<ARTICLE> UT
<CIK> 0000023426
<NAME> THE CONNECTICUT LIGHT AND POWER COMPANY AND SUBSIDIARIES
<MULTIPLIER>1,000

                           
<PERIOD-TYPE>                 9-MOS
<FISCAL-YEAR-END>                                  DEC-31-1999
<PERIOD-END>                                       SEP-30-1999
<BOOK-VALUE>                                          PER-BOOK
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<TOTAL-COMMON-STOCKHOLDERS-EQ>                         947,435
<PREFERRED-MANDATORY>                                   95,789
<PREFERRED>                                            116,200
<LONG-TERM-DEBT-NET>                                 1,600,763
<SHORT-TERM-NOTES>                                     160,000
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<OPERATING-INCOME-LOSS>                                 96,751
<OTHER-INCOME-NET>                                     (24,251)
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<NET-INCOME>                                           (10,647)
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<EARNINGS-AVAILABLE-FOR-COMM>                          (20,322)
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