<ARTICLE>        UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF ALABAMA GAS CORPORATION FOR THE SIX MONTHS ENDED
MARCH 31, 2000, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<CIK>            0000003146
<NAME>           ALABAMA GAS CORPORATION
<MULTIPLIER>     1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>               SEP-30-2000
<PERIOD-END>                    MAR-31-2000
<BOOK-VALUE>                       PER-BOOK
<TOTAL-NET-UTILITY-PLANT>           327,143
<OTHER-PROPERTY-AND-INVEST>             253
<TOTAL-CURRENT-ASSETS>              130,265
<TOTAL-DEFERRED-CHARGES>              4,486
<OTHER-ASSETS>                            0
<TOTAL-ASSETS>                      462,147
<COMMON>                                 20
<CAPITAL-SURPLUS-PAID-IN>            34,484
<RETAINED-EARNINGS>                 174,176
<TOTAL-COMMON-STOCKHOLDERS-EQ>      208,680
<PREFERRED-MANDATORY>                     0
<PREFERRED>                               0
<LONG-TERM-DEBT-NET>                115,000
<SHORT-TERM-NOTES>                        0
<LONG-TERM-NOTES-PAYABLE>                 0
<COMMERCIAL-PAPER-OBLIGATIONS>            0
<LONG-TERM-DEBT-CURRENT-PORT>         4,650
<PREFERRED-STOCK-CURRENT>                 0
<CAPITAL-LEASE-OBLIGATIONS>               0
<LEASES-CURRENT>                          0
<OTHER-ITEMS-CAPITAL-AND-LIAB>      133,817
<TOT-CAPITALIZATION-AND-LIAB>       462,147
<GROSS-OPERATING-REVENUE>           243,974
<INCOME-TAX-EXPENSE>                 17,389
<OTHER-OPERATING-EXPENSES>          191,412
<TOTAL-OPERATING-EXPENSES>          208,801
<OPERATING-INCOME-LOSS>              35,173
<OTHER-INCOME-NET>                      419
<INCOME-BEFORE-INTEREST-EXPEN>       35,592
<TOTAL-INTEREST-EXPENSE>              4,917
<NET-INCOME>                         30,675
<PREFERRED-STOCK-DIVIDENDS>               0
<EARNINGS-AVAILABLE-FOR-COMM>        30,675
<COMMON-STOCK-DIVIDENDS>                  0
<TOTAL-INTEREST-ON-BONDS>             4,271
<CASH-FLOW-OPERATIONS>               26,282
<EPS-BASIC>                              0.
<EPS-DILUTED>                            0.
<FN>
<F1>ALABAMA GAS CORPORATION (ALAGASCO) IS A SUBSIDIARY OF
ENERGEN CORPORATION.  EARNINGS PER SHARE IS NOT CALCULATED
FOR ALAGASCO AS AMOUNT WOULD NOT BE MEANINGFUL.
</FN>