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Common Equity

6 Months Ended

Jun. 30, 2023

COMMON EQUITY

Common Share Activity - A summary of Alliant Energy’s common stock activity was as follows:


Shares outstanding, January 1, 2023			251,134,966
At-the-market offering program			1,221,775

Shareowner Direct Plan			228,017
Equity-based compensation plans			134,334

Shares outstanding, June 30, 2023			252,719,092

At-the-Market Offering Program - In December 2022, Alliant Energy filed a prospectus supplement under which it may sell up to $225 million of its common stock through an at-the-market offering program. As of June 30, 2023, Alliant Energy issued 1,221,775 shares of common stock through this program and received cash proceeds of $64 million, net of $1 million in commissions and fees. Alliant Energy also had commitments not recognized on its balance sheet at June 30, 2023 to sell 172,701 shares of common stock under sales transactions executed through this program in late June 2023. Subsequent to June 30, 2023, Alliant Energy issued shares to settle these transactions in exchange for net cash proceeds of $9 million. The proceeds from the issuances of common stock were used for general corporate purposes.

Changes in Shareowners’ Equity - A summary of changes in shareowners’ equity was as follows (in millions):


Alliant Energy	Total Alliant Energy Common Equity
				Accumulated	Shares in
		Additional		Other	Deferred
	Common	Paid-In	Retained	Comprehensive	Compensation	Noncontrolling	Total
	Stock	Capital	Earnings	Income (Loss)	Trust	Interest	Equity
Three Months Ended June 30, 2023
Beginning balance, March 31, 2023	$3	$2,780	$3,559	($1)	($13)	$—	$6,328
Net income attributable to Alliant Energy common shareowners			160				160
Common stock dividends ($0.4525 per share)			(113)				(113)
At-the-market offering program and Shareowner Direct Plan issuances		70					70
Equity-based compensation plans and other		4			(1)		3



Other comprehensive income, net of tax				4			4
Ending balance, June 30, 2023	$3	$2,854	$3,606	$3	($14)	$—	$6,452
Three Months Ended June 30, 2022
Beginning balance, March 31, 2022	$3	$2,750	$3,336	$—	($12)	$—	$6,077
Net income attributable to Alliant Energy common shareowners			159				159
Common stock dividends ($0.4275 per share)			(108)				(108)
Shareowner Direct Plan issuances		6					6
Equity-based compensation plans and other		3					3
Contributions from noncontrolling interest						29	29


Ending balance, June 30, 2022	$3	$2,759	$3,387	$—	($12)	$29	$6,166



Alliant Energy	Total Alliant Energy Common Equity
				Accumulated	Shares in
		Additional		Other	Deferred
	Common	Paid-In	Retained	Comprehensive	Compensation	Noncontrolling	Total
	Stock	Capital	Earnings	Income (Loss)	Trust	Interest	Equity
Six Months Ended June 30, 2023
Beginning balance, December 31, 2022	$3	$2,777	$3,509	$—	($13)	$—	$6,276
Net income attributable to Alliant Energy common shareowners			323				323
Common stock dividends ($0.905 per share)			(226)				(226)
At-the-market offering program and Shareowner Direct Plan issuances		76					76
Equity-based compensation plans and other		1			(1)		—



Other comprehensive income, net of tax				3			3
Ending balance, June 30, 2023	$3	$2,854	$3,606	$3	($14)	$—	$6,452
Six Months Ended June 30, 2022
Beginning balance, December 31, 2021	$3	$2,749	$3,250	$—	($12)	$—	$5,990
Net income attributable to Alliant Energy common shareowners			351				351
Common stock dividends ($0.855 per share)			(215)				(215)
Shareowner Direct Plan issuances		13					13
Equity-based compensation plans and other		(3)	1				(2)
Contributions from noncontrolling interest						29	29


