Attached files
| file | filename |
|---|---|
| 10-Q - FORM 10-Q - AVISTA CORP | d10q.htm |
| EX-12 - COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES - AVISTA CORP | dex12.htm |
| EX-31.1 - SECTION 302 CEO CERTIFICATION - AVISTA CORP | dex311.htm |
| EX-31.2 - SECTION 302 CFO CERTIFICATION - AVISTA CORP | dex312.htm |
| EXCEL - IDEA: XBRL DOCUMENT - AVISTA CORP | Financial_Report.xls |
| EX-32 - SECTION 906 CEO AND CFO CERTIFICATION - AVISTA CORP | dex32.htm |
Exhibit 15
August 6, 2010
Avista Corporation
Spokane, Washington
We have reviewed, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the unaudited interim financial information of Avista Corporation and subsidiaries for the periods ended June 30, 2010 and 2009, as indicated in our report dated August 6, 2010; because we did not perform an audit, we expressed no opinion on that information.
We are aware that our report referred to above, which is included in your Quarterly Report on Form 10-Q for the quarter ended June 30, 2010, is incorporated 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, 333-155657, and 333-163609 on Form S-3.
We also are aware that the aforementioned report, pursuant to Rule 436(c) under the Securities Act of 1933, is not considered a part of the Registration Statement prepared or certified by an accountant or a report prepared or certified by an accountant within the meaning of Sections 7 and 11 of that Act.
| /s/ Deloitte & Touche LLP |
| Seattle, Washington |