<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