The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Southern is the larger company, worth $98.2B, about 2.1 times Xcel Energy.
  • Southern grew revenue faster over the last year (+8.0% vs -5.1%).
  • Southern keeps more of each dollar of revenue as operating profit (24.2% vs 19.1%).
  • On earnings, Xcel Energy is the cheaper stock (21.2x vs 22.3x).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureSOXEL
Market cap$98.2B$46.0B
Share price$86.17$73.78
Revenue (last fiscal year)$29.6B$14.7B
Free cash flow (last fiscal year)-$2.9B-$6.8B
Revenue growth, last year+8.0%-5.1%
Revenue growth per year, last 5 fiscal years+6.3%+2.2%
Operating margin24.2%19.1%
Net margin14.5%15.3%
Return on equity10.9%9.3%
P/E (trailing)22.3x21.2x
Price / free cash flow—8.75x
EV / EBITDA11.8x12.7x
FCF growth the price implies——
Dividend yield3.4%3.2%
Debt / equity2.93x2.62x
Fundamental gradeDD
Superinvestors holding it55
Insider purchases, last 12 months24

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Southern

YearRevenueFree cash flowOp. margin
2021$23.1B-$1.4B16.0%
2022$29.3B-$1.6B18.3%
2023$25.3B-$1.5B23.1%
2024$26.7B$833M26.4%
2025$29.6B-$2.9B24.7%

Xcel Energy

YearRevenueFree cash flowOp. margin
2021$13.4B-$2.1B16.4%
2022$15.3B-$706M15.9%
2023$14.2B-$527M17.5%
2024$13.4B-$2.7B17.8%
2025$14.7B-$6.8B17.6%

Where the revenue comes from

Southern · by segments, 2025

Traditional Electric Operating Companies$22.1B75%
Southern Company Gas$5.0B17%
Southern Power$2.2B8%

Xcel Energy · by segments, 2018

Regulated Electric$9.7B84%
Regulated Natural Gas$1.7B15%
All Other$79M1%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open SO in Investingly

Questions

Which is bigger, Southern or Xcel Energy?

Southern (SO), at $98.2B against $46.0B.

Is SO or XEL cheaper?

By trailing P/E, Xcel Energy (21.2x) is cheaper than Southern (22.3x). A lower multiple can also mean the market expects less growth.

Which grows faster, SO or XEL?

Southern: revenue grew +8.0% over the last year, against -5.1%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.