<TABLE> <S> <C>
<ARTICLE> UT
<CIK> 0000106170
<NAME>WESTERN MASSACHUSETTS ELECTRIC COMPANY AND SUBSIDIARY
<MULTIPLIER>1,000
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 355,695
<OTHER-PROPERTY-AND-INVEST> 169,784
<TOTAL-CURRENT-ASSETS> 121,950
<TOTAL-DEFERRED-CHARGES> 434,648
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 1,082,077
<COMMON> 14,752
<CAPITAL-SURPLUS-PAID-IN> 93,880
<RETAINED-EARNINGS> 51,289
<TOTAL-COMMON-STOCKHOLDERS-EQ> 160,081
15,000
20,000
<LONG-TERM-DEBT-NET> 198,004
<SHORT-TERM-NOTES> 118,000
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 0
<LONG-TERM-DEBT-CURRENT-PORT> 0
1,500
<CAPITAL-LEASE-OBLIGATIONS> 8,327
<LEASES-CURRENT> 20,505
<OTHER-ITEMS-CAPITAL-AND-LIAB> 540,820
<TOT-CAPITALIZATION-AND-LIAB> 1,082,077
<GROSS-OPERATING-REVENUE> 249,500
<INCOME-TAX-EXPENSE> 3,595
<OTHER-OPERATING-EXPENSES> 216,549
<TOTAL-OPERATING-EXPENSES> 224,744
<OPERATING-INCOME-LOSS> 24,756
<OTHER-INCOME-NET> (1,624)
<INCOME-BEFORE-INTEREST-EXPEN> 27,732
<TOTAL-INTEREST-EXPENSE> 13,723
<NET-INCOME> 14,009
1,399
<EARNINGS-AVAILABLE-FOR-COMM> 12,610
<COMMON-STOCK-DIVIDENDS> 0
<TOTAL-INTEREST-ON-BONDS> 0
<CASH-FLOW-OPERATIONS> 40,617
<EPS-BASIC> 0.00
<EPS-DILUTED> 0.00