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 Jul. 01, 2023

Ranking Company Market Cap (USD) Stock Country Sector Industry
1 NextEra Energy, Inc. $146.07 B NEE United States Utilities Utilities—Regulated Electric
2 The Southern Company $77.43 B SO United States Utilities Utilities—Regulated Electric
3 Duke Energy Corporation $70.04 B DUK United States Utilities Utilities—Regulated Electric
4 Sempra Energy $47.46 B SRE United States Utilities Utilities—Diversified
5 Sempra $46.56 B SE4 United States Utilities Utilities—Diversified
6 PacifiCorp $44.59 B PPWLM United States Utilities Utilities—Diversified
7 Dominion Energy, Inc. $44.40 B D United States Utilities Utilities—Diversified
8 American Electric Power Company, Inc. $44.29 B AEP United States Utilities Utilities—Regulated Electric
9 PG&E Corporation $41.59 B PCG United States Utilities Utilities—Regulated Electric
10 Exelon Corporation $41.49 B EXC United States Utilities Utilities—Diversified
11 Xcel Energy Inc. $34.67 B XEL United States Utilities Utilities—Regulated Electric
12 Public Service Enterprise Group Incorporated $32.17 B PEG United States Utilities Utilities—Diversified
13 Consolidated Edison, Inc. $32.07 B ED United States Utilities Utilities—Regulated Electric
14 Constellation Energy Corporation $30.61 B CEG United States Utilities Utilities—Renewable
15 WEC Energy Group, Inc. $29.03 B WEC United States Utilities Utilities—Regulated Electric
16 American Water Works Company, Inc. $27.75 B AWK United States Utilities Utilities—Regulated Water
17 Edison International $26.98 B EIX United States Utilities Utilities—Regulated Electric
18 Eversource Energy $25.62 B ES United States Utilities Utilities—Regulated Electric
19 DTE Energy Company $22.84 B DTE United States Utilities Utilities—Regulated Electric
20 FirstEnergy Corp. $22.80 B FE United States Utilities Utilities—Diversified
21 Ameren Corporation $21.91 B AEE United States Utilities Utilities—Regulated Electric
22 Entergy Corporation $21.06 B ETR United States Utilities Utilities—Diversified
23 PPL Corporation $19.90 B PPL United States Utilities Utilities—Regulated Electric
24 CenterPoint Energy, Inc. $18.87 B CNP United States Utilities Utilities—Regulated Gas
25 CMS Energy Corporation $17.42 B CMS United States Utilities Utilities—Regulated Electric
26 Atmos Energy Corporation $17.39 B ATO United States Utilities Utilities—Regulated Gas
27 Avangrid, Inc. $14.40 B AGR United States Utilities Utilities—Regulated Electric
28 The AES Corporation $14.32 B AES United States Utilities Utilities—Diversified
29 Evergy, Inc. $13.82 B EVRG United States Utilities Utilities—Regulated Electric
30 Alliant Energy Corporation $13.31 B LNT United States Utilities Utilities—Regulated Electric
31 NiSource Inc. $11.54 B NI United States Utilities Utilities—Regulated Gas
32 Essential Utilities, Inc. $10.33 B WTRG United States Utilities Utilities—Regulated Water
33 Vistra Corp. $9.86 B VST United States Utilities Utilities—Independent Power Producers
34 Pinnacle West Capital Corporation $9.51 B PNW United States Utilities Utilities—Regulated Electric
35 NRG Energy, Inc. $8.75 B NRG United States Utilities Utilities—Independent Power Producers
36 Union Electric Co. $7.56 B UELMO United States Utilities Utilities—Regulated Electric
37 OGE Energy Corp. $7.32 B OGE United States Utilities Utilities—Regulated Electric
38 New Fortress Energy Inc. $5.67 B NFE United States Utilities Utilities—Regulated Gas
39 Brookfield Renewable Corporation $5.65 B BEPC United States Utilities Utilities—Renewable
40 Clearway Energy, Inc. $5.60 B CWEN United States Utilities Utilities—Renewable
41 UGI Corporation $5.49 B UGI United States Utilities Utilities—Regulated Gas
42 IDACORP, Inc. $5.20 B IDA United States Utilities Utilities—Regulated Electric
43 NextEra Energy Partners, LP $5.15 B NEP United States Utilities Utilities—Renewable
44 Brookfield Infrastructure Corporation $5.00 B BIPC United States Utilities Utilities—Regulated Gas
45 Ormat Technologies, Inc. $4.89 B ORA United States Utilities Utilities—Renewable
46 Portland General Electric Company $4.62 B POR United States Utilities Utilities—Regulated Electric
47 Southwest Gas Holdings, Inc. $4.62 B SWX United States Utilities Utilities—Regulated Gas
48 New Jersey Resources Corporation $4.47 B NJR United States Utilities Utilities—Regulated Gas
49 ONE Gas, Inc. $4.37 B OGS United States Utilities Utilities—Regulated Gas
50 South Jersey Industries, Inc. $4.33 B

