United States

Top 129 largest US Companies in the Utilities sector by Market Cap

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

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Top Utilities Companies from the United States as of Jan. 01, 2024

Rank Company Market Cap (USD) Country Sector Industry
1 NextEra Energy, Inc. $127.19 B United States Utilities Utilities—Regulated Electric
2 The Southern Company $78.21 B United States Utilities Utilities—Regulated Electric
3 Duke Energy Corporation $76.13 B United States Utilities Utilities—Regulated Electric
4 Sempra Energy $47.84 B United States Utilities Utilities—Diversified
5 Sempra $46.56 B

(July 1, 2023)

 United States Utilities Utilities—Diversified
6 PG&E Corporation $45.71 B United States Utilities Utilities—Regulated Electric
7 American Electric Power Company, Inc. $43.85 B United States Utilities Utilities—Regulated Electric
8 PacifiCorp $42.26 B United States Utilities Utilities—Diversified
9 Dominion Energy, Inc. $40.53 B United States Utilities Utilities—Diversified
10 Constellation Energy Corporation $37.00 B United States Utilities Utilities—Renewable
11 Exelon Corporation $36.01 B United States Utilities Utilities—Diversified
12 Xcel Energy Inc. $35.17 B United States Utilities Utilities—Regulated Electric
13 Consolidated Edison, Inc. $32.19 B United States Utilities Utilities—Regulated Electric
14 Public Service Enterprise Group Incorporated $30.80 B United States Utilities Utilities—Diversified
15 Edison International $27.73 B United States Utilities Utilities—Regulated Electric
16 WEC Energy Group, Inc. $27.32 B United States Utilities Utilities—Regulated Electric
17 American Water Works Company, Inc. $26.00 B United States Utilities Utilities—Regulated Water
18 DTE Energy Company $22.89 B United States Utilities Utilities—Regulated Electric
19 Eversource Energy $22.46 B United States Utilities Utilities—Regulated Electric
20 Entergy Corporation $21.80 B United States Utilities Utilities—Diversified
21 FirstEnergy Corp. $21.68 B United States Utilities Utilities—Diversified
22 PPL Corporation $20.39 B United States Utilities Utilities—Regulated Electric
23 Ameren Corporation $19.43 B United States Utilities Utilities—Regulated Electric
24 CenterPoint Energy, Inc. $18.39 B United States Utilities Utilities—Regulated Gas
25 Atmos Energy Corporation $17.80 B United States Utilities Utilities—Regulated Gas
26 CMS Energy Corporation $17.32 B United States Utilities Utilities—Regulated Electric
27 Vistra Corp. $13.73 B United States Utilities Utilities—Independent Power Producers
28 Alliant Energy Corporation $13.25 B United States Utilities Utilities—Regulated Electric
29 Avangrid, Inc. $13.01 B United States Utilities Utilities—Regulated Electric
30 The AES Corporation $12.68 B United States Utilities Utilities—Diversified

Top Utilities Companies from the United States as of Jan. 01, 2024

1. NextEra Energy

Company Profile: NextEra Energy, Inc.
Market Cap (USD): $127.19 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

2. The Southern Company

Company Profile: The Southern Company
Market Cap (USD): $78.21 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

3. Duke Energy Corporation

Company Profile: Duke Energy Corporation
Market Cap (USD): $76.13 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

4. Sempra Energy

Company Profile: Sempra Energy
Market Cap (USD): $47.84 B
Country: United States
Sector: Utilities
Industry: Utilities—Diversified

5. Sempra

Company Profile: Sempra
Market Cap (USD): $46.56 B (July 1, 2023)
Country: United States
Sector: Utilities
Industry: Utilities—Diversified

6. PG&E Corporation

Company Profile: PG&E Corporation
Market Cap (USD): $45.71 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

7. American Electric Power Company, Inc.

Company Profile: American Electric Power Company, Inc.
Market Cap (USD): $43.85 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

8. PacifiCorp

Company Profile: PacifiCorp
Market Cap (USD): $42.26 B
Country: United States
Sector: Utilities
Industry: Utilities—Diversified

9. Dominion Energy, Inc.

Company Profile: Dominion Energy, Inc.
Market Cap (USD): $40.53 B
Country: United States
Sector: Utilities
Industry: Utilities—Diversified

10. Constellation Energy

Company Profile: Constellation Energy Corporation
Market Cap (USD): $37.00 B
Country: United States
Sector: Utilities
Industry: Utilities—Renewable

11. Exelon Corporation

Company Profile: Exelon Corporation
Market Cap (USD): $36.01 B
Country: United States
Sector: Utilities
Industry: Utilities—Diversified

12. Xcel Energy Inc.

Company Profile: Xcel Energy Inc.
Market Cap (USD): $35.17 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

13. Consolidated Edison, Inc.

Company Profile: Consolidated Edison, Inc.
Market Cap (USD): $32.19 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

14. Public Service Enterprise Group Incorporated

Company Profile: Public Service Enterprise Group Incorporated
Market Cap (USD): $30.80 B
Country: United States
Sector: Utilities
Industry: Utilities—Diversified

15. Edison International

Company Profile: Edison International
Market Cap (USD): $27.73 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

16. WEC Energy Group, Inc.

Company Profile: WEC Energy Group, Inc.
Market Cap (USD): $27.32 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

17. American Water Works Company, Inc.

Company Profile: American Water Works Company, Inc.
Market Cap (USD): $26.00 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Water

18. DTE Energy Company

Company Profile: DTE Energy Company
Market Cap (USD): $22.89 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

19. Eversource Energy

Company Profile: Eversource Energy
Market Cap (USD): $22.46 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

20. Entergy Corporation

Company Profile: Entergy Corporation
Market Cap (USD): $21.80 B
Country: United States
Sector: Utilities
Industry: Utilities—Diversified

21. FirstEnergy Corp.

Company Profile: FirstEnergy Corp.
Market Cap (USD): $21.68 B
Country: United States
Sector: Utilities
Industry: Utilities—Diversified

22. PPL Corporation

Company Profile: PPL Corporation
Market Cap (USD): $20.39 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

23. Ameren Corporation

Company Profile: Ameren Corporation
Market Cap (USD): $19.43 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

24. CenterPoint Energy, Inc.

Company Profile: CenterPoint Energy, Inc.
Market Cap (USD): $18.39 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Gas

25. Atmos Energy Corporation

Company Profile: Atmos Energy Corporation
Market Cap (USD): $17.80 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Gas

26. CMS Energy Corporation

Company Profile: CMS Energy Corporation
Market Cap (USD): $17.32 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

27. Vistra Corp.

Company Profile: Vistra Corp.
Market Cap (USD): $13.73 B
Country: United States
Sector: Utilities
Industry: Utilities—Independent Power Producers

28. Alliant Energy Corporation

Company Profile: Alliant Energy Corporation
Market Cap (USD): $13.25 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

29. Avangrid, Inc.

Company Profile: Avangrid, Inc.
Market Cap (USD): $13.01 B
Country: United States
Sector: Utilities
Industry: Utilities—Regulated Electric

30. The AES Corporation

Company Profile: The AES Corporation
Market Cap (USD): $12.68 B
Country: United States
Sector: Utilities
Industry: Utilities—Diversified

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