Exhibit 23

                   Consent of Independent Auditors


We consent to the incorporation by reference in the Registration
Statement (Form S-8, No. 33-4436 and No. 33-48169) pertaining to the
Questar Corporation Employee Investment Plan (formerly the Questar
Corporation Employee Stock Purchase Plan) of our report dated June
16. 2000, with respect to the financial statements and schedules of
the Questar Corporation Investment Plan included in this Annual
Report (Form 11-K) for the year ended December 31, 1999.

                      /s/ Ernst & Young LLP


Salt Lake City, Utah
June 26, 2000