CompanyTrack
High-Growth Sector

Energy Generation Solutions

A market overview of active UK companies in Energy Generation Solutions. Figures exclude dormant and dissolved companies. Data refreshed 30 Apr 2026.

Browse all 761 companies →
Active companies
761
trading & on register
Reporting turnover
235
31% of active
Reporting employees
593
78% of active
Register health
8%
of 845 on register are dormant

Company size (employees)

Active companies reporting employee counts

1-9
425
10-49
112
50-249
36
250+
20

Turnover distribution

Active companies reporting turnover

<£100k
9
£100k-£1m
30
£1m-£10m
70
£10m-£100m
82
£100m+
44

Where they're based

Active companies by major UK city (30km London, 15–20km elsewhere)

Greater London
209
Edinburgh
25
Manchester
21
Birmingham
20
Glasgow
15
Bristol
14
Belfast
9
Cardiff
7
Leeds
6
Liverpool
4

New formations by year

Active companies incorporated under this category (dormant shells excluded)

35
17
43
18
42
19
55
20
59
21
40
22
39
23
20
24
0
25
0
26

Largest by turnover

#CompanyTurnoverEBITDAEmployees3y growth
1ROLLS-ROYCE PLC£18.9B£3.6B42,40019%
2OCTOPUS ENERGY GROUP LIMITED£13.7B£93.0M10,03048%
3EDF ENERGY CUSTOMERS LIMITED£13.7B£473.0M3,70820%
4OCTOPUS ENERGY LIMITED£9.7B£273.9M2,44529%
5UNIPER UK LIMITED£6.2B£566.0M62436%
6DRAX GROUP PLC£5.4B£873.4M--11%
7J.C. BAMFORD EXCAVATORS LIMITED£4.9B£509.7M11,12512%
8STATKRAFT MARKETS GMBH£4.3B£1.1B30-43%
9OCTOPUS ENERGY OPERATIONS LIMITED£2.2B-356-
10SIEMENS GAMESA RENEWABLE ENERGY LIMITED£1.6B£91.4M2,92518%
11RWE RENEWABLES UK SWINDON LIMITED£1.3B£298.1M-38%
12RENEWABLE ENERGY SYSTEMS HOLDINGS LIMITED£1.1B£44.7M4,79311%
13OCTOPUS ENERGY ECO LIMITED£512.1M£681K--
14ANSALDO ENERGIA SPA£505.5M£17.3M2,389-
15ELECLINK LIMITED£484.2M£311.6M30-
16CLARKE ENERGY LIMITED£470.3M£35.8M1,36213%
17INTERGEN LTD£431.9M£55.4M191-
18INTERGEN POWER LTD£416.3M£43.4M--
19DAWSONGROUP LIMITED£407.4M£254.6M1,1418%
20SALTEND COGENERATION COMPANY LIMITED£377.7M£72.9M--14%

Fastest-growing

Active companies with turnover ≥ £1m, sorted by 3-year turnover CAGR

#CompanyTurnoverEmployees3y turnover growth
1ENBW UK LIMITED£14.1M64346%
2FLOTATION ENERGY LIMITED£18.8M150232%
3CANADIAN SOLAR SSES (UK) LTD£138.9M14150%
4ASUN SERVICES LIMITED£40.2M11139%
5OCTOPUS ENERGY SERVICES LIMITED£165.4M-83%
6MERCIA POWER LIMITED£110.2M2674%
7BRACEBRIDGE HOLDINGS LIMITED£15.0M32974%
8FRP MERCIA HOLDCO LIMITED£93.4M-68%
9ECONERGY INTERNATIONAL LIMITED£1.8M1263%
10VANTAGE RE LTD.£145.3M4563%
11FRED. OLSEN SEAWIND LIMITED£6.4M2061%
12RWE RENEWABLES UK WIND SERVICES LIMITED£189.8M-59%
13SDMO ENERGY LIMITED£83.5M1959%
14CONRAD ENERGY (TRADING) LIMITED£37.7M1458%
15AURA POWER DEVELOPMENTS LTD£11.7M4457%
16TRITON KNOLL OFFSHORE WIND FARM LIMITED£320.8M-55%
17CONSTELLATION GENERATION LIMITED£73.7M1549%
18OCTOPUS ENERGY GROUP LIMITED£13.7B10,03048%
19ARNOLD WHITE GROUP LIMITED£21.9M2045%
20GREEN FROG CONNECT LIMITED£24.8M6244%

Newest formations

Most recently incorporated active companies

#CompanyLocationIncorporated
1CROWDHOUSE MEP LIMITEDNewcastle Upon Tyne2024
2OCTOPUS ENERGY EU TRADECO LIMITEDLondon2024
3RES GLOBAL SERVICES HOLDINGS LIMITEDKings Langley2024
4MANN ELECTROTECHNICAL LTDDarlington2024
5AUKERA UK 2 LIMITEDLondon2024
6AURA POWER PHOENIX LIMITEDBristol2024
7AURA POWER SERVICES LIMITEDBristol2024
8AUKERA UK 1 LIMITEDLondon2024
9UK RENEWABLES ENERGY GROUP LIMITEDLondon2024
10WEST BURTON FLEXIBLE GENERATION LTDLondon2024
11CALENERGY RESOURCES (OPERATOR) LIMITEDNewcastle Upon Tyne2024
12GENMAN LIMITEDLondon2024
13NOVENTUM POWER SOLAR 17 LIMITEDLondon2024
14NOVENTUM POWER SOLAR 16 LIMITEDLondon2024
15YLEM FLEXIBLE POWER LIMITEDSalford2024
16NEXUS PROCUREMENT SERVICES LTDDelph2024
17INTERGEN POWER LTDLondon2024
18INTERGEN LTDLondon2024
19STRATFORD ENERGY HOLDINGS LTDBirmingham2024
20CYAN RENEW (UK) HOLDINGS LIMITEDNorwich2024
Browse all 761 active companies in Energy Generation Solutions →