Is ATO or LNT cheaper?

On trailing earnings, ATO is cheaper: ATO trades at a 20.91 P/E and LNT at 22.92.

Which has grown faster, ATO or LNT?

Over the past five years, ATO grew revenue faster — ATO at a 8.80% CAGR versus LNT at 5.38%.

Does ATO or LNT pay a bigger dividend?

ATO yields 2.28% and LNT yields 2.85% based on trailing dividends and the latest price.

Is ATO or LNT more profitable?

ATO runs the higher net margin — ATO at 27.58% versus LNT at 18.58%.

Which has been the better investment, ATO or LNT?

Over the past 10-year, ATO delivered the higher annualized total return — ATO at 10.97% versus LNT at 9.86%. Past performance doesn't predict future results.

Atmos Energy Corporation (ATO) vs Alliant Energy Corporation (LNT)

ATO leads on 11 of 15 compared metrics.

A side-by-side comparison of Atmos Energy Corporation and Alliant Energy Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 13, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

ATO

Atmos Energy Corporation

$28.37B

$169.96Utilities

LNT

Alliant Energy Corporation

$18.88B

$73.11Utilities

Total return — ATO vs LNT

growth of $100 · last 30y

ATO +597.1%LNT +385.5%ATO compounded faster

ATO LNT

ATO vs LNT: by the numbers

•ATO is the larger company ($28.37B vs $18.88B market cap).
•ATO trades at the lower earnings multiple (20.91 vs 22.92 P/E).
•ATO converts more revenue to profit (27.58% vs 18.58% net margin).
•ATO grew revenue faster over the past five years (8.80% vs 5.38% CAGR).
•LNT pays the higher dividend yield (2.85% vs 2.28%).

Which is better, ATO or LNT?

Metric tally: ATO 11 · LNT 4

It depends on what you're optimizing for:

ValueATO(lower P/E)

GrowthATO(faster 5Y revenue CAGR)

IncomeLNT(higher dividend yield)

QualityATO(higher ROIC)

Valuation

Metric	ATO	LNT
P/E ratio	20.91●	22.92
Forward P/E	18.97●	19.85
P/S ratio	5.84	4.28●
P/B ratio	1.91●	2.55
PEG ratio	2.18	1.21●
EV / EBITDA	14.73	14.94

Profitability

Metric	ATO	LNT
Gross margin	51.43%●	37.97%
Operating margin	35.87%●	23.01%
Net margin	27.58%●	18.58%
ROE	9.03%	11.06%●
ROIC	4.58%●	4.12%

Dividends

Metric	ATO	LNT
Dividend yield	2.28%	2.85%●
Payout ratio	51.33%	66.19%

Growth (annualized)

Metric	ATO	LNT
Revenue CAGR (5Y)	8.80%●	5.38%
EPS CAGR (5Y)	9.05%●	4.98%
FCF CAGR (5Y)	19.32%●	15.57%
Total return CAGR (5Y)	13.57%●	7.95%

Frequently asked

Which is better, ATO or LNT?: It depends on your goal. value: ATO (lower P/E); growth: ATO (faster 5Y revenue CAGR); income: LNT (higher dividend yield); quality: ATO (higher ROIC). Across all compared metrics, ATO leads 11 to 4.
Is ATO or LNT cheaper?: On trailing earnings, ATO is cheaper: ATO trades at a 20.91 P/E and LNT at 22.92.
Which has grown faster, ATO or LNT?: Over the past five years, ATO grew revenue faster — ATO at a 8.80% CAGR versus LNT at 5.38%.
Does ATO or LNT pay a bigger dividend?: ATO yields 2.28% and LNT yields 2.85% based on trailing dividends and the latest price.
Is ATO or LNT more profitable?: ATO runs the higher net margin — ATO at 27.58% versus LNT at 18.58%.
Which has been the better investment, ATO or LNT?: Over the past 10-year, ATO delivered the higher annualized total return — ATO at 10.97% versus LNT at 9.86%. Past performance doesn't predict future results.

Go deeper

Full ATO analysis Full LNT analysis Interactive comparison tool

Dig into the metrics

Atmos Energy P/E ratio Alliant Energy P/E ratio Atmos Energy dividend yield Alliant Energy dividend yield Atmos Energy ROE Alliant Energy ROE Atmos Energy operating margin Alliant Energy operating margin Atmos Energy revenue growth Alliant Energy revenue growth Atmos Energy free cash flow Alliant Energy free cash flow

Atmos Energy & Alliant Energy appear in these rankings

Highest Dividend Yield Stocks Dividend Aristocrats Highest Operating Margin Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified June 13, 2026.