WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE>               UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS INCLUDED IN ITEM 1 OF CONSOLIDATED NATURAL 
GAS COMPANY'S QUARTERLY REPORTS ON FORM 10-Q FOR THE QUARTERS ENDED MARCH 31, 
JUNE 30 AND SEPTEMBER 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000
       
<S>                             <C>                          <C>                         <C>
<PERIOD-START>                  JAN-01-97                    JAN-01-97                   JAN-01-97
<PERIOD-TYPE>                   3-MOS                        6-MOS                       9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997                  DEC-31-1997                DEC-31-1997
<PERIOD-END>                               MAR-31-1997                  JUN-30-1997                SEP-30-1997
<BOOK-VALUE>                                  PER-BOOK                     PER-BOOK                   PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    2,990,531                    3,011,757                  3,040,388
<OTHER-PROPERTY-AND-INVEST>                  1,100,337                    1,106,024                  1,112,616
<TOTAL-CURRENT-ASSETS>                       1,217,498                    1,005,933                  1,053,680
<TOTAL-DEFERRED-CHARGES>                       370,165                      386,559                    411,011
<OTHER-ASSETS>                                 166,051                      160,210                    162,954
<TOTAL-ASSETS>                               5,844,582                    5,670,483                  5,780,649
<COMMON>                                       261,183                      261,640                    262,520
<CAPITAL-SURPLUS-PAID-IN>                      496,363                      504,748                    519,466
<RETAINED-EARNINGS>                          1,550,051                    1,542,884                  1,501,079
<TOTAL-COMMON-STOCKHOLDERS-EQ>               2,334,993                    2,335,184                  2,310,023
<PREFERRED-MANDATORY>                                0                            0                          0
<PREFERRED>                                          0                            0                          0
<LONG-TERM-DEBT-NET>                         1,422,608                    1,422,906                  1,407,550
<SHORT-TERM-NOTES>                                   0                            0                          0
<LONG-TERM-NOTES-PAYABLE>                            0                            0                          0
<COMMERCIAL-PAPER-OBLIGATIONS>                 233,000                      108,900                    233,400
<LONG-TERM-DEBT-CURRENT-PORT>                    4,000                        4,000                     19,625
<PREFERRED-STOCK-CURRENT>                            0                            0                          0
<CAPITAL-LEASE-OBLIGATIONS>                          0                            0                          0
<LEASES-CURRENT>                                     0                            0                          0
<OTHER-ITEMS-CAPITAL-AND-LIAB>               1,877,377                    1,825,405                  1,837,009
<TOT-CAPITALIZATION-AND-LIAB>                5,844,582                    5,670,483                  5,780,649
<GROSS-OPERATING-REVENUE>                    1,698,599                    2,729,453                  3,859,930
<INCOME-TAX-EXPENSE>                            84,595                      102,465                    106,295
<OTHER-OPERATING-EXPENSES>                   1,417,911                    2,371,775                  3,475,393
<TOTAL-OPERATING-EXPENSES>                   1,502,506                    2,474,240                  3,581,688
<OPERATING-INCOME-LOSS>                        196,093                      255,213                    278,242
<OTHER-INCOME-NET>                               4,752                       10,289                     15,979
<INCOME-BEFORE-INTEREST-EXPEN>                 200,845                      265,502                    294,221
<TOTAL-INTEREST-EXPENSE>                        29,354                       55,026                     79,207
<NET-INCOME>                                   171,491                      210,476                    215,014
<PREFERRED-STOCK-DIVIDENDS>                          0                            0                          0
<EARNINGS-AVAILABLE-FOR-COMM>                  171,491                      210,476                    215,014
<COMMON-STOCK-DIVIDENDS>                        46,064                       92,216                   138,559
<TOTAL-INTEREST-ON-BONDS>                      102,465                      102,465                   101,332
<CASH-FLOW-OPERATIONS>                         392,798                      656,730                   696,830
<EPS-PRIMARY>                                     1.81 <F1>                    2.22 <F1>                 2.27 <F1>
<EPS-DILUTED>                                     1.74 <F1>                    2.16 <F1>                 2.23 <F1>
<FN>
<F1>  RESTATED TO REFLECT THE ADOPTION OF STATEMENT OF FINANCIAL ACCOUNTING
      STANDARDS NO. 128, "EARNINGS PER SHARE."
</FN>
        

</TABLE>