Renewable Energy Companies in the UK

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.

2,500+
Renewable energy companies
Operating across the UK
43%
UK electricity from renewables
Record high in 2023
250,000+
Green energy jobs
In the UK renewable sector
£11.2bn
Annual investment
In UK renewable energy projects

The UK's Renewable Energy Revolution

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.

Categories of Renewable Energy Companies in the UK

Solar Energy

Solar panel manufacturers, installers, and solar farm developers powering the UK's clean energy transition

Key players: Solarcentury, Lightsource BP, Anesco, Push Energy

Wind Power

Offshore and onshore wind developers, turbine manufacturers, and wind farm operators

Key players: Ørsted UK, ScottishPower Renewables, SSE Renewables, RES Group

Energy Storage & Grid

Battery storage systems, smart grid technology, and energy management solutions

Key players: Zenobe Energy, Habitat Energy, Gore Street Capital, Harmony Energy

Biomass & Alternative Energy

Biomass power generation, hydrogen fuel, geothermal, and other renewable sources

Key players: Drax Group, ITM Power, Ceres Power, AFC Energy

UK Renewable Energy Hubs

While renewable energy companies UK-wide are contributing to the green transition, certain regions have emerged as centers of excellence for specific technologies:

Scotland

Offshore wind and marine energy leadership

East Anglia

Offshore wind farms and energy infrastructure

South West

Marine energy and floating offshore wind

Yorkshire & Humber

Biomass, carbon capture, and green hydrogen

Top 25 Renewable Energy Companies in the UK

Leading renewable energy companies and clean energy startups shaping the UK's sustainable future:

RankCompanyCategoryLocationEmployeesDescription
1Octopus Energy Energy SupplierLondon3,500+Tech-driven renewable energy supplier with 3.5M+ customers
2Ørsted UK Offshore WindLondon1,200+World leader in offshore wind development
3ScottishPower Renewables Wind EnergyGlasgow2,000+Major onshore and offshore wind developer
4SSE Renewables Multiple RenewablesPerth3,500+Leading developer of renewable energy across UK and Ireland
5Lightsource BP Solar EnergyLondon800+Global leader in solar development and management
6RES Group Multiple RenewablesKings Langley2,500+Wind, solar, and energy storage developer
7Good Energy Energy SupplierChippenham250+100% renewable electricity supplier
8Ecotricity Energy SupplierStroud200+Green energy pioneer and vegan energy company
9Drax Group BiomassSelby3,000+Biomass power generation and carbon capture
10Ceres Power Fuel CellsHorsham400+Fuel cell technology for clean energy
11ITM Power Green HydrogenSheffield385+Green hydrogen production systems
12Zenobe Energy Energy StorageLondon200+Battery storage and EV infrastructure
13Britishvolt Battery TechnologyBlyth300+Gigafactory for EV battery production (now in liquidation)
14Bulb Energy Energy SupplierLondon1,000+Renewable energy supplier (acquired by Octopus Energy)
15OVO Energy Energy SupplierBristol2,500+Tech-enabled energy supplier with Plan Zero
16Anesco Solar & StorageReading150+Solar and battery storage developer
17Harmony Energy Energy StorageLondon50+Utility-scale battery energy storage systems
18Habitat Energy Energy StorageOxford100+AI-optimised battery storage trading
19Pod Point EV InfrastructureLondon400+EV charging infrastructure provider
20Pivot Power Energy StorageOxford75+Grid-scale battery storage (acquired by EDF Power)
21Low Carbon Renewable InvestmentLondon150+Renewable energy investor and asset manager
22Greencoat UK Wind Wind InvestmentLondon30+Listed wind farm investment company
23The Renewables Infrastructure Group InvestmentLondon40+Renewable energy infrastructure investor
24Foresight Solar Fund Solar InvestmentLondon25+Solar energy investment trust
25NextEnergy Solar Fund Solar InvestmentLondon20+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.

Finding Renewable Energy Companies with CompanyTrack

CompanyTrack provides comprehensive data on renewable energy companies UK-wide, helping you:

  • Identify opportunities: Find green energy companies for partnerships, investment, or business development
  • Track the market: Monitor clean energy startups and emerging technologies
  • Geographic analysis: Map renewable energy companies by region, from Scotland's wind farms to Cornwall's solar parks
  • Company intelligence: Access detailed profiles including funding, leadership, and growth metrics
  • Sector insights: Compare solar, wind, hydrogen, and other renewable subsectors
  • Supply chain mapping: Identify suppliers, contractors, and service providers in the renewable ecosystem

Why the UK Leads in Renewable Energy

Natural Resources

Exceptional wind resources, especially offshore, making the UK ideal for wind energy development.

Government Support

Strong policy framework including Contracts for Difference (CfD) and net-zero commitments.

Investment Climate

Billions in annual investment from pension funds, private equity, and green bonds.

Growth Sectors in UK Renewable Energy

The landscape of renewable energy companies continues to evolve with emerging technologies and opportunities:

  1. Floating Offshore Wind: Next-generation wind farms in deeper waters unlocking new capacity
  2. Green Hydrogen: Production facilities and infrastructure for hydrogen as a clean fuel
  3. Grid-Scale Storage: Battery systems essential for managing renewable energy variability
  4. Carbon Capture: Technologies to capture and store CO2 from industrial processes
  5. Tidal & Wave Energy: Marine energy projects harnessing the UK's coastal resources
  6. Community Energy: Local renewable projects owned and operated by communities

Investment and Funding Landscape

Green energy companies in the UK benefit from diverse funding sources:

  • Green Investment Bank: Now the Green Investment Group, backing major renewable projects
  • Venture Capital: Growing interest in clean energy startups and innovative technologies
  • Crowdfunding: Platforms enabling public investment in renewable energy projects
  • Government Grants: Innovation funding through UK Research and Innovation (UKRI)
  • Corporate PPAs: Long-term power purchase agreements with major corporations

Regional Renewable Energy Strengths

Different regions of the UK have developed specializations in renewable energy companies:

  • Scotland: Home to 25% of Europe's offshore wind resources and pioneering floating wind
  • Wales: Focus on marine energy and onshore wind in rural areas
  • Northern Ireland: Growing solar sector and cross-border renewable initiatives
  • North East England: Offshore wind manufacturing and port infrastructure
  • South West England: Marine energy testing facilities and solar deployment

Start Exploring UK Renewable Energy Companies

Access detailed data on thousands of renewable energy companies, green energy firms, and clean energy startups across the UK.