<ARTICLE> UT
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-2000
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                      288,920
<OTHER-PROPERTY-AND-INVEST>                     11,217
<TOTAL-CURRENT-ASSETS>                          20,149
<TOTAL-DEFERRED-CHARGES>                             0
<OTHER-ASSETS>                                  40,765
<TOTAL-ASSETS>                                 361,051
<COMMON>                                         9,516
<CAPITAL-SURPLUS-PAID-IN>                       12,356
<RETAINED-EARNINGS>                            112,930
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 134,802
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<LONG-TERM-DEBT-NET>                            90,000
<SHORT-TERM-NOTES>                               2,900
<LONG-TERM-NOTES-PAYABLE>                            0
<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>                 133,349
<TOT-CAPITALIZATION-AND-LIAB>                  361,051
<GROSS-OPERATING-REVENUE>                       51,255
<INCOME-TAX-EXPENSE>                             3,929
<OTHER-OPERATING-EXPENSES>                      38,620
<TOTAL-OPERATING-EXPENSES>                      42,549
<OPERATING-INCOME-LOSS>                          8,706
<OTHER-INCOME-NET>                                 649
<INCOME-BEFORE-INTEREST-EXPEN>                   9,355
<TOTAL-INTEREST-EXPENSE>                         3,499
<NET-INCOME>                                     5,856
<PREFERRED-STOCK-DIVIDENDS>                          0
<EARNINGS-AVAILABLE-FOR-COMM>                    5,856
<COMMON-STOCK-DIVIDENDS>                         3,725
<TOTAL-INTEREST-ON-BONDS>                        3,431
<CASH-FLOW-OPERATIONS>                          12,886
<EPS-BASIC>                                     1.91
<EPS-DILUTED>                                     1.91