The current PE ratio for Alliant Energy stock as of Nov 5, 2025 is 20.63. This is calculated based on the current EPS of $3.24 and the stock price of $66.85 per share. The P/E ratio has a decrease of 4.4% from the past four quarters average of 21.6.
The average historical PE ratio of Alliant Energy for the last ten years is 21.22. The current PE ratio of 20.63 is 2.8% below the historical average. Over the past ten years, LNT's PE ratio was at its highest in the Sep 2016 quarter at 25.2, when the stock price was $38.31 and the EPS was $1.52. The lowest value was in the Sep 2023 quarter, when it reached 17.75 with a price of $48.45 and an EPS of $2.73.
Maximum annual increase: 24.26% in 2016
Maximum annual decrease: -52.34% in 2010
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| 2024 | 21.99 | 19.19% | $59.14 | $2.69 |
| 2023 | 18.45 | -8.75% | $51.3 | $2.78 |
| 2022 | 20.22 | -13.48% | $55.21 | $2.73 |
| 2021 | 23.37 | 12.03% | $61.47 | $2.63 |
| 2020 | 20.86 | -10.78% | $51.53 | $2.47 |
| 2019 | 23.38 | 21.2% | $54.72 | $2.34 |
| 2018 | 19.29 | -9.9% | $42.25 | $2.19 |
| 2017 | 21.41 | -7.32% | $42.61 | $1.99 |
| 2016 | 23.1 | 24.26% | $37.89 | $1.64 |
| 2015 | 18.59 | -3.18% | $31.23 | $1.68 |
| 2014 | 19.2 | 20.53% | $33.21 | $1.73 |
| 2013 | 15.93 | 5.22% | $25.8 | $1.62 |
| 2012 | 15.14 | -5.96% | $21.96 | $1.45 |
| 2011 | 16.1 | 13.86% | $22.06 | $1.37 |
| 2010 | 14.14 | -52.34% | $18.39 | $1.3 |
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| Jun 2025 | 18.66 | -15.91% | $60.47 | $3.24 |
| Mar 2025 | 22.19 | 0.91% | $64.35 | $2.9 |
| Dec 2024 | 21.99 | -6.51% | $59.14 | $2.69 |
| Sep 2024 | 23.52 | 13.19% | $60.69 | $2.58 |
| Jun 2024 | 20.78 | 13.37% | $50.9 | $2.45 |
| Mar 2024 | 18.33 | -0.65% | $50.4 | $2.75 |
| Dec 2023 | 18.45 | 3.94% | $51.3 | $2.78 |
| Sep 2023 | 17.75 | -11.74% | $48.45 | $2.73 |
| Jun 2023 | 20.11 | -2.09% | $52.48 | $2.61 |
| Mar 2023 | 20.54 | 1.58% | $53.4 | $2.6 |
| Dec 2022 | 20.22 | 1.1% | $55.21 | $2.73 |
| Sep 2022 | 20 | -5.48% | $52.99 | $2.65 |
| Jun 2022 | 21.16 | -7.88% | $58.61 | $2.77 |
| Mar 2022 | 22.97 | -1.71% | $62.48 | $2.72 |
| Dec 2021 | 23.37 | 5.6% | $61.47 | $2.63 |
Currently, LNT's PE ratio is greater than its 3-year historical average, but it is below the 5 and 10-year averages.
With a P/E of 20.63, LNT is below the Utilities sector, the industry and its peers average. But compared to its Utilities sector average of 20.94, Alliant Energy's P/E is only 1.5% lower.
LNT's PE ratio is lower than its peer stocks NU and XEL, but it is greater than DUK's and DTE's. Alliant Energy's current PE ratio of 20.63 is below the average of its peers, which is 23.27.
| Stock name | PE ratio | Market cap |
|---|---|---|
| DTE Dte Energy Co | 20.16 | $27.92B |
| DUK Duke Energy CORP | 20.25 | $96.83B |
| LNT Alliant Energy Corp | 20.75 | $17.28B |
| CMS Cms Energy Corp | 20.92 | $28.36B |
| WEC Wec Energy Group Inc | 21.12 | $36.54B |
| AEE Ameren Corp | 22.72 | $28.08B |
| MGEE Mge Energy Inc | 23.25 | $3.07B |
| ALE Allete Inc | 23.46 | $3.91B |
| XEL Xcel Energy Inc | 24.74 | $48.15B |
| NU Nu Holdings Ltd | 33.09 | $76.76B |
The price to earnings ratio for LNT stock as of Nov 5, 2025, stands at 20.63.
The 3-year average PE ratio for LNT stock is 20.23.
The 5-year average PE ratio for LNT stock is 20.91.
Over the last ten years, the quarterly PE ratio reached a historic high of 25.2 in the Sep 2016 quarter.
The current price to earnings ratio of LNT is 2.8% lower than the 10-year historical average.
The PE ratio is calculated by dividing the most recent price of a stock by its trailing twelve months EPS. As of today (Nov 5, 2025), Alliant Energy's stock price is $66.85. The earnings per share for the trailing twelve months (TTM) ending Jun 2025 is $3.24. Therefore, Alliant Energy's P/E ratio for today is 20.63. PE RATIO(20.63) = STOCK PRICE($66.85) / TTM EPS($3.24)
All PE ratio stats are based on quarterly TTM periods, unless otherwise specified.