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 Jan. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
31 Evergy, Inc. $14.50 B United States US Utilities US Utilities—Regulated Electric
32 Avangrid, Inc. $13.94 B

(Dec. 1, 2024)

 United States US Utilities US Utilities—Regulated Electric
33 Essential Utilities, Inc. $10.62 B United States US Utilities US Utilities—Regulated Water
34 Pinnacle West Capital Corporation $9.71 B United States US Utilities US Utilities—Regulated Electric
35 OGE Energy Corp. $8.66 B United States US Utilities US Utilities—Regulated Electric
36 The AES Corporation $8.20 B United States US Utilities US Utilities—Diversified
37 UGI Corporation $6.55 B United States US Utilities US Utilities—Regulated Gas
38 Union Electric Co. $6.43 B United States US Utilities US Utilities—Regulated Electric
39 IDACORP, Inc. $5.78 B United States US Utilities US Utilities—Regulated Electric
40 Brookfield Infrastructure Corporation $5.26 B United States US Utilities US Utilities—Regulated Gas
41 Southwest Gas Holdings, Inc. $5.10 B United States US Utilities US Utilities—Regulated Gas
42 Clearway Energy, Inc. $5.00 B United States US Utilities US Utilities—Renewable
43 Brookfield Renewable Corporation $4.74 B United States US Utilities US Utilities—Renewable
44 New Jersey Resources Corporation $4.68 B United States US Utilities US Utilities—Regulated Gas
45 Portland General Electric Company $4.35 B United States US Utilities US Utilities—Regulated Electric
46 South Jersey Industries, Inc. $4.33 B

(Jan. 1, 2023)

 United States US Utilities US Utilities—Diversified
47 Clear Peak Energy, Inc. $4.20 B United States US Utilities US Utilities—Independent Power Producers
48 New Fortress Energy Inc. $4.10 B United States US Utilities US Utilities—Regulated Gas
49 Black Hills Corporation $4.10 B United States US Utilities US Utilities—Diversified
50 Spire Inc. $4.01 B United States US Utilities US Utilities—Regulated Gas
51 Ormat Technologies, Inc. $3.96 B United States US Utilities US Utilities—Renewable
52 ONE Gas, Inc. $3.93 B United States US Utilities US Utilities—Regulated Gas
53 ALLETE, Inc. $3.80 B United States US Utilities US Utilities—Diversified
54 PNM Resources, Inc. $3.77 B United States US Utilities US Utilities—Regulated Electric
55 NorthWestern Corporation $3.31 B United States US Utilities US Utilities—Diversified
56 Otter Tail Corporation $3.25 B United States US Utilities US Utilities—Diversified
57 Alabama Power Co. $3.21 B

(June 1, 2022)

 United States US Utilities US Utilities—Regulated Electric
58 MGE Energy, Inc. $3.16 B United States US Utilities US Utilities—Diversified
59 Avista Corporation $2.85 B United States US Utilities US Utilities—Diversified
60 Chesapeake Utilities Corporation $2.75 B United States US Utilities US Utilities—Regulated Gas

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

31. Evergy, Inc.

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

32. 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

33. Essential Utilities, Inc.

Company Profile: Essential Utilities, Inc.
Market Cap (USD): $10.62 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Water

34. 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

35. 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

36. The AES Corporation

Company Profile: The AES Corporation
Market Cap (USD): $8.20 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

37. UGI Corporation

Company Profile: UGI Corporation
Market Cap (USD): $6.55 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

38. 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

39. IDACORP, Inc.

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

40. Brookfield Infrastructure Corporation

Company Profile: Brookfield Infrastructure Corporation
Market Cap (USD): $5.26 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

41. Southwest Gas Holdings, Inc.

Company Profile: Southwest Gas Holdings, Inc.
Market Cap (USD): $5.10 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

42. Clearway Energy, Inc.

Company Profile: Clearway Energy, Inc.
Market Cap (USD): $5.00 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Renewable

43. Brookfield Renewable Corporation

Company Profile: Brookfield Renewable Corporation
Market Cap (USD): $4.74 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Renewable

44. New Jersey Resources Corporation

Company Profile: New Jersey Resources Corporation
Market Cap (USD): $4.68 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

45. 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

46. 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

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 Fortress Energy Inc.

Company Profile: New Fortress Energy Inc.
Market Cap (USD): $4.10 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

49. Black Hills Corporation

Company Profile: Black Hills Corporation
Market Cap (USD): $4.10 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

50. Spire Inc.

Company Profile: Spire Inc.
Market Cap (USD): $4.01 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

51. Ormat Technologies, Inc.

Company Profile: Ormat Technologies, Inc.
Market Cap (USD): $3.96 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Renewable

52. ONE Gas, Inc.

Company Profile: ONE Gas, Inc.
Market Cap (USD): $3.93 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

53. ALLETE, Inc.

Company Profile: ALLETE, Inc.
Market Cap (USD): $3.80 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

54. 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

55. NorthWestern Corporation

Company Profile: NorthWestern Corporation
Market Cap (USD): $3.31 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

56. Otter Tail Corporation

Company Profile: Otter Tail Corporation
Market Cap (USD): $3.25 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

57. 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

58. MGE Energy, Inc.

Company Profile: MGE Energy, Inc.
Market Cap (USD): $3.16 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

59. Avista Corporation

Company Profile: Avista Corporation
Market Cap (USD): $2.85 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

60. Chesapeake Utilities Corporation

Company Profile: Chesapeake Utilities Corporation
Market Cap (USD): $2.75 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

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