AVISTA CORP - FORM 10-K - EX-23 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - February 26, 2010

Attached files

file filename
EX-12 - STATEMENT RE COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGE - AVISTA CORPdex12.htm
EX-21 - SUBSIDIARIES OF REGISTRANT - AVISTA CORPdex21.htm
EX-32 - CERTIFICATION OF CORPORATE OFFICERS - AVISTA CORPdex32.htm
EX-31.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER - AVISTA CORPdex312.htm
EX-31.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER - AVISTA CORPdex311.htm
10-K - FORM 10-K - AVISTA CORPd10k.htm

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 2-81697, 2-94816, 033-54791, 333-03601, 333-22373, 333-58197, 333-33790, 333-47290, and 333-126577 on Form S-8; and in Registration Statement Nos. 033-53655, 333-63243, 333-64652, and 333-155657, and 333-163609 on Form S-3 of our reports dated February 26, 2010, relating to the consolidated financial statements of Avista Corporation and subsidiaries, and the effectiveness of Avista Corporation and subsidiaries’ internal control over financial reporting, appearing in this Annual Report on Form 10-K of Avista Corporation for the year ended December 31, 2009.

 

/s/ Deloitte & Touche LLP
Seattle, Washington
February 26, 2010

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