Attached files

file filename
EX-12 - EXHIBIT 12. - QUESTAR CORPstr10k4q2009ex12.htm
EX-32 - EXHIBIT 32. - QUESTAR CORPstr10k4q2009ex32.htm
EX-21 - EXHIBIT 21. - QUESTAR CORPstr10k4q2009ex21.htm
EX-23 - EXHIBIT 23.2. - QUESTAR CORPstr10k4q2009ex232.htm
EX-31 - EXHIBIT 31.1. - QUESTAR CORPstr10k4q2009ex311.htm
EX-23 - EXHIBIT 23.3. - QUESTAR CORPstr10k4q2009ex233.htm
EX-31 - EXHIBIT 31.2. - QUESTAR CORPstr10k4q2009ex312.htm
EX-24 - EXHIBIT 24. - QUESTAR CORPstr10k4q2009ex24poa.htm
EXCEL - IDEA: XBRL DOCUMENT - QUESTAR CORPFinancial_Report.xls
10-K - 10-K - QUESTAR CORPstr10k4q2009.htm

Exhibit 23.1


Consent of Independent Registered Public Accounting Firm



We consent to the incorporation by reference in the following Registration Statements:


1.

Registration Statement (Form S-8 No. 33-15149) pertaining to the Questar Corporation Stock Option Plan for Directors,


2.

Registration Statement (Post-effective Amendment No. 3 to Form S-8 No. 33-4436) pertaining to the Questar Corporation Employee Savings and Stock Purchase Plan,


3.

Registration Statement (Form S-8 No. 33-40800) pertaining to the Questar Corporation Long-Term Stock Incentive Plan,


4.

Registration Statement (Form S-8 No. 33-40801) pertaining to the Questar Corporation Stock Option Plan for Directors (additional shares),


5.

Registration Statement (Form S-8 No. 33-48169) pertaining to the Questar Corporation Employee Stock Purchase Plan,


6.

Registration Statement (Form S-8 No. 333-04951) pertaining to the Questar Corporation Stock Option Plan for Directors (additional shares),


7.

Registration Statement (Form S-8 No. 333-04913) pertaining to the Questar Corporation Directors' Stock Plan,


8.

Registration Statement (Form S-8 No. 33-48168) pertaining to the Questar Corporation Dividend Reinvestment and Stock Purchase Plan,


9.

Registration Statement (Form S-3 No. 333-09643) pertaining to the Questar Corporation Dividend Reinvestment Plan,


10.

Registration Statement (Form S-8 No. 333-67658) pertaining to the Questar Corporation Long-Term Stock Incentive Plan, and


11.

Registration Statement (Form S-8 No. 333-89486) pertaining to the Questar Corporation Employee Investment Plan;


of our reports dated February 26, 2010, with respect to the consolidated financial statements and schedule of Questar Corporation and the effectiveness of internal control over financial reporting of Questar Corporation included in this Annual Report (Form 10-K) of Questar Corporation.


/s/Ernst & Young LLP

Ernst & Young LLP


Salt Lake City, Utah

February 26, 2010