 SPOKANE, Wash., July 07, 2021 GLOBE NEWSWIRE -- Avista Corp. NYSE: AVA will hold its quarterly conference call and webcast to discuss second quarter 2021 results on Wednesday, August 4, 2021, at 10:30 a.m. Eastern Daylight Time. A news release with second quarter 2021 earnings information will be issued at 7:05 a.m. Eastern Daylight Time on August 4, 2021. 