(Jan. 1, 2023)

 SJI United States Utilities Utilities—Diversified

Top Utilities Companies from the United States as of Jul. 01, 2023

1. NextEra Energy

Market Cap (USD): $146.07 B

Stock: NEE

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business NextEra Energy Company Profile

2. The Southern Company

Market Cap (USD): $77.43 B

Stock: SO

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business The Southern Company Company Profile

3. Duke Energy Corporation

Market Cap (USD): $70.04 B

Stock: DUK

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Duke Energy Corporation Company Profile

4. Sempra Energy

Market Cap (USD): $47.46 B

Stock: SRE

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business Sempra Energy Company Profile

5. Sempra

Market Cap (USD): $46.56 B

Stock: SE4

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business Sempra Company Profile

6. PacifiCorp

Market Cap (USD): $44.59 B

Stock: PPWLM

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business PacifiCorp Company Profile

7. Dominion Energy, Inc.

Market Cap (USD): $44.40 B

Stock: D

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business Dominion Energy, Inc. Company Profile

8. American Electric Power Company, Inc.

Market Cap (USD): $44.29 B

Stock: AEP

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business American Electric Power Company, Inc. Company Profile

9. PG&E Corporation

Market Cap (USD): $41.59 B

Stock: PCG

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business PG&E Corporation Company Profile

10. Exelon Corporation

Market Cap (USD): $41.49 B

Stock: EXC

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business Exelon Corporation Company Profile

11. Xcel Energy Inc.

Market Cap (USD): $34.67 B

Stock: XEL

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Xcel Energy Inc. Company Profile

12. Public Service Enterprise Group Incorporated

Market Cap (USD): $32.17 B

Stock: PEG

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business Public Service Enterprise Group Incorporated Company Profile

13. Consolidated Edison, Inc.

Market Cap (USD): $32.07 B

Stock: ED

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Consolidated Edison, Inc. Company Profile

14. Constellation Energy

Market Cap (USD): $30.61 B

Stock: CEG

Country: United States

Sector: Utilities

Industry: Utilities—Renewable

business Constellation Energy Company Profile

15. WEC Energy Group, Inc.

Market Cap (USD): $29.03 B

Stock: WEC

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business WEC Energy Group, Inc. Company Profile

16. American Water Works Company, Inc.

Market Cap (USD): $27.75 B

Stock: AWK

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Water

business American Water Works Company, Inc. Company Profile

17. Edison International

Market Cap (USD): $26.98 B

Stock: EIX

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Edison International Company Profile

18. Eversource Energy

Market Cap (USD): $25.62 B

Stock: ES

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Eversource Energy Company Profile

19. DTE Energy Company

Market Cap (USD): $22.84 B

Stock: DTE

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business DTE Energy Company Company Profile

20. FirstEnergy Corp.

Market Cap (USD): $22.80 B

Stock: FE

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business FirstEnergy Corp. Company Profile

21. Ameren Corporation

Market Cap (USD): $21.91 B

Stock: AEE

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Ameren Corporation Company Profile

22. Entergy Corporation

Market Cap (USD): $21.06 B

Stock: ETR

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business Entergy Corporation Company Profile

23. PPL Corporation

Market Cap (USD): $19.90 B

Stock: PPL

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business PPL Corporation Company Profile

24. CenterPoint Energy, Inc.

Market Cap (USD): $18.87 B

Stock: CNP

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Gas

business CenterPoint Energy, Inc. Company Profile

25. CMS Energy Corporation

Market Cap (USD): $17.42 B

Stock: CMS

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business CMS Energy Corporation Company Profile