Ending balance, June 30, 2022	$3	$2,759	$3,387	$—	($12)	$29	$6,166



IPL		Additional		Total
	Common	Paid-In	Retained	Common
	Stock	Capital	Earnings	Equity
Three Months Ended June 30, 2023
Beginning balance, March 31, 2023	$33	$2,807	$970	$3,810
Net income			89	89
Common stock dividends			(70)	(70)
Capital contributions from parent		40		40
Ending balance, June 30, 2023	$33	$2,847	$989	$3,869
Three Months Ended June 30, 2022
Beginning balance, March 31, 2022	$33	$2,807	$935	$3,775
Net income			87	87
Common stock dividends			(80)	(80)

Ending balance, June 30, 2022	$33	$2,807	$942	$3,782




IPL		Additional		Total
	Common	Paid-In	Retained	Common
	Stock	Capital	Earnings	Equity
Six Months Ended June 30, 2023
Beginning balance, December 31, 2022	$33	$2,807	$968	$3,808
Net income			161	161
Common stock dividends			(140)	(140)
Capital contributions from parent		40		40
Ending balance, June 30, 2023	$33	$2,847	$989	$3,869
Six Months Ended June 30, 2022
Beginning balance, December 31, 2021	$33	$2,807	$929	$3,769
Net income			173	173
Common stock dividends			(160)	(160)

Ending balance, June 30, 2022	$33	$2,807	$942	$3,782


WPL	Total WPL Common Equity
		Additional
	Common	Paid-In	Retained	Noncontrolling	Total
	Stock	Capital	Earnings	Interest	Equity
Three Months Ended June 30, 2023
Beginning balance, March 31, 2023	$66	$2,413	$1,234	$—	$3,713
Net income			72		72
Common stock dividends			(46)		(46)




Ending balance, June 30, 2023	$66	$2,413	$1,260	$—	$3,739
Three Months Ended June 30, 2022
Beginning balance, March 31, 2022	$66	$1,884	$1,101	$—	$3,051
Net income			63		63
Common stock dividends			(44)		(44)
Capital contributions from parent		85			85
Contributions from noncontrolling interest				29	29

Other		(1)			(1)
Ending balance, June 30, 2022	$66	$1,968	$1,120	$29	$3,183



WPL	Total WPL Common Equity
		Additional
	Common	Paid-In	Retained	Noncontrolling	Total
	Stock	Capital	Earnings	Interest	Equity
Six Months Ended June 30, 2023
Beginning balance, December 31, 2022	$66	$2,233	$1,192	$—	$3,491
Net income			160		160
Common stock dividends			(92)		(92)
Capital contributions from parent		180			180



Ending balance, June 30, 2023	$66	$2,413	$1,260	$—	$3,739
Six Months Ended June 30, 2022
Beginning balance, December 31, 2021	$66	$1,704	$1,053	$—	$2,823
Net income			156		156
Common stock dividends			(89)		(89)
Capital contributions from parent		265			265
Contributions from noncontrolling interest				29	29

Other		(1)			(1)
Ending balance, June 30, 2022	$66	$1,968	$1,120	$29	$3,183

IPL [Member]

Common Equity [Line Items]

Common Equity

COMMON EQUITY

Common Share Activity - A summary of Alliant Energy’s common stock activity was as follows:


Shares outstanding, January 1, 2023			251,134,966
At-the-market offering program			1,221,775

Shareowner Direct Plan			228,017
Equity-based compensation plans			134,334

Shares outstanding, June 30, 2023			252,719,092

Changes in Shareowners’ Equity - A summary of changes in shareowners’ equity was as follows (in millions):


Alliant Energy	Total Alliant Energy Common Equity
				Accumulated	Shares in
		Additional		Other	Deferred
	Common	Paid-In	Retained	Comprehensive	Compensation	Noncontrolling	Total
	Stock	Capital	Earnings	Income (Loss)	Trust	Interest	Equity
Three Months Ended June 30, 2023
Beginning balance, March 31, 2023	$3	$2,780	$3,559	($1)	($13)	$—	$6,328
Net income attributable to Alliant Energy common shareowners			160				160
Common stock dividends ($0.4525 per share)			(113)				(113)
At-the-market offering program and Shareowner Direct Plan issuances		70					70
Equity-based compensation plans and other		4			(1)		3



