Exhibit 23.2 Consent of Independent Accountant

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Questar Corporation Long-Term Stock Incentive Plan of our reports dated February 21, 2013, 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 its Annual Report (Form 10-K) for the year ended December 31, 2012, filed with the Securities and Exchange Commission.