<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
(Replace this text with the legend)
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-1-2000
<PERIOD-END> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 1,022,062
<OTHER-PROPERTY-AND-INVEST> 233,114
<TOTAL-CURRENT-ASSETS> 194,260
<TOTAL-DEFERRED-CHARGES> 275,420
<OTHER-ASSETS> 103,276
<TOTAL-ASSETS> 1,828,132
<COMMON> 45,064
<CAPITAL-SURPLUS-PAID-IN> 111,395
<RETAINED-EARNINGS> 292,977
<TOTAL-COMMON-STOCKHOLDERS-EQ> 449,436
0
14,791
<LONG-TERM-DEBT-NET> 422,770
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 240,000
<COMMERCIAL-PAPER-OBLIGATIONS> 46,332
<LONG-TERM-DEBT-CURRENT-PORT> 19,854
0
<CAPITAL-LEASE-OBLIGATIONS> 0
<LEASES-CURRENT> 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 634,949
<TOT-CAPITALIZATION-AND-LIAB> 1,828,132
<GROSS-OPERATING-REVENUE> 330,029
<INCOME-TAX-EXPENSE> 12,960
<OTHER-OPERATING-EXPENSES> 275,179
<TOTAL-OPERATING-EXPENSES> 275,179
<OPERATING-INCOME-LOSS> 54,850
<OTHER-INCOME-NET> 3,382
<INCOME-BEFORE-INTEREST-EXPEN> 58,232
<TOTAL-INTEREST-EXPENSE> 18,135
<NET-INCOME> 27,137
934
<EARNINGS-AVAILABLE-FOR-COMM> 28,711
<COMMON-STOCK-DIVIDENDS> 18,868
<TOTAL-INTEREST-ON-BONDS> 7,097
<CASH-FLOW-OPERATIONS> 17,125
<EPS-BASIC> 1.28
<EPS-DILUTED> 1.25
</TABLE>