LNT currently shows a PE to growth ratio reading of 1.51 as of Nov 11, 2026. This metric combines a PE of 20.39 with an earnings growth rate of 13.5%.
A ten years lookback reveals an average PEG ratio of 3.57 for Alliant Energy. Compared to historical data, LNT's 1.51 PEG ratio represents a drop of 58%. Within the past ten years, the Sep 2019 quarter saw the highest PEG reading at 26.76. At 0.58, the Jun 2025 quarter represented the lowest PEG ratio in this timeframe.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 1.21 | 20.64 | 17.1% |
| 2024 | N/A | 21.99 | -3.2% |
| 2023 | 10.25 | 18.45 | 1.8% |
| 2022 | 5.32 | 20.22 | 3.8% |
| 2021 | 3.6 | 23.37 | 6.5% |
| 2020 | 3.73 | 20.86 | 5.6% |
| 2019 | 3.44 | 23.38 | 6.8% |
| 2018 | 1.91 | 19.29 | 10.1% |
| 2017 | 1.01 | 21.41 | 21.3% |
| 2016 | N/A | 23.1 | -2.4% |
| 2015 | N/A | 18.59 | -2.9% |
| 2014 | 2.56 | 19.2 | 7.5% |
| 2013 | 1.46 | 16.02 | 11% |
| 2012 | 2.61 | 15.14 | 5.8% |
| 2011 | 2.98 | 16.1 | 5.4% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Sep 2026 | 1.3 | 17.53 | 13.5% |
| Jun 2026 | N/A | 24.07 | -2.2% |
| Mar 2026 | 2.25 | 22.5 | 10% |
| Dec 2025 | 1.21 | 20.64 | 17.1% |
| Sep 2025 | 0.91 | 21.2 | 23.3% |
| Jun 2025 | 0.58 | 18.66 | 32.2% |
| Mar 2025 | 4.03 | 22.19 | 5.5% |
| Dec 2024 | N/A | 21.99 | -3.2% |
| Sep 2024 | N/A | 23.52 | -5.5% |
| Jun 2024 | N/A | 20.78 | -6.1% |
| Mar 2024 | 3.16 | 18.33 | 5.8% |
| Dec 2023 | 10.25 | 18.45 | 1.8% |
| Sep 2023 | 5.92 | 17.75 | 3% |
| Jun 2023 | N/A | 20.11 | -5.8% |
| Mar 2023 | N/A | 20.54 | -4.4% |
LNT's PEG ratio today is lower than the 3, 5 and 10-year averages.
With a PEG of 1.51, LNT stands higher than the Utilities sector average but lower than the industry and its peers average. But when looking at the Utilities sector average of 1.45, Alliant Energy's PEG is only 4.1% higher.
Relative to its peers, LNT's PEG ratio is lower than DUK's and WEC's yet above NU's and XEL's. With a PEG ratio of 1.51, Alliant Energy is lower than the 1.87 peer average.
LNT has a PEG ratio of 1.51, per Nov 11, 2026 data.
LNT has a 3-year average PEG ratio of 2.96.
LNT has a 5-year average PEG ratio of 3.35.
The Sep 2019 quarter marked the ten years high at 26.76 for LNT's PEG ratio.
LNT currently has a PEG ratio 58% below its 10-year average.
To calculate the PEG ratio, take the company's PE ratio and divide by its earnings per share growth (YoY TTM). As of Nov 11, 2026, Alliant Energy has a PE ratio of 20.39. Earnings grew at 13.5% over the TTM period ending Sep 2026. Applying the formula, this gives a PEG ratio of 1.51. PEG RATIO(1.51) = PE RATIO(20.39) / EPS GROWTH(13.5%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.