Best Energy Tech Companies in Edinburgh, United Kingdom
The 40 best Energy Tech companies in Edinburgh, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Fidra Energy.
Our analysis of 58 Energy Tech companies
$7.3b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Edinburgh
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Fidra Energy Developer and operator of battery energy storage projects 29Funding top 18%Talent bottom 49%Tech bottom 47%Global bottom 45% All 5 signals ▾Fundingtop 18% Talentbottom 49% Techbottom 47% Globalbottom 45% Marketbottom 25% Funding: Raised $603M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 29/100 | $603M | 11 mo ago | — | Chris Elder CEO | WordPress Site EditorWordPressApple iCloud Mail+24 | Top 50M | — | — |
| 2 | Pelamis Wave Power Operator of digital platforms providing online card and slot games | $44M | 213 mo ago | 51 | Richard Yemm Founder & CEO | — | — | 29 patents Wave energy conversion devices and marine power transmission/connection systems. | — |
| 3 | Faraday Grid Offering autonomous and responsive transformer like solution | $33M | 91 mo ago | 6 | — | — | — | 27 patents Patents concentrated in computing, sensing & instrumentation | — |
| 4 | Enoda Developer of integrated platform solutions for electricity system stability | $31M | 40 mo ago | 59 | — | Cart FunctionalitySquarespace CommerceSquarespace+17 | Top 10M | 39 patents Advanced power electronics: high‑efficiency converters, magnetic core designs, and electro‑chemical rotary devices | 1 internship · 2 partnerships · 1 award |
| 5 | Sunamp Manufacturer of thermal energy storage solutions for homes and buildings | $30M | 45 mo ago | 54 54 → 68 (+26%) | Susan Lang-bissell Co-Founder & COO | WordPressMySQLPHP+32 | Top 5M | 199 patents Advanced phase‑change thermal energy storage materials and nucleation‑controlled PCM systems | — |
| 6 | MicroEmissive Displays Group Polymer organic light emitting diode technology provider | $23M | 227 mo ago | 38 | Bill Campbell ex-CEO | — | — | 34 patents Patents concentrated in electrical & electronics | — |
| 7 | Logan Energy Provider of integrated solutions for hydrogen refuelling, production, and energy applications 22Growth top 35%Funding top 46%Global bottom 36%Tech bottom 35% All 5 signals ▾Growthtop 35% Fundingtop 46% Globalbottom 36% Techbottom 35% Marketbottom 22% Growth: Fresh capital in last 24 mo Funding: Raised $15.9M across 5 rounds · 5 rounds over 18 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 22/100 | $16M | 13 mo ago | 22 | — | WordPressBugHerdMySQL+19 | Top 50M | — | 2 job openings · 2 partnerships |
| 8 | Dukosi Developer of cell monitoring systems for electric vehicles and energy storage | $12M | 82 mo ago | 63 63 → 110 (+75%) | — | SentryUmamiHSTS+2 | Top 50M | 170 patents Battery management, monitoring, and communication systems for electric battery packs | 1 partnership |
| 9 | LUX Assure Chemical monitoring technology for oil and gas industry | $9M | 122 mo ago | 16 | — | — | — | 17 patents Chemical analysis and detection of additives/biocides in oil and gas production fluids | — |
| 10 | StorTera Provider of solutions for single liquid flow battery | $5M | 45 mo ago | 4 | — | ShopifyZohoPhotoSwipe+13 | Top 50M | 3 patents Advanced flow battery chemistries and lossless active buck balancing BMS for energy storage | 1 launch |
| 11 | Gravitricity Provider of gravity-based energy storage system | $5M | 27 mo ago | 15 | Peter Fraenkel Co-Founder | WordPress Block EditorWordPressMySQL+20 | Top 10M | 39 patents Gravity-based vertical shaft energy storage using compressed gas as weight. | — |
| 12 | Nova Innovation Provider of submerged turbine systems that are used in tidal energy conversion | $4M | 56 mo ago | 36 36 → 47 (+31%) | — | Squarespace CommerceSquarespaceTypeScript+15 | Top 10M | 21 patents Modular tidal turbine structures and blade designs for seabed‑mounted marine power generation. | — |
| 13 | Forev Operator of electric vehicle charging solutions for fleets and public sites | $3M | 61 mo ago | 6 | Lindsay Wallace Founder | WordPressMySQLPHP+25 | Top 10M | — | — |
| 14 | Cognitive Geology Geological property modelling software for oil exploration activities | $3M | 106 mo ago | 20 | Luke Johnson Founder & CEO | — | — | 9 patents Geological data processing and predictive analytics for subsurface resource assessment | — |
| 15 | Snugg Provider of home energy efficiency solutions | $1M | 28 mo ago | 7 | Robin Peters Co-Founder & CEO | WebflowAmazon Web ServicesSlick+15 | Top 5M | — | — |
| 16 | AI Exploration Developer of sensors and analytics for the energy sector | $1M | 29 mo ago | 6 | — | — | — | — | — |
| 17 | NetThings Developer of energy management platform | $1M | 128 mo ago | 30 30 → 30 (+0%) | — | — | — | 7 patents Building automation: HVAC heating control and resource monitoring sensor systems | 1 launch |
| 18 | Flexitricity Provider of demand response services to National Grid in Britain | $649K | 95 mo ago | 48 48 → 105 (+119%) | Alastair Martin Chief Strategy Officer | Node.jsYouTubeReact+12 | Top 50M | 4 patents Energy market data aggregation and trading platform software | 1 job opening · 1 launch · 2 partnerships |
| 19 | Albatern WEC based on point absorbers with array structure | $616K | 138 mo ago | 5 | David Findlay Founder & CTO | — | — | 13 patents Wave energy conversion systems and modular arrays for harvesting ocean wave power | — |
| 20 | OnGen Online tool to assess solar assets for organizations and small businesses | $356K | 122 mo ago | 4 | — | — | — | — | — |
| 21 | See Byte Develops software for unmanned vehicles, field technology and offshore engineering | — | 133 mo ago | 74 74 → 103 (+39%) | Chris Haworth Chief Executive Officer | Craft CMSPleskPHP+15 | Top 50M | — | — |
Top 12 Energy Tech companies in Edinburgh
#1
Series D · Edinburgh, Scotland · founded 2024$602.7Mraised▾
Developer and operator of battery energy storage projects. These systems support the transition toward renewable energy generation by providing capacity to balance electricity systems. The business focuses on the development, construction, and operation of large scale storage infrastructure to enable the integration of renewable power sources into the grid.
- Sep 2025Series D$602.7M
#2
Series A · Edinburgh, Scotland · founded 2005 · 22 employees$15.9Mraised▾
Provider of integrated solutions for hydrogen refuelling, production, and energy applications. The company engineers, designs, builds, and maintains hydrogen and energy projects. It delivers hydrogen fuelling systems, energy solutions, and hydrogen hubs across multiple industries. These installations help decarbonise transport, industry, agriculture, buildings, and the energy sector.
- Jul 2025Series A$2.8M
- Oct 2024Series A$4M
- Oct 2023Series A$6.3M
- Nov 2019Seed$1.3M
#3
Seed · Edinburgh, Scotland · founded 2011 · 15 employees$5Mraised▾
Provider of gravity-based energy storage system. It uses the power of gravity to store energy for network-constrained users and operators, in distribution networks. It also provides grid services and hydrogen-based energy storage.
- Jun 2024Seed$820.8K
- May 2023Seed$1M
- Nov 2022Grant (prize money)$232K
- Feb 2022Grant (prize money)$1.2M
#4
Series A · Edinburgh, Scotland · founded 2021 · 59 employees$30.9Mraised▾
Developer of integrated platform solutions for electricity system stability, capacity, and resilience. It offers hardware and software solutions for grid reinforcement and system balancing, enabling the transition to service-oriented network designs. These solutions utilize distributed control protocols to coordinate devices within a network, delivering on-target frequency and reducing system losses. The company also develops technologies to increase the capacity of distribution grids for renewable generation, making them the center of system stability. A key focus is on enabling the use of green hydrogen as a viable fuel for decarbonization.
- Apr 2023Series A$24.9M
- Jun 2022Seed$6M
- May 2022Seed$623.7K
- Dec 2021Seed—
#5
Series B · Edinburgh, Scotland · founded 2006 · 54 employees$30.4Mraised▾
Manufacturer of thermal energy storage solutions for homes and buildings. The company develops thermal batteries that store and discharge heat for hot water, heating, and cooling. These thermal storage solutions integrate with renewable energy sources and grid electricity. The products are designed to be energy-dense and space-saving compared to conventional systems.
- Nov 2022Grant (prize money)$11.2M
- Sep 2021Series B$8.2M
- Oct 2020Grant (prize money)$588.6K
- Aug 2020Series A$5.9M
#6
Seed · Edinburgh, Scotland · founded 2022 · 7 employees$1.4Mraised▾
Provider of home energy efficiency solutions. It is a platform that focuses on making home energy efficiency simple and affordable. They provide a list of energy efficiency measures that can be implemented in homes to improve energy efficiency.
- May 2024Seed$324.6K
- Jan 2024Grant (prize money)$2.5M
- Jun 2023Seed$777.7K
- Jun 2022Seed$1.5M
#7
Seed · Edinburgh, Scotland · founded 2018 · 6 employees$1.4Mraised▾
Developer of sensors and analytics for the energy sector. It provides sensors that integrate into industrial processes for real-time insights. The sensors help to optimize production, reduce emissions, and prevent corrosion. Data from multiple sensors is aggregated and analyzed. The analyzed data is visualized to give insights into the industrial process.
- Mar 2024Seed$252K
- Oct 2023Seed$242.4K
- Jan 2023Seed$331.3K
- Mar 2022Seed$352.6K
#8
Funding Raised · Edinburgh, Scotland · founded 2013 · 4 employees$5.2Mraised▾
Provider of solutions for single liquid flow battery. It provides a single liquid flow battery that uses graphite-sulfur battery chemistry and only a single tank of catholyte liquid. Its other products include StorTower, a versatile energy storage system that combines intelligent hybrid inverter technology, and emergency Energy BackPack, a portable battery backpack system.
- Nov 2022Grant (prize money)$5.2M
#9
Deadpooled · Edinburgh, Scotland · founded 1998 · 51 employees$43.6Mraised▾
Operator of digital platforms providing online card and slot games. These platforms facilitate access to various virtual betting activities including card games, slot machines, and simulated casino environments. Users interact with software interfaces to participate in digital wagering activities through web and mobile applications. The systems utilize random number generation to determine outcomes for the available gaming options.
- Nov 2008Series B$7.9M
- 2006Series B$24M
- Mar 2002Series A$8.6M
#10
Deadpooled · Edinburgh, Scotland · founded 2016 · 6 employees$32.5Mraised▾
The Faraday Grid has developed solutions for existing electricity networks to allow a much greater and more efficient use of renewable energy. It has designed a hardware device that replaces transformers in existing electricity grids and enables more volatile and distributed energy sources to generate and dispatch electricity without disrupting the operation of the grid in delivering electricity to the user. The Faraday Grid is an autonomous, responsive, electrical meta-network, agnostic to generation and consumption, with its own inertia, enabling more productive, resilient and stable electricity transfer.
- Jan 2019Angel$32.5M
- Aug 2018Grant (prize money)—
#11
Acquired · Edinburgh, Scotland · founded 2003 · 63 employees$12.3Mraised▾
Developer of cell monitoring systems for electric vehicles and energy storage. The company's technology provides cell-level data and monitoring for battery systems. It focuses on improving battery safety, reliability, and manufacturing efficiency. The systems are designed for integration into battery packs and battery management systems.
- Oct 2019Series A$934.3K
- Aug 2018Series A$2.8M
- Feb 2017Series A$2.5M
- Nov 2015Series A$1.9M
#12
Series A · Edinburgh, Scotland · founded 2010 · 36 employees$3.7Mraised▾
Provider of submerged turbine systems that are used in tidal energy conversion. The company designs, builds, installs, commissions, and operates tidal energy projects. The Nova M100 tidal turbine builds on the design, manufacture, testing, and deployment of the device which is deployed under the seawater to generate energy and supply to the local grid.
- Dec 2021Series A$2.6M
- Nov 2021Grant (prize money)$266.4K
- Sep 2021Conventional Debt$8.9M
- Aug 2021Grant (prize money)$2.8M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Storage in Edinburgh is moving
A read on the academic research around Energy Storage in Edinburgh — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 64 papers.
- University of Edinburgh40
- Edinburgh Napier University19
- Zhejiang University-University of Edinburgh Institute6
- Edinburgh Instruments1
- Edinburgh College1
- Energy (signal processing)3
- Renewable energy2
- Electrochemistry2
- Supercapacitor2
- Electrolyte2
- Supercapacitor6
- Renewable energy5
- Grid4
- Electric power system4
- Energy (signal processing)4
- Renewable energy7
- Hydrogen storage3
- Software deployment2
- Hydrogen2
- Fossil fuel2
Common questions
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.