Alliant Energy (FRA:AY1) ROE % Adjusted to Book Value: 4.87% (As of Mar. 2026)


FRA:AY1 Alliant Energy Corp FRA:AY1
78 GF Score
Price €65.92
GF Value €57.40
Valuation Modestly Overvalued
! 10 Warning Signs
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What is Alliant Energy ROE % Adjusted to Book Value?

Alliant Energy FRA:AY1 -0.48% 78 ROE % Adjusted to Book Value is 4.87% as of Mar. 2026. GuruFocus rates FRA:AY1 with a GF Score™ of 78/100 and a GF Value™ of €57.40 (Modestly Overvalued). The stock has 10 warning signs investors should review.

Alliant Energy's ROE % for the quarter that ended in Mar. 2026 was 12.22%. Alliant Energy's PB Ratio for the quarter that ended in Mar. 2026 was 2.51. Alliant Energy's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 was 4.87%.

Alliant Energy ROE % Adjusted to Book Value Related Terms

Alliant Energy ROE % Adjusted to Book Value Historical Data

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The historical data trend for Alliant Energy's ROE % Adjusted to Book Value can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Alliant Energy ROE % Adjusted to Book Value Chart

Alliant Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only 4.73 5.17 5.59 4.66 4.68

Alliant Energy Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 5.20 4.38 6.62 3.41 4.87

FRA:AY1 vs EVRG, CMS, PNW: ROE % Adjusted to Book Value Comparison

For the Utilities - Regulated Electric subindustry, Alliant Energy's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Alliant Energy ROE % Adjusted to Book Value vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Alliant Energy's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Alliant Energy's ROE % Adjusted to Book Value falls into.


FRA:AY1
78GF Score
Alliant Energy Corp FRA:AY1
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Alliant Energy ROE % Adjusted to Book Value Calculation

Alliant Energy's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=10.68% / 2.28
=4.68%

Alliant Energy's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=12.22% / 2.51
=4.87%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a ROE % Adjusted to Book Value of 4.87% mean?
Alliant Energy (FRA:AY1) has a ROE % Adjusted to Book Value of 4.87% as of Mar. 2026. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Alliant Energy and its competitors.
Is Alliant Energy's ROE % Adjusted to Book Value too high?
Alliant Energy's current ROE % Adjusted to Book Value is 4.87%. Overall, Alliant Energy has a GF Score™ of 78/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Alliant Energy's ROE % Adjusted to Book Value compare to EVRG and CMS?
Alliant Energy's ROE % Adjusted to Book Value of 4.87% can be compared against companies in the Utilities - Regulated industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for an Utilities - Regulated company?
A good ROE % Adjusted to Book Value depends on the Utilities - Regulated industry context. However, ROE % Adjusted to Book Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Alliant Energy and its competitors. Alliant Energy's current ROE % Adjusted to Book Value is 4.87%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alliant Energy stock overvalued right now?
Based on GuruFocus' analysis, Alliant Energy (FRA:AY1) is currently considered Modestly Overvalued. The stock's GF Value™ is €57.40, compared to a current price of €65.92 — trading 14.8% above its estimated fair value. The current ROE % Adjusted to Book Value is 4.87%. Alliant Energy's overall GF Score™ is 78/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Alliant Energy (FRA:AY1), the current ROE % Adjusted to Book Value is 4.87% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Alliant Energy (FRA:AY1) Overvalued in 2026?

Based on GuruFocus' analysis, Alliant Energy stock appears to be overvalued. The current stock price of €65.92 is trading 14.8% above its estimated GF Value™ of €57.40. GuruFocus considers Alliant Energy to be Modestly Overvalued.

Key valuation signals for FRA:AY1:

  • ROE % Adjusted to Book Value: 4.87%
  • GF Value™: €57.40 vs. price of €65.92 (14.8% above fair value)
  • GF Score™: 78/100 with 10 warning signs

No single metric tells the full story. See the FRA:AY1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Alliant Energy Business Description

Other Exchanges LNT:USA0HCT:UKAY1:Germany
Address 4902 North Biltmore Lane, Madison, WI, USA, 53718
Alliant Energy is the parent of two regulated utilities, Interstate Power and Light and Wisconsin Power and Light. Together, IPL and WPL serve nearly 1 million electric customers and 425,000 natural gas-only customers. Both subsidiaries engage in the generation and distribution of electricity and the distribution and transportation of natural gas. Alliant also owns a 16% interest in American Transmission.
78GF Score

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ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€65.92
Price
€57.40
GF Value