<ARTICLE> 5
<LEGEND>
EXHIBIT 27

The schedule contains summarized financial information extracted from the
Questar Gas Company Statements of Income and Balance Sheet for the period
ended June 30, 2000, and is qualified in its entirety by reference to such
unaudited financial statements.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                   33,216
<ALLOWANCES>                                         0
<INVENTORY>                                     17,483
<CURRENT-ASSETS>                                53,164
<PP&E>                                       1,041,456
<DEPRECIATION>                                 440,158
<TOTAL-ASSETS>                                 672,702
<CURRENT-LIABILITIES>                           94,245
<BONDS>                                        225,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        22,974
<OTHER-SE>                                     246,054
<TOTAL-LIABILITY-AND-EQUITY>                   672,702
<SALES>                                              0
<TOTAL-REVENUES>                               268,694
<CGS>                                                0
<TOTAL-COSTS>                                  207,345
<OTHER-EXPENSES>                                24,565
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              10,136
<INCOME-PRETAX>                                 27,761
<INCOME-TAX>                                    10,376
<INCOME-CONTINUING>                             17,385
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    17,385
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0