Other comprehensive income, net of tax				4			4
Ending balance, June 30, 2023	$3	$2,854	$3,606	$3	($14)	$—	$6,452
Three Months Ended June 30, 2022
Beginning balance, March 31, 2022	$3	$2,750	$3,336	$—	($12)	$—	$6,077
Net income attributable to Alliant Energy common shareowners			159				159
Common stock dividends ($0.4275 per share)			(108)				(108)
Shareowner Direct Plan issuances		6					6
Equity-based compensation plans and other		3					3
Contributions from noncontrolling interest						29	29


Ending balance, June 30, 2022	$3	$2,759	$3,387	$—	($12)	$29	$6,166



Alliant Energy	Total Alliant Energy Common Equity
				Accumulated	Shares in
		Additional		Other	Deferred
	Common	Paid-In	Retained	Comprehensive	Compensation	Noncontrolling	Total
	Stock	Capital	Earnings	Income (Loss)	Trust	Interest	Equity
Six Months Ended June 30, 2023
Beginning balance, December 31, 2022	$3	$2,777	$3,509	$—	($13)	$—	$6,276
Net income attributable to Alliant Energy common shareowners			323				323
Common stock dividends ($0.905 per share)			(226)				(226)
At-the-market offering program and Shareowner Direct Plan issuances		76					76
Equity-based compensation plans and other		1			(1)		—



Other comprehensive income, net of tax				3			3
Ending balance, June 30, 2023	$3	$2,854	$3,606	$3	($14)	$—	$6,452
Six Months Ended June 30, 2022
Beginning balance, December 31, 2021	$3	$2,749	$3,250	$—	($12)	$—	$5,990
Net income attributable to Alliant Energy common shareowners			351				351
Common stock dividends ($0.855 per share)			(215)				(215)
Shareowner Direct Plan issuances		13					13
Equity-based compensation plans and other		(3)	1				(2)
Contributions from noncontrolling interest						29	29


Ending balance, June 30, 2022	$3	$2,759	$3,387	$—	($12)	$29	$6,166



IPL		Additional		Total
	Common	Paid-In	Retained	Common
	Stock	Capital	Earnings	Equity
Three Months Ended June 30, 2023
Beginning balance, March 31, 2023	$33	$2,807	$970	$3,810
Net income			89	89
Common stock dividends			(70)	(70)
Capital contributions from parent		40		40
Ending balance, June 30, 2023	$33	$2,847	$989	$3,869
Three Months Ended June 30, 2022
Beginning balance, March 31, 2022	$33	$2,807	$935	$3,775
Net income			87	87
Common stock dividends			(80)	(80)

Ending balance, June 30, 2022	$33	$2,807	$942	$3,782




IPL		Additional		Total
	Common	Paid-In	Retained	Common
	Stock	Capital	Earnings	Equity
Six Months Ended June 30, 2023
Beginning balance, December 31, 2022	$33	$2,807	$968	$3,808
Net income			161	161
Common stock dividends			(140)	(140)
Capital contributions from parent		40		40
Ending balance, June 30, 2023	$33	$2,847	$989	$3,869
Six Months Ended June 30, 2022
Beginning balance, December 31, 2021	$33	$2,807	$929	$3,769
Net income			173	173
Common stock dividends			(160)	(160)

Ending balance, June 30, 2022	$33	$2,807	$942	$3,782


WPL	Total WPL Common Equity
		Additional
	Common	Paid-In	Retained	Noncontrolling	Total
	Stock	Capital	Earnings	Interest	Equity
Three Months Ended June 30, 2023
Beginning balance, March 31, 2023	$66	$2,413	$1,234	$—	$3,713
Net income			72		72
Common stock dividends			(46)		(46)




