Alliant EnergyFRA:AY1 -0.48%78 Days Payable is 63.79 as of Mar. 2026, which is 20% below its 10-year median of 79.84. 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. Among 481 Utilities - Regulated companies, Alliant Energy ranks better than 51.56% on this metric.
The historical rank and industry rank for Alliant Energy's Days Payable or its related term are showing as below:
FRA:AY1'
s Days Payable Range Over the Past 10 Years
Min: 70.22 Med: 79.84 Max: 108.8
Current: 72.61
During the past 13 years, Alliant Energy's highest Days Payable was 108.80. The lowest was 70.22. And the median was 79.84.
FRA:AY1's Days Payable is ranked better than 51.56% of 481
companies
in the Utilities - Regulated industry
Industry Median: 70.35
vs FRA:AY1: 72.61
Alliant Energy's Days Payable
declined
from Mar. 2025 (69.11) to Mar. 2026 (63.79).
It may suggest that Alliant Energyaccelerated paying its suppliers.
Alliant Energy Days Payable Related Terms
Alliant Energy Days Payable Historical Data
* Premium members only.
The historical data trend for Alliant Energy's Days Payable 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: Days Payable Comparison
For the Utilities - Regulated Electric subindustry, Alliant Energy's Days Payable, along with its competitors' market caps and Days Payable 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 Days Payable vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Alliant Energy's Days Payable distribution charts can be found below:
* The bar in red indicates where Alliant Energy's Days Payable falls into.
Days Payable indicates the number of days that the account payable relative to cost of goods sold the company has. An increase of Days Payable may suggest that the company delays paying its suppliers.
Alliant Energy's Days Payable for the fiscal year that ended in Dec. 2025 is calculated as
* 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 Days Payable of 63.79 as of Mar. 2026. Days payable represents the average amount of days a company waits to pay its invoices from suppliers. View historical data on Alliant Energy and its competitors. This is 20% below median its historical median of 79.84. Over the past decade, Alliant Energy's Days Payable has ranged from 70.22 to 108.80. According to the industry distribution chart, Alliant Energy ranks #233 out of 481 companies in the Utilities - Regulated industry, placing it in the top 48.4%.
Is Alliant Energy's Days Payable too high?
Alliant Energy's current Days Payable of 63.79 is 20% below median its 10-year median of 79.84. Over the past 10 years, this metric has ranged from a low of 70.22 to a high of 108.80. The Utilities - Regulated industry median Days Payable is 70.35. Alliant Energy's value of 63.79 is 9.3% below this industry median. Based on the distribution chart, Alliant Energy ranks #233 out of 481 companies in the Utilities - Regulated industry, which is above the industry midpoint. 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 Days Payable compare to EVRG and CMS?
According to the Utilities - Regulated industry distribution chart, Alliant Energy ranks #233 out of 481 companies for Days Payable. This puts Alliant Energy in the upper half of its industry. The industry median Days Payable is 70.35. Alliant Energy's value of 63.79 is 9.3% below this benchmark. Historically, Alliant Energy's own Days Payable has ranged from 70.22 to 108.80 over the past decade. While the company's 10-year median is 79.84 vs. the industry median of 70.35, Alliant Energy has consistently been below 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 Days Payable for an Utilities - Regulated company?
The median Days Payable among Utilities - Regulated companies is 70.35, based on 481 companies in the industry. Companies in the top quartile (top 25%) have a Days Payable significantly above this median, while those in the bottom quartile fall well below. However, Days Payable should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Alliant Energy's current Days Payable of 63.79 is 9.3% below 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 Days Payable mean?
A high Days Payable can signal that a stock is expensive relative to its fundamentals. Days payable represents the average amount of days a company waits to pay its invoices from suppliers. View historical data on Alliant Energy and its competitors. For the Utilities - Regulated industry, the median Days Payable is 70.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alliant Energy's current Days Payable is 63.79, which is 20% below median its own 10-year median of 79.84. 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 Days Payable is 63.79, which is 20% below median its 10-year median of 79.84 and 9.3% below the Utilities - Regulated industry median of 70.35. 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 Days Payable calculated?
Days Payable is calculated from a company's financial statements. For Alliant Energy (FRA:AY1), the current Days Payable is 63.79 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:
Days Payable: 63.79 (20% below median its 10-year median of 79.84)
GF Value™: €57.40 vs. price of €65.92 (14.8% above fair value)
Industry Position: 9.3% below the Utilities - Regulated median (#233 of 481)
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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