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
31 NiSource Inc. $12.84 B United States US Utilities US Utilities—Regulated Gas
32 The AES Corporation $12.59 B United States US Utilities US Utilities—Diversified
33 Evergy, Inc. $12.14 B United States US Utilities US Utilities—Regulated Electric
34 Essential Utilities, Inc. $10.05 B United States US Utilities US Utilities—Regulated Water
35 Pinnacle West Capital Corporation $8.58 B United States US Utilities US Utilities—Regulated Electric
36 OGE Energy Corp. $7.14 B United States US Utilities US Utilities—Regulated Electric
37 Union Electric Co. $6.66 B United States US Utilities US Utilities—Regulated Electric
38 Brookfield Renewable Corporation $5.19 B United States US Utilities US Utilities—Renewable
39 Southwest Gas Holdings, Inc. $5.12 B United States US Utilities US Utilities—Regulated Gas
40 Clearway Energy, Inc. $4.82 B United States US Utilities US Utilities—Renewable
41 UGI Corporation $4.75 B United States US Utilities US Utilities—Regulated Gas
42 IDACORP, Inc. $4.68 B United States US Utilities US Utilities—Regulated Electric
43 Brookfield Infrastructure Corporation $4.59 B

(Jan. 1, 2024)

 United States US Utilities US Utilities—Regulated Gas
44 Portland General Electric Company $4.37 B United States US Utilities US Utilities—Regulated Electric
45 South Jersey Industries, Inc. $4.33 B

(Jan. 1, 2023)

 United States US Utilities US Utilities—Diversified
46 Ormat Technologies, Inc. $4.26 B United States US Utilities US Utilities—Renewable
47 Clear Peak Energy, Inc. $4.20 B United States US Utilities US Utilities—Independent Power Producers
48 New Jersey Resources Corporation $4.19 B United States US Utilities US Utilities—Regulated Gas
49 New Fortress Energy Inc. $4.18 B United States US Utilities US Utilities—Regulated Gas
50 Black Hills Corporation $3.70 B United States US Utilities US Utilities—Diversified
51 Otter Tail Corporation $3.63 B United States US Utilities US Utilities—Diversified
52 ONE Gas, Inc. $3.61 B United States US Utilities US Utilities—Regulated Gas
53 ALLETE, Inc. $3.58 B United States US Utilities US Utilities—Diversified
54 Spire Inc. $3.47 B United States US Utilities US Utilities—Regulated Gas
55 PNM Resources, Inc. $3.25 B United States US Utilities US Utilities—Regulated Electric
56 Alabama Power Co. $3.21 B

(June 1, 2022)

 United States US Utilities US Utilities—Regulated Electric
57 NorthWestern Corporation $3.00 B United States US Utilities US Utilities—Diversified
58 California Water Service Group $2.83 B United States US Utilities US Utilities—Regulated Water
59 MGE Energy, Inc. $2.71 B United States US Utilities US Utilities—Diversified
60 American States Water Company $2.70 B United States US Utilities US Utilities—Regulated Water

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

31. NiSource Inc.

Company Profile: NiSource Inc.
Market Cap (USD): $12.84 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

32. The AES Corporation

Company Profile: The AES Corporation
Market Cap (USD): $12.59 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

33. Evergy, Inc.

Company Profile: Evergy, Inc.
Market Cap (USD): $12.14 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

34. Essential Utilities, Inc.

Company Profile: Essential Utilities, Inc.
Market Cap (USD): $10.05 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Water

35. Pinnacle West Capital Corporation

Company Profile: Pinnacle West Capital Corporation
Market Cap (USD): $8.58 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

36. OGE Energy Corp.

Company Profile: OGE Energy Corp.
Market Cap (USD): $7.14 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

37. Union Electric Co.

Company Profile: Union Electric Co.
Market Cap (USD): $6.66 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

38. Brookfield Renewable Corporation

Company Profile: Brookfield Renewable Corporation
Market Cap (USD): $5.19 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Renewable

39. Southwest Gas Holdings, Inc.

Company Profile: Southwest Gas Holdings, Inc.
Market Cap (USD): $5.12 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

40. Clearway Energy, Inc.

Company Profile: Clearway Energy, Inc.
Market Cap (USD): $4.82 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Renewable

41. UGI Corporation

Company Profile: UGI Corporation
Market Cap (USD): $4.75 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

42. IDACORP, Inc.

Company Profile: IDACORP, Inc.
Market Cap (USD): $4.68 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

43. Brookfield Infrastructure Corporation

Company Profile: Brookfield Infrastructure Corporation
Market Cap (USD): $4.59 B (Jan. 1, 2024)
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

44. Portland General Electric Company

Company Profile: Portland General Electric Company
Market Cap (USD): $4.37 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

45. South Jersey Industries, Inc.

Company Profile: South Jersey Industries, Inc.
Market Cap (USD): $4.33 B (Jan. 1, 2023)
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

46. Ormat Technologies, Inc.

Company Profile: Ormat Technologies, Inc.
Market Cap (USD): $4.26 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Renewable

47. Clear Peak Energy, Inc.

Company Profile: Clear Peak Energy, Inc.
Market Cap (USD): $4.20 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Independent Power Producers

48. New Jersey Resources Corporation

Company Profile: New Jersey Resources Corporation
Market Cap (USD): $4.19 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

49. New Fortress Energy Inc.

Company Profile: New Fortress Energy Inc.
Market Cap (USD): $4.18 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

50. Black Hills Corporation

Company Profile: Black Hills Corporation
Market Cap (USD): $3.70 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

51. Otter Tail Corporation

Company Profile: Otter Tail Corporation
Market Cap (USD): $3.63 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

52. ONE Gas, Inc.

Company Profile: ONE Gas, Inc.
Market Cap (USD): $3.61 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

53. ALLETE, Inc.

Company Profile: ALLETE, Inc.
Market Cap (USD): $3.58 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

54. Spire Inc.

Company Profile: Spire Inc.
Market Cap (USD): $3.47 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

55. PNM Resources, Inc.

Company Profile: PNM Resources, Inc.
Market Cap (USD): $3.25 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

56. 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

57. NorthWestern Corporation

Company Profile: NorthWestern Corporation
Market Cap (USD): $3.00 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

58. California Water Service Group

Company Profile: California Water Service Group
Market Cap (USD): $2.83 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Water

59. MGE Energy, Inc.

Company Profile: MGE Energy, Inc.
Market Cap (USD): $2.71 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

60. American States Water Company

Company Profile: American States Water Company
Market Cap (USD): $2.70 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Water

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