SEGMENT INFORMATION (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting Information [Line Items]

Schedule Of Segment Reporting Information By Segment Text Block

		For the Three Months Ended September 30, 2013
		Electric		Natural Gas
(Millions of Dollars)		Distribution		Distribution		Transmission		Other		Eliminations		Total
Operating Revenues		$	1,508.6	$	97.1	$	234.1	$	212.5	$	(159.7)	$	1,892.6
Depreciation and Amortization			(159.6)		(16.4)		(34.5)		(11.2)		2.6		(219.1)
Other Operating Expenses			(1,064.1)		(89.4)		(73.4)		(206.8)		159.5		(1,274.2)
Operating Income/(Loss)			284.9		(8.7)		126.2		(5.5)		2.4		399.3
Net Income/(Loss) Attributable
	to Controlling Interest		156.9		(10.4)		58.6		313.1		(308.7)		209.5
		For the Nine Months Ended September 30, 2013
		Electric		Natural Gas
(Millions of Dollars)		Distribution		Distribution		Transmission		Other		Eliminations		Total
Operating Revenues		$	4,104.4	$	613.0	$	721.5	$	650.4	$	(565.8)	$	5,523.5
Depreciation and Amortization			(488.7)		(50.5)		(100.9)		(52.0)		7.2		(684.9)
Other Operating Expenses			(2,952.4)		(483.6)		(199.1)		(599.0)		564.3		(3,669.8)
Operating Income/(Loss)			663.3		78.9		421.5		(0.6)		5.7		1,168.8
Net Income Attributable
	to Controlling Interest		347.5		34.1		215.4		868.7		(857.1)		608.6
Cash Flows Used for
	Investments in Plant		501.9		91.2		458.2		22.5		-		1,073.8

		For the Three Months Ended September 30, 2012
		Electric		Natural Gas
(Millions of Dollars)		Distribution		Distribution		Transmission		Other		Eliminations		Total
Operating Revenues		$	1,483.7	$	91.3	$	235.6	$	219.5	$	(168.6)	$	1,861.5
Depreciation and Amortization			(172.6)		(12.6)		(29.7)		(17.5)		1.1		(231.3)
Other Operating Expenses			(1,027.4)		(77.2)		(66.3)		(216.8)		170.4		(1,217.3)
Operating Income/(Loss)			283.7		1.5		139.6		(14.8)		2.9		412.9
Net Income/(Loss) Attributable
	to Controlling Interest		150.5		(4.4)		71.1		313.9		(323.5)		207.6
		For the Nine Months Ended September 30, 2012
		Electric		Natural Gas
(Millions of Dollars)		Distribution		Distribution		Transmission		Other		Eliminations		Total
Operating Revenues		$	3,499.7	$	361.5	$	627.2	$	582.9	$	(481.5)	$	4,589.8
Depreciation and Amortization			(398.1)		(32.7)		(79.5)		(39.1)		2.6		(546.8)
Other Operating Expenses			(2,654.4)		(292.9)		(179.5)		(614.5)		485.1		(3,256.2)
Operating Income/(Loss)			447.2		35.9		368.2		(70.7)		6.2		786.8
Net Income Attributable
	to Controlling Interest		212.1		8.3		181.1		511.6		(561.9)		351.2
Cash Flows Used for
	Investments in Plant		461.3		105.9		476.0		38.6		-		1,081.8
The following table summarizes NU's segmented total assets:
		Electric		Natural Gas
(Millions of Dollars)		Distribution		Distribution		Transmission		Other		Eliminations		Total
As of September 30, 2013			17,912.9		2,656.8		6,566.1		19,446.9		(18,138.4)		28,444.3
As of December 31, 2012			18,047.3		2,717.4		6,187.7		18,832.6		(17,482.2)		28,302.8