XML 55 R32.htm IDEA: XBRL DOCUMENT v3.8.0.1
Segments Of Business (Tables)
 9 Months Ended
Sep. 30, 2017
Segment Reporting Information [Line Items]  
Schedule Of Segments Of Business
Certain financial information relating to Alliant Energy’s business segments is as follows. Intersegment revenues were not material to Alliant Energy’s operations. Refer to Note 5(a) for discussion of Alliant Energy’s acquisition of an interest in a non-regulated wind farm in Oklahoma in July 2017, which increased the assets for “Non-Regulated, Parent and Other.” Refer to Note 3 for discussion of asset valuation charges recorded in the third quarter of 2016 related to the Franklin County wind farm.
 
Utility (a)
 
Non-Regulated,
 
Alliant Energy
 
Electric
 
Gas
 
Other
 
Total
 
Parent and Other
 
Consolidated
 
(in millions)
Three Months Ended September 30, 2017
 
 
 
 
 
 
 
 
 
 
 
Operating revenues

$840.6

 

$45.8

 

$11.2

 

$897.6

 

$9.3

 

$906.9

Operating income (loss)
232.6

 
(2.4
)
 
(7.7
)
 
222.5

 
9.0

 
231.5

Net income (loss) attributable to Alliant Energy common shareowners
 
 
 
 
 
 
176.3

 
(7.5
)
 
168.8

Three Months Ended September 30, 2016
 
 
 
 
 
 
 
 
 
 
 
Operating revenues

$864.3

 

$39.5

 

$9.4

 

$913.2

 

$11.4

 

$924.6

Operating income (loss)
244.2

 
(3.7
)
 
0.4

 
240.9

 
(78.3
)
 
162.6

Amounts attributable to Alliant Energy common shareowners:
 
 
 
 
 
 
 
 
 
 
 
Income (loss) from continuing operations, net of tax
 
 
 
 
 
 
183.1

 
(54.3
)
 
128.8

Loss from discontinued operations, net of tax
 
 
 
 
 
 
—

 
(0.4
)
 
(0.4
)
Net income (loss)
 
 
 
 
 
 
183.1

 
(54.7
)
 
128.4

 
Utility (a)
 
Non-Regulated,
 
Alliant Energy
 
Electric
 
Gas
 
Other
 
Total
 
Parent and Other
 
Consolidated
 
(in millions)
Nine Months Ended September 30, 2017
 
 
 
 
 
 
 
 
 
 
 
Operating revenues

$2,199.1

 

$262.7

 

$34.4

 

$2,496.2

 

$29.9

 

$2,526.1

Operating income (loss)
475.4

 
29.5

 
(6.8
)
 
498.1

 
25.6

 
523.7

Amounts attributable to Alliant Energy common shareowners:
 
 
 
 
 
 
 
 
 
 
 
Income from continuing operations, net of tax
 
 
 
 
 
 
353.5

 
8.6

 
362.1

Income from discontinued operations, net of tax
 
 
 
 
 
 
—

 
1.4

 
1.4

Net income
 
 
 
 
 
 
353.5

 
10.0

 
363.5

Nine Months Ended September 30, 2016
 
 
 
 
 
 
 
 
 
 
 
Operating revenues

$2,209.1

 

$248.7

 

$35.0

 

$2,492.8

 

$30.2

 

$2,523.0

Operating income (loss)
473.3

 
27.0

 
4.4

 
504.7

 
(67.6
)
 
437.1

Amounts attributable to Alliant Energy common shareowners:
 
 
 
 
 
 
 
 
 
 
 
Income (loss) from continuing operations, net of tax
 
 
 
 
 
 
350.3

 
(39.5
)
 
310.8

Loss from discontinued operations, net of tax
 
 
 
 
 
 
—

 
(2.0
)
 
(2.0
)
Net income (loss)
 
 
 
 
 
 
350.3

 
(41.5
)
 
308.8


(a)
Alliant Energy’s utility business segments include: a) utility electric operations, which include Alliant Energy’s entire investment in ATC; b) utility gas operations; and c) utility other, which includes steam operations and the unallocated portions of the utility business.
IPL [Member]  
Segment Reporting Information [Line Items]  
Schedule Of Segments Of Business
Certain financial information relating to IPL’s business segments is as follows. Intersegment revenues were not material to IPL’s operations.
 
Electric
 
Gas
 
Other
 
Total
 
(in millions)
Three Months Ended September 30, 2017
 
 
 
 
 
 
 
Operating revenues

$489.0

 

$27.4

 

$11.0

 

$527.4

Operating income (loss)
138.3

 
(2.1
)
 
(4.4
)
 
131.8

Earnings available for common stock
 
 
 
 
 
 
120.4

Three Months Ended September 30, 2016
 
 
 
 
 
 
 
Operating revenues

$483.2

 

$23.9

 

$9.1

 

$516.2

Operating income (loss)
125.9

 
(1.4
)
 
1.4

 
125.9

Earnings available for common stock
 
 
 
 
 
 
114.1

Nine Months Ended September 30, 2017
 
 
 
 
 
 
 
Operating revenues

$1,217.6

 

$147.2

 

$33.3

 

$1,398.1

Operating income (loss)
234.5

 
14.7

 
(1.5
)
 
247.7

Earnings available for common stock
 
 
 
 
 
 
200.4

Nine Months Ended September 30, 2016
 
 
 
 
 
 
 
Operating revenues

$1,209.2

 

$142.6

 

$34.1

 

$1,385.9

Operating income
213.8

 
15.3

 
6.8

 
235.9

Earnings available for common stock
 
 
 
 
 
 
191.6
WPL [Member]  
Segment Reporting Information [Line Items]  
Schedule Of Segments Of Business
Certain financial information relating to WPL’s business segments is as follows. Intersegment revenues were not material to WPL’s operations.
 
Electric
 
Gas
 
Other
 
Total
 
(in millions)
Three Months Ended September 30, 2017
 
 
 
 
 
 
 
Operating revenues

$351.6

 

$18.4

 

$0.2

 

$370.2

Operating income (loss)
94.3

 
(0.3
)
 
(3.3
)
 
90.7

Earnings available for common stock
 
 
 
 
 
 
49.8

Three Months Ended September 30, 2016
 
 
 
 
 
 
 
Operating revenues

$381.1

 

$15.6

 

$0.3

 

$397.0

Operating income (loss)
118.3

 
(2.3
)
 
(1.0
)
 
115.0

Earnings available for common stock
 
 
 
 
 
 
69.0

Nine Months Ended September 30, 2017
 
 
 
 
 
 
 
Operating revenues

$981.5

 

$115.5

 

$1.1

 

$1,098.1

Operating income (loss)
240.9

 
14.8

 
(5.3
)
 
250.4

Earnings available for common stock
 
 
 
 
 
 
133.4

Nine Months Ended September 30, 2016
 
 
 
 
 
 
 
Operating revenues

$999.9

 

$106.1

 

$0.9

 

$1,106.9

Operating income (loss)
259.5

 
11.7

 
(2.4
)
 
268.8

Earnings available for common stock
 
 
 
 
 
 
158.7