Segment Information (Tables)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Results from Operations by Reportable Segment

	Nine Months Ended Sept. 30
(Millions of Dollars)	2019			2018
Regulated Electric
Operating revenues (a)	$	651.9		$	666.2
Intersegment revenues	0.2			0.3
Total operating revenue	652.1			666.5
Net income	57.4			70.2
Regulated Natural Gas
Operating revenues	$	96.6		$	93.8
Intersegment revenues	0.3			0.2
Total operating revenue	96.9			94.0
Net income	5.1			6.8
All Other
Operating revenues	$	0.3		$	0.9
Net (loss) income	(0.6		)	0.6
Consolidated Total
Operating revenues (a)	$	749.3		$	761.4
Reconciling Eliminations	(0.5		)	(0.5		)
Total operating revenue	$	748.8		$	760.9
Net income	61.9			77.6

^(a) 

Operating revenues include $132.3 million and $116.0 million of affiliate electric revenue for the nine months ended Sept. 30 2019 and 2018, respectively.

NSP-Wisconsin's segment information for the three and nine months ended Sept. 30:

	Three Months Ended Sept. 30
(Millions of Dollars)	2019			2018
Regulated Electric
Operating revenues (a)	$	229.0		$	240.3
Intersegment revenues	—			0.1
Total operating revenue	229.0			240.4
Net income	33.3			34.3
Regulated Natural Gas
Operating revenues	$	14.6		$	15.4
Intersegment revenues	0.1			—
Total operating revenue	14.7			15.4
Net loss	(4.1		)	(3.5		)
All Other
Operating revenues	$	0.1		$	0.3
Net income	0.2			0.2
Consolidated Total
Operating revenues (a)	$	243.8		$	256.1
Reconciling Eliminations	(0.1		)	(0.1		)
Total operating revenue	$	243.7		$	256.0
Net income	29.4			31.0

^(a) 

Operating revenues include $44.7 million and $39.9 million of affiliate electric revenue for the three months ended Sept. 30, 2019 and 2018, respectively.