<ARTICLE> 5
<LEGEND>
The following schedule contains summarized financial information extracted
from the Questar Gas Company Statements of Income and Balance Sheets for
the period ended June 30, 1998, and is qualified in its entirety by
reference to such unaudited financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                   36,871
<ALLOWANCES>                                         0
<INVENTORY>                                     13,233
<CURRENT-ASSETS>                                65,539
<PP&E>                                         900,082
<DEPRECIATION>                                 365,909
<TOTAL-ASSETS>                                 622,801
<CURRENT-LIABILITIES>                           85,774
<BONDS>                                        225,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        22,974
<OTHER-SE>                                     206,375
<TOTAL-LIABILITY-AND-EQUITY>                   622,801
<SALES>                                              0
<TOTAL-REVENUES>                               266,176
<CGS>                                                0
<TOTAL-COSTS>                                  209,075
<OTHER-EXPENSES>                                20,431
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               9,696
<INCOME-PRETAX>                                 29,002
<INCOME-TAX>                                    10,669
<INCOME-CONTINUING>                             18,333
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    18,333
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0