United Kingdom

Top 24 largest UK 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 Kingdom by market capitalization with links to their reference stock and industry.

United Kingdom Utilities Sector Analysis
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Top Utilities Companies from the United Kingdom as of Jan. 01, 2024

Rank Company Market Cap (USD) Country Sector Industry
1 National Grid plc $50.48 B United Kingdom Utilities Utilities—Diversified
2 SSE plc $25.85 B United Kingdom Utilities Utilities—Diversified
3 Centrica plc $10.45 B United Kingdom Utilities Utilities—Diversified
4 Severn Trent plc $9.82 B United Kingdom Utilities Utilities—Regulated Water
5 United Utilities Group plc $9.20 B United Kingdom Utilities Utilities—Regulated Water
6 Pennon Group plc $2.50 B United Kingdom Utilities Utilities—Regulated Water
7 Atlantica Sustainable Infrastructure plc $2.43 B United Kingdom Utilities Utilities—Renewable
8 Drax Group plc $2.40 B United Kingdom Utilities Utilities—Renewable
9 ContourGlobal plc $2.04 B

(Dec. 1, 2022)

 United Kingdom Utilities Utilities—Renewable
10 Telecom Plus plc $1.57 B United Kingdom Utilities Utilities—Diversified
11 Yü Group plc $270.7 M United Kingdom Utilities Utilities—Diversified
12 Jersey Electricity plc $163.8 M United Kingdom Utilities Utilities—Regulated Electric
13 Invinity Energy Systems plc $87.6 M United Kingdom Utilities Utilities—Diversified
14 Good Energy Group plc $85.4 M United Kingdom Utilities Utilities—Renewable
15 InfraStrata plc $30.5 M

(Sept. 1, 2021)

 United Kingdom Utilities Utilities—Regulated Gas
16 Harland & Wolff Group Holdings Plc $27.2 M United Kingdom Utilities Utilities—Regulated Gas
17 PowerHouse Energy Group plc $19.9 M United Kingdom Utilities Utilities—Renewable
18 SIMEC Atlantis Energy Limited $14.7 M United Kingdom Utilities Utilities—Independent Power Producers
19 Fulcrum Utility Services Limited $4.1 M

(July 1, 2023)

 United Kingdom Utilities Utilities—Regulated Gas
20 Pineapple Power Corporation plc $2.9 M United Kingdom Utilities Utilities—Renewable
21 MAST Energy Developments PLC $1.7 M United Kingdom Utilities Utilities—Renewable
22 Rurelec plc $30,373 United Kingdom Utilities Utilities—Independent Power Producers
23 Plutus PowerGen plc United Kingdom Utilities Utilities—Regulated Electric
24 Net Zero Infrastructure Plc United Kingdom Utilities Utilities—Renewable

Top Utilities Companies from the United Kingdom as of Jan. 01, 2024

1. National Grid plc

Company Profile: National Grid plc
Market Cap (USD): $50.48 B
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Diversified

2. SSE plc

Company Profile: SSE plc
Market Cap (USD): $25.85 B
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Diversified

3. Centrica plc

Company Profile: Centrica plc
Market Cap (USD): $10.45 B
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Diversified

4. Severn Trent plc

Company Profile: Severn Trent plc
Market Cap (USD): $9.82 B
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Regulated Water

5. United Utilities Group plc

Company Profile: United Utilities Group plc
Market Cap (USD): $9.20 B
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Regulated Water

6. Pennon Group plc

Company Profile: Pennon Group plc
Market Cap (USD): $2.50 B
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Regulated Water

7. Atlantica Sustainable Infrastructure plc

Company Profile: Atlantica Sustainable Infrastructure plc
Market Cap (USD): $2.43 B
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Renewable

8. Drax Group plc

Company Profile: Drax Group plc
Market Cap (USD): $2.40 B
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Renewable

9. ContourGlobal plc

Company Profile: ContourGlobal plc
Market Cap (USD): $2.04 B (Dec. 1, 2022)
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Renewable

10. Telecom Plus plc

Company Profile: Telecom Plus plc
Market Cap (USD): $1.57 B
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Diversified

11. Yü Group plc

Company Profile: Yü Group plc
Market Cap (USD): $270.7 M
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Diversified

12. Jersey Electricity plc

Company Profile: Jersey Electricity plc
Market Cap (USD): $163.8 M
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Regulated Electric

13. Invinity Energy Systems plc

Company Profile: Invinity Energy Systems plc
Market Cap (USD): $87.6 M
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Diversified

14. Good Energy Group plc

Company Profile: Good Energy Group plc
Market Cap (USD): $85.4 M
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Renewable

15. InfraStrata plc

Company Profile: InfraStrata plc
Market Cap (USD): $30.5 M (Sept. 1, 2021)
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Regulated Gas

16. Harland & Wolff Group Holdings Plc

Company Profile: Harland & Wolff Group Holdings Plc
Market Cap (USD): $27.2 M
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Regulated Gas

17. PowerHouse Energy Group plc

Company Profile: PowerHouse Energy Group plc
Market Cap (USD): $19.9 M
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Renewable

18. SIMEC Atlantis Energy Limited

Company Profile: SIMEC Atlantis Energy Limited
Market Cap (USD): $14.7 M
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Independent Power Producers

19. Fulcrum Utility Services Limited

Company Profile: Fulcrum Utility Services Limited
Market Cap (USD): $4.1 M (July 1, 2023)
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Regulated Gas

20. Pineapple Power Corporation plc

Company Profile: Pineapple Power Corporation plc
Market Cap (USD): $2.9 M
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Renewable

21. MAST Energy Developments PLC

Company Profile: MAST Energy Developments PLC
Market Cap (USD): $1.7 M
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Renewable

22. Rurelec plc

Company Profile: Rurelec plc
Market Cap (USD): $30,373
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Independent Power Producers

23. Plutus PowerGen plc

Company Profile: Plutus PowerGen plc
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Regulated Electric

24. Net Zero Infrastructure Plc

Company Profile: Net Zero Infrastructure Plc
Country: United Kingdom
Sector: Utilities
Industry: Utilities—Renewable

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