World

Top 163 largest Companies in the Utilities—Regulated Electric industry in the World by Market Cap

This is the list of the largest public listed companies in the Utilities—Regulated Electric industry in the world by market capitalization with links to their reference stock.

World Utilities—Regulated Electric Industry Analysis
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Top Utilities—Regulated Electric Companies in the World as of Jul. 01, 2025

Rank Company Market Cap (USD) Country Sector Industry
31 Enel Américas SA $10.42 B Chile Chilean Utilities Chilean Utilities—Regulated Electric
32 OGE Energy Corp. $8.96 B United States US Utilities US Utilities—Regulated Electric
33 CPFL Energia SA $8.50 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
34 Equatorial Energia SA $8.12 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
35 Huadian Power International Corp Ltd $8.08 B China Chinese Utilities Chinese Utilities—Regulated Electric
36 PGE Polska Grupa Energetyczna SA $7.21 B Poland Polish Utilities Polish Utilities—Regulated Electric
37 Guangxi Guiguan Electric PowerCo.,Ltd. $6.99 B China Chinese Utilities Chinese Utilities—Regulated Electric
38 Engie Brasil Energia SA $6.92 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
39 HK Electric Investments and HK Electric Investments Ltd $6.53 B Hong Kong HK Utilities HK Utilities—Regulated Electric
40 IDACORP, Inc. $6.27 B United States US Utilities US Utilities—Regulated Electric
41 Union Electric Co. $6.13 B United States US Utilities US Utilities—Regulated Electric
42 Public Power Corp SA $6.01 B Greece Greece Utilities Greece Utilities—Regulated Electric
43 Neoenergia SA $5.77 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
44 Interconexión Eléctrica S.A. E.S.P. $5.17 B Colombia Colombia Utilities Colombia Utilities—Regulated Electric
45 Enel Chile SA $5.16 B Chile Chilean Utilities Chilean Utilities—Regulated Electric
46 Portland General Electric Company $4.51 B United States US Utilities US Utilities—Regulated Electric
47 Yunnan Wenshan Electric Power Co.,Ltd. $4.47 B China Chinese Utilities Chinese Utilities—Regulated Electric
48 Pampa Energía SA $3.90 B Argentina Argentinian Utilities Argentinian Utilities—Regulated Electric
49 PNM Resources, Inc. $3.77 B United States US Utilities US Utilities—Regulated Electric
50 CTEEP - Companhia de Transmissao de Energia Eletrica Paulista SA $3.74 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
51 Alabama Power Co. $3.21 B

(June 1, 2022)

 United States US Utilities US Utilities—Regulated Electric
52 Guangzhou Development Group, Inc. $3.12 B China Chinese Utilities Chinese Utilities—Regulated Electric
53 Energisa Mato Grosso - Distribuidora de Energia S/A $2.91 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
54 Colbún SA $2.82 B Chile Chilean Utilities Chilean Utilities—Regulated Electric
55 Terna Energy Societe Anonyme Commercial Technical Company $2.78 B Greece Greece Utilities Greece Utilities—Regulated Electric
56 Rede Energia Participacoes SA $2.59 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
57 Global Power Synergy Public Company Ltd $2.57 B Thailand Thai Utilities Thai Utilities—Regulated Electric
58 Inter RAO UES PJSC $2.49 B

(Jan. 1, 2025)

 Russia Russian Utilities Russian Utilities—Regulated Electric
59 Mainova AG $2.34 B Germany German Utilities German Utilities—Regulated Electric
60 Kenon Holdings Ltd. $2.28 B Singapore Singaporean Utilities Singaporean Utilities—Regulated Electric

Top Utilities—Regulated Electric Companies in the World as of Jul. 01, 2025

31. Enel Américas SA

Company Profile: Enel Américas SA
Market Cap (USD): $10.42 B
Country: Chile
Sector: Chilean Utilities
Industry: Chilean Utilities—Regulated Electric

32. OGE Energy Corp.

Company Profile: OGE Energy Corp.
Market Cap (USD): $8.96 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

33. CPFL Energia SA

Company Profile: CPFL Energia SA
Market Cap (USD): $8.50 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

34. Equatorial Energia SA

Company Profile: Equatorial Energia SA
Market Cap (USD): $8.12 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

35. Huadian Power International Corp Ltd

Company Profile: Huadian Power International Corp Ltd
Market Cap (USD): $8.08 B
Country: China
Sector: Chinese Utilities
Industry: Chinese Utilities—Regulated Electric

36. PGE Polska Grupa Energetyczna SA

Company Profile: PGE Polska Grupa Energetyczna SA
Market Cap (USD): $7.21 B
Country: Poland
Sector: Polish Utilities
Industry: Polish Utilities—Regulated Electric

