Best Energy Tech Companies in Barcelona, Spain
The 77 best Energy Tech companies in Barcelona, Spain in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Submer.
Our analysis of 287 Energy Tech companies
$109.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Barcelona
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Submer Manufacturer of liquid cooling systems for high density server hardware | $90M | 18 mo ago | Series C | 108 | Daniel Pope Co-Founder & CTO | WordPressMySQLPHP+23 | 3 patents Liquid cooling solutions for high‑performance computing hardware | 1 launch |
| 2 | Stark Future Manufacturer of electric motorcycles, dirt bikes, and performance bikes | $80M | 9 mo ago | Series A | 60 | Gary Velasquez Co-Founder & CEO | Cart FunctionalitySentryZendesk+17 | 33 patents Battery containment, safety valves, and chain tensioning for electric vehicle power systems | 1 partnership |
| 3 | Wallbox Provider of electric-vehicle charging solutions | $70M | 12 mo ago | Public | 1,165 | Enric Asuncion Co-Founder & CEO | WordPressApple iCloud MailGoogle Workspace+33 | — | 1 launch · 1 partnership |
| 4 | Ray Electric Motors Manufacturer of electric scooters | $23M | 42 mo ago | Series A | 27 | Juan Maso Co-Founder | — | — | — |
| 5 | Reby Provider of electric two-wheeler rental services | $18M | — | Acquired | 98 | Cristina Cerda Co-Founder | — | — | — |
| 6 | WtE-As Provider of solutions to convert waste into fuel | $12M | 4 mo ago | Series B | 5 | Andres Ponce Founder & CEO | WordPressMySQLPHP+16 | — | — |
| 7 | YEGO App-based platform offering electric scooter rental services | $9M | 71 mo ago | Series A | 63 | — | Apple iCloud MailGoogle WorkspaceNode.js+15 | — | 1 expansion |
| 8 | Delfos Software technology for monitoring renewable energy products | $8M | 3 mo ago | Seed | — | Samuel Lima Co-Founder & CTO | WebflowAmazon Web ServicesGSAP+22 | — | 1 launch |
| 9 | Jolt Developer of electrodes | $7M | 36 mo ago | Series A | — | Leon Rizzi Chief Executive Officer | WordPressMySQLPHP+17 | — | — |
| 10 | EQTEC | $6M | 28 mo ago | Public | 30 | David Palumbo CEO | WordPressMySQLPHP+19 | — | — |
| 11 | Cooltra App-based rental platform providing self-drive electric motorized two-wheeler | $6M | 74 mo ago | Series A | 400 | Dr. Henrik Sprengel Co-Founder | WordPressZohoSalesforce+36 | — | 1 partnership · 1 expansion |
| 12 | Enertika Provider of website hosting and domain name services. This company offers website hosting plans designed for… | $6M | 108 mo ago | Series A | 86 | — | — | — | — |
| 13 | VEGA Chargers Manufacturer of chargers for electric vehicles | $5M | 15 mo ago | Series A | 21 | Carlos Alza Co-Founder | — | — | 1 launch |
| 14 | Wattwin Provider of project management software for renewable energy businesses | $3M | 16 mo ago | Series A | 85 | Joan Ferrer Co-Founder & CEO | WordPressApple iCloud MailMicrosoft 365+30 | — | — |
| 15 | S&C SaaS-driven energy management solutions for commercial spaces | $3M | 61 mo ago | Funding Raised | — | Narcis Avellana Co-Founder & CEO | — | — | — |
| 16 | Ledmotive Connected intelligent LED lightning solution | $2M | 86 mo ago | Series A | 6 | Meritxell Molins Co-Founder & CEO | — | — | — |
| 17 | Swipcar Online platform offering car subscription services | $2M | 69 mo ago | Acquired | 100 | Pablo Vazquez Co-Founder | SentryNode.jsstyled-components+14 | — | — |
| 18 | Tecnoturbines Developer of electronic control system based on regenerative braking technology | $2M | 126 mo ago | Funding Raised | 4 | Jaime Lledo Lara Co-Founder & CEO | WordPressMySQLPHP+22 | 6 patents Hydraulic turbine control systems and devices for regulating turbine operation | — |
| 19 | Millor Battery Developer of Li-ion battery packs | $2M | 54 mo ago | Funding Raised | — | Baltasar Lopez Jimenez Founder & CEO | — | — | — |
| 20 | Dexma Provider of cloud-based energy management and analytics solutions | $1M | 69 mo ago | Acquired | 70 | Guillem Corominas Co-Founder | WordPressMySQLPHP+40 | — | — |
| 21 | Rayvolt Bike Smart electric bicycle developer | $993K | 38 mo ago | Funding Raised | 12 | — | Cart FunctionalityShopifyVisa+22 | — | — |
| 22 | Roomonitor Guest management app for accommodation providers | $766K | 102 mo ago | Seed | 33 | Eduardo Suarez Co-Founder | WordPressBetterDocsZoho+46 | — | — |
| 23 | Fuelium Developer of paper-based batteries for sustainable, self-powered disposable electronic devices | $378K | 59 mo ago | Funding Raised | 15 | Sergi Gasso Co-Founder | — | 21 patents Patents concentrated in computing, sensing & instrumentation | — |
| 24 | Smalle Technologies Provider of real-time fish farm monitoring solutions | $279K | 81 mo ago | Seed | 5 | — | — | — | — |
| 25 | OpenDomo Services Energy management system for homes and industries | $240K | 128 mo ago | Deadpooled | 3 | Elisabet Cuenca Co-Founder & CEO | — | — | — |
| 26 | Wattabit Energy Management Solution for Industries | $160K | 106 mo ago | Funding Raised | 1 | — | WordPressMySQLPHP+22 | — | — |
| 27 | Ohmvo Provider of thin silicone heating mats | $111K | 72 mo ago | Funding Raised | — | Jose Llaurado CEO | WordPressMySQLPHP+20 | — | — |
Top 12 Energy Tech companies in Barcelona
#1
Series A · Barcelona, Catalonia · founded 2019 · 60 employees$79.8Mraised▾
Manufacturer of electric motorcycles, dirt bikes, and performance bikes. The company designs, develops, and manufactures high-performance electric motorcycles using cutting-edge technology. It offers a range of models including motocross, supermoto, and enduro bikes. The business provides parts, accessories, technical support, and tutorials.
- Sep 2025Series A$19.9M
- Apr 2024Series A$26.6M
- Jun 2023Conventional Debt$21.9M
- Dec 2022Series A$53.2M
#2
Seed · Barcelona, Catalonia · founded 2016$8.2Mraised▾
Software technology for monitoring renewable energy products. It is a software technology company that specializes in providing AI based monitoring solutions for solar, wind, and hydro power plants. The software enables smart and predictable renewable energy production by predicting failures and optimizing performance.
- Mar 2026Seed$3.5M
- Jan 2024Seed$6.9M
- Apr 2021Seed$905.2K
- Feb 2019Seed$409.6K
#3
Public · Barcelona, Catalonia · founded 2015 · 1165 employees$70.2Mraised▾
Provider of electric-vehicle charging solutions. It designs and manufactures electric-vehicle plug-in charging solutions for personal and commercial purposes. It offers various products offers compact charging solutions for cars, and copper can be used for commercial purposes and semi-public use. It offers touchscreen-enabled charging solutions at corporate parking and others. The mobile application is available for android users.
- Jun 2025Post IPO$5M
- Feb 2025Post IPO$10M
- Jul 2024Post IPO$45M
- Dec 2023Post IPO$31.5M
#4
Series B · Barcelona, Catalonia · founded 2017 · 5 employees$11.8Mraised▾
Provider of solutions to convert waste into fuel. Its thermochemical conversion technology generates clean energy from waste feedstocks. The process takes place in a bubbling fluidized bed gasifier, where fuel and fluidizing agents react under auto thermal reduction conditions to generate synthesis gas. This gas is then treated by the WtEnergy-AS reforming process to remove all contaminants present in the residue.
- Feb 2026Series B$11.8M
- Dec 2022Series A—
#5
Series C · Barcelona, Catalonia · founded 2015 · 108 employees$89.5Mraised▾
Manufacturer of liquid cooling systems for high density server hardware. These products facilitate thermal management for computing infrastructure through immersion and direct chip cooling technologies. The hardware supports heat removal from processors to maintain operational stability in data processing environments. The systems are designed to integrate with existing server racks and cooling infrastructure to manage heat output from high performance computing components.
- Dec 2024Conventional Debt$20.9M
- Oct 2024Series C$55.5M
- Jan 2022Series C$34M
- Sep 2020Series A$12M
#6
Series A · Barcelona, Catalonia · founded 2019 · 21 employees$5.4Mraised▾
Manufacturer of chargers for electric vehicles. It provides DC fast chargers of various power outputs. It offers charging solutions for various locations such as shopping centers, events, cinemas, theaters, and parking lots.
- Mar 2025Series A$5.4M
#7
Series A · Barcelona, Catalonia · founded 2018 · 85 employees$3.1Mraised▾
Provider of project management software for renewable energy businesses. This software streamlines the design, sales, installation, and administrative processes for solar, geothermal, and electric mobility projects. It offers integrated tools for engineering calculations, proposal generation, project scheduling, and client communication. The platform automates tasks, improves efficiency, and provides real-time project tracking. Features include automated quoting, detailed budgeting, and centralized product catalogs. The software facilitates collaboration among engineering, sales, and installation teams, improving overall project management.
- Feb 2025Series A$3.1M
#8
Public · Barcelona, Catalonia · founded 2005 · 30 employees$6.4Mraised▾
- Feb 2024Post IPO$631.3K
- Mar 2023Post IPO$4.3M
- Nov 2022Post IPO$1.5M
- Nov 2022Conventional Debt—
#9
Series A · Barcelona, Catalonia · founded 2019 · 27 employees$23.1Mraised▾
Manufacturer of electric scooters. The company designs and develops electric scooters that include a range of up to 175 km, weight up to 90 kgs, velocity up to 100 km/h, etc.
- Dec 2022Series A$21M
- Dec 2020Seed$2.1M
#10
Series A · Barcelona, Catalonia · founded 2022$6.7Mraised▾
Developer of electrodes. It uses SPARKFUSE technology for the production of electrodes. The SPARKFUSE solution is also used in commercial stacks for alkaline electrolyers (AWE) and Anion Exchange Membrane (AEM) electrolysers.
- Jun 2023Series A$6.7M
#11
Series A · Barcelona, Catalonia · founded 2016 · 63 employees$9Mraised▾
App-based platform offering electric scooter rental services. The platform enables users to find, locate, unlock the vehicles by using the mobile application. It offers electric scooters, kick scooters, bicycle rental services. It offers features like variant payment options, eco-friendly rides, and more. Also, it extends its service to businesses. At the end of the ride, users can park the vehicle at a convenient location without intruding pedestrian access. The mobile app is available for both Android and iOS platforms.
- Jul 2020Series A$8.5M
- May 2018Seed$480.9K
#12
Acquired · Barcelona, Catalonia · founded 2018 · 98 employees$17.9Mraised▾
Provider of electric two-wheeler rental services. It offers a mobile app that allows users to book and rent electric two-wheelers like scooters, bicycles, and kick-scooters. Mobile applications are available on android and iOS platforms.
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 Barcelona is moving
A read on the academic research around Energy Storage in Barcelona — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 65 papers.
- Universitat de Barcelona34
- Institut de Ciència de Materials de Barcelona25
- Universitat Autònoma de Barcelona5
- Institut de Nanociència i Nanotecnologia de la Universitat de Barcelona5
- Institut de Microelectrònica de Barcelona3
- Context (archaeology)4
- Electrochemistry3
- Etching (microfabrication)3
- Nanowire3
- Silicon nanowires3
- Renewable energy1→4
- Electrochemistry3
- Carnot cycle2
- Reliability (semiconductor)2
- Instrumentation (computer programming)2
- Task (project management)2