The short version

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

  • Sempra Energy is the larger company, worth $52.3B, about 13.5 times Algonquin Power & Utilities.
  • Algonquin Power & Utilities grew revenue faster over the last year (+4.9% vs -3.9%).
  • On earnings, Algonquin Power & Utilities is the cheaper stock (23.2x vs 27.2x).

Side by side

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

MeasureAQNSRE
Market cap$3.9B$52.3B
Share price$5.11$81.34
Revenue (last fiscal year)$2.4B$13.7B
Free cash flow (last fiscal year)-$178M-$6.0B
Revenue growth, last year+4.9%-3.9%
Revenue growth per year, last 5 fiscal years+1.7%+1.6%
Operating margin20.7%—
Net margin7.4%14.4%
Return on equity3.9%6.1%
P/E (trailing)23.2x27.2x
Price / free cash flow——
EV / EBITDA12.2x16.3x
FCF growth the price implies——
Dividend yield5.2%3.2%
Debt / equity1.83x2.30x
Fundamental gradeDD
Superinvestors holding it44
Insider purchases, last 12 months05

Results from SEC filings

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

Algonquin Power & Utilities

YearRevenueFree cash flowOp. margin
2021$2.3B-$1.2B18.2%
2022$2.8B-$470M14.5%
2023$2.4B-$398M19.4%
2024$2.3B-$391M19.2%
2025$2.4B-$178M20.7%

Sempra Energy

YearRevenueFree cash flowOp. margin
2021$12.9B-$1.2B—
2022$14.4B-$4.2B—
2023$16.7B-$2.2B—
2024$13.2B-$3.3B—
2025$13.7B-$6.0B—

Where the revenue comes from

Algonquin Power & Utilities · by segments, 2020

Regulated Services Group$1.4B84%
Renewable Energy Group$270M16%
Corporate$2M0%

Sempra Energy · by segments, 2025

Sempra California$11.5B92%
Sempra Infrastructure$1.1B8%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open AQN in Investingly

Questions

Which is bigger, Algonquin Power & Utilities or Sempra Energy?

Sempra Energy (SRE), at $52.3B against $3.9B.

Is AQN or SRE cheaper?

By trailing P/E, Algonquin Power & Utilities (23.2x) is cheaper than Sempra Energy (27.2x). A lower multiple can also mean the market expects less growth.

Which grows faster, AQN or SRE?

Algonquin Power & Utilities: revenue grew +4.9% over the last year, against -3.9%.

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