SPOKANE, WA, Nov 10, 2011 (MARKETWIRE via COMTEX) --

Avista Corp.'s (NYSE: AVA) board of directors has declared a quarterly dividend of $0.275 per share on the company's common stock. The common stock dividend is payable Dec. 15, 2011, to shareholders of record at the close of business on Dec. 1, 2011.

Avista Corp. is an energy company involved in the production, transmission and distribution of energy as well as other energy-related businesses. Avista Utilities is our operating division that provides electric service to 358,000 customers and natural gas to 317,000 customers. Our service territory covers 30,000 square miles in eastern Washington, northern Idaho and parts of southern and eastern Oregon, with a population of 1.5 million. Avista's primary, non-regulated subsidiary is Ecova. Our stock is traded under the ticker symbol "AVA." For more information about Avista, please visit www.avistacorp.com.

Avista Corp. and the Avista Corp. logo are trademarks of Avista Corporation.

To unsubscribe from Avista's news release distribution, send reply message to Shirley.wolf@avistacorp.com

Contact:
Media:
Jessie Wuerst
(509) 495-8578
Email Contact

Investors:
Jason Lang
(509) 495-2930
Email Contact

Avista 24/7 Media Access (509) 495-4174

SOURCE: Avista Corp.

http://www2.marketwire.com/mw/emailprcntct?id=258A4A7086EA5B4A
http://www2.marketwire.com/mw/emailprcntct?id=0684773859FEDD0E