United States

Top 36 largest US Companies in the Utilities—Regulated Electric industry by Market Cap

This is the list of the largest public listed companies in the Utilities—Regulated Electric industry from the United States by market capitalization with links to their reference stock.

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Top Utilities—Regulated Electric Companies from the United States as of Jan. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 NextEra Energy, Inc. $142.36 B United States US Utilities US Utilities—Regulated Electric
2 The Southern Company $90.13 B United States US Utilities US Utilities—Regulated Electric
3 Duke Energy Corporation $84.46 B United States US Utilities US Utilities—Regulated Electric
4 American Electric Power Company, Inc. $51.91 B United States US Utilities US Utilities—Regulated Electric
5 Xcel Energy Inc. $37.93 B United States US Utilities US Utilities—Regulated Electric
6 PG&E Corporation $35.62 B United States US Utilities US Utilities—Regulated Electric
7 Consolidated Edison, Inc. $31.44 B United States US Utilities US Utilities—Regulated Electric
8 WEC Energy Group, Inc. $30.78 B United States US Utilities US Utilities—Regulated Electric
9 Ameren Corporation $24.91 B United States US Utilities US Utilities—Regulated Electric
10 DTE Energy Company $24.75 B United States US Utilities US Utilities—Regulated Electric
11 PPL Corporation $24.16 B United States US Utilities US Utilities—Regulated Electric
12 Edison International $22.18 B United States US Utilities US Utilities—Regulated Electric
13 Eversource Energy $20.60 B United States US Utilities US Utilities—Regulated Electric
14 CMS Energy Corporation $19.68 B United States US Utilities US Utilities—Regulated Electric
15 Alliant Energy Corporation $15.06 B United States US Utilities US Utilities—Regulated Electric
16 Evergy, Inc. $14.50 B United States US Utilities US Utilities—Regulated Electric
17 Avangrid, Inc. $13.94 B

(Dec. 1, 2024)

 United States US Utilities US Utilities—Regulated Electric
18 Pinnacle West Capital Corporation $9.71 B United States US Utilities US Utilities—Regulated Electric
19 OGE Energy Corp. $8.66 B United States US Utilities US Utilities—Regulated Electric
20 Union Electric Co. $6.43 B United States US Utilities US Utilities—Regulated Electric
21 IDACORP, Inc. $5.78 B United States US Utilities US Utilities—Regulated Electric
22 Portland General Electric Company $4.35 B United States US Utilities US Utilities—Regulated Electric
23 PNM Resources, Inc. $3.77 B United States US Utilities US Utilities—Regulated Electric
24 Alabama Power Co. $3.21 B

(June 1, 2022)

 United States US Utilities US Utilities—Regulated Electric
25 Ameren Illinois Company $1.68 B United States US Utilities US Utilities—Regulated Electric
26 Hawaiian Electric Industries, Inc. $1.57 B United States US Utilities US Utilities—Regulated Electric
27 Spark Energy, Inc. $404.5 M

(Sept. 1, 2021)

 United States US Utilities US Utilities—Regulated Electric
28 Genie Energy Ltd. $386.2 M United States US Utilities US Utilities—Regulated Electric
29 Interstate Power & Light Co $334.0 M

(Dec. 1, 2021)

 United States US Utilities US Utilities—Regulated Electric
30 Connecticut Light & Power Co. (The) $193.1 M United States US Utilities US Utilities—Regulated Electric

Top Utilities—Regulated Electric Companies from the United States as of Jan. 01, 2025

1. NextEra Energy

Company Profile: NextEra Energy, Inc.
Market Cap (USD): $142.36 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

2. The Southern Company

Company Profile: The Southern Company
Market Cap (USD): $90.13 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

3. Duke Energy Corporation

Company Profile: Duke Energy Corporation
Market Cap (USD): $84.46 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

4. American Electric Power Company, Inc.

Company Profile: American Electric Power Company, Inc.
Market Cap (USD): $51.91 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

5. Xcel Energy Inc.

Company Profile: Xcel Energy Inc.
Market Cap (USD): $37.93 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

6. PG&E Corporation

Company Profile: PG&E Corporation
Market Cap (USD): $35.62 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

7. Consolidated Edison, Inc.

Company Profile: Consolidated Edison, Inc.
Market Cap (USD): $31.44 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

8. WEC Energy Group, Inc.

Company Profile: WEC Energy Group, Inc.
Market Cap (USD): $30.78 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

9. Ameren Corporation

Company Profile: Ameren Corporation
Market Cap (USD): $24.91 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

10. DTE Energy Company

Company Profile: DTE Energy Company
Market Cap (USD): $24.75 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

11. PPL Corporation

Company Profile: PPL Corporation
Market Cap (USD): $24.16 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

12. Edison International

Company Profile: Edison International
Market Cap (USD): $22.18 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

13. Eversource Energy

Company Profile: Eversource Energy
Market Cap (USD): $20.60 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

14. CMS Energy Corporation

Company Profile: CMS Energy Corporation
Market Cap (USD): $19.68 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

15. Alliant Energy Corporation

Company Profile: Alliant Energy Corporation
Market Cap (USD): $15.06 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

16. Evergy, Inc.

Company Profile: Evergy, Inc.
Market Cap (USD): $14.50 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

17. Avangrid, Inc.

Company Profile: Avangrid, Inc.
Market Cap (USD): $13.94 B (Dec. 1, 2024)
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

18. Pinnacle West Capital Corporation

Company Profile: Pinnacle West Capital Corporation
Market Cap (USD): $9.71 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

19. OGE Energy Corp.

Company Profile: OGE Energy Corp.
Market Cap (USD): $8.66 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

20. Union Electric Co.

Company Profile: Union Electric Co.
Market Cap (USD): $6.43 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

21. IDACORP, Inc.

Company Profile: IDACORP, Inc.
Market Cap (USD): $5.78 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

22. Portland General Electric Company

Company Profile: Portland General Electric Company
Market Cap (USD): $4.35 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

23. PNM Resources, Inc.

Company Profile: PNM Resources, Inc.
Market Cap (USD): $3.77 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

24. Alabama Power Co.

Company Profile: Alabama Power Co.
Market Cap (USD): $3.21 B (June 1, 2022)
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

25. Ameren Illinois Company

Company Profile: Ameren Illinois Company
Market Cap (USD): $1.68 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

26. Hawaiian Electric Industries, Inc.

Company Profile: Hawaiian Electric Industries, Inc.
Market Cap (USD): $1.57 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

27. Spark Energy, Inc.

Company Profile: Spark Energy, Inc.
Market Cap (USD): $404.5 M (Sept. 1, 2021)
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

28. Genie Energy Ltd.

Company Profile: Genie Energy Ltd.
Market Cap (USD): $386.2 M
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

29. Interstate Power & Light Co

Company Profile: Interstate Power & Light Co
Market Cap (USD): $334.0 M (Dec. 1, 2021)
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

30. Connecticut Light & Power Co. (The)

Company Profile: Connecticut Light & Power Co. (The)
Market Cap (USD): $193.1 M
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

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