United Kingdom

Top 21 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.

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

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Rank Company Market Cap (USD) Country Sector Industry
1 National Grid plc $56.16 B United Kingdom UK Utilities UK Utilities—Diversified
2 SSE plc $25.24 B United Kingdom UK Utilities UK Utilities—Diversified
3 Centrica plc $9.43 B United Kingdom UK Utilities UK Utilities—Diversified
4 Severn Trent plc $9.21 B United Kingdom UK Utilities UK Utilities—Regulated Water
5 United Utilities Group plc $8.55 B United Kingdom UK Utilities UK Utilities—Regulated Water
6 Drax Group plc $2.68 B United Kingdom UK Utilities UK Utilities—Renewable
7 Atlantica Sustainable Infrastructure plc $2.55 B United Kingdom UK Utilities UK Utilities—Renewable
8 Pennon Group plc $2.18 B United Kingdom UK Utilities UK Utilities—Regulated Water
9 ContourGlobal plc $2.04 B

(Dec. 1, 2022)

 United Kingdom UK Utilities UK Utilities—Renewable
10 Telecom Plus plc $1.80 B United Kingdom UK Utilities UK Utilities—Diversified
11 Yü Group plc $358.9 M United Kingdom UK Utilities UK Utilities—Diversified
12 Jersey Electricity plc $186.1 M United Kingdom UK Utilities UK Utilities—Regulated Electric
13 Invinity Energy Systems plc $120.4 M United Kingdom UK Utilities UK Utilities—Diversified
14 PowerHouse Energy Group plc $75.9 M United Kingdom UK Utilities UK Utilities—Renewable
15 Good Energy Group plc $59.7 M United Kingdom UK Utilities UK Utilities—Renewable
16 SIMEC Atlantis Energy Limited $14.7 M

(Jan. 1, 2024)

 United Kingdom UK Utilities UK Utilities—Independent Power Producers
17 Plutus PowerGen plc United Kingdom UK Utilities UK Utilities—Regulated Electric
18 Net Zero Infrastructure Plc United Kingdom UK Utilities UK Utilities—Renewable
19 EnergyPathways Ltd United Kingdom UK Utilities UK Utilities—Regulated Gas
20 ATOME Energy PLC United Kingdom UK Utilities UK Utilities—Renewable
21 Eneraqua Technologies plc United Kingdom UK Utilities UK Utilities—Independent Power Producers

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

1. National Grid plc

Company Profile: National Grid plc
Market Cap (USD): $56.16 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

2. SSE plc

Company Profile: SSE plc
Market Cap (USD): $25.24 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

3. Centrica plc

Company Profile: Centrica plc
Market Cap (USD): $9.43 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

4. Severn Trent plc

Company Profile: Severn Trent plc
Market Cap (USD): $9.21 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Regulated Water

5. United Utilities Group plc

Company Profile: United Utilities Group plc
Market Cap (USD): $8.55 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Regulated Water

6. Drax Group plc

Company Profile: Drax Group plc
Market Cap (USD): $2.68 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Renewable

7. Atlantica Sustainable Infrastructure plc

Company Profile: Atlantica Sustainable Infrastructure plc
Market Cap (USD): $2.55 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Renewable

8. Pennon Group plc

Company Profile: Pennon Group plc
Market Cap (USD): $2.18 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Regulated Water

9. ContourGlobal plc

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

10. Telecom Plus plc

Company Profile: Telecom Plus plc
Market Cap (USD): $1.80 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

11. Yü Group plc

Company Profile: Yü Group plc
Market Cap (USD): $358.9 M
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

12. Jersey Electricity plc

Company Profile: Jersey Electricity plc
Market Cap (USD): $186.1 M
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Regulated Electric

13. Invinity Energy Systems plc

Company Profile: Invinity Energy Systems plc
Market Cap (USD): $120.4 M
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

14. PowerHouse Energy Group plc

Company Profile: PowerHouse Energy Group plc
Market Cap (USD): $75.9 M
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Renewable

15. Good Energy Group plc

Company Profile: Good Energy Group plc
Market Cap (USD): $59.7 M
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Renewable

16. SIMEC Atlantis Energy Limited

Company Profile: SIMEC Atlantis Energy Limited
Market Cap (USD): $14.7 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Independent Power Producers

17. Plutus PowerGen plc

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

18. Net Zero Infrastructure Plc

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

19. EnergyPathways Ltd

Company Profile: EnergyPathways Ltd
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Regulated Gas

20. ATOME Energy PLC

Company Profile: ATOME Energy PLC
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Renewable

21. Eneraqua Technologies plc

Company Profile: Eneraqua Technologies plc
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Independent Power Producers

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