DEFINED CONTRIBUTION PLANS (TABLES)

12 Months Ended

Dec. 31, 2011

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Defined Contribution Plans 401k

(Millions of Dollars)	NU		CL&P		PSNH		WMECO
2011	$	13.2	$	4.0	$	2.5	$	0.8
2010		12.7		4.0		2.4		0.8
2009		12.2		3.9		2.3		0.7

Schedule Of Defined Contribution Plans K Vantage

(Millions of Dollars)	NU		CL&P		PSNH		WMECO
2011	$	4.2	$	0.5	$	0.6	$	0.1
2010		3.4		0.4		0.4		0.1
2009		2.6		0.2		0.3		-