<ARTICLE> 5
<LEGEND>
The following schedule contains summarized financial information extracted
from the Mountain Fuel Supply Co. Statements of Income and Balance Sheets
for the period ended March 31, 1997, and is qualified in its entirety by
reference to such unaudited financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                   79,441
<ALLOWANCES>                                         0
<INVENTORY>                                      8,154
<CURRENT-ASSETS>                               120,579
<PP&E>                                         827,208
<DEPRECIATION>                                 333,171
<TOTAL-ASSETS>                                 635,352
<CURRENT-LIABILITIES>                          130,183
<BONDS>                                        175,000
<PREFERRED-MANDATORY>                            4,808
<PREFERRED>                                          0
<COMMON>                                        22,974
<OTHER-SE>                                     209,231
<TOTAL-LIABILITY-AND-EQUITY>                   635,352
<SALES>                                              0
<TOTAL-REVENUES>                               175,313
<CGS>                                                0
<TOTAL-COSTS>                                  124,615
<OTHER-EXPENSES>                                10,676
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,342
<INCOME-PRETAX>                                 36,403
<INCOME-TAX>                                    14,094
<INCOME-CONTINUING>                             22,309
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    22,309
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0