SPOKANE, Wash., Sept. 22 /PRNewswire/ -- Avista has earned the highest ranking in satisfaction among residential natural gas customers in the midsize natural gas utilities segment of the West region, according to the 2010 J.D.

SPOKANE, Wash., Aug. 31 /PRNewswire-FirstCall/ -- Avista (NYSE: AVA) has submitted its 2009 Electric Integrated Resource Plan (IRP) to state regulators.

SPOKANE, Wash., Dec. 8 /PRNewswire-FirstCall/ -- Avista Corp. (NYSE: AVA) has tapped Dennis Vermillion to be president of Avista Utilities, the regulated business unit of the corporation, effective Jan. 1, 2009. He will remain a vice president of Avista Corp.

By Hagadone, Zach Avista Utilities has filed an amended one-year gas surcharge request with the Idaho Public Utilities that would raise rates by 4 percent, rather than an originally-asked for 14.2 percent.

ISR, the maker of SprayCool(TM) technology and products, today announced that it has qualified for an Avista Utilities rebate program that will reward corporate users who deploy energy-efficient, SprayCool-enabled servers to reduce energy usage.