PROPERTY, PLANT AND ACCUMULATED DEPRECIATION (Tables)

9 Months Ended

Sep. 30, 2012

Notes To Consolidated Financial Statements [Abstract]

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

4. PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION

The following tables summarize the NU, CL&P, NSTAR Electric, PSNH and WMECO investments in utility property, plant and equipment:


		As of September 30, 2012		As of December 31, 2011
(Millions of Dollars)		NU		NU
Distribution - Electric		$	11,275.0	$	6,540.4
Distribution - Natural Gas			2,198.4		1,247.6
Transmission			5,127.3		3,541.9
Generation			1,147.3		1,096.0
Electric and Natural Gas Utility			19,748.0		12,425.9
Other⁽¹⁾			432.9		305.1
Property, Plant and Equipment, Gross			20,180.9		12,731.0
Less: Accumulated Depreciation
	Electric and Natural Gas Utility		(4,990.4)		(3,035.5)
	Other		(166.6)		(120.2)
Total Accumulated Depreciation			(5,157.0)		(3,155.7)
Property, Plant and Equipment, Net			15,023.9		9,575.3
Construction Work in Progress			1,279.9		827.8
Total Property, Plant and Equipment, Net		$	16,303.8	$	10,403.1

(1) These assets are primarily comprised of building improvements at RRR and software and equipment at NUSCO as of September 30, 2012 and December 31, 2011, and telecommunications equipment at NSTAR Communications, Inc. as of September 30, 2012.

		As of September 30, 2012								As of December 31, 2011
				NSTAR								NSTAR
(Millions of Dollars)		CL&P		Electric		PSNH		WMECO		CL&P		Electric⁽¹⁾		PSNH		WMECO
Distribution		$	4,628.1	$	4,465.6	$	1,498.0	$	720.1	$	4,419.6	$	4,334.4	$	1,451.6	$	704.3
Transmission			2,736.3		1,438.2		570.7		361.8		2,689.1		1,386.9		546.4		297.4
Generation			-		-		1,126.1		21.2		-		-		1,074.8		21.2
Property, Plant and
	Equipment, Gross		7,364.4		5,903.8		3,194.8		1,103.1		7,108.7		5,721.3		3,072.8		1,022.9
Less: Accumulated Depreciation			(1,665.4)		(1,524.0)		(935.0)		(252.1)		(1,596.7)		(1,436.0)		(893.6)		(240.5)
Property, Plant and Equipment, Net			5,699.0		4,379.8		2,259.8		851.0		5,512.0		4,285.3		2,179.2		782.4
Construction Work in Progress			370.0		249.0		71.6		406.3		315.4		162.0		77.5		295.4
Total Property, Plant and
	Equipment, Net	$	6,069.0	$	4,628.8	$	2,331.4	$	1,257.3	$	5,827.4	$	4,447.3	$	2,256.7	$	1,077.8

NSTAR Electric amounts are not included in NU consolidated as of December 31, 2011.