FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Mar. 31, 2013

Notes To Consolidated Financial Statements [Abstract]

Fair Value By Balance Sheet Grouping Text Block

		As of March 31, 2013				As of December 31, 2012
		NU				NU
		Carrying		Fair		Carrying		Fair
(Millions of Dollars)		Amount		Value		Amount		Value
Preferred Stock Not
	Subject to Mandatory Redemption	$	155.6	$	154.2	$	155.6	$	152.2
Long-Term Debt			7,958.9		8,634.1		7,963.5		8,640.7
Rate Reduction Bonds			19.6		19.7		82.1		83.0

		As of March 31, 2013
		CL&P				NSTAR Electric				PSNH				WMECO
		Carrying		Fair		Carrying		Fair		Carrying		Fair		Carrying		Fair
(Millions of Dollars)		Amount		Value		Amount		Value		Amount		Value		Amount		Value
Preferred Stock Not
	Subject to Mandatory Redemption	$	116.2	$	111.6	$	43.0	$	42.6	$	-	$	-	$	-	$	-
Long-Term Debt			2,865.6		3,295.9		1,602.6		1,809.0		998.0		1,091.6		605.1		665.0
Rate Reduction Bonds			-		-		-		-		15.0		15.0		4.6		4.7
		As of December 31, 2012
		CL&P				NSTAR Electric				PSNH				WMECO
		Carrying		Fair		Carrying		Fair		Carrying		Fair		Carrying		Fair
(Millions of Dollars)		Amount		Value		Amount		Value		Amount		Value		Amount		Value
Preferred Stock Not
	Subject to Mandatory Redemption	$	116.2	$	110.0	$	43.0	$	42.2	$	-	$	-	$	-	$	-
Long-Term Debt			2,862.8		3,295.4		1,602.6		1,818.8		997.9		1,088.0		605.3		660.4
Rate Reduction Bonds			-		-		43.5		43.9		29.3		29.6		9.4		9.5