<ARTICLE> 5
<LEGEND>
The following schedule contains summarized financial information extracted
from the Mountain Fuel Supply Company Statements of Income and Balance Sheet
for the period ended June 30, 1997, 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-31-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                   32,626
<ALLOWANCES>                                         0
<INVENTORY>                                     10,745
<CURRENT-ASSETS>                                95,212
<PP&E>                                         840,247
<DEPRECIATION>                                 339,133
<TOTAL-ASSETS>                                 615,840
<CURRENT-LIABILITIES>                          111,042
<BONDS>                                        175,000
<PREFERRED-MANDATORY>                            4,808
<PREFERRED>                                          0
<COMMON>                                        22,974
<OTHER-SE>                                     201,032
<TOTAL-LIABILITY-AND-EQUITY>                   615,840
<SALES>                                              0
<TOTAL-REVENUES>                               238,636
<CGS>                                                0
<TOTAL-COSTS>                                  180,086
<OTHER-EXPENSES>                                20,591
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               8,807
<INCOME-PRETAX>                                 30,891
<INCOME-TAX>                                    11,185
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    19,706
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0