<TABLE> <S> <C>

<ARTICLE> UT
<LEGEND>
This schedule contains summary financial information extracted from the Form
10-Q for March 31, 1998, and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<CIK> 0000066904
<NAME> MISSISSIPPI POWER COMPANY
<MULTIPLIER> 1,000
       
<S>                                                                                 <C>
<PERIOD-TYPE>                                                                         3-MOS
<FISCAL-YEAR-END>                                                                DEC-31-1997
<PERIOD-END>                                                                     MAR-31-1998
<BOOK-VALUE>                                                                   PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                                                     1,001,857
<OTHER-PROPERTY-AND-INVEST>                                                         650
<TOTAL-CURRENT-ASSETS>                                                          106,877
<TOTAL-DEFERRED-CHARGES>                                                         59,898
<OTHER-ASSETS>                                                                        0
<TOTAL-ASSETS>                                                                1,169,282
<COMMON>                                                                         37,691
<CAPITAL-SURPLUS-PAID-IN>                                                       179,715
<RETAINED-EARNINGS>                                                             166,105
<TOTAL-COMMON-STOCKHOLDERS-EQ>                                                  383,511
<PREFERRED-MANDATORY>                                                            35,000
<PREFERRED>                                                                      31,809
<LONG-TERM-DEBT-NET>                                                            211,735
<SHORT-TERM-NOTES>                                                               69,000
<LONG-TERM-NOTES-PAYABLE>                                                        80,000
<COMMERCIAL-PAPER-OBLIGATIONS>                                                        0
<LONG-TERM-DEBT-CURRENT-PORT>                                                        20
<PREFERRED-STOCK-CURRENT>                                                             0
<CAPITAL-LEASE-OBLIGATIONS>                                                           0
<LEASES-CURRENT>                                                                      0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                                                  358,207
<TOT-CAPITALIZATION-AND-LIAB>                                                 1,169,282
<GROSS-OPERATING-REVENUE>                                                       122,156
<INCOME-TAX-EXPENSE>                                                              4,932
<OTHER-OPERATING-EXPENSES>                                                      101,857
<TOTAL-OPERATING-EXPENSES>                                                      106,789
<OPERATING-INCOME-LOSS>                                                          15,367
<OTHER-INCOME-NET>                                                                  (30)
<INCOME-BEFORE-INTEREST-EXPEN>                                                   15,337
<TOTAL-INTEREST-EXPENSE>                                                          6,454
<NET-INCOME>                                                                      8,883
<PREFERRED-STOCK-DIVIDENDS>                                                         495
<EARNINGS-AVAILABLE-FOR-COMM>                                                     8,388
<COMMON-STOCK-DIVIDENDS>                                                         12,700
<TOTAL-INTEREST-ON-BONDS>                                                             0
<CASH-FLOW-OPERATIONS>                                                           (5,591)
<EPS-PRIMARY>                                                                         0
<EPS-DILUTED>                                                                         0
        



</TABLE>