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
World Top Companies World Companies Analysis
⛩️ Moltgate
Spam is free. Your attention isn’t.
Turn your inbox into a paid channel. Set your price lanes $10 / $30 / $100 and only get messages worth reading.
Get Started Free
Built for busy humans + 🦞 AI agents. Plain-text only.

Top Utilities—Regulated Electric Companies in the World as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
31 Pinnacle West Capital Corporation $10.55 B United States US Utilities US Utilities—Regulated Electric
32 Red Eléctrica Corporación, SA $9.70 B Spain Spanish Utilities Spanish Utilities—Regulated Electric
33 Guangxi Guiguan Electric PowerCo.,Ltd. $8.87 B China Chinese Utilities Chinese Utilities—Regulated Electric
34 OGE Energy Corp. $8.84 B United States US Utilities US Utilities—Regulated Electric
35 Equatorial Energia SA $8.77 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
36 Huadian Power International Corp Ltd $8.29 B China Chinese Utilities Chinese Utilities—Regulated Electric
37 Spic Yuanda Environmental-Protection Co. Ltd $8.14 B China Chinese Utilities Chinese Utilities—Regulated Electric
38 Public Power Corp SA $8.08 B Greece Greece Utilities Greece Utilities—Regulated Electric
39 Transmissora Alianca de Energia Eletrica SA $7.94 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
40 Interconexión Eléctrica S.A. E.S.P. $7.10 B Colombia Colombia Utilities Colombia Utilities—Regulated Electric
41 HK Electric Investments and HK Electric Investments Ltd $7.10 B Hong Kong HK Utilities HK Utilities—Regulated Electric
42 Neoenergia SA $7.00 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
43 IDACORP, Inc. $6.88 B United States US Utilities US Utilities—Regulated Electric
44 Engie Brasil Energia SA $6.50 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
45 Union Electric Co. $6.28 B United States US Utilities US Utilities—Regulated Electric
46 Yunnan Wenshan Electric Power Co.,Ltd. $5.78 B China Chinese Utilities Chinese Utilities—Regulated Electric
47 PGE Polska Grupa Energetyczna SA $5.73 B Poland Polish Utilities Polish Utilities—Regulated Electric
48 Enel Chile SA $5.56 B Chile Chilean Utilities Chilean Utilities—Regulated Electric
49 Portland General Electric Company $5.45 B United States US Utilities US Utilities—Regulated Electric
50 PNM Resources, Inc. $5.33 B United States US Utilities US Utilities—Regulated Electric
51 Pampa Energía SA $5.09 B Argentina Argentinian Utilities Argentinian Utilities—Regulated Electric
52 CTEEP - Companhia de Transmissao de Energia Eletrica Paulista SA $4.08 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
53 Kenon Holdings Ltd. $3.52 B Singapore Singaporean Utilities Singaporean Utilities—Regulated Electric
54 Guangzhou Development Group, Inc. $3.27 B China Chinese Utilities Chinese Utilities—Regulated Electric
55 Alabama Power Co. $3.21 B

(June 1, 2022)

 United States US Utilities US Utilities—Regulated Electric
56 Global Power Synergy Public Company Ltd $3.06 B Thailand Thai Utilities Thai Utilities—Regulated Electric
57 Rede Energia Participacoes SA $2.90 B Brazil Brazilian Utilities Brazilian Utilities—Regulated Electric
58 Colbún SA $2.81 B Chile Chilean Utilities Chilean Utilities—Regulated Electric
59 Central Puerto SA $2.79 B Argentina Argentinian Utilities Argentinian Utilities—Regulated Electric
60 Terna Energy Societe Anonyme Commercial Technical Company $2.78 B

(July 1, 2025)

 Greece Greece Utilities Greece Utilities—Regulated Electric

Top Utilities—Regulated Electric Companies in the World as of Jan. 01, 2026

31. Pinnacle West Capital Corporation

Company Profile: Pinnacle West Capital Corporation
Market Cap (USD): $10.55 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

32. Red Eléctrica Corporación, SA

Company Profile: Red Eléctrica Corporación, SA
Market Cap (USD): $9.70 B
Country: Spain
Sector: Spanish Utilities
Industry: Spanish Utilities—Regulated Electric

33. Guangxi Guiguan Electric PowerCo.,Ltd.

Company Profile: Guangxi Guiguan Electric PowerCo.,Ltd.
Market Cap (USD): $8.87 B
Country: China
Sector: Chinese Utilities
Industry: Chinese Utilities—Regulated Electric

34. OGE Energy Corp.

Company Profile: OGE Energy Corp.
Market Cap (USD): $8.84 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

35. Equatorial Energia SA

Company Profile: Equatorial Energia SA
Market Cap (USD): $8.77 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