37. Guangxi Guiguan Electric PowerCo.,Ltd.

Company Profile: Guangxi Guiguan Electric PowerCo.,Ltd.
Market Cap (USD): $6.99 B
Country: China
Sector: Chinese Utilities
Industry: Chinese Utilities—Regulated Electric

38. Engie Brasil Energia SA

Company Profile: Engie Brasil Energia SA
Market Cap (USD): $6.92 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

39. HK Electric Investments and HK Electric Investments Ltd

Company Profile: HK Electric Investments and HK Electric Investments Ltd
Market Cap (USD): $6.53 B
Country: Hong Kong
Sector: HK Utilities
Industry: HK Utilities—Regulated Electric

40. IDACORP, Inc.

Company Profile: IDACORP, Inc.
Market Cap (USD): $6.27 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

41. Union Electric Co.

Company Profile: Union Electric Co.
Market Cap (USD): $6.13 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

42. Public Power Corp SA

Company Profile: Public Power Corp SA
Market Cap (USD): $6.01 B
Country: Greece
Sector: Greece Utilities
Industry: Greece Utilities—Regulated Electric

43. Neoenergia SA

Company Profile: Neoenergia SA
Market Cap (USD): $5.77 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

44. Interconexión Eléctrica S.A. E.S.P.

Company Profile: Interconexión Eléctrica S.A. E.S.P.
Market Cap (USD): $5.17 B
Country: Colombia
Sector: Colombia Utilities
Industry: Colombia Utilities—Regulated Electric

45. Enel Chile SA

Company Profile: Enel Chile SA
Market Cap (USD): $5.16 B
Country: Chile
Sector: Chilean Utilities
Industry: Chilean Utilities—Regulated Electric

46. Portland General Electric Company

Company Profile: Portland General Electric Company
Market Cap (USD): $4.51 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

47. Yunnan Wenshan Electric Power Co.,Ltd.

Company Profile: Yunnan Wenshan Electric Power Co.,Ltd.
Market Cap (USD): $4.47 B
Country: China
Sector: Chinese Utilities
Industry: Chinese Utilities—Regulated Electric

48. Pampa Energía SA

Company Profile: Pampa Energía SA
Market Cap (USD): $3.90 B
Country: Argentina
Sector: Argentinian Utilities
Industry: Argentinian Utilities—Regulated Electric

49. 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

50. CTEEP - Companhia de Transmissao de Energia Eletrica Paulista SA

Company Profile: CTEEP - Companhia de Transmissao de Energia Eletrica Paulista SA
Market Cap (USD): $3.74 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

51. 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

52. Guangzhou Development Group, Inc.

Company Profile: Guangzhou Development Group, Inc.
Market Cap (USD): $3.12 B
Country: China
Sector: Chinese Utilities
Industry: Chinese Utilities—Regulated Electric

53. Energisa Mato Grosso - Distribuidora de Energia S/A

Company Profile: Energisa Mato Grosso - Distribuidora de Energia S/A
Market Cap (USD): $2.91 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

54. Colbún SA

Company Profile: Colbún SA
Market Cap (USD): $2.82 B
Country: Chile
Sector: Chilean Utilities
Industry: Chilean Utilities—Regulated Electric

55. Terna Energy Societe Anonyme Commercial Technical Company

Company Profile: Terna Energy Societe Anonyme Commercial Technical Company
Market Cap (USD): $2.78 B
Country: Greece
Sector: Greece Utilities
Industry: Greece Utilities—Regulated Electric

56. Rede Energia Participacoes SA

Company Profile: Rede Energia Participacoes SA
Market Cap (USD): $2.59 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

57. Global Power Synergy Public Company Ltd

Company Profile: Global Power Synergy Public Company Ltd
Market Cap (USD): $2.57 B
Country: Thailand
Sector: Thai Utilities
Industry: Thai Utilities—Regulated Electric

58. Inter RAO UES PJSC

Company Profile: Inter RAO UES PJSC
Market Cap (USD): $2.49 B (Jan. 1, 2025)
Country: Russia
Sector: Russian Utilities
Industry: Russian Utilities—Regulated Electric

59. Mainova AG

Company Profile: Mainova AG
Market Cap (USD): $2.34 B
Country: Germany
Sector: German Utilities
Industry: German Utilities—Regulated Electric

60. Kenon Holdings Ltd.

Company Profile: Kenon Holdings Ltd.
Market Cap (USD): $2.28 B
Country: Singapore
Sector: Singaporean Utilities
Industry: Singaporean Utilities—Regulated Electric

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