Radar · Renewable Energy Tech in United Kingdom
Best Renewable Energy Tech Companies in United Kingdom
The 232 best Renewable Energy Tech companies in United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Kinetics.
By Riya SenguptaFinancials
232companies tracked
$1.8Bdisclosed funding
0unicorns
106have raised
Ranked by disclosed equity funding and recent momentum, the best Renewable Energy Tech companies in United Kingdom represent $1.8 billion in total tracked capital across 232 active filers. Kinetics leads at $400M raised, followed by Kraken at $150M and GeoPura at $125M. Those three alone account for the bulk of the disclosed pool, which tells you something about how concentrated early capital still is. The sector's forecast trajectory is steep: Allied Market Research puts the global market at roughly $4.6B by 2032, compounding at 23.2% annually, driven by government clean-energy mandates and accelerating EV battery development.
So what's actually moving underneath those headline numbers? App-layer data gives a read: median install growth across energy production apps is running at roughly +28% YoY across 195 tracked titles, which I'd call a real consumer-engagement signal, not noise. Hot coverage themes right now cluster around solar electricity generation, next-gen EV platforms, and EV powertrain advancements. Investors like Scottish Enterprise, Greenbackers Investment Capital, and the EIC Fund are backing the field, and recent innovation tracking confirms the pace of technology development is outrunning most five-year forecasts. No unicorns yet in this directory. But with 232 companies and capital this concentrated at the top, the consolidation math is only a matter of time.
Sources & further reading
- einpresswire.com
Ranked: Best Renewable Energy Tech companies in United Kingdom
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kinetics Developer of floating LNG assets and renewable energy platforms 60Funding top 27%Patents top 28%Innovation top 36%Talent bottom 49% All 5 signals ▾Fundingtop 27% Patentstop 28% Innovationtop 36% Talentbottom 49% Globalbottom 43% Funding: Raised $400M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Patents: 64 patents matched (strict assignee match) · 57 filings since 2022 vs 7 in 2017-21 rank vs industry peers · Fliar Intelligence Index 60/100 | $400M | 7 mo ago | — | Mehmet Katmer CEO | — | — | — | 64 patents Real-time 3D mapping and interactive simulation of motor racing tracks and events | — |
| 2 | Field Energy Developer of battery storage systems for renewable energy grid infrastructure | $295M | 35 mo ago | 65 | Michael Schieben Co-Founder | Node.jsTailwind CSSReact+9 | Top 50M | — | — | — |
| 3 | Oxford Photovoltaics Manufacturer of tandem solar cells combining perovskite and silicon layers | $202M | 83 mo ago | 115 115 → 107 (-7%) · sector median +36% | Henry Snaith Co-Founder | WebflowApple iCloud MailMicrosoft 365+18 | Top 5M | 3 signals Announcements | 155 patents Perovskite multijunction solar cell fabrication and deposition processes | 1 job opening |
| 4 | Kraken Provider of utility management solution 83Funding top 22%Fin. health top 23%Tech top 32%Growth top 33% All 9 signals ▾Fundingtop 22% Fin. healthtop 23% Techtop 32% Growthtop 33% Talenttop 38% Markettop 41% AItop 45% Globalbottom 39% Moatbottom 38% Funding: Raised $150M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Fin. health: Revenue ~$171M · Revenue 1.1x total funding rank vs industry peers · Fliar Intelligence Index 83/100 | $150M | 5 mo ago | 376 | Matthew Potts Co-Founder | StoryblokTurbopackstyled-components+23 | Top 5M | — | — | — |
| 5 | GeoPura Manufacturer of hydrogen power units for clean energy generation systems 53Funding top 31%Moat top 31%Growth top 34%Tech top 34% All 11 signals ▾Fundingtop 31% Moattop 31% Growthtop 34% Techtop 34% Talenttop 45% Innovationtop 48% Patentstop 50% Globalbottom 39% Marketbottom 35% Partnersbottom 34% Newsbottom 28% Funding: Raised $125M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Moat: Editorial + unicorn rating 8/10 · IP moat: 7 patents rank vs industry peers · Fliar Intelligence Index 53/100 | $125M | 20 mo ago | 37 | Andrew Cunningham Founder & CEO | WordPress Site EditorWordPressMySQL+28 | Top 5M | — | 7 patents Photovoltaic power generation systems and related solar energy conversion technology. | 1 partnership |
| 6 | HyNet Hydrogen energy production and carbon capture solution provider | $101M | 61 mo ago | 5 | — | WordPressMySQLPHP+17 | Top 10M | — | — | 2 awards |
| 7 | Rivan Manufacturer of synthetic natural gas using carbon capture and electrolysis 40Funding top 35%Growth top 35%Talent bottom 49%Global bottom 45% All 6 signals ▾Fundingtop 35% Growthtop 35% Talentbottom 49% Globalbottom 45% Marketbottom 37% Techbottom 36% Funding: Raised $47.5M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 40/100 | $48M | 1 mo ago | — | Harvey Hodd Founder & CEO | WordPress Block EditorWordPressMySQL+12 | Top 5M | — | — | 1 expansion |
| 8 | Pelamis Wave Power Operator of digital platforms providing online card and slot games | $44M | 211 mo ago | 51 | Richard Yemm Founder & CEO | — | — | — | 29 patents Wave energy conversion devices and marine power transmission/mooring systems. | — |
| 9 | Beam Technology company that provides sustainable infrastructure solutions 74Growth top 21%Fin. health top 28%Funding top 31%Tech top 34% All 8 signals ▾Growthtop 21% Fin. healthtop 28% Fundingtop 31% Techtop 34% Talenttop 38% Marketbottom 46% Globalbottom 39% Moatbottom 38% Growth: Revenue +43% YoY · Fresh capital in last 24 mo Fin. health: Revenue ~$24.4M · Revenue +43% YoY rank vs industry peers · Fliar Intelligence Index 74/100 | $39M | 20 mo ago | — | Joe Tidball Co-Founder | WordPressApple iCloud MailMicrosoft 365+28 | Top 10M | — | — | — |
| 10 | Rovco Provider of AI-driven ROVs and services for inspection of ships 74Innovation top 26%Patents top 28%AI top 28%Product top 30% All 12 signals ▾Innovationtop 26% Patentstop 28% AItop 28% Producttop 30% Moattop 32% Growthtop 33% Fundingtop 35% Newstop 40% Fin. healthtop 41% Marketbottom 49% Talentbottom 49% Globalbottom 42% Innovation: 47 patents (top 32% of patent-holders) · 30 filings since 2022 vs 17 in 2017-21 Patents: 47 patents matched (strict assignee match) · 30 filings since 2022 vs 17 in 2017-21 rank vs industry peers · Fliar Intelligence Index 74/100 | $38M | 47 mo ago | 50 | Brian Allen CEO | — | — | — | 47 patents Subsea imaging, 3D mapping, and autonomous navigation for underwater robotics | — |
| 11 | Moixa Provider of residential energy storage solutions | $38M | 60 mo ago | 2 | — | WordPressApple iCloud MailGoogle Workspace+21 | Top 50M | — | — | — |
| 12 | Power Roll Manufacturer of flexible solar film modules using microgroove technology components 37Moat top 29%Product top 30%Growth top 32%Patents top 33% All 12 signals ▾Moattop 29% Producttop 30% Growthtop 32% Patentstop 33% Innovationtop 36% Talenttop 38% Techtop 40% Fundingtop 42% Globalbottom 36% Marketbottom 22% Newsbottom 21% Fin. healthbottom 15% Moat: Editorial + unicorn rating 7/10 · IP moat: 110 patents Product: 6 distinct product lines · Company stage: Series B rank vs industry peers · Fliar Intelligence Index 37/100 | $33M | 20 mo ago | 26 26 → 37 (+42%) · sector median +36% | Alexander Topping Founder & CSO | Cart FunctionalityWix eCommerceWix+17 | Top 50M | — | 110 patents Patents concentrated in electrical & electronics | — |
| 13 | Sunswap Manufacturer of electric transport refrigeration units for heavy goods vehicles | $28M | 21 mo ago | 30 | Nikolai Tauber Co-founder and CTO | WordPressMySQLPHP+26 | Top 10M | — | 41 patents Electric mobile refrigeration systems for transport, including battery packs and lifting mechanisms. | 1 partnership |
| 14 | Powervault Manufacturer of solar energy storage batteries and energy management software | $22M | 38 mo ago | 20 20 → 25 (+25%) · sector median +36% | — | WordPressPleskMySQL+20 | Top 5M | — | 7 patents Battery energy storage systems and smart energy management software | 2 launchs · 1 partnership |
| 15 | Snowfox Discovery Developer of exploration models for identifying natural hydrogen energy resources 35Growth top 35%Funding top 42%Talent bottom 49%Global bottom 45% All 6 signals ▾Growthtop 35% Fundingtop 42% Talentbottom 49% Globalbottom 45% Techbottom 39% Marketbottom 30% Growth: Fresh capital in last 24 mo Funding: Raised $19.2M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 35/100 | $19M | 10 mo ago | — | Daniel McMahon Co-Founder & CEO | Webflow EcommerceCart FunctionalityWebflow+11 | Top 50M | — | — | 1 partnership |
| 16 | tem Provider of renewable electricity semiconductors manufacturing services 53Talent top 23%Growth top 28%News top 32%Funding top 33% All 9 signals ▾Talenttop 23% Growthtop 28% Newstop 32% Fundingtop 33% Techtop 33% Partnerstop 45% Moatbottom 38% Globalbottom 37% Marketbottom 22% Talent: 6 named leaders on record · 5 C-suite/founder profiles curated Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 53/100 | $17M | 4 mo ago | 6 | Jason Stocks Co-Founder & CCO | StoryblokApple iCloud MailGoogle Workspace+25 | Top 10M | 4 signals Funding · Capital raise | — | 1 job opening · 1 launch · 1 award |
| 17 | Marine Current Turbines Tidal power generator | $15M | 113 mo ago | 30 | — | — | — | — | 137 patents Offshore marine renewable energy turbines and their installation, control, and sealing systems. | — |
| 18 | Tidal Energy Provider of loan refinancing comparison and brokerage services for individuals | $13M | 157 mo ago | — | Peter Darwell Founder & CEO | — | — | — | 46 patents Design and installation of tidal turbine mounting structures and flow generation systems. | — |
| 19 | Verlume Manufacturer of subsea battery systems and intelligent energy management technology | $12M | 37 mo ago | 25 25 → 44 (+76%) · sector median +36% | Richard Knox Founder & CTO | WordPressMySQLPHP+26 | Top 50M | 7 signals Leadership | — | — |
| 20 | Sunsave Provider of residential solar energy systems through a subscription model 57Tech top 23%Growth top 25%News top 28%Talent top 38% All 8 signals ▾Techtop 23% Growthtop 25% Newstop 28% Talenttop 38% Fundingtop 39% Moattop 48% Globalbottom 39% Marketbottom 28% Tech: 32 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Ses Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 57/100 | $12M | 10 mo ago | 7 | Alick Dru Co-Founder & CEO | PrismicSentryNode.js+29 | Top 1M | 6 signals Funding | — | 1 job opening · 1 launch · 1 award |
| 21 | Orbital Marine Power Manufacturer of floating tidal stream turbines for generating renewable electricity 24Moat top 32%Talent top 38%Patents top 39%Tech top 42% All 11 signals ▾Moattop 32% Talenttop 38% Patentstop 39% Techtop 42% Innovationtop 45% Newstop 45% Fundingtop 48% Globalbottom 40% Growthbottom 38% Marketbottom 29% Fin. healthbottom 15% Moat: Editorial + unicorn rating 7/10 · IP moat: 40 patents Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 24/100 | $11M | 6 mo ago | 41 | Barry Johnston Founder | WordPressPleskMySQL+29 | Top 10M | — | 40 patents Tidal energy conversion devices and marine mooring/anchor systems for offshore power generation | — |
| 22 | Sustainable Marine Energy Tidal energy turbine manufacturer | $11M | 86 mo ago | 15 | Jason Hayman CEO & MD | — | — | — | 86 patents Marine mooring hardware and deployable ocean sensor platforms for renewable energy | — |
| 23 | QiO AI-driven building energy and asset management software solutions 11Talent top 38%AI top 45%Funding top 47%Global bottom 37% All 9 signals ▾Talenttop 38% AItop 45% Fundingtop 47% Globalbottom 37% Techbottom 36% Marketbottom 29% Newsbottom 27% Fin. healthbottom 17% Growthbottom 16% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated AI: Product described with: ai-driven rank vs industry peers · Fliar Intelligence Index 11/100 | $10M | 40 mo ago | 27 27 → 28 (+4%) · sector median +36% | Baz Khuti Co-Founder | — | — | — | — | — |
| 24 | Solivus Provider of lightweight solar energy solutions for large commercial buildings and complex rooftops | $7M | 35 mo ago | 11 11 → 14 (+27%) · sector median +36% | Joanna Swift Founder & CEO | WebflowTypekitGoogle Font API+17 | Top 50M | — | 48 patents Integrated solar-powered off‑grid cabins and commercial roof energy systems | — |
| 25 | Tribosonics Developer of sensing technology for industrial asset performance monitoring and management | $7M | 30 mo ago | 18 18 → 29 (+61%) · sector median +36% | Glenn Fletcher Co-CEO | WordPressMySQLPHP+29 | Top 50M | — | 58 patents Ultrasonic and acoustic sensors for fluid path fault detection and mixture monitoring | — |
| 26 | Hutanbio Developer of carbon-negative biofuel as a direct replacement for fossil fuels | $7M | 23 mo ago | 2 | — | WordPress Block EditorwpBakeryWordPress+28 | Top 50M | — | 5 patents Marine microalgae lipid production bioprocess and photobioreactor hardware | 2 awards |
| 27 | Cheesecake Energy Provider of solutions for compressed air energy storage system | $6M | 38 mo ago | 22 | Seamus Garvey Co-Founder & CTO | WordPress Block EditorElementorWordPress+36 | Top 10M | — | 27 patents Advanced high‑pressure gas storage, thermal salt energy storage, and fast actuator technologies. | — |
| 28 | Trivane Provider of floating wind turbine systems | $4M | 52 mo ago | 1 | — | — | — | — | 11 patents Patents concentrated in transport & manufacturing processes | — |
| 29 | Above Surveying Provider of solar plant lifecycle management using robotics and AI | $4M | 24 mo ago | 54 54 → 94 (+74%) · sector median +36% | Will Hitchcock Founder & CEO | WordPressMySQLRedis+30 | Top 10M | — | 14 patents UAV navigation optimization and solar panel defect detection using aerial inspection algorithms | — |
| 30 | SEaB Developer of energy from micro waste | $4M | 40 mo ago | 6 | Sandra Sassow CEO & Co-Founder | WordPressMySQLPHP+22 | Top 50M | — | — | — |
| 31 | Nova Innovation Provider of submerged turbine systems that are used in tidal energy conversion | $4M | 53 mo ago | 36 36 → 47 (+31%) · sector median +36% | — | Squarespace CommerceSquarespaceTypeScript+15 | Top 10M | — | 21 patents Modular tidal turbine structures and blade designs for marine renewable energy | 1 partnership |
| 32 | Perceptual Robotics Provider of autonomous drone inspections and AI-driven data processing for turbines | $4M | 33 mo ago | 10 10 → 20 (+100%) · sector median +36% | Konstantinos Karachalios Co-Founder & CEO | WordPressMySQLPHP+37 | Top 5M | — | 17 patents Patents concentrated in computing, sensing & instrumentation | — |
| 33 | RheEnergise Developer of high-density hydro long-duration energy storage technology 24Talent top 28%Patents top 38%Moat top 42%Innovation top 48% All 8 signals ▾Talenttop 28% Patentstop 38% Moattop 42% Innovationtop 48% Techbottom 45% Fundingbottom 44% Globalbottom 40% Marketbottom 19% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Patents: 19 patents matched (strict assignee match) · 19 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 24/100 | $3M | 6 mo ago | 10 | Graham Cook Co-Founder & CFO | MyWebsiteDudaMyWebsite Creator+18 | Top 10M | — | 19 patents Patents concentrated in mechanical & energy engineering | — |
| 34 | Wild Hydrogen Provider of hydrogen generation using biomass | $3M | 35 mo ago | 3 | James Milner CEO | — | — | — | 10 patents Biomass gasification technology for producing hydrogen and syngas from organic feedstocks. | 1 launch |
| 35 | Alpha 311 Provider of solutions for portable wind turbine | $3M | 37 mo ago | 1 | Barry Thompson Co-Founder & CEO | Concrete CMSPHPBootstrap+9 | Top 50M | — | 12 patents Small-scale wind turbines for mast-mounted (e.g., street‑lamp) power generation | 1 partnership |
| 36 | Metris Manufacturer of solar energy | $3M | 28 mo ago | — | William Whatley Co-Founder / CTO | ContentfulNode.jsTypeScript+17 | Top 50M | — | 3 patents Optical scanning probe microscopy technologies | 1 job opening |
| 37 | Caldera Provider of industrial heat solutions using on-site solar and storage | $2M | 14 mo ago | 4 | Guy Winstanley Co-Founder & COO | WebflowPlausibleMicrosoft 365+8 | Top 10M | — | — | 1 job opening |
| 38 | Renew Risk Provider of risk modeling and analytics software | $2M | 16 mo ago | 5 | Ashima Gupta Co-Founder & CEO | TypeScriptGraphQLNode.js+7 | Top 50M | — | 3 patents Predictive downtime analytics for asset management using data-driven algorithms | — |
| 39 | ACTIVEWATER TECHNOLOGY Provider of solar-powered water and soil treatment solutions for agriculture | $2M | 35 mo ago | 6 | Zac Gazit CEO & MD | — | — | — | — | — |
| 40 | Kavaken Provider of AI-powered platform optimizing renewable energy asset management and performance | $2M | 23 mo ago | 13 | Bora Tokyay Co-Founder & CEO | Node.jsGoogle CloudExpress+7 | Top 50M | — | — | 1 expansion |
| 41 | Sennen Provider of a renewable energy asset management platform | $2M | 46 mo ago | 16 | — | — | — | — | — | — |
| 42 | Renewabl Provider of renewable energy procurement, data management, and reporting solutions | $1M | 22 mo ago | 2 | Nikolaj Martyniuk Co-Founder | WebflowAmazon Web ServicesHubSpot+18 | Top 50M | — | — | 1 award |
| 43 | GraphEnergyTech Developer of graphene-based electrodes for solar cells, replacing precious metals 21Talent bottom 49%Funding bottom 44%Market bottom 37%Global bottom 37% All 4 signals ▾Talentbottom 49% Fundingbottom 44% Marketbottom 37% Globalbottom 37% Talent: 1 named leader on record · 1 C-suite/founder profile curated Funding: Raised $1.3M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 21/100 | $1M | 22 mo ago | — | Thomas Baumeler Co-Founder & CEO | — | — | — | — | — |
| 44 | Kinewell Energy Developer of the KLOC software 14Partners top 32%Tech top 44%Talent bottom 49%Funding bottom 45% All 8 signals ▾Partnerstop 32% Techtop 44% Talentbottom 49% Fundingbottom 45% Growthbottom 42% Globalbottom 32% Newsbottom 27% Marketbottom 15% Partners: 2 partnership announcements in 12 mo (2 in 24 mo) Tech: 31 technologies across 4/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 14/100 | $1M | 3 mo ago | 1 | Andrew Jenkins Founder & CEO | WordPressMySQLPHP+28 | Top 50M | — | — | 1 job opening · 1 award |
| 45 | Future Greens Provider of modular anaerobic digesters converting food industry waste to energy 29Talent top 28%Funding bottom 46%Market bottom 37%Global bottom 37% All 4 signals ▾Talenttop 28% Fundingbottom 46% Marketbottom 37% Globalbottom 37% Talent: 4 named leaders on record · 4 C-suite/founder profiles curated Funding: Raised $906k across 4 rounds · 4 rounds over 3 yrs (1.3/yr) rank vs industry peers · Fliar Intelligence Index 29/100 | $906K | 6 mo ago | — | Alexander Fleur Co-Founder & Chief Technology Officer | — | — | — | — | — |
| 46 | Lambda Energy Provider of coating solutions for solar panels | $621K | 36 mo ago | 8 | Monica Saavedra Co-Founder | WordPressPleskMySQL+20 | Top 50M | — | — | 1 award |
| 47 | Hydrogen Future Industries Developer of systems for green hydrogen production and energy storage | $587K | 27 mo ago | 5 | Fungai Ndoro Director | WordPressMySQLPHP+17 | Top 50M | — | — | — |
| 48 | Space Solar Developer of space-based solar power technology for clean energy generation 29Growth top 35%Talent top 38%Tech bottom 46%Funding bottom 37% All 6 signals ▾Growthtop 35% Talenttop 38% Techbottom 46% Fundingbottom 37% Globalbottom 30% Marketbottom 25% Growth: Fresh capital in last 24 mo Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 29/100 | $508K | 24 mo ago | — | Sam Adlen Co-Founder & Co-CEO | WordPressMySQLPHP+14 | Top 50M | — | — | 3 job openings · 2 partnerships |
| 49 | Renbee Platform connecting homeowners with installers for home decarbonisation projects | $411K | 22 mo ago | — | Andrei Co-Founder | — | — | — | — | — |
| 50 | Global OTEC Developer of ocean thermal energy conversion technology for clean power | $319K | 28 mo ago | 1 | Dan Grech Founder & CEO | WordPress Block EditorWordPressMySQL+23 | Top 10M | — | — | — |
Top 12 Renewable Energy Tech companies in United Kingdom
#1
Funding Raised · London, England · founded 2024$400Mraised▾
Funding Raised · London, England · founded 2024
Developer of floating LNG assets and renewable energy platforms. It builds, develops, delivers, and leases these assets. The company specializes in battery energy storage systems. It aims to meet the needs of utilities, governments, and independent power producers. The company focuses on redefining energy infrastructure deployment and access in a decarbonizing world.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 27%Patents
top 28%Innovation
top 36%Talent
bottom 49%Global
bottom 43%Funding: Raised $400M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Conventional Debt (Nov 2025)
Patents: 64 patents matched (strict assignee match) · 57 filings since 2022 vs 7 in 2017-21 · Latest publication 2026
Innovation: 64 patents (top 49% of patent-holders) · 57 filings since 2022 vs 7 in 2017-21
Audience (LinkedIn): 1k LinkedIn followers
Activity (LinkedIn): 1 partnerships · 1 expansions (incl. Amogy) announced in 12 mo
Funding rounds
- Nov 2025Conventional Debt$400M
Founders & team
#2
Series A · London, England · founded 2001$47.5Mraised▾
Series A · London, England · founded 2001
Manufacturer of synthetic natural gas using carbon capture and electrolysis. This process utilizes water electrolysis and carbon dioxide capture to produce methane. The resulting fuel serves as a drop-in replacement for conventional natural gas in industrial applications that cannot be powered by electricity. The production method integrates solar energy to facilitate the conversion of captured carbon and hydrogen into fuel.
Fliar Intelligence Index™ 40how this company ranks against its industry peers
Funding
top 35%Growth
top 35%Talent
bottom 49%Global
bottom 45%Market
bottom 37%Tech
bottom 36%Funding: Raised $47.5M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) · Last round Series A (Apr 2026)
Growth: Fresh capital in last 24 mo
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Audience (LinkedIn): 10k LinkedIn followers — 3.7% of this cohort's audience
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Computational Scientist
Activity (LinkedIn): 1 partnerships · 1 expansions (incl. Wales & West Utilities) announced in 12 mo
Funding rounds
- Apr 2026Series A$34M
- Jul 2025Seed$253.8K
- Nov 2024Seed$13.3M
Founders & team
Investors
Plural, 20VC Fund, NFDG, IQ Capital, Fundomo, Bare Metal Ventures
Tech stack
BugherdHstsHttp/3JqueryMysqlNginx
#3
Series D · London, England · founded 2019 · 376 employees$150Mraised▾
Series D · London, England · founded 2019 · 376 employees
Provider of utility management solution. It offers an energy tech platform based on data and machine learning capabilities. It specializes in customer information systems including billing.
Fliar Intelligence Index™ 83how this company ranks against its industry peers
Funding
top 22%Fin. health
top 23%Tech
top 32%Growth
top 33%Talent
top 38%Market
top 41%Funding: Raised $150M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Series D (Dec 2025)
Fin. health: Revenue ~$171M · Revenue 1.1x total funding
Tech: 37 technologies across 5/8 capability areas · Cloud: Amazon Web Services, Cloudflare · Devops: Varnish
Funding rounds
- Dec 2025Series D$150M
Founders & team
Investors
D1 Capital Partners, Fidelity, Durable Capital Partners, Ontario Teachers' Pension Plan, Origin Energy
Tech stack
Amazon Web ServicesApple Icloud MailBootstrapCloudflareCloudflare Bot ManagementCookiebot
#4
Series B · London, England · founded 2021 · 6 employees$16.9Mraised▾
Series B · London, England · founded 2021 · 6 employees
Provider of renewable electricity semiconductors manufacturing services. It operates a platform called renewable energy direct (RED), which connects businesses directly with UK-based renewable energy generators, bypassing traditional energy wholesalers and utilities. This approach eliminates middlemen and associated markups, resulting in lower costs for businesses and more revenue for renewable generators.
Fliar Intelligence Index™ 53how this company ranks against its industry peers
Talent
top 23%Growth
top 28%News
top 32%Funding
top 33%Tech
top 33%Partners
top 45%Talent: 6 named leaders on record · 5 C-suite/founder profiles curated
Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo
News: 4 BI events in 12 mo (of 8 tracked, 3 types) · Top themes: Funding, Capital raise
Audience (LinkedIn): 13k LinkedIn followers — 4.7% of this cohort's audience
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: marketing, data
Activity (LinkedIn): 1 product launches · 1 awards announced in 12 mo
Funding rounds
- Feb 2026Series B$75M
- May 2024Series A$13.7M
- Jun 2023Seed$3.1M
- Dec 2022Seed$3.2M
Founders & team
Investors
Atomicorp, AlbionVC, Revent, Lightspeed Venture Partners, Allianz, Atomico
Tech stack
Amazon SesAmazon Web ServicesApple Icloud MailBootstrapCloudflareCloudflare Bot Management
#5
Series A · Orkney, Scotland · founded 2002 · 41 employees$11.4Mraised▾
Series A · Orkney, Scotland · founded 2002 · 41 employees
Manufacturer of floating tidal stream turbines for generating renewable electricity. These systems utilize underwater rotors to capture energy from moving water currents. The technology converts kinetic energy from tides into electrical power for integration into energy grids. The floating platforms are secured to the seabed using mooring systems to maintain position within high-velocity currents. This equipment provides a consistent supply of power by harnessing predictable tidal movements.
Fliar Intelligence Index™ 24how this company ranks against its industry peers
Moat
top 32%Talent
top 38%Patents
top 39%Tech
top 42%Innovation
top 45%News
top 45%Moat: Editorial + unicorn rating 7/10 · IP moat: 40 patents · 9 curated direct competitors tracked
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Patents: 40 patents matched (strict assignee match) · 22 filings since 2022 vs 18 in 2017-21 · Latest publication 2026
Audience (LinkedIn): 23k LinkedIn followers — 8.2% of this cohort's audience
Funding rounds
- Dec 2025Series A$9.3M
- Jul 2022Series A$8.3M
- Sep 2021Grant (prize money)$12.5M
- Dec 2020Seed$3.1M
Founders & team
Investors
The Scottish National Investment Bank, Abundance, Innovative Finance ISA, Europa, PXN Ventures, Scottish Enterprise
Tech stack
<Model-Viewer>Apache Http ServerBootstrapCdnjsCloudflareCloudflare Bot Management
#6
Series B · Newcastle Upon Tyne, England · founded 2019 · 37 employees$125Mraised▾
Series B · Newcastle Upon Tyne, England · founded 2019 · 37 employees
Manufacturer of hydrogen power units for clean energy generation systems. These units utilize fuel cell technology to convert hydrogen into electricity, providing power for various industrial and commercial applications. The equipment serves as an alternative to traditional diesel generators, producing water and heat as byproducts during operation. The technology supports off-grid power requirements and supplements existing electrical infrastructure. Additional offerings include the supply of hydrogen fuel and infrastructure for refueling operations.
Fliar Intelligence Index™ 53how this company ranks against its industry peers
Funding
top 31%Moat
top 31%Growth
top 34%Tech
top 34%Talent
top 45%Innovation
top 48%Funding: Raised $125M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) · Last round Conventional Debt (Sep 2024)
Moat: Editorial + unicorn rating 8/10 · IP moat: 7 patents · Soonicorn
Growth: Headcount 18 → 37 (+106%) across vintages · Fresh capital in last 24 mo
Audience (LinkedIn): 12k LinkedIn followers — 4.2% of this cohort's audience
Activity (LinkedIn): 1 partnerships (incl. Ballard Power Systems) announced in 12 mo
Funding rounds
- Sep 2024Conventional Debt$29.4M
- Feb 2024Series B$70.7M
- Feb 2023Series A$47.6M
- Feb 2022Series A$4.1M
Founders & team
Investors
GM Ventures, Barclays, SWEN Capital Partners, Siemens Energy, Siemens, BNP Paribas Leasing Solutions
Tech stack
CloudflareCloudflare Bot ManagementCloudflare Browser InsightsCookieyesCore-JsDemandbase
#7
Series A · Oxford, England · founded 2023$19.2Mraised▾
Series A · Oxford, England · founded 2023
Developer of exploration models for identifying natural hydrogen energy resources. This business utilizes scientific research and geochemical analysis to locate subsurface hydrogen accumulations. Technical operations focus on the application of geophysical data and spectrometry to detect trace hydrogen emissions within the crust. These methods support the identification of potential energy sources for industrial feedstock and fuel applications.
Fliar Intelligence Index™ 35how this company ranks against its industry peers
Growth
top 35%Funding
top 42%Talent
bottom 49%Global
bottom 45%Tech
bottom 39%Market
bottom 30%Growth: Fresh capital in last 24 mo
Funding: Raised $19.2M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) · Last round Series A (Jul 2025)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Audience (LinkedIn): 2k LinkedIn followers
Activity (LinkedIn): 2 partnerships (incl. 39Alpha) announced in 12 mo
Funding rounds
- Jul 2025Series A$6.7M
- Dec 2024Series A$8.7M
- Jul 2023Series A$3.9M
Founders & team
Investors
BP Ventures, Rio Tinto, Oxford Science Enterprises, Durham University, University of Oxford
Tech stack
Cart FunctionalityCloudflareCore-JsGoogle Font ApiGoogle Hosted LibrariesHsts
#8
Seed · London, England · founded 2019 · 10 employees$3.2Mraised▾
Seed · London, England · founded 2019 · 10 employees
Developer of high-density hydro long-duration energy storage technology. The company focuses on improving traditional pumped-hydro storage by using a fluid that is denser than water. It operates in the renewable-energy and grid-storage sector, especially long-duration energy storage. It works during low-demand periods, electricity from renewable sources is used to pump the dense fluid uphill into storage tanks. It addresses the need for large-scale, long-duration energy storage to decarbonize energy systems. It provides a low-cost, scalable, and clean solution for balancing intermittent renewable energy sources with demand.
Fliar Intelligence Index™ 24how this company ranks against its industry peers
Talent
top 28%Patents
top 38%Moat
top 42%Innovation
top 48%Tech
bottom 45%Funding
bottom 44%Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Patents: 19 patents matched (strict assignee match) · 19 filings since 2022 vs 0 in 2017-21 · Latest publication 2026
Moat: Editorial + unicorn rating 5/10 · IP moat: 19 patents · 10 curated direct competitors tracked
Audience (LinkedIn): 6k LinkedIn followers — 2.2% of this cohort's audience
Funding rounds
- Dec 2025Seed$158.1K
- Jul 2025Grant (prize money)$2.9M
- Feb 2024Seed$424K
- Mar 2022Seed$1.7M
Founders & team
Investors
Low Carbon Innovation Fund, European Innovation Council, Crowdcube, Liuhe Zhiqian
#9
Series A · London, England · founded 2022 · 7 employees$11.6Mraised▾
Series A · London, England · founded 2022 · 7 employees
Provider of residential solar energy systems through a subscription model. This business installs solar panels and battery storage units for homeowners. The service includes system design, installation, and ongoing maintenance. Customers pay a fixed monthly fee for the equipment and monitoring services. The hardware allows households to generate electricity, store excess power in batteries, and export surplus energy to the electrical grid. The subscription includes equipment replacement and insurance coverage for the duration of the agreement. Homeowners retain ownership of the installed hardware from the start of the contract.