36. Huadian Power International Corp Ltd

Company Profile: Huadian Power International Corp Ltd
Market Cap (USD): $8.29 B
Country: China
Sector: Chinese Utilities
Industry: Chinese Utilities—Regulated Electric

37. Spic Yuanda Environmental-Protection Co. Ltd

Company Profile: Spic Yuanda Environmental-Protection Co. Ltd
Market Cap (USD): $8.14 B
Country: China
Sector: Chinese Utilities
Industry: Chinese Utilities—Regulated Electric

38. Public Power Corp SA

Company Profile: Public Power Corp SA
Market Cap (USD): $8.08 B
Country: Greece
Sector: Greece Utilities
Industry: Greece Utilities—Regulated Electric

39. Transmissora Alianca de Energia Eletrica SA

Company Profile: Transmissora Alianca de Energia Eletrica SA
Market Cap (USD): $7.94 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

40. Interconexión Eléctrica S.A. E.S.P.

Company Profile: Interconexión Eléctrica S.A. E.S.P.
Market Cap (USD): $7.10 B
Country: Colombia
Sector: Colombia Utilities
Industry: Colombia Utilities—Regulated Electric

41. HK Electric Investments and HK Electric Investments Ltd

Company Profile: HK Electric Investments and HK Electric Investments Ltd
Market Cap (USD): $7.10 B
Country: Hong Kong
Sector: HK Utilities
Industry: HK Utilities—Regulated Electric

42. Neoenergia SA

Company Profile: Neoenergia SA
Market Cap (USD): $7.00 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

43. IDACORP, Inc.

Company Profile: IDACORP, Inc.
Market Cap (USD): $6.88 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

44. Engie Brasil Energia SA

Company Profile: Engie Brasil Energia SA
Market Cap (USD): $6.50 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

45. Union Electric Co.

Company Profile: Union Electric Co.
Market Cap (USD): $6.28 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

46. Yunnan Wenshan Electric Power Co.,Ltd.

Company Profile: Yunnan Wenshan Electric Power Co.,Ltd.
Market Cap (USD): $5.78 B
Country: China
Sector: Chinese Utilities
Industry: Chinese Utilities—Regulated Electric

47. PGE Polska Grupa Energetyczna SA

Company Profile: PGE Polska Grupa Energetyczna SA
Market Cap (USD): $5.73 B
Country: Poland
Sector: Polish Utilities
Industry: Polish Utilities—Regulated Electric

48. Enel Chile SA

Company Profile: Enel Chile SA
Market Cap (USD): $5.56 B
Country: Chile
Sector: Chilean Utilities
Industry: Chilean Utilities—Regulated Electric

49. Portland General Electric Company

Company Profile: Portland General Electric Company
Market Cap (USD): $5.45 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

50. PNM Resources, Inc.

Company Profile: PNM Resources, Inc.
Market Cap (USD): $5.33 B
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

51. Pampa Energía SA

Company Profile: Pampa Energía SA
Market Cap (USD): $5.09 B
Country: Argentina
Sector: Argentinian Utilities
Industry: Argentinian Utilities—Regulated Electric

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

Company Profile: CTEEP - Companhia de Transmissao de Energia Eletrica Paulista SA
Market Cap (USD): $4.08 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

53. Kenon Holdings Ltd.

Company Profile: Kenon Holdings Ltd.
Market Cap (USD): $3.52 B
Country: Singapore
Sector: Singaporean Utilities
Industry: Singaporean Utilities—Regulated Electric

54. Guangzhou Development Group, Inc.

Company Profile: Guangzhou Development Group, Inc.
Market Cap (USD): $3.27 B
Country: China
Sector: Chinese Utilities
Industry: Chinese Utilities—Regulated Electric

55. 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

56. Global Power Synergy Public Company Ltd

Company Profile: Global Power Synergy Public Company Ltd
Market Cap (USD): $3.06 B
Country: Thailand
Sector: Thai Utilities
Industry: Thai Utilities—Regulated Electric

57. Rede Energia Participacoes SA

Company Profile: Rede Energia Participacoes SA
Market Cap (USD): $2.90 B
Country: Brazil
Sector: Brazilian Utilities
Industry: Brazilian Utilities—Regulated Electric

58. Colbún SA

Company Profile: Colbún SA
Market Cap (USD): $2.81 B
Country: Chile
Sector: Chilean Utilities
Industry: Chilean Utilities—Regulated Electric

59. Central Puerto SA

Company Profile: Central Puerto SA
Market Cap (USD): $2.79 B
Country: Argentina
Sector: Argentinian Utilities
Industry: Argentinian Utilities—Regulated Electric

60. Terna Energy Societe Anonyme Commercial Technical Company

Company Profile: Terna Energy Societe Anonyme Commercial Technical Company
Market Cap (USD): $2.78 B (July 1, 2025)
Country: Greece
Sector: Greece Utilities
Industry: Greece Utilities—Regulated Electric

Stay in touch