Stocks / ATO vs NRG

ATO vs NRG: Which Stock Is the Better Buy?

Atmos Energy Corporation and NRG Energy, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Utilities.

On the fundamentals, NRG grows revenue faster (27.6% vs 10.8%); ATO earns a higher net margin (25.5% vs 2.8%); NRG has the stronger return on equity (51.4% vs 8.8%). Both carry 1 potential red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — ATO vs NRG, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Atmos Energy Corporation (ATO)NRG Energy, Inc. (NRG)
Market cap$28.8B
Revenue (latest FY)$4.70B$30.71B
Net income (latest FY)$1.20B$864.00M
Revenue growth (5y CAGR)10.8%27.6%
Net margin25.5%2.8%
Return on equity8.8%51.4%
P/E ratio21.3147.6
Dividend yield2.3%1.4%
Profitable years (of last 10)107
Positive free cash flowNoYes

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Use the filing period and source shown by each tool before treating two figures as comparable.

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See the full ATO vs NRG breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open ATO's full financials →   Open NRG's full financials →

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Frequently asked questions

Which is bigger, ATO or NRG?

Market capitalization data is not available for both companies.

Which grows faster, ATO or NRG?

Over the last five fiscal years, NRG Energy, Inc. grew revenue faster — 27.6%/yr versus 10.8%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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