Outage from midnight Tuesday, May 19, until 5:00 a.m., Wednesday, May 20, also impacts Swallows Nest and Clemans Addition

May, 18, 2015:Approximately 1,400 Avista customers in the areas of Asotin, Swallows Nest and Clemans Addition will experience a power outage on Tuesday, May 19, from midnight until 5:00 a.m. on Wednesday, May 20. The five-hour outage is required to create a safe environment while crews replace a damaged power pole south of Hwy. 129 and Critchfield Road.

"We apologize for the inconvenience this outage may have on customers. We'll work as quickly and safely as possible to complete the work and return customers to service," said Josh DiLuciano, Avista's manager of operations for the Lewiston and Clarkston areas.

About Avista Utilities
AvistaUtilities is involved in the production, transmission and distribution of energy. We provide energy services and electricity to 369,000 customers and natural gas to 329,000 customers in a service territory that covers 30,000 square miles in eastern Washington, northern Idaho and parts of southern and eastern Oregon, with a population of 1.6 million. Avista Utilities is an operating division ofAvista Corp. (NYSE: AVA). For more information, please visitwww.avistautilities.com.

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