Is ATO or WEC cheaper?

On trailing earnings, ATO is cheaper: ATO trades at a 20.91 P/E and WEC at 22.64.

Which has grown faster, ATO or WEC?

Over the past five years, ATO grew revenue faster — ATO at a 8.80% CAGR versus WEC at 5.21%.

Does ATO or WEC pay a bigger dividend?

ATO yields 2.28% and WEC yields 3.25% based on trailing dividends and the latest price.

Is ATO or WEC more profitable?

ATO runs the higher net margin — ATO at 27.58% versus WEC at 16.25%.

Which has been the better investment, ATO or WEC?

Over the past 10-year, ATO delivered the higher annualized total return — ATO at 10.97% versus WEC at 9.61%. Past performance doesn't predict future results.

Atmos Energy Corporation (ATO) vs WEC Energy Group, Inc. (WEC)

ATO leads on 9 of 15 compared metrics.

A side-by-side comparison of Atmos Energy Corporation and WEC Energy Group, Inc. 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

WEC

WEC Energy Group, Inc.

$36.95B

$113.44Utilities

Total return — ATO vs WEC

growth of $100 · last 30y

ATO +597.1%WEC +728.6%WEC compounded faster

ATO WEC

ATO vs WEC: by the numbers

•WEC is the larger company ($36.95B vs $28.37B market cap).
•ATO trades at the lower earnings multiple (20.91 vs 22.64 P/E).
•ATO converts more revenue to profit (27.58% vs 16.25% net margin).
•ATO grew revenue faster over the past five years (8.80% vs 5.21% CAGR).
•WEC pays the higher dividend yield (3.25% vs 2.28%).

Which is better, ATO or WEC?

Metric tally: ATO 9 · WEC 6

It depends on what you're optimizing for:

ValueATO(lower P/E)

GrowthATO(faster 5Y revenue CAGR)

IncomeWEC(higher dividend yield)

QualityWEC(higher ROIC)

Valuation

Metric	ATO	WEC
P/E ratio	20.91●	22.64
Forward P/E	18.97	18.90
P/S ratio	5.84	3.69●
P/B ratio	1.91●	2.63
PEG ratio	2.18●	21.18
EV / EBITDA	14.73	14.36●

Profitability

Metric	ATO	WEC
Gross margin	51.43%	55.74%●
Operating margin	35.87%●	23.97%
Net margin	27.58%●	16.25%
ROE	9.03%	11.57%●
ROIC	4.58%	5.25%●

Dividends

Metric	ATO	WEC
Dividend yield	2.28%	3.25%●
Payout ratio	51.33%	75.93%

Growth (annualized)

Metric	ATO	WEC
Revenue CAGR (5Y)	8.80%●	5.21%
EPS CAGR (5Y)	9.05%●	5.04%
FCF CAGR (5Y)	19.32%●	11.42%
Total return CAGR (5Y)	13.57%●	7.64%

Frequently asked

Which is better, ATO or WEC?: It depends on your goal. value: ATO (lower P/E); growth: ATO (faster 5Y revenue CAGR); income: WEC (higher dividend yield); quality: WEC (higher ROIC). Across all compared metrics, ATO leads 9 to 6.
Is ATO or WEC cheaper?: On trailing earnings, ATO is cheaper: ATO trades at a 20.91 P/E and WEC at 22.64.
Which has grown faster, ATO or WEC?: Over the past five years, ATO grew revenue faster — ATO at a 8.80% CAGR versus WEC at 5.21%.
Does ATO or WEC pay a bigger dividend?: ATO yields 2.28% and WEC yields 3.25% based on trailing dividends and the latest price.
Is ATO or WEC more profitable?: ATO runs the higher net margin — ATO at 27.58% versus WEC at 16.25%.
Which has been the better investment, ATO or WEC?: Over the past 10-year, ATO delivered the higher annualized total return — ATO at 10.97% versus WEC at 9.61%. Past performance doesn't predict future results.

Go deeper

Full ATO analysis Full WEC analysis Interactive comparison tool

Dig into the metrics

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

Atmos Energy & WEC 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.