Fliar Intelligence Index™ 57how this company ranks against its industry peers
Tech
top 23%Growth
top 25%News
top 28%Talent
top 38%Funding
top 39%Moat
top 48%Tech: 32 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Ses · Observability: Sentry
Growth: Fresh capital in last 24 mo
News: 6 BI events in 12 mo (of 10 tracked, 2 types) · 6 high-value events (IPO/M&A/funding/contracts) in 12 mo · Top themes: Funding
Audience (LinkedIn): 4k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Operations Associates, SDRs
Activity (LinkedIn): 1 product launches · 1 awards · 1 expansions announced in 12 mo
Funding rounds
- Jul 2025Conventional Debt$133.7M
- Feb 2025Series A$17.4M
- May 2023Seed$6.7M
- Nov 2022Seed$266.8K
Founders & team
Investors
Norrsken VC, Plug and Play Tech Center, IPGL, Clearance Venture Partners, Credit Agricole CIB, Culross Global
Tech stack
Amazon CloudfrontAmazon SesAmazon Web ServicesApolloCloudflareCloudflare Bot Management
#10
Seed · Newcastle Upon Tyne, England · founded 2013 · 1 employees$1Mraised▾
Seed · Newcastle Upon Tyne, England · founded 2013 · 1 employees
Developer of the KLOC software. It provides the proprietary KLOC - kinewell layout optimization of cable software that helps in designing offshore wind inter-array cable layouts.
Fliar Intelligence Index™ 14how this company ranks against its industry peers
Partners
top 32%Tech
top 44%Talent
bottom 49%Funding
bottom 45%Growth
bottom 42%Global
bottom 32%Partners: 2 partnership announcements in 12 mo (2 in 24 mo)
Tech: 31 technologies across 4/8 capability areas · Cloud: Cloudflare · Devops: Nginx
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Audience (LinkedIn): 3k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Modelling & Optimisation Specialist, Research & Development Engineer – Marine Logistics
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Mar 2026Seed$1M
- Mar 2026Grant (prize money)—
Founders & team
Investors
North East Fund
Tech stack
ButtonizerCdnjsCloudflareCloudflare Bot ManagementContact Form 7Cookieyes
#11
Acquired · Bristol, England · founded 2016$39Mraised▾
Acquired · Bristol, England · founded 2016
Technology company that provides sustainable infrastructure solutions. It provides innovative and sustainable infrastructure solutions for the electrification of transportation and energy security. The company offers a range of products, including the solar-powered ebike charging system and the curbside EV charging product line, which combines solar, wind, and utility-generated electricity for charging.
Fliar Intelligence Index™ 74how this company ranks against its industry peers
Growth
top 21%Fin. health
top 28%Funding
top 31%Tech
top 34%Talent
top 38%Market
bottom 46%Growth: Revenue +43% YoY · Fresh capital in last 24 mo
Fin. health: Revenue ~$24.4M · Revenue +43% YoY
Funding: Raised $39.0M across 7 rounds · 7 rounds over 9 yrs (0.8/yr) · Last round Series A (Oct 2024)
Funding rounds
- Oct 2024Series A—
- Jan 2024Series A$380.2K
- Jul 2022Series A$5.3M
- Mar 2022Series A$23.4M
Founders & team
Investors
Future Planet Capital, Legal & General, Equinor, Foresight Group, SDF, Seedrs
#12
Series B · Seaham, England · founded 2012 · 26 employees$32.8Mraised▾
Series B · Seaham, England · founded 2012 · 26 employees
Manufacturer of flexible solar film modules using microgroove technology components. These solar modules utilize mineral based materials to capture energy. The production process involves high speed manufacturing techniques to create lightweight and adaptable solar energy products. These modules are designed for application across various surfaces to generate renewable power.
Fliar Intelligence Index™ 37how this company ranks against its industry peers
Moat
top 29%Product
top 30%Growth
top 32%Patents
top 33%Innovation
top 36%Talent
top 38%Moat: Editorial + unicorn rating 7/10 · IP moat: 110 patents · 10 curated direct competitors tracked
Product: 6 distinct product lines · Company stage: Series B
Growth: Headcount 18 → 26 (+44%) across vintages · Fresh capital in last 24 mo
Audience (LinkedIn): 4k LinkedIn followers
Funding rounds
- Oct 2024Series B$5.6M
- Jul 2023Series B$1.3M
- Feb 2022Series B$6.9M
- Nov 2021Series B$3.4M
Founders & team
Investors
Greenwood Way Capital, Acceleris Capital, Maven Capital Partners, NorthInvest, Green Angel Ventures, Indigo 7 Ventures
Tech stack
BootstrapCart FunctionalityCloudflareGoogle AnalyticsGoogle Analytics Enhanced EcommerceGoogle Cloud
Funding & investor landscape
$1.8Btotal disclosed funding
90companies funded
270disclosed rounds
1rounds last 90 days
Most active investors
Gov14 rounds
Crowdcube6 rounds
Notable founders
Mehmet Katmer
CEO · Kinetics
Harvey Hodd
Founder & CEO · Rivan
Matthew Potts
Co-Founder · Kraken
James Eddison
Co-Founder & CTO · Kraken
Jason Stocks
Co-Founder & CCO · tem
Barry Johnston
Founder · Orbital Marine Power
Andrew Scott
CEO & Director · Orbital Marine Power
Andrew Cunningham
Founder & CEO · GeoPura
Harriet Wakinshaw
Finance Director · GeoPura
Daniel McMahon
Co-Founder & CEO · Snowfox Discovery
Graham Cook
Co-Founder & CFO · RheEnergise
Stephen Crosher
Co-Founder & CEO · RheEnergise
Prism market signals · United Kingdom · country-scoped Prism corpus, 3,808,261 docs
Market landscape — 10 sub-themes by coverage
Share of Renewable Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
RESEARCH SIGNALS · United Kingdom
How research on Green Hydrogen is moving in the United Kingdom
A read on the academic research around Green Hydrogen — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 2,026 United Kingdom-affiliated papers.
research sentiment over time
200820182026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and softening — the enthusiastic (strongly-positive) share moved 75% → 66% across 2008–2026.
top research entities
- Imperial College London174
- University College London109
- Queen's University Belfast90
- University of Oxford90
- University of Cambridge79
leading researchers
Paul T. Williams · Ahmed I. Osman · Ahmed S. Al‐Fatesh · Valerie Dupont · Ahmed A. Ibrahim · Chunfei Wu · Peter T. Clough · Anis H. Fakeeha
▲
Breakthroughs534 · 26%
26%→26% share
▲1.0× share momentum9 median citations67% since 2021mostly methods-led
Electrolysis research is surging — UK papers grew from 3 to 38, signalling rapid catalytic pathway diversification.
rising sub-themes (early→recent)
- Hydrogen production43→187
- Catalysis23→113
- Photocatalysis20→66
- Electrolysis3→38
- Production (economics)3→36
Newly emergingHydrogen economy 0→16 · Hydrogen peroxide 0→11 · Adsorption 0→11
Landmark Highly Efficient Photocatalytic H2 Evolution from Water using Visible Light and Structure‐Controlled Graphiti · 1,138 cites
◆
Advancements1,029 · 51%
▼ 55%→50% share
▼0.9× share momentum9 median citations67% since 2021mostly empirical
Renewable energy integration is intensifying — UK advancement papers rose from 8 to 103 since baseline.
rising sub-themes (early→recent)
- Hydrogen production79→376
- Catalysis60→178
- Renewable energy8→103
- Production (economics)14→109
- Methane16→68
Newly emergingElectricity generation 0→16 · Heterojunction 0→12 · Cost of electricity by source 0→12
Landmark Highly Efficient Visible-Light-Driven Photocatalytic Hydrogen Production of CdS-Cluster-Decorated Graphene Nanosheets · 2,428 cites
▼
Concerns292 · 14%
▲ 10%→17% share
▲1.7× share momentum5 median citations79% since 2021mostly empirical
Fossil fuel dependency concerns are escalating — related UK papers grew from 2 to 31, reflecting decarbonisation urgency.
rising sub-themes (early→recent)
- Hydrogen production18→97
- Renewable energy3→56
- Hydrogen economy5→53
- Hydrogen technologies3→33
- Fossil fuel2→31
Newly emergingWaste management 0→15 · Zero emission 0→8 · Carbon capture and storage (timeline) 0→7
Landmark Hydrogen and fuel cell technologies for heating: A review · 715 cites
RESEARCH HOTSPOTS · United Kingdom
Where green hydrogen is researched across United Kingdom
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
London331 · +0.45
Oxford121 · +0.57
Edinburgh109 · +0.34
Cambridge79 · +0.63
Glasgow79 · +0.51
Manchester74 · +0.45
Birmingham58 · +0.46
Bristol15 · +0.60
PATENT SIGNAL · United Kingdom
Who's filing green hydrogen patents in the United Kingdom
United Kingdom green hydrogen patent filing is accelerating — 5,736 filings from 2,421 assignees (2016–2025), led by Johnson Matthey, Nexeon, Ceres IP; annual filings 496→802.
5,736 filings2,421 assigneespeak 802/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
- Johnson Matthey1533
- Nexeon307
- Ceres IP261
- Compactgtl227
- Johnson Matthey DAVY Technologie218
- Element SIX216
- Intel188
- Paragraf184
Common questions
How many Renewable Energy Tech companies are there in United Kingdom?
Radar tracks 232 indexable Renewable Energy Tech companies headquartered in United Kingdom that meet our profile-completeness bar.
What is the total funding raised by Renewable Energy Tech companies in United Kingdom?
The Renewable Energy Tech companies in United Kingdom on this list have raised a combined $1.8B in disclosed equity funding across 90 funded companies.
Which is the highest-funded Renewable Energy Tech company in United Kingdom?
Kinetics is the highest-funded Renewable Energy Tech company in United Kingdom, with $400M in disclosed equity funding.
How many Renewable Energy Tech companies in United Kingdom are funded?
90 of the 232 Renewable Energy Tech companies in United Kingdom on this list have disclosed at least one equity funding round.
How many Renewable Energy Tech unicorns are there in United Kingdom?
None of the Renewable Energy Tech companies in United Kingdom on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in United Kingdom Renewable Energy Tech companies?
The most active investors in United Kingdom Renewable Energy Tech companies on this list include Europa, Gov, Scottish Enterprise, Greenbackers Investment Capital, EIC Fund.
Riya SenguptaFinancials
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.