<TABLE> <S> <C>

<ARTICLE> UT
<LEGEND>
                                                 Exhibit 27-1

Restated summary information extracted from the restated Consolidated
Balance Sheets as of 3-31-96, 6-30-96, 9-30-96, 12-31-96, and the
restated Consolidated Statements of Income for the 3, 6, 9, and 12-month
periods ended 3-31-96, 6-30-96, 9-30-96, and 12-31-96, respectively.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-END>                               MAR-31-1996             JUN-30-1996             SEP-30-1996             DEC-31-1996
<BOOK-VALUE>                                  PER-BOOK                PER-BOOK                PER-BOOK                PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                      440,439                 447,250                 449,718                 452,155
<OTHER-PROPERTY-AND-INVEST>                     87,015                 107,707                 116,613                 121,846
<TOTAL-CURRENT-ASSETS>                          84,940                  86,175                  81,140                  81,912
<TOTAL-DEFERRED-CHARGES>                        12,069                  11,514                  11,428                  13,791
<OTHER-ASSETS>                                       0                       0                       0                       0
<TOTAL-ASSETS>                                 624,463                 652,646                 658,899                 669,704
<COMMON>                                        57,508                  57,508                  57,508                  57,680
<CAPITAL-SURPLUS-PAID-IN>                       28,949                  28,949                  28,949                  29,885
<RETAINED-EARNINGS>                            105,236                 105,764                 106,653                 107,864
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 191,693                 192,221                 193,110                 195,429
<PREFERRED-MANDATORY>                           18,000                  18,000                  18,000                  18,000
<PREFERRED>                                     20,831                  20,831                  20,831                  20,831
<LONG-TERM-DEBT-NET>                           172,777                 183,846                 189,702                 163,176
<SHORT-TERM-NOTES>                                   0                   2,450                   4,650                   7,200
<LONG-TERM-NOTES-PAYABLE>                            0                       0                       0                       0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0                  10,300                  15,700                  18,400
<LONG-TERM-DEBT-CURRENT-PORT>                   20,014                  25,131                  18,859                  42,587
<PREFERRED-STOCK-CURRENT>                            0                       0                       0                       0
<CAPITAL-LEASE-OBLIGATIONS>                          0                       0                       0                       0
<LEASES-CURRENT>                                     0                       0                       0                       0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 201,148                 199,867                 198,047                 204,081
<TOT-CAPITALIZATION-AND-LIAB>                  624,463                 652,646                 658,899                 669,704
<GROSS-OPERATING-REVENUE>                       90,568                 182,442                 277,718                 370,933
<INCOME-TAX-EXPENSE>                             5,619                   8,365                  10,337                  14,010
<OTHER-OPERATING-EXPENSES>                      71,512                 150,743                 233,151                 311,561
<TOTAL-OPERATING-EXPENSES>                      77,131                 159,108                 243,488                 325,571
<OPERATING-INCOME-LOSS>                         13,437                  23,334                  34,230                  45,362
<OTHER-INCOME-NET>                                 492                     905                   1,091                   2,125
<INCOME-BEFORE-INTEREST-EXPEN>                  13,929                  24,239                  35,321                  47,487
<TOTAL-INTEREST-EXPENSE>                         3,734                   7,771                  12,114                  16,863
<NET-INCOME>                                    10,195                  16,468                  23,207                  30,624
<PREFERRED-STOCK-DIVIDENDS>                        590                   1,179                   1,769                   2,358
<EARNINGS-AVAILABLE-FOR-COMM>                    9,605                  15,289                  21,438                  28,266
<COMMON-STOCK-DIVIDENDS>                         5,031                  10,062                  15,093                  20,124
<TOTAL-INTEREST-ON-BONDS>                        3,675                   7,635                  11,774                  16,026
<CASH-FLOW-OPERATIONS>                          14,602                  26,322                  49,682                  69,398
<EPS-PRIMARY>                                     0.84                    1.33                    1.86                    2.46
<EPS-DILUTED>                                     0.84                    1.33                    1.86                    2.46


</TABLE>