PROPERTY, PLANT AND ACCUMULATED DEPRECIATION (Tables)

9 Months Ended

Sep. 30, 2013

Notes To Consolidated Financial Statements [Abstract]

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

3. 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 by asset category:

		As of September 30, 2013		As of December 31, 2012
(Millions of Dollars)		NU		NU
Distribution - Electric		$	11,735.4	$	11,438.2
Distribution - Natural Gas			2,352.4		2,274.2
Transmission			6,009.0		5,541.1
Generation			1,142.1		1,146.6
Electric and Natural Gas Utility			21,238.9		20,400.1
Other⁽¹⁾			505.2		429.3
Property, Plant and Equipment, Gross			21,744.1		20,829.4
Less: Accumulated Depreciation
	Electric and Natural Gas Utility		(5,331.0)		(5,065.1)
	Other		(192.9)		(171.5)
Total Accumulated Depreciation			(5,523.9)		(5,236.6)
Property, Plant and Equipment, Net			16,220.2		15,592.8
Construction Work in Progress			967.7		1,012.2
Total Property, Plant and Equipment, Net		$	17,187.9	$	16,605.0

(1) These assets represent unregulated property and are primarily comprised of building improvements at RRR, software, hardware and equipment at NUSCO and telecommunications assets at NSTAR Communications, Inc.

	As of September 30, 2013								As of December 31, 2012
			NSTAR								NSTAR
(Millions of Dollars)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Distribution	$	4,836.1	$	4,622.7	$	1,569.7	$	746.3	$	4,691.3	$	4,539.9	$	1,520.1	$	724.2
Transmission		2,969.6		1,664.5		613.2		715.8		2,796.1		1,529.7		599.2		583.7
Generation		-		-		1,121.0		21.1		-		-		1,125.5		21.1
Property, Plant and
Equipment, Gross		7,805.7		6,287.2		3,303.9		1,483.2		7,487.4		6,069.6		3,244.8		1,329.0
Less: Accumulated Depreciation		(1,778.7)		(1,634.5)		(1,001.7)		(265.7)		(1,698.1)		(1,540.1)		(954.0)		(252.1)
Property, Plant and Equipment, Net		6,027.0		4,652.7		2,302.2		1,217.5		5,789.3		4,529.5		2,290.8		1,076.9
Construction Work in Progress		299.2		270.7		106.8		135.2		363.7		205.8		61.7		213.6
Total Property, Plant and
Equipment, Net	$	6,326.2	$	4,923.4	$	2,409.0	$	1,352.7	$	6,153.0	$	4,735.3	$	2,352.5	$	1,290.5