Avista Ready To Ramp Up Infrastructure Replacement Program

Headquartered in Spokane, WA with a service area of more than 30,000 square miles in eastern Washington, northern Idaho and parts of southern and eastern Oregon, Avista Utilities is embarking on a 20-year program to systematically replace 714 miles of plastic main piping and install transition tubing at the identified steel tees at a cost of about $10 million a year. The investor-owned utility serves about 323,000 natural gas customers and another 158,000 electric customers.