COMPREHENSIVE INCOME (Tables)

12 Months Ended

Dec. 31, 2011

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Comprehensive Income Loss [Table Text Block]

(Millions of Dollars)	As of December 31,
NU	2011		2010
Qualified Cash Flow Hedging Instruments	$	(18.4)	$	(4.2)
Unrealized Gains on Other Securities		1.1		0.6
Pension, SERP and PBOP Benefits		(53.4)		(39.8)
Accumulated Other Comprehensive Loss	$	(70.7)	$	(43.4)

CL&P
Qualified Cash Flow Hedging Instruments	$	(2.3)	$	(2.7)
Unrealized Gains on Other Securities		0.0		-
Accumulated Other Comprehensive Loss	$	(2.3)	$	(2.7)

PSNH
Qualified Cash Flow Hedging Instruments	$	(10.9)	$	(0.6)
Unrealized Gains on Other Securities		0.1		-
Accumulated Other Comprehensive Loss	$	(10.8)	$	(0.6)

WMECO
Qualified Cash Flow Hedging Instruments	$	(4.2)	$	(0.1)
Unrealized Gains on Other Securities		0.0		-
Accumulated Other Comprehensive Loss	$	(4.2)	$	(0.1)

The changes in the components of other comprehensive income/(loss) are reported net of the following income tax effects:

(Millions of Dollars)
NU	2011		2010		2009
Qualified Cash Flow Hedging Instruments	$	9.5	$	(0.2)	$	(0.2)
Change in Unrealized Gains/(Losses) on Other Securities		(0.4)		(0.2)		0.7
Pension, SERP and PBOP Benefits		7.9		-		2.9
Total	$	17.0	$	(0.4)	$	3.4

CL&P
Qualified Cash Flow Hedging Instruments	$	(0.3)	$	(0.3)	$	(0.3)

PSNH
Qualified Cash Flow Hedging Instruments	$	7.0	$	(0.1)	$	-

WMECO
Qualified Cash Flow Hedging Instruments	$	2.7	$	-	$	0.1

Schedule Of Cash Flow Hedges Included In Accumulated Other Comprehensive Income Loss [Table Text Block]

	Gains/(Losses) Recognized on		Gains/(Losses) Reclassified from AOCI
	Derivative Instruments		into Interest Expense
	For the Year Ended December 31,		For the Years Ended December 31,
(Millions of Dollars)	2011		2011		2010		2009
NU	$	(25.1)	$	(1.3)	$	(0.4)	$	(0.4)
CL&P		-		(0.7)		(0.7)		(0.7)
PSNH		(18.2)		(0.8)		(0.2)		(0.2)
WMECO		(6.9)		(0.1)		0.1		0.1

		For the Year Ended December 31, 2011
(Millions of Dollars)		NU			PSNH		WMECO
Balance as of January 1, 2011		$	(4.2)	$	(0.6)	$	(0.1)
	Hedged Transactions Recognized into Earnings		0.7		0.5		0.1
	Cash Flow Hedging Transactions Entered into for the Year		(14.9)		(10.8)		(4.2)
Net Change Associated with Hedging Transactions			(14.2)		(10.3)		(4.1)
Total Fair Value Adjustments Included in Accumulated
	Other Comprehensive Loss	$	(18.4)	$	(10.9)	$	(4.2)

For further information regarding cash flow hedging transactions, see Note 4, "Derivative Instruments," to the consolidated financial statements.

- Definition

Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans.

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