Alliant Energy (LNT) Debt/Equity Ratio: History & Chart

Alliant Energy Corporation(LNT)

Regulated Electric · Madison, WI

$67.98+0.12 (+0.18%)

Delayed quote: Sep 10, 2026, 10:15 AM EDT

About Alliant Energy Corporation

Alliant Energy Corporation functions as a utility holding company, specializing in the provision of regulated electricity and natural gas services. Its operational structure is divided into three principal segments: Utility Electric Operations, Utility Gas Operations, and Utility Other. Through its primary subsidiary, Interstate Power and Light Company (IPL), the corporation generates and distributes electricity, and manages the distribution and transportation of natural gas to retail customers throughout Iowa. IPL also markets electricity to wholesale buyers across Minnesota, Illinois, and Iowa, and generates and supplies steam in Cedar Rapids, Iowa. Similarly, its other subsidiary, Wisconsin Power and Light Company (WPL), is responsible for electricity generation and distribution, alongside natural gas distribution and transport, for retail clients within Wisconsin. WPL additionally sells wholesale electricity in Wisconsin. As of December 31, 2021, IPL catered to approximately 500,000 retail electric customers and 225,000 natural gas customers, while WPL provided services to about 485,000 retail electric accounts and 200,000 natural gas accounts. The company's diverse retail customer base includes businesses in farming, agriculture, industrial manufacturing, chemical production, packaging, and food processing. In addition to its core utility functions, Alliant Energy owns and operates a short-line rail freight service, a multi-modal freight terminal (encompassing barge, rail, and truck operations) on the Mississippi River, and a rail-served warehouse, all located in Iowa. It further provides freight brokerage services. The company also maintains interests in a 347-megawatt (MW) natural gas-fueled electric generating unit situated near Sheboygan Falls, Wisconsin, and a 225 MW wind farm located in Oklahoma. Alliant Energy Corporation was established in 1981 and maintains its headquarters in Madison, Wisconsin.

Madison, WI

2,948 employees

www.alliantenergy.com

Utilities / Regulated Electric

Sector: Utilities
Industry: Regulated Electric
CEO: Lisa Barton

View full financials

LNT Debt to Equity Ratio Metrics

DEBT TO EQUITY RATIO

1.61

DEBT TO EQUITY RATIO AVG TTM

1.62

DEBT TO EQUITY RATIO AVG 3Y

1.51

DEBT TO EQUITY RATIO AVG 5Y

1.44

DEBT TO EQUITY RATIO AVG 10Y

1.34

DEBT TO EQUITY RATIO AVG 15Y

1.24

DEBT TO EQUITY RATIO AVG 20Y

1.12

CURRENT VS TTM AVG

-0.67%

CURRENT VS 3Y AVG

+6.40%

CURRENT VS 5Y AVG

+11.54%

CURRENT VS 10Y AVG

+19.98%

CURRENT VS 15Y AVG

+29.80%

CURRENT VS 20Y AVG

+44.17%

SECTOR MEDIAN · UTILITIES

1.71

median of 40 covered companies

CURRENT VS SECTOR MEDIAN

-5.60%

vs the sector median at left

NAME	MARKET CAP	DEBT TO EQUITY RATIO	TTM	3Y	5Y
Alliant Energy Corporation (LNT)	$17.58B	1.61	1.62	1.51	1.44
Evergy, Inc. (EVRG)vs ›	$18.88B	1.61	1.46	1.39	1.32
NiSource Inc (NI)vs ›	$20.05B	1.83	1.67	1.64	1.62
Talen Energy Corporation (TLN)vs ›	$14.29B	5.92	4.21	3.19	4.01
CMS Energy Corporation (CMS)vs ›	$21.51B	1.97	2.04	2.05	2.06
Edison International (EIX)vs ›	$22.31B	2.48	2.42	2.31	2.14
Pinnacle West Capital Corporation (PNW)vs ›	$11.82B	1.62	2.08	1.83	1.66
NRG Energy, Inc. (NRG)vs ›	$23.84B	4.83	7.21	5.09	4.67
The AES Corporation (AES)vs ›	$10.58B	6.50	6.18	8.20	7.84
Brookfield Renewable Partners L.P. (BEP)vs ›	$9.41B	8.43	5.73	4.19	3.75

NAME

MARKET CAP

DEBT TO EQUITY RATIO

TTM

Alliant Energy Corporation (LNT)

$17.58B

1.61

1.62

1.51

1.44

Evergy, Inc. (EVRG)vs ›

$18.88B

1.61

1.46

1.39

1.32

NiSource Inc (NI)vs ›

$20.05B

1.83

1.67

1.64

1.62

Talen Energy Corporation (TLN)vs ›

$14.29B

5.92

4.21

3.19

4.01

CMS Energy Corporation (CMS)vs ›

$21.51B

1.97

2.04

2.05

2.06

Edison International (EIX)vs ›

$22.31B

2.48

2.42

2.31

2.14

Pinnacle West Capital Corporation (PNW)vs ›

$11.82B

1.62

2.08

1.83

1.66

NRG Energy, Inc. (NRG)vs ›

$23.84B

4.83

7.21

5.09

4.67

The AES Corporation (AES)vs ›

$10.58B

6.50

6.18

8.20

7.84

Brookfield Renewable Partners L.P. (BEP)vs ›

$9.41B

8.43

5.73

4.19

3.75

Debt to Equity Ratio FAQ

What is the debt to equity ratio for Alliant Energy Corporation (LNT)?

The debt to equity ratio for LNT stock is 1.61.

Is Alliant Energy Corporation's debt to equity ratio high or low?

The debt to equity ratio of 1.61 is 12% above its 5-year average of 1.44, near the high end of its 5-year range (1.23–1.68).

What is the TTM average debt to equity ratio for Alliant Energy Corporation (LNT)?

The TTM average debt to equity ratio for LNT stock is 1.62.

What is the 3Y average debt to equity ratio for Alliant Energy Corporation (LNT)?

The 3Y average debt to equity ratio for LNT stock is 1.51.

What is the 5Y average debt to equity ratio for Alliant Energy Corporation (LNT)?

The 5Y average debt to equity ratio for LNT stock is 1.44.

What is the 10Y average debt to equity ratio for Alliant Energy Corporation (LNT)?

The 10Y average debt to equity ratio for LNT stock is 1.34.

What is the 15Y average debt to equity ratio for Alliant Energy Corporation (LNT)?

The 15Y average debt to equity ratio for LNT stock is 1.24.

What is the 20Y average debt to equity ratio for Alliant Energy Corporation (LNT)?

The 20Y average debt to equity ratio for LNT stock is 1.12.

DATE	DEBT TO EQUITY RATIO
2026-06-30	1.61
2026-03-31	1.60
2025-12-31	1.68
2025-09-30	1.63
2025-06-30	1.58
2025-03-31	1.50
2024-12-31	1.49
2024-09-30	1.53
2024-06-30	1.44
2024-03-31	1.42
2023-12-31	1.40
2023-09-30	1.39
2023-06-30	1.40
2023-03-31	1.43
2022-12-31	1.39
2022-09-30	1.37
2022-06-30	1.32
2022-03-31	1.32
2021-12-31	1.32
2021-09-30	1.23
2021-06-30	1.26
2021-03-31	1.23
2020-12-31	1.26
2020-09-30	1.23
2020-06-30	1.22
2020-03-31	1.17
2019-12-31	1.25
2019-09-30	1.32
2019-06-30	1.39
2019-03-31	1.31
2018-12-31	1.30
2018-09-30	1.29
2018-06-30	1.28
2018-03-31	1.26
2017-12-31	1.26
2017-09-30	1.17
2017-06-30	1.17
2017-03-31	1.19
2016-12-31	1.18
2016-09-30	1.13
2016-06-30	1.09
2016-03-31	1.08
2015-12-31	1.07
2015-09-30	1.06
2015-06-30	1.07
2015-03-31	1.07
2014-12-31	1.14
2014-09-30	1.06
2014-06-30	1.09
2014-03-31	1.07
2013-12-31	1.10
2013-09-30	1.04
2013-06-30	1.07
2013-03-31	1.07
2012-12-31	1.07
2012-09-30	0.93
2012-06-30	0.97
2012-03-31	0.93
2011-12-31	0.93
2011-09-30	0.91
2011-06-30	0.92
2011-03-31	0.94
2010-12-31	0.88
2010-09-30	0.88
2010-06-30	0.91
2010-03-31	0.93
2009-12-31	0.91
2009-09-30	0.82
2009-06-30	0.70
2009-03-31	0.65
2008-12-31	0.66
2008-09-30	0.57
2008-06-30	0.64
2008-03-31	0.60
2007-12-31	0.62
2007-09-30	0.70
2007-06-30	0.66
2007-03-31	0.61
2006-12-31	0.64
2006-09-30	0.74
2006-06-30	0.73
2006-03-31	0.75
2005-12-31	0.97
2005-09-30	0.91
2005-06-30	1.06
2005-03-31	0.95
2004-12-31	0.98
2004-09-30	0.96
2004-06-30	1.00
2004-03-31	0.99
2003-12-31	1.00
2003-09-30	1.17
2003-06-30	1.49
2003-03-31	1.73
2002-12-31	1.65
2002-09-30	1.78

DATE

DEBT TO EQUITY RATIO

2026-06-30

1.61

2026-03-31

1.60

2025-12-31

1.68

2025-09-30

1.63

2025-06-30

1.58

2025-03-31

1.50

2024-12-31

1.49

2024-09-30

1.53

2024-06-30

1.44

2024-03-31

1.42

2023-12-31

1.40

2023-09-30

1.39

2023-06-30

1.40

2023-03-31

1.43

2022-12-31

1.39

2022-09-30

1.37

2022-06-30

1.32

2022-03-31

1.32

2021-12-31

1.32

2021-09-30

1.23

2021-06-30

1.26

2021-03-31

1.23

2020-12-31

1.26

2020-09-30

1.23

2020-06-30

1.22

2020-03-31

1.17

2019-12-31

1.25

2019-09-30

1.32

2019-06-30

1.39

2019-03-31

1.31

2018-12-31

1.30

2018-09-30

1.29

2018-06-30

1.28

2018-03-31

1.26

2017-12-31

1.26

2017-09-30

1.17

2017-06-30

1.17

2017-03-31

1.19

2016-12-31

1.18

2016-09-30

1.13

2016-06-30

1.09

2016-03-31

1.08

2015-12-31

1.07

2015-09-30

1.06

2015-06-30

1.07

2015-03-31

1.07

2014-12-31

1.14

2014-09-30

1.06

2014-06-30

1.09

2014-03-31

1.07

2013-12-31

1.10

2013-09-30

1.04

2013-06-30

1.07

2013-03-31

1.07

2012-12-31

1.07

2012-09-30

0.93

2012-06-30

0.97

2012-03-31

0.93

2011-12-31

0.93

2011-09-30

0.91

2011-06-30

0.92

2011-03-31

0.94

2010-12-31

0.88

2010-09-30

0.88

2010-06-30

0.91

2010-03-31

0.93

2009-12-31

0.91

2009-09-30

0.82

2009-06-30

0.70

2009-03-31

0.65

2008-12-31

0.66

2008-09-30

0.57

2008-06-30

0.64

2008-03-31

0.60

2007-12-31

0.62

2007-09-30

0.70

2007-06-30

0.66

2007-03-31

0.61

2006-12-31

0.64

2006-09-30

0.74

2006-06-30

0.73

2006-03-31

0.75

2005-12-31

0.97

2005-09-30

0.91

2005-06-30

1.06

2005-03-31

0.95

2004-12-31

0.98

2004-09-30

0.96

2004-06-30

1.00

2004-03-31

0.99

2003-12-31

1.00

2003-09-30

1.17

2003-06-30

1.49

2003-03-31

1.73

2002-12-31

1.65

2002-09-30

1.78

Debt to Equity Ratio: 1.61

LNT Debt to Equity Ratio

LNT Average Debt to Equity Ratio Chart

LNT Current vs Average Debt to Equity Ratio Chart

LNT Debt to Equity Ratio Metrics

LNT Competitors' Debt to Equity Ratio

Financial Health

Debt to Equity Ratio Formula & Definition

Debt to Equity Ratio FAQ

LNT Debt to Equity Ratio History

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