Ending balance, June 30, 2023	$66	$2,413	$1,260	$—	$3,739
Three Months Ended June 30, 2022
Beginning balance, March 31, 2022	$66	$1,884	$1,101	$—	$3,051
Net income			63		63
Common stock dividends			(44)		(44)
Capital contributions from parent		85			85
Contributions from noncontrolling interest				29	29

Other		(1)			(1)
Ending balance, June 30, 2022	$66	$1,968	$1,120	$29	$3,183



WPL	Total WPL Common Equity
		Additional
	Common	Paid-In	Retained	Noncontrolling	Total
	Stock	Capital	Earnings	Interest	Equity
Six Months Ended June 30, 2023
Beginning balance, December 31, 2022	$66	$2,233	$1,192	$—	$3,491
Net income			160		160
Common stock dividends			(92)		(92)
Capital contributions from parent		180			180



Ending balance, June 30, 2023	$66	$2,413	$1,260	$—	$3,739
Six Months Ended June 30, 2022
Beginning balance, December 31, 2021	$66	$1,704	$1,053	$—	$2,823
Net income			156		156
Common stock dividends			(89)		(89)
Capital contributions from parent		265			265
Contributions from noncontrolling interest				29	29

Other		(1)			(1)
Ending balance, June 30, 2022	$66	$1,968	$1,120	$29	$3,183

WPL [Member]

Common Equity [Line Items]

Common Equity

COMMON EQUITY

Common Share Activity - A summary of Alliant Energy’s common stock activity was as follows:


Shares outstanding, January 1, 2023			251,134,966
At-the-market offering program			1,221,775

Shareowner Direct Plan			228,017
Equity-based compensation plans			134,334

Shares outstanding, June 30, 2023			252,719,092

Changes in Shareowners’ Equity - A summary of changes in shareowners’ equity was as follows (in millions):


Alliant Energy	Total Alliant Energy Common Equity
				Accumulated	Shares in
		Additional		Other	Deferred
	Common	Paid-In	Retained	Comprehensive	Compensation	Noncontrolling	Total
	Stock	Capital	Earnings	Income (Loss)	Trust	Interest	Equity
Three Months Ended June 30, 2023
Beginning balance, March 31, 2023	$3	$2,780	$3,559	($1)	($13)	$—	$6,328
Net income attributable to Alliant Energy common shareowners			160				160
Common stock dividends ($0.4525 per share)			(113)				(113)
At-the-market offering program and Shareowner Direct Plan issuances		70					70
Equity-based compensation plans and other		4			(1)		3



Other comprehensive income, net of tax				4			4
Ending balance, June 30, 2023	$3	$2,854	$3,606	$3	($14)	$—	$6,452
Three Months Ended June 30, 2022
Beginning balance, March 31, 2022	$3	$2,750	$3,336	$—	($12)	$—	$6,077
Net income attributable to Alliant Energy common shareowners			159				159
Common stock dividends ($0.4275 per share)			(108)				(108)
Shareowner Direct Plan issuances		6					6
Equity-based compensation plans and other		3					3
Contributions from noncontrolling interest						29	29


Ending balance, June 30, 2022	$3	$2,759	$3,387	$—	($12)	$29	$6,166



Alliant Energy	Total Alliant Energy Common Equity
				Accumulated	Shares in
		Additional		Other	Deferred
	Common	Paid-In	Retained	Comprehensive	Compensation	Noncontrolling	Total
	Stock	Capital	Earnings	Income (Loss)	Trust	Interest	Equity
Six Months Ended June 30, 2023
Beginning balance, December 31, 2022	$3	$2,777	$3,509	$—	($13)	$—	$6,276
Net income attributable to Alliant Energy common shareowners			323				323
Common stock dividends ($0.905 per share)			(226)				(226)
At-the-market offering program and Shareowner Direct Plan issuances		76					76
Equity-based compensation plans and other		1			(1)		—



