Stocks / AEP vs CMS

AEP vs CMS: Which Stock Is the Better Buy?

American Electric Power Company, Inc. and CMS Energy Corporation side by side — fundamentals from SEC filings, refreshed nightly. Sector: Utilities.

AEP is the larger company ($69.6B vs $22.6B). On the fundamentals, CMS grows revenue faster (5.9% vs 3.8%); AEP earns a higher net margin (16.4% vs 12.4%); CMS trades cheaper on earnings (21.6× vs 22.2×). On the filings, AEP carries fewer potential red flags (0 vs 1). Full numbers below — the stronger figure on each row is in green.

AI verdict — AEP vs CMS, 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.

 American Electric Power Company, Inc. (AEP)CMS Energy Corporation (CMS)
Market cap$69.6B$22.6B
Revenue (latest FY)$21.88B$8.54B
Net income (latest FY)$3.58B$1.06B
Revenue growth (5y CAGR)3.8%5.9%
Net margin16.4%12.4%
Return on equity11.6%
P/E ratio22.221.6
Dividend yield3.0%3.2%
Profitable years (of last 10)410
Positive free cash flow

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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 AEP vs CMS 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 AEP's full financials →   Open CMS's full financials →

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Frequently asked questions

Which is bigger, AEP or CMS?

American Electric Power Company, Inc. is larger by market capitalization — $69.6B versus $22.6B.

Which grows faster, AEP or CMS?

Over the last five fiscal years, CMS Energy Corporation grew revenue faster — 5.9%/yr versus 3.8%/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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AEP fundamentals → · CMS fundamentals → · All 1,500+ companies → · Free screener →