LNT Alliant Energy PEG ratio, current and historical analysis

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Relative Growth: Rel. Growth: 65
Relative Strength: Rel. Strength: 55
Relative Valuation: Rel. Valuation: 51
Relative Profitability: Rel. Profitability: 66

LNT currently shows a PE to growth ratio reading of 2.3 as of Jun 22, 2026. This metric combines a PE of 22.95 with an earnings growth rate of 10.0%. When compared to the trailing 4-quarter average of 1.24, LNT's PEG ratio reflects a 86% increase.

LNT PEG ratio history

How has LNT's PEG ratio performed in the past

A ten years lookback reveals an average PEG ratio of 3.86 for Alliant Energy. Compared to historical data, LNT's 2.3 PEG ratio represents a drop of 40%. 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.

Today
2.3
Average
3.86
Median
2.21
Minimum
0.58
Maximum
26.76

Alliant Energy PEG ratio by year

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%

Alliant Energy PEG ratio by quarter (TTM)

Year PEG ratio PE ratio Growth YoY
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%
Dec 2022 5.32 20.22 3.8%
Sep 2022 4.26 20 4.7%

LNT average PEG ratio chart

What is the average PEG ratio of LNT for the past years

LNT's PEG ratio today is lower than the 3, 5 and 10-year averages.

3-year avg
3.54
5-year avg
3.51
10-year avg
3.86
15-year avg
3.26

PEG comparison

With a PEG of 2.3, LNT stands higher than the Utilities sector, the industry and its peers average. Looking at the Utilities sector average of 1.29, Alliant Energy's PEG is 78% higher.

LNT EPS growth

Earnings per share growth rates over time chart

LNT Price vs fair value

How does LNT's price compare to its estimated fair value based on its growth

LNT PEG vs peers

What is LNT's PEG ratio compared to its peers

Relative to its peers, LNT's PEG ratio is lower than XEL's and CMS's yet above DUK's and NU's. With a PEG ratio of 2.3, Alliant Energy is higher than the 1.64 peer average.

Stock name PEG ratio Market cap
NU Nu Holdings Ltd 0.41 $62.11B
AEE Ameren Corp 0.82 $30.36B
MGEE Mge Energy Inc 1.85 $2.79B
DUK Duke Energy CORP 2.28 $96.3B
LNT Alliant Energy Corp 2.3 $18.91B
CMS Cms Energy Corp 2.86 $22.8B
XEL Xcel Energy Inc 8.68 $49.2B
WEC Wec Energy Group Inc N/A $36.82B
DTE Dte Energy Co N/A $30.54B

Frequently asked questions

What is Alliant Energy's PEG ratio?

LNT has a PEG ratio of 2.3, per Jun 22, 2026 data.

What is the 3-year average PEG ratio for Alliant Energy (LNT)?

LNT has a 3-year average PEG ratio of 3.54.

What is the 5-year average PEG ratio for Alliant Energy (LNT)?

LNT has a 5-year average PEG ratio of 3.51.

What is the highest PEG ratio for LNT?

The Sep 2019 quarter marked the ten years high at 26.76 for LNT's PEG ratio.

How does the current PEG ratio for LNT compare to its historical average?

LNT currently has a PEG ratio 40% below its 10-year average.

Why is Alliant Energy's PEG ratio so high?

A 2.3 PEG ratio for LNT suggests the stock trades at a premium relative to its growth trajectory.

How is LNT's PEG ratio calculated (Alliant Energy PEG ratio formula)?

To calculate the PEG ratio, take the company's PE ratio and divide by its earnings per share growth (YoY TTM). As of Jun 22, 2026, Alliant Energy has a PE ratio of 22.95. Earnings grew at 10.0% over the TTM period ending Mar 2026. Applying the formula, this gives a PEG ratio of 2.3. PEG RATIO(2.3) = PE RATIO(22.95) / EPS GROWTH(10.0%)

All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.