Other comprehensive income, net of tax				3			3
Ending balance, June 30, 2023	$3	$2,854	$3,606	$3	($14)	$—	$6,452
Six Months Ended June 30, 2022
Beginning balance, December 31, 2021	$3	$2,749	$3,250	$—	($12)	$—	$5,990
Net income attributable to Alliant Energy common shareowners			351				351
Common stock dividends ($0.855 per share)			(215)				(215)
Shareowner Direct Plan issuances		13					13
Equity-based compensation plans and other		(3)	1				(2)
Contributions from noncontrolling interest						29	29


Ending balance, June 30, 2022	$3	$2,759	$3,387	$—	($12)	$29	$6,166



IPL		Additional		Total
	Common	Paid-In	Retained	Common
	Stock	Capital	Earnings	Equity
Three Months Ended June 30, 2023
Beginning balance, March 31, 2023	$33	$2,807	$970	$3,810
Net income			89	89
Common stock dividends			(70)	(70)
Capital contributions from parent		40		40
Ending balance, June 30, 2023	$33	$2,847	$989	$3,869
Three Months Ended June 30, 2022
Beginning balance, March 31, 2022	$33	$2,807	$935	$3,775
Net income			87	87
Common stock dividends			(80)	(80)

Ending balance, June 30, 2022	$33	$2,807	$942	$3,782




IPL		Additional		Total
	Common	Paid-In	Retained	Common
	Stock	Capital	Earnings	Equity
Six Months Ended June 30, 2023
Beginning balance, December 31, 2022	$33	$2,807	$968	$3,808
Net income			161	161
Common stock dividends			(140)	(140)
Capital contributions from parent		40		40
Ending balance, June 30, 2023	$33	$2,847	$989	$3,869
Six Months Ended June 30, 2022
Beginning balance, December 31, 2021	$33	$2,807	$929	$3,769
Net income			173	173
Common stock dividends			(160)	(160)

Ending balance, June 30, 2022	$33	$2,807	$942	$3,782


WPL	Total WPL Common Equity
		Additional
	Common	Paid-In	Retained	Noncontrolling	Total
	Stock	Capital	Earnings	Interest	Equity
Three Months Ended June 30, 2023
Beginning balance, March 31, 2023	$66	$2,413	$1,234	$—	$3,713
Net income			72		72
Common stock dividends			(46)		(46)




Ending balance, June 30, 2023	$66	$2,413	$1,260	$—	$3,739
Three Months Ended June 30, 2022
Beginning balance, March 31, 2022	$66	$1,884	$1,101	$—	$3,051
Net income			63		63
Common stock dividends			(44)		(44)
Capital contributions from parent		85			85
Contributions from noncontrolling interest				29	29

Other		(1)			(1)
Ending balance, June 30, 2022	$66	$1,968	$1,120	$29	$3,183



WPL	Total WPL Common Equity
		Additional
	Common	Paid-In	Retained	Noncontrolling	Total
	Stock	Capital	Earnings	Interest	Equity
Six Months Ended June 30, 2023
Beginning balance, December 31, 2022	$66	$2,233	$1,192	$—	$3,491
Net income			160		160
Common stock dividends			(92)		(92)
Capital contributions from parent		180			180



Ending balance, June 30, 2023	$66	$2,413	$1,260	$—	$3,739
Six Months Ended June 30, 2022
Beginning balance, December 31, 2021	$66	$1,704	$1,053	$—	$2,823
Net income			156		156
Common stock dividends			(89)		(89)
Capital contributions from parent		265			265
Contributions from noncontrolling interest				29	29

Other		(1)			(1)
Ending balance, June 30, 2022	$66	$1,968	$1,120	$29	$3,183

- Definition

The entire disclosure for equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-13

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-14

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481062/946-235-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481062/946-235-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481004/946-505-50-6

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-6

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(e)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//505/tableOfContent

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-13

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-13

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-13

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-14

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-14

Reference 16: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-16

Reference 17: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (a)
-Publisher FASB
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Reference 18: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
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Reference 19: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
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-Section 50
-Paragraph 18
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-18

+ Details