26. Atmos Energy Corporation

Market Cap (USD): $17.39 B

Stock: ATO

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Gas

business Atmos Energy Corporation Company Profile

27. Avangrid, Inc.

Market Cap (USD): $14.40 B

Stock: AGR

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Avangrid, Inc. Company Profile

28. The AES Corporation

Market Cap (USD): $14.32 B

Stock: AES

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business The AES Corporation Company Profile

29. Evergy, Inc.

Market Cap (USD): $13.82 B

Stock: EVRG

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Evergy, Inc. Company Profile

30. Alliant Energy Corporation

Market Cap (USD): $13.31 B

Stock: LNT

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Alliant Energy Corporation Company Profile

31. NiSource Inc.

Market Cap (USD): $11.54 B

Stock: NI

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Gas

business NiSource Inc. Company Profile

32. Essential Utilities, Inc.

Market Cap (USD): $10.33 B

Stock: WTRG

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Water

business Essential Utilities, Inc. Company Profile

33. Vistra Corp.

Market Cap (USD): $9.86 B

Stock: VST

Country: United States

Sector: Utilities

Industry: Utilities—Independent Power Producers

business Vistra Corp. Company Profile

34. Pinnacle West Capital Corporation

Market Cap (USD): $9.51 B

Stock: PNW

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Pinnacle West Capital Corporation Company Profile

35. NRG Energy, Inc.

Market Cap (USD): $8.75 B

Stock: NRG

Country: United States

Sector: Utilities

Industry: Utilities—Independent Power Producers

business NRG Energy, Inc. Company Profile

36. Union Electric Co.

Market Cap (USD): $7.56 B

Stock: UELMO

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Union Electric Co. Company Profile

37. OGE Energy Corp.

Market Cap (USD): $7.32 B

Stock: OGE

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business OGE Energy Corp. Company Profile

38. New Fortress Energy Inc.

Market Cap (USD): $5.67 B

Stock: NFE

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Gas

business New Fortress Energy Inc. Company Profile

39. Brookfield Renewable Corporation

Market Cap (USD): $5.65 B

Stock: BEPC

Country: United States

Sector: Utilities

Industry: Utilities—Renewable

business Brookfield Renewable Corporation Company Profile

40. Clearway Energy, Inc.

Market Cap (USD): $5.60 B

Stock: CWEN

Country: United States

Sector: Utilities

Industry: Utilities—Renewable

business Clearway Energy, Inc. Company Profile

41. UGI Corporation

Market Cap (USD): $5.49 B

Stock: UGI

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Gas

business UGI Corporation Company Profile

42. IDACORP, Inc.

Market Cap (USD): $5.20 B

Stock: IDA

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business IDACORP, Inc. Company Profile

43. NextEra Energy Partners, LP

Market Cap (USD): $5.15 B

Stock: NEP

Country: United States

Sector: Utilities

Industry: Utilities—Renewable

business NextEra Energy Partners, LP Company Profile

44. Brookfield Infrastructure Corporation

Market Cap (USD): $5.00 B

Stock: BIPC

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Gas

business Brookfield Infrastructure Corporation Company Profile

45. Ormat Technologies, Inc.

Market Cap (USD): $4.89 B

Stock: ORA

Country: United States

Sector: Utilities

Industry: Utilities—Renewable

business Ormat Technologies, Inc. Company Profile

46. Portland General Electric Company

Market Cap (USD): $4.62 B

Stock: POR

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Electric

business Portland General Electric Company Company Profile

47. Southwest Gas Holdings, Inc.

Market Cap (USD): $4.62 B

Stock: SWX

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Gas

business Southwest Gas Holdings, Inc. Company Profile

48. New Jersey Resources Corporation

Market Cap (USD): $4.47 B

Stock: NJR

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Gas

business New Jersey Resources Corporation Company Profile

49. ONE Gas, Inc.

Market Cap (USD): $4.37 B

Stock: OGS

Country: United States

Sector: Utilities

Industry: Utilities—Regulated Gas

business ONE Gas, Inc. Company Profile

50. South Jersey Industries, Inc.

Market Cap (USD): $4.33 B

(Jan. 1, 2023)

Stock: SJI

Country: United States

Sector: Utilities

Industry: Utilities—Diversified

business South Jersey Industries, Inc. Company Profile

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