’s Tariff Order upon receipt of a complaint or on its own motion. Procedures for Lodging a Complaint: Complaints are lodged by filling an electronic form in LOIS which is accessible https://lois.ewura.go.tz/ewura/ . For any inquiry, a complainant may contact EWURA via a toll free 0800110030; Monday to Friday, from 8:30 am to 15:30 pm.