Best Energy Storage Tech Companies in Spain
The 82 best Energy Storage Tech companies in Spain in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Zunder.
- Frost & Sullivan
- American Clean Power Association’s (ACP) Q4 2025 Clean Power Quarterly Market Report
Our analysis of 50 Energy Storage Tech companies
$13.7b in tracked funding; 88% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Storage Tech companies in Spain
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Zunder Operator of the electric vehicle charging station | $97M | 22 mo ago | 83 | 2018 | Daniel Pérez Gutiérrez Co-Founder & CEO | WordPressApple iCloud MailMicrosoft 365+33 | — | — |
| 2 | Wallbox Provider of electric-vehicle charging solutions | $70M | 12 mo ago | 1,165 | 2015 | Enric Asuncion Co-Founder & CEO | WordPressApple iCloud MailGoogle Workspace+33 | — | 1 launch · 1 partnership |
| 3 | H2SITE Developer of membrane reactor technology for hydrogen separation and purification | $13M | 17 mo ago | 27 | 2019 | Andrés Galnares Co-Founder & CEO | WordPress Block EditorWordPressMySQL+15 | — | — |
| 4 | V2C Manufacturer of electric vehicle chargers and related energy management software | $11M | 20 mo ago | 47 | 2013 | — | WordPress Block EditorWordPressPlesk+38 | — | — |
| 5 | Jolt Developer of electrodes | $7M | 36 mo ago | — | 2022 | Leon Rizzi Chief Executive Officer | WordPressMySQLPHP+17 | — | — |
| 6 | VEGA Chargers Manufacturer of chargers for electric vehicles | $5M | 15 mo ago | 21 | 2019 | Carlos Alza Co-Founder | — | — | 1 launch |
| 7 | Hysun Technology solution for hydrogen production | $4M | 8 mo ago | — | 2023 | Tatiana Lopez Co-Founder | — | — | — |
| 8 | Gnanomat Developer of advanced materials for energy storage and printed electronics | $3M | 65 mo ago | 9 | 2014 | — | — | 11 patents Nanostructured carbon‑metal‑oxide catalysts for high‑performance metal‑air batteries | — |
| 9 | HESStec Developer of energy storage systems using proprietary power electronics and algorithms | $3M | 12 mo ago | 18 | 2018 | Eugenio Dominguez Amarillo Founder & CEO | WordPressMySQLPHP+17 | — | — |
| 10 | Bold Valuable Technology Provider of electrification technology-based battery system | $2M | 52 mo ago | 105 | 2019 | — | — | — | 1 award |
| 11 | Tecnoturbines Developer of electronic control system based on regenerative braking technology | $2M | 126 mo ago | 4 | 2012 | Jaime Lledo Lara Co-Founder & CEO | WordPressMySQLPHP+22 | 6 patents Hydraulic turbine control systems and devices for regulating turbine operation | — |
| 12 | Millor Battery Developer of Li-ion battery packs | $2M | 54 mo ago | — | 2015 | Baltasar Lopez Jimenez Founder & CEO | — | — | — |
| 13 | Ionly Manufacturer of lithium iron phosphate batteries for residential and industrial use | $1M | 2 mo ago | — | 2024 | Alejandro Desco Co-Founder & CEO | WordPressMySQLPHP+24 | — | — |
| 14 | Gamesa Electric Manufacturer of electrical equipment across various sectors | $1M | 79 mo ago | — | 2004 | Juan Barandiaran CEO & MD | WordPressMySQLPHP+26 | 9 patents Advanced high‑voltage DC‑DC converters and battery‑balancing control for renewable power systems | — |
| 15 | H2Greem Global Solutions Manufacturer of hydrogen generators | $1M | 59 mo ago | — | 2020 | Mario Maroto CEO | WordPress Block EditorElementorWordPress+23 | — | — |
| 16 | Chargy Mobile wireless charging products and business intelligence tool | $1M | 49 mo ago | 12 | 2016 | Hector Morell Co-Founder & COO | WordPressMySQLPHP+28 | — | — |
| 17 | Ampere Energy Developer of lithium based bi directional energy storage systems | $1M | 76 mo ago | 50 | 2015 | — | DrupalPHPThree.js+21 | 5 patents Management software for prosumer distributed energy storage networks and control systems | 1 launch · 1 partnership |
| 18 | BeePlanet Factory Provider of energy storage systems and solutions for various applications | $512K | 18 mo ago | 40 | 2018 | Jon Asin Co-Founder & CEO | Webflowcore-jsjQuery+9 | 8 patents Battery discharge systems and methods for battery characterization and performance testing. | 1 expansion |
| 19 | Fuelium Developer of paper-based batteries for sustainable, self-powered disposable electronic devices | $378K | 59 mo ago | 15 | 2015 | Sergi Gasso Co-Founder | — | 21 patents Patents concentrated in computing, sensing & instrumentation | — |
| 20 | Build to Zero Provider of thermal energy storage solution | $311K | 44 mo ago | 12 | 2022 | Miguel Méndez Trigo CEO | WordPressMySQLPHP+11 | 9 patents Molten‑salt high‑temperature thermal energy storage systems and modules. | — |
| 21 | Circontrol Electric vehicle charging solutions | $226K | 76 mo ago | — | 1997 | John Hinojo Co-Founder & General Manager | WordPress Block EditorWordPressMySQL+21 | 9 patents Vehicle detection sensors for parking occupancy monitoring and fire‑safety installations. | 1 expansion |
| 22 | Place to Plug Offering platform for EV drivers to connect to charging socket providers | $135K | 82 mo ago | 6 | 2015 | — | GraphQLTypeScriptNode.js+19 | — | — |
| 23 | Electromaps Provider of application for locating and activating electric vehicle charging stations | $117K | 72 mo ago | 8 | 2010 | — | Cart FunctionalityShopifySalesforce+27 | — | — |
Top 12 Energy Storage Tech companies in Spain
#1
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
#2
Seed · Spain · founded 2024$1.4Mraised▾
Manufacturer of lithium iron phosphate batteries for residential and industrial use. The company provides battery solutions designed for safety, efficiency, and alignment with European standards. These batteries offer thermal stability and extended lifecycles. The company focuses on design, modular assembly, and repairable architecture.
- Mar 2026Seed$1.4M
#3
Series C · Palencia, Castile and Leon · founded 2018 · 83 employees$97.1Mraised▾
Operator of the electric vehicle charging station. Its mobile app allows users to charge the electric vehicle without the need for physical registration. Its mobile app is available for iOS and Android devices.
- Jul 2024Conventional Debt$244.2M
- Feb 2023Conventional Debt$43M
- Oct 2022Series C$97.1M
#4
Series A · Madrid, Community of Madrid · founded 2023$3.5Mraised▾
Technology solution for hydrogen production. It uses photo-thermo-catalyst and concentrated solar energy technology to create sustainable hydrogen.
- Oct 2025Series A$3.5M
- Jul 2024Seed—
#5
Series B · Biscay, Basque Country · founded 2019 · 27 employees$13.2Mraised▾
Developer of membrane reactor technology for hydrogen separation and purification. The company’s technology facilitates hydrogen extraction from various sources, including ammonia, methanol, and syngas. It also filters hydrogen mixed with other gases in storage infrastructure. The membrane reactors enable hydrogen absorption with high purity and conversion efficiency.
- Jan 2025Series B$37.1M
- Jun 2022Series A$13.2M
- May 2020Grant (prize money)$152.4K
- Apr 2020Grant (prize money)$593.1K
#6
Series B · Paterna, Valencian Community · founded 2018 · 18 employees$2.8Mraised▾
Win Inertia designs and develops energy storage solutions based on proprietary power electronics, energy storage systems such as batteries & ultracapacitors, and patented energy management algorithms. Can be used for remote off-grid installations, defense, cell mobile stations, and broadcasting applications.
- Jun 2025Series B$13.6M
- Jun 2021Series A$2.8M
- Jan 2021Grant (prize money)$383.9K
#7
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
#8
Series A · Xirivella, Valencian Community · founded 2013 · 47 employees$10.9Mraised▾
Manufacturer of electric vehicle chargers and related energy management software. The company produces chargers suitable for various electric vehicles. It offers devices for home, business, and public spaces. The business also provides software for efficient energy management and payment systems. It connects users with installers and offers training resources.
- Oct 2024Series A$5.4M
- Dec 2023Series A$4.4M
#9
Series A · Noain, Navarre · founded 2018 · 40 employees$512.5Kraised▾
Provider of energy storage systems and solutions for various applications. The company offers battery-based energy storage with technology integration and professional support. Solutions include systems for industry, commerce, charging infrastructure, and hybrid power plants. The company provides modular, flexible, and containerized systems, along with an energy management system.
- Dec 2024Series A$5.3M
- Nov 2020Seed$179.4K
- Jun 2020Seed$57.4K
- Mar 2020Seed$275.6K
#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
Acquired · Madrid, Community of Madrid · founded 2014 · 9 employees$3.3Mraised▾
Developer of advanced materials for energy storage and printed electronics. The company focuses on manufacturing and commercializing materials for various industrial sectors. It leverages its carbon-hