Explore renewable energy companies, green energy firms, and clean energy startups driving the UK's transition to sustainable power. Access comprehensive data on the UK's rapidly growing renewable sector.
The United Kingdom has emerged as a global leader in renewable energy, with renewable energy companies transforming the nation's power generation landscape. From offshore wind farms to solar installations, green energy companies are creating thousands of jobs while helping the UK achieve its net-zero targets.
Solar panel manufacturers, installers, and solar farm developers powering the UK's clean energy transition
Offshore and onshore wind developers, turbine manufacturers, and wind farm operators
Battery storage systems, smart grid technology, and energy management solutions
Biomass power generation, hydrogen fuel, geothermal, and other renewable sources
While renewable energy companies UK-wide are contributing to the green transition, certain regions have emerged as centers of excellence for specific technologies:
Offshore wind and marine energy leadership
Offshore wind farms and energy infrastructure
Marine energy and floating offshore wind
Biomass, carbon capture, and green hydrogen
Leading renewable energy companies and clean energy startups shaping the UK's sustainable future:
Rank | Company | Category | Location | Employees | Description |
---|---|---|---|---|---|
1 | Octopus Energy | Energy Supplier | London | 3,500+ | Tech-driven renewable energy supplier with 3.5M+ customers |
2 | Ørsted UK | Offshore Wind | London | 1,200+ | World leader in offshore wind development |
3 | ScottishPower Renewables | Wind Energy | Glasgow | 2,000+ | Major onshore and offshore wind developer |
4 | SSE Renewables | Multiple Renewables | Perth | 3,500+ | Leading developer of renewable energy across UK and Ireland |
5 | Lightsource BP | Solar Energy | London | 800+ | Global leader in solar development and management |
6 | RES Group | Multiple Renewables | Kings Langley | 2,500+ | Wind, solar, and energy storage developer |
7 | Good Energy | Energy Supplier | Chippenham | 250+ | 100% renewable electricity supplier |
8 | Ecotricity | Energy Supplier | Stroud | 200+ | Green energy pioneer and vegan energy company |
9 | Drax Group | Biomass | Selby | 3,000+ | Biomass power generation and carbon capture |
10 | Ceres Power | Fuel Cells | Horsham | 400+ | Fuel cell technology for clean energy |
11 | ITM Power | Green Hydrogen | Sheffield | 385+ | Green hydrogen production systems |
12 | Zenobe Energy | Energy Storage | London | 200+ | Battery storage and EV infrastructure |
13 | Britishvolt | Battery Technology | Blyth | 300+ | Gigafactory for EV battery production (now in liquidation) |
14 | Bulb Energy | Energy Supplier | London | 1,000+ | Renewable energy supplier (acquired by Octopus Energy) |
15 | OVO Energy | Energy Supplier | Bristol | 2,500+ | Tech-enabled energy supplier with Plan Zero |
16 | Anesco | Solar & Storage | Reading | 150+ | Solar and battery storage developer |
17 | Harmony Energy | Energy Storage | London | 50+ | Utility-scale battery energy storage systems |
18 | Habitat Energy | Energy Storage | Oxford | 100+ | AI-optimised battery storage trading |
19 | Pod Point | EV Infrastructure | London | 400+ | EV charging infrastructure provider |
20 | Pivot Power | Energy Storage | Oxford | 75+ | Grid-scale battery storage (acquired by EDF Power) |
21 | Low Carbon | Renewable Investment | London | 150+ | Renewable energy investor and asset manager |
22 | Greencoat UK Wind | Wind Investment | London | 30+ | Listed wind farm investment company |
23 | The Renewables Infrastructure Group | Investment | London | 40+ | Renewable energy infrastructure investor |
24 | Foresight Solar Fund | Solar Investment | London | 25+ | Solar energy investment trust |
25 | NextEnergy Solar Fund | Solar Investment | London | 20+ | Solar infrastructure investment company |
Note: Employee counts and company data based on latest available information as of 2025. Rankings consider company size, impact, and growth trajectory.
CompanyTrack provides comprehensive data on renewable energy companies UK-wide, helping you:
Exceptional wind resources, especially offshore, making the UK ideal for wind energy development.
Strong policy framework including Contracts for Difference (CfD) and net-zero commitments.
Billions in annual investment from pension funds, private equity, and green bonds.
The landscape of renewable energy companies continues to evolve with emerging technologies and opportunities:
Green energy companies in the UK benefit from diverse funding sources:
Different regions of the UK have developed specializations in renewable energy companies:
Access detailed data on thousands of renewable energy companies, green energy firms, and clean energy startups across the UK.