Alliant Energy (LNT) Interest Coverage Ratio: History & Chart

Alliant Energy Corporation(LNT)

Regulated Electric · Madison, WI

$66.76-0.16 (-0.24%)

Delayed quote: Sep 15, 2026, 10:20 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

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LNT Interest Coverage Ratio Metrics

INTEREST COVERAGE RATIO

2.00x

INTEREST COVERAGE RATIO AVG TTM

1.79x

INTEREST COVERAGE RATIO AVG 3Y

1.99x

INTEREST COVERAGE RATIO AVG 5Y

2.29x

INTEREST COVERAGE RATIO AVG 10Y

2.50x

INTEREST COVERAGE RATIO AVG 15Y

2.62x

INTEREST COVERAGE RATIO AVG 20Y

2.66x

CURRENT VS TTM AVG

+11.58%

CURRENT VS 3Y AVG

+0.40%

CURRENT VS 5Y AVG

-12.58%

CURRENT VS 10Y AVG

-19.87%

CURRENT VS 15Y AVG

-23.73%

CURRENT VS 20Y AVG

-24.75%

SECTOR MEDIAN · UTILITIES

2.39x

median of 39 covered companies

CURRENT VS SECTOR MEDIAN

-16.32%

vs the sector median at left

NAME	MARKET CAP	INTEREST COVERAGE RATIO	TTM	3Y	5Y
Alliant Energy Corporation (LNT)	$17.24B	2.00x	1.79x	1.99x	2.29x
Evergy, Inc. (EVRG)vs ›	$18.69B	2.42x	2.50x	2.65x	2.88x
NiSource Inc (NI)vs ›	$19.72B	2.77x	2.79x	2.94x	2.70x
CMS Energy Corporation (CMS)vs ›	$20.91B	2.19x	2.15x	2.14x	2.22x
Talen Energy Corporation (TLN)vs ›	$13.03B	0.05x	0.37x	0.32x	0.32x
Edison International (EIX)vs ›	$21.56B	4.61x	3.09x	2.27x	2.01x
NRG Energy, Inc. (NRG)vs ›	$22.64B	2.40x	3.06x	2.89x	3.53x
Pinnacle West Capital Corporation (PNW)vs ›	$11.56B	2.65x	2.67x	2.67x	2.93x
The AES Corporation (AES)vs ›	$10.56B	1.39x	1.36x	1.67x	2.06x
CenterPoint Energy, Inc. (CNP)vs ›	$25.34B	2.34x	2.35x	2.55x	2.46x

NAME

MARKET CAP

INTEREST COVERAGE RATIO

TTM

Alliant Energy Corporation (LNT)

$17.24B

2.00x

1.79x

1.99x

2.29x

Evergy, Inc. (EVRG)vs ›

$18.69B

2.42x

2.50x

2.65x

2.88x

NiSource Inc (NI)vs ›

$19.72B

2.77x

2.79x

2.94x

2.70x

CMS Energy Corporation (CMS)vs ›

$20.91B

2.19x

2.15x

2.14x

2.22x

Talen Energy Corporation (TLN)vs ›

$13.03B

0.05x

0.37x

0.32x

Edison International (EIX)vs ›

$21.56B

4.61x

3.09x

2.27x

2.01x

NRG Energy, Inc. (NRG)vs ›

$22.64B

2.40x

3.06x

2.89x

3.53x

Pinnacle West Capital Corporation (PNW)vs ›

$11.56B

2.65x

2.67x

2.93x

The AES Corporation (AES)vs ›

$10.56B

1.39x

1.36x

1.67x

2.06x

CenterPoint Energy, Inc. (CNP)vs ›

$25.34B

2.34x

2.35x

2.55x

2.46x

Interest Coverage Ratio FAQ

What is the interest coverage ratio for Alliant Energy Corporation (LNT)?

The interest coverage ratio for LNT stock is 2.00x.

Is Alliant Energy Corporation's interest coverage ratio high or low?

The interest coverage ratio of 2.00x is 13% below its 5-year average of 2.29x, near the low end of its 5-year range (1.20x–4.25x).

What is the TTM average interest coverage ratio for Alliant Energy Corporation (LNT)?

The TTM average interest coverage ratio for LNT stock is 1.79x.

What is the 3Y average interest coverage ratio for Alliant Energy Corporation (LNT)?

The 3Y average interest coverage ratio for LNT stock is 1.99x.

What is the 5Y average interest coverage ratio for Alliant Energy Corporation (LNT)?

The 5Y average interest coverage ratio for LNT stock is 2.29x.

What is the 10Y average interest coverage ratio for Alliant Energy Corporation (LNT)?

The 10Y average interest coverage ratio for LNT stock is 2.50x.

What is the 15Y average interest coverage ratio for Alliant Energy Corporation (LNT)?

The 15Y average interest coverage ratio for LNT stock is 2.62x.

What is the 20Y average interest coverage ratio for Alliant Energy Corporation (LNT)?

The 20Y average interest coverage ratio for LNT stock is 2.66x.

DATE	INTEREST COVERAGE RATIO
2026-06-30	1.29x
2026-03-31	1.75x
2025-12-31	1.39x
2025-09-30	2.73x
2025-06-30	1.80x
2025-03-31	2.16x
2024-12-31	1.84x
2024-09-30	2.75x
2024-06-30	1.20x
2024-03-31	2.07x
2023-12-31	1.40x
2023-09-30	3.25x
2023-06-30	2.26x
2023-03-31	2.36x
2022-12-31	1.50x
2022-09-30	3.72x
2022-06-30	2.72x
2022-03-31	3.35x
2021-12-31	1.69x
2021-09-30	4.25x
2021-06-30	2.55x
2021-03-31	2.87x
2020-12-31	1.33x
2020-09-30	4.00x
2020-06-30	2.40x
2020-03-31	2.72x
2019-12-31	1.67x
2019-09-30	4.25x
2019-06-30	2.16x
2019-03-31	2.67x
2018-12-31	1.85x
2018-09-30	4.05x
2018-06-30	2.47x
2018-03-31	2.80x
2017-12-31	1.78x
2017-09-30	4.29x
2017-06-30	2.83x
2017-03-31	2.73x
2016-12-31	1.40x
2016-09-30	3.33x
2016-06-30	2.68x
2016-03-31	3.04x
2015-12-31	1.32x
2015-09-30	5.08x
2015-06-30	2.34x
2015-03-31	3.28x
2014-12-31	1.59x
2014-09-30	4.37x
2014-06-30	2.29x
2014-03-31	3.41x
2013-12-31	1.95x
2013-09-30	4.74x
2013-06-30	2.43x
2013-03-31	2.83x
2012-12-31	2.09x
2012-09-30	5.58x
2012-06-30	2.82x
2012-03-31	2.46x
2011-12-31	2.42x
2011-09-30	4.77x
2011-06-30	1.78x
2011-03-31	3.16x
2010-12-31	2.45x
2010-09-30	5.89x
2010-06-30	2.54x
2010-03-31	2.68x
2009-12-31	2.45x
2009-09-30	3.76x
2009-06-30	1.75x
2009-03-31	2.06x
2008-09-30	6.35x
2008-06-30	2.71x
2008-03-31	4.21x
2007-12-31	488.14x
2007-06-30	3.59x
2006-09-30	85.25x
2006-06-30	48.95x
2006-03-31	171.14x
2005-09-30	24.13x
2005-06-30	-3.17x

DATE

INTEREST COVERAGE RATIO

2026-06-30

1.29x

2026-03-31

1.75x

2025-12-31

1.39x

2025-09-30

2.73x

2025-06-30

1.80x

2025-03-31

2.16x

2024-12-31

1.84x

2024-09-30

2.75x

2024-06-30

1.20x

2024-03-31

2.07x

2023-12-31

1.40x

2023-09-30

3.25x

2023-06-30

2.26x

2023-03-31

2.36x

2022-12-31

1.50x

2022-09-30

3.72x

2022-06-30

2.72x

2022-03-31

3.35x

2021-12-31

1.69x

2021-09-30

4.25x

2021-06-30

2.55x

2021-03-31

2.87x

2020-12-31

1.33x

2020-09-30

4.00x

2020-06-30

2.40x

2020-03-31

2.72x

2019-12-31

1.67x

2019-09-30

4.25x

2019-06-30

2.16x

2019-03-31

2.67x

2018-12-31

1.85x

2018-09-30

4.05x

2018-06-30

2.47x

2018-03-31

2.80x

2017-12-31

1.78x

2017-09-30

4.29x

2017-06-30

2.83x

2017-03-31

2.73x

2016-12-31

1.40x

2016-09-30

3.33x

2016-06-30

2.68x

2016-03-31

3.04x

2015-12-31

1.32x

2015-09-30

5.08x

2015-06-30

2.34x

2015-03-31

3.28x

2014-12-31

1.59x

2014-09-30

4.37x

2014-06-30

2.29x

2014-03-31

3.41x

2013-12-31

1.95x

2013-09-30

4.74x

2013-06-30

2.43x

2013-03-31

2.83x

2012-12-31

2.09x

2012-09-30

5.58x

2012-06-30

2.82x

2012-03-31

2.46x

2011-12-31

2.42x

2011-09-30

4.77x

2011-06-30

1.78x

2011-03-31

3.16x

2010-12-31

2.45x

2010-09-30

5.89x

2010-06-30

2.54x

2010-03-31

2.68x

2009-12-31

2.45x

2009-09-30

3.76x

2009-06-30

1.75x

2009-03-31

2.06x

2008-09-30

6.35x

2008-06-30

2.71x

2008-03-31

4.21x

2007-12-31

488.14x

2007-06-30

3.59x

2006-09-30

85.25x

2006-06-30

48.95x

2006-03-31

171.14x

2005-09-30

24.13x

2005-06-30

-3.17x

Interest Coverage Ratio: 2.00x

LNT Interest Coverage Ratio

LNT Average Interest Coverage Ratio Chart

LNT Current vs Average Interest Coverage Ratio Chart

LNT Interest Coverage Ratio Metrics

LNT Competitors' Interest Coverage Ratio

Financial Health Indicators

Interest Coverage Ratio Formula & Definition

Interest Coverage Ratio FAQ

LNT Interest Coverage Ratio History

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