Alliant EnergyFRA:AY1 +1.40%78 FCF Margin % is 31.08% as of Mar. 2026, which is 99% above its 10-year median of 15.64. GuruFocus rates FRA:AY1 with a GF Score™ of 78/100 and a GF Value™ of €56.74 (Modestly Overvalued). The stock has 10 warning signs investors should review. Among 499 Utilities - Regulated companies, Alliant Energy ranks better than 91.98% on this metric.
The historical rank and industry rank for Alliant Energy's FCF Margin % or its related term are showing as below:
FRA:AY1'
s FCF Margin % Range Over the Past 10 Years
Min: 11.56 Med: 15.64 Max: 29.31
Current: 29.14
During the past 13 years, the highest FCF Margin % of Alliant Energy was 29.31%. The lowest was 11.56%. And the median was 15.64%.
FRA:AY1's FCF Margin % is ranked better than 91.98% of 499
companies
in the Utilities - Regulated industry
Industry Median: 2.36
vs FRA:AY1: 29.14
Alliant Energy FCF Margin % Related Terms
Alliant Energy FCF Margin % Historical Data
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The historical data trend for Alliant Energy's FCF Margin % 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.
FRA:AY1 vs EVRG, CMS, PNW: FCF Margin % Comparison
For the Utilities - Regulated Electric subindustry, Alliant Energy's FCF Margin %, along with its competitors' market caps and FCF Margin % 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 FCF Margin % vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Alliant Energy's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Alliant Energy's FCF Margin % falls into.
* 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 (FRA:AY1) has a FCF Margin % of 31.08% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Alliant Energy and its competitors. This is 99% above median its historical median of 15.64. Over the past decade, Alliant Energy's FCF Margin % has ranged from 11.56 to 29.31. According to the industry distribution chart, Alliant Energy ranks #40 out of 499 companies in the Utilities - Regulated industry, placing it in the top 8%.
Is Alliant Energy's FCF Margin % too high?
Alliant Energy's current FCF Margin % of 31.08% is 99% above median its 10-year median of 15.64. Over the past 10 years, this metric has ranged from a low of 11.56 to a high of 29.31. The Utilities - Regulated industry median FCF Margin % is 2.36. Alliant Energy's value of 31.08% is 1216.9% above this industry median. Based on the distribution chart, Alliant Energy ranks #40 out of 499 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. 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 FCF Margin % compare to EVRG and CMS?
According to the Utilities - Regulated industry distribution chart, Alliant Energy ranks #40 out of 499 companies for FCF Margin %. This places Alliant Energy in the top 8% of its industry — outperforming the majority of peers. The industry median FCF Margin % is 2.36. Alliant Energy's value of 31.08% is 1216.9% above this benchmark. Historically, Alliant Energy's own FCF Margin % has ranged from 11.56 to 29.31 over the past decade. While the company's 10-year median is 15.64 vs. the industry median of 2.36, Alliant Energy has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for an Utilities - Regulated company?
The median FCF Margin % among Utilities - Regulated companies is 2.36, based on 499 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Alliant Energy's current FCF Margin % of 31.08% is 1216.9% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Alliant Energy and its competitors. For the Utilities - Regulated industry, the median FCF Margin % is 2.36 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alliant Energy's current FCF Margin % is 31.08%, which is 99% above median its own 10-year median of 15.64. 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 €56.74, compared to a current price of €65.86 — trading 16.1% above its estimated fair value. The current FCF Margin % is 31.08%, which is 99% above median its 10-year median of 15.64 and 1216.9% above the Utilities - Regulated industry median of 2.36. 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 FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Alliant Energy (FRA:AY1), the current FCF Margin % is 31.08% 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 €65.86 is trading 16.1% above its estimated GF Value™ of €56.74.
GuruFocus considers Alliant Energy to be Modestly Overvalued.
Key valuation signals for FRA:AY1:
FCF Margin %: 31.08% (99% above median its 10-year median of 15.64)
GF Value™: €56.74 vs. price of €65.86 (16.1% above fair value)
Industry Position: 1216.9% above the Utilities - Regulated median (#40 of 499)
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 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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