Our service area includes all of Okanogan County (5,315 square miles), which is the largest county in the State of Washington. In addition, two electric co-ops and one municipal system also provide service in the county. We serve approximately 20,000 customers composed mainly of residential, commercial and irrigation accounts. Our electric system consists of approximately 1,365 miles of overhead and 382 miles of underground distribution lines. We also own a 115 kV transmission system, which consists of approximately 104 miles of line and 16 major substations.