Alliant Energy Corporation P/E Ratio 2008–2025
Alliant Energy Corporation reported 20.23 of price-to-earnings ratio for fiscal 2025. That was 2.7% lower than fiscal 2024. Compared with fiscal 2020, the change was +16.7%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive.
| Fiscal year | P/E Ratio | Change (YoY) |
|---|---|---|
| FY 2025 | 20.23 | -2.7% |
| FY 2024 | 20.80 | +23.5% |
| FY 2023 | 16.84 | -5.6% |
| FY 2022 | 17.83 | -10.8% |
| FY 2021 | 20.00 | +15.4% |
| FY 2020 | 17.33 | -8.7% |
| FY 2019 | 18.97 | +25.4% |
| FY 2018 | 15.13 | -7.0% |
| FY 2017 | 16.26 | — |
| FY 2016 | — | — |
| FY 2015 | — | — |
| FY 2014 | — | — |
| FY 2013 | — | — |
| FY 2012 | — | — |
| FY 2011 | 9.88 | +18.9% |
| FY 2010 | 8.32 | -50.6% |
| FY 2009 | 16.82 | +183.8% |
| FY 2008 | 5.93 | — |
Source: Alliant Energy Corporation SEC filings — fiscal-year-end price ÷ diluted EPS. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open LNT 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
Alliant Energy Corporation reported 20.23 of price-to-earnings ratio for fiscal 2025. That was 2.7% lower than fiscal 2024. Compared with fiscal 2020, the change was +16.7%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.
Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.
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What is Alliant Energy Corporation's price-to-earnings ratio?
Alliant Energy Corporation (LNT) reported price-to-earnings ratio of 20.23 for fiscal year 2025, per its SEC filings.
How has Alliant Energy Corporation's price-to-earnings ratio changed over time?
Between fiscal 2008 and 2025, LNT's price-to-earnings ratio grew at roughly 7.5% per year (compound annual rate), from 5.93 to 20.23.
Where does this data come from?
Figures are computed from Alliant Energy Corporation's official SEC filings (fiscal-year-end price ÷ diluted EPS), refreshed nightly. Not investment advice.
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