<ARTICLE> 5
<LEGEND>
Exhibit 27
The following scheduled contains summarized financial information extracted
from the Questar Gas Company Statements of Income and Balance Sheet for the
period ended September 30, 2000, and is qualified in its entirety by
reference to such unaudited financial statements.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               SEP-30-2000
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                   21,169
<ALLOWANCES>                                         0
<INVENTORY>                                     25,392
<CURRENT-ASSETS>                                58,368
<PP&E>                                       1,054,589
<DEPRECIATION>                                 445,829
<TOTAL-ASSETS>                                 686,317
<CURRENT-LIABILITIES>                          116,579
<BONDS>                                        225,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        22,974
<OTHER-SE>                                     232,290
<TOTAL-LIABILITY-AND-EQUITY>                   686,317
<SALES>                                              0
<TOTAL-REVENUES>                               328,246
<CGS>                                                0
<TOTAL-COSTS>                                  264,134
<OTHER-EXPENSES>                                36,211
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              15,401
<INCOME-PRETAX>                                 14,218
<INCOME-TAX>                                     4,722
<INCOME-CONTINUING>                              9,496
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,496
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0