Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

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

	Three Months Ended Sept. 30
(Millions of Dollars)	2020		2019
Regulated Electric
Total operating revenue (a)	$	235.9	$	229.0
Net income	39.8		33.3
Regulated Natural Gas
Operating revenues	$	14.5	$	14.6
Intersegment revenue	0.1		0.1
Total revenues	$	14.6	$	14.7
Net loss	(2.4)		(4.1)
All Other
Total operating revenue	$	0.1	$	0.1
Net income	2.1		0.2
Consolidated Total
Operating revenues (a)	$	250.6	$	243.8
Reconciling eliminations	(0.1)		(0.1)
Total operating revenues	$	250.5	$	243.7
Net income	39.5		29.4

(a)    Operating revenues include $41.0 million and $44.7 million of affiliate electric revenue for the three months ended Sept. 30, 2020 and 2019, respectively.

	Nine Months Ended Sept. 30
(Millions of Dollars)	2020		2019
Regulated Electric
Operating revenues (a)	$	647.1	$	651.9
Intersegment revenue	0.2		0.2
Total revenues	$	647.3	$	652.1
Net income	80.8		57.4
Regulated Natural Gas
Operating revenues	$	78.7	$	96.6
Intersegment revenue	0.2		0.3
Total revenues	$	78.9	$	96.9
Net income	3.6		5.1
All Other
Operating revenues	$	0.3	$	0.3
Net income (loss)	0.8		(0.6)
Consolidated Total
Operating revenues (a)	$	726.5	$	749.3
Reconciling eliminations	(0.4)		(0.5)
Total operating revenues	$	726.1	$	748.8
Net income	85.2		61.9

(a)    Operating revenues include $123.5 million and $132.3 million of affiliate electric revenue for the nine months ended Sept. 30, 2020 and 2019, respectively.

^[1]

[1] Operating revenues include $41.0 million and $44.7 million of affiliate electric revenue for the three months ended Sept. 30, 2020 and 2019, respectively.