United States

Top 110 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 Jul. 01, 2024

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Rank Company Market Cap (USD) Country Sector Industry
1 NextEra Energy, Inc. $147.58 B United States US Utilities US Utilities—Regulated Electric
2 The Southern Company $84.98 B United States US Utilities US Utilities—Regulated Electric
3 Duke Energy Corporation $77.61 B United States US Utilities US Utilities—Regulated Electric
4 Constellation Energy Corporation $66.61 B United States US Utilities US Utilities—Renewable
5 Sempra Energy $47.57 B United States US Utilities US Utilities—Diversified
6 Sempra $46.56 B

(July 1, 2023)

 United States US Utilities US Utilities—Diversified
7 American Electric Power Company, Inc. $46.31 B United States US Utilities US Utilities—Regulated Electric
8 PG&E Corporation $44.66 B United States US Utilities US Utilities—Regulated Electric
9 Dominion Energy, Inc. $41.16 B United States US Utilities US Utilities—Diversified
10 PacifiCorp $39.28 B United States US Utilities US Utilities—Diversified
11 Public Service Enterprise Group Incorporated $36.85 B United States US Utilities US Utilities—Diversified
12 Exelon Corporation $34.31 B United States US Utilities US Utilities—Diversified
13 Vistra Corp. $31.87 B United States US Utilities US Utilities—Independent Power Producers
14 Consolidated Edison, Inc. $30.87 B United States US Utilities US Utilities—Regulated Electric
15 Xcel Energy Inc. $29.31 B United States US Utilities US Utilities—Regulated Electric
16 Edison International $27.86 B United States US Utilities US Utilities—Regulated Electric
17 American Water Works Company, Inc. $25.33 B United States US Utilities US Utilities—Regulated Water
18 WEC Energy Group, Inc. $24.60 B United States US Utilities US Utilities—Regulated Electric
19 DTE Energy Company $22.72 B United States US Utilities US Utilities—Regulated Electric
20 Entergy Corporation $22.50 B United States US Utilities US Utilities—Diversified
21 FirstEnergy Corp. $22.20 B United States US Utilities US Utilities—Diversified
22 PPL Corporation $20.31 B United States US Utilities US Utilities—Regulated Electric
23 Eversource Energy $20.17 B United States US Utilities US Utilities—Regulated Electric
24 CenterPoint Energy, Inc. $19.51 B United States US Utilities US Utilities—Regulated Gas
25 Ameren Corporation $18.79 B United States US Utilities US Utilities—Regulated Electric
26 CMS Energy Corporation $17.60 B United States US Utilities US Utilities—Regulated Electric
27 Atmos Energy Corporation $17.29 B United States US Utilities US Utilities—Regulated Gas
28 NRG Energy, Inc. $16.56 B United States US Utilities US Utilities—Independent Power Producers
29 Avangrid, Inc. $13.68 B United States US Utilities US Utilities—Regulated Electric
30 Alliant Energy Corporation $13.03 B United States US Utilities US Utilities—Regulated Electric

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

1. NextEra Energy

Company Profile: NextEra Energy, Inc.
Market Cap (USD): $147.58 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

2. The Southern Company

Company Profile: The Southern Company
Market Cap (USD): $84.98 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

3. Duke Energy Corporation

Company Profile: Duke Energy Corporation
Market Cap (USD): $77.61 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

4. Constellation Energy

Company Profile: Constellation Energy Corporation
Market Cap (USD): $66.61 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Renewable

5. Sempra Energy

Company Profile: Sempra Energy
Market Cap (USD): $47.57 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

6. Sempra

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

7. American Electric Power Company, Inc.

Company Profile: American Electric Power Company, Inc.
Market Cap (USD): $46.31 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

8. PG&E Corporation

Company Profile: PG&E Corporation
Market Cap (USD): $44.66 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

9. Dominion Energy, Inc.

Company Profile: Dominion Energy, Inc.
Market Cap (USD): $41.16 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

10. PacifiCorp

Company Profile: PacifiCorp
Market Cap (USD): $39.28 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

11. Public Service Enterprise Group Incorporated

Company Profile: Public Service Enterprise Group Incorporated
Market Cap (USD): $36.85 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

12. Exelon Corporation

Company Profile: Exelon Corporation
Market Cap (USD): $34.31 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

13. Vistra Corp.

Company Profile: Vistra Corp.
Market Cap (USD): $31.87 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Independent Power Producers

14. Consolidated Edison, Inc.

Company Profile: Consolidated Edison, Inc.
Market Cap (USD): $30.87 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

15. Xcel Energy Inc.

Company Profile: Xcel Energy Inc.
Market Cap (USD): $29.31 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

16. Edison International

Company Profile: Edison International
Market Cap (USD): $27.86 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

17. American Water Works Company, Inc.

Company Profile: American Water Works Company, Inc.
Market Cap (USD): $25.33 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Water

18. WEC Energy Group, Inc.

Company Profile: WEC Energy Group, Inc.
Market Cap (USD): $24.60 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

19. DTE Energy Company

Company Profile: DTE Energy Company
Market Cap (USD): $22.72 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

20. Entergy Corporation

Company Profile: Entergy Corporation
Market Cap (USD): $22.50 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

21. FirstEnergy Corp.

Company Profile: FirstEnergy Corp.
Market Cap (USD): $22.20 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

22. PPL Corporation

Company Profile: PPL Corporation
Market Cap (USD): $20.31 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

23. Eversource Energy

Company Profile: Eversource Energy
Market Cap (USD): $20.17 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

24. CenterPoint Energy, Inc.

Company Profile: CenterPoint Energy, Inc.
Market Cap (USD): $19.51 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

25. Ameren Corporation

Company Profile: Ameren Corporation
Market Cap (USD): $18.79 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

26. CMS Energy Corporation

Company Profile: CMS Energy Corporation
Market Cap (USD): $17.60 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

27. Atmos Energy Corporation

Company Profile: Atmos Energy Corporation
Market Cap (USD): $17.29 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

28. NRG Energy, Inc.

Company Profile: NRG Energy, Inc.
Market Cap (USD): $16.56 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Independent Power Producers

29. Avangrid, Inc.

Company Profile: Avangrid, Inc.
Market Cap (USD): $13.68 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

30. Alliant Energy Corporation

Company Profile: Alliant Energy Corporation
Market Cap (USD): $13.03 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

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