PROPERTY, PLANT AND ACCUMULATED DEPRECIATION (Tables)

3 Months Ended

Mar. 31, 2012

Notes To Consolidated Financial Statements [Abstract]

Schedule of Public Utility Property, Plant, and Equipment [Text Block]

##PPE.		PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION
The following tables summarize the NU, CL&P, PSNH and WMECO investments in utility property, plant and equipment:
			As of March 31, 2012		As of December 31, 2011
(Millions of Dollars)			NU		NU
Distribution - Electric			$	6,645.0	$	6,540.4
Distribution - Natural Gas				1,259.9		1,247.6
Transmission				3,590.7		3,541.9
Generation				1,132.0		1,096.0
Electric and Natural Gas Utility				12,627.6		12,425.9
Other (1)				308.4		305.1
Total Property, Plant and Equipment, Gross				12,936.0		12,731.0
Less: Accumulated Depreciation
	Electric and Natural Gas Utility			(3,077.5)		(3,035.5)
	Other			(122.5)		(120.2)
Total Accumulated Depreciation				(3,200.0)		(3,155.7)
Property, Plant and Equipment, Net				9,736.0		9,575.3
Construction Work in Progress				877.2		827.8
Total Property, Plant and Equipment, Net			$	10,613.2	$	10,403.1

(1)       These assets are primarily owned by RRR ($162.2million and $161.5million) and NUSCO ($134.1million and $131.5million) as of March 31, 2012 and December 31, 2011, respectively, and are mainly comprised of buildings and building improvements at RRR and software and equipment at NUSCO.

	As of March 31, 2012						As of December 31, 2011
(Millions of Dollars)	CL&P		PSNH		WMECO		CL&P		PSNH		WMECO
Distribution	$	4,507.6	$	1,464.5	$	708.6	$	4,419.6	$	1,451.6	$	704.3
Transmission		2,693.7		548.1		337.7		2,689.1		546.4		297.4
Generation		-		1,110.8		21.2		-		1,074.8		21.2
Total Property, Plant and Equipment, Gross		7,201.3		3,123.4		1,067.5		7,108.7		3,072.8		1,022.9
Less: Accumulated Depreciation		(1,618.7)		(905.4)		(243.3)		(1,596.7)		(893.6)		(240.5)
Property, Plant and Equipment, Net		5,582.6		2,218.0		824.2		5,512.0		2,179.2		782.4
Construction Work in Progress		325.8		70.0		328.8		315.4		77.5		295.4
Total Property, Plant and Equipment, Net	$	5,908.4	$	2,288.0	$	1,153.0	$	5,827.4	$	2,256.7	$	1,077.8