Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Results from Operations by Reportable Segment

NSP-Wisconsin's segment information for the three months ended March 31:

(Millions of Dollars)	2020			2019
Regulated Electric
Operating revenues (a)	$	211.8		$	215.0
Intersegment revenues	0.1			0.1
Total operating revenue	211.9			215.1
Net income	24.7			13.2
Regulated Natural Gas
Operating revenues	$	45.2		$	61.1
Intersegment revenues	0.1			0.2
Total operating revenue	45.3			61.3
Net income	8.9			10.5
All Other
Operating revenues	$	—		$	0.1
Net income	—			0.3
Consolidated Total
Operating revenues (a)	$	257.2		$	276.5
Reconciling eliminations	(0.2		)	(0.3		)
Total operating revenue	$	257.0		$	276.2
Net income	33.6			24.0

^(a) 

Operating revenues include $40.9 million and $44.1 million of affiliate electric revenue for the three months ended March 31, 2020 and 2019, respectively.