<ARTICLE> UT
<LEGEND>
This schedule contains summary financial information
extracted from the Statements of Income and Retained
Earnings, Balance Sheets and Statements
of Cash Flows and is qualified in its entirety by reference
to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                      752,771
<OTHER-PROPERTY-AND-INVEST>                     12,063
<TOTAL-CURRENT-ASSETS>                          86,748
<TOTAL-DEFERRED-CHARGES>                        55,521
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                                 907,103
<COMMON>                                        86,200
<CAPITAL-SURPLUS-PAID-IN>                       10,541
<RETAINED-EARNINGS>                            260,259
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 357,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<LONG-TERM-DEBT-NET>                           231,950
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                       80,800
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                        0
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 237,353
<TOT-CAPITALIZATION-AND-LIAB>                  907,103
<GROSS-OPERATING-REVENUE>                      493,907
<INCOME-TAX-EXPENSE>                            25,546
<OTHER-OPERATING-EXPENSES>                     414,014
<TOTAL-OPERATING-EXPENSES>                     439,560
<OPERATING-INCOME-LOSS>                         54,347
<OTHER-INCOME-NET>                                 549
<INCOME-BEFORE-INTEREST-EXPEN>                  54,896
<TOTAL-INTEREST-EXPENSE>                        18,530
<NET-INCOME>                                    36,366
<PREFERRED-STOCK-DIVIDENDS>                          0
<EARNINGS-AVAILABLE-FOR-COMM>                   36,366
<COMMON-STOCK-DIVIDENDS>                        26,997
<TOTAL-INTEREST-ON-BONDS>                       16,185
<CASH-FLOW-OPERATIONS>                          84,948
<EPS-BASIC>                                      42.19
<EPS-DILUTED>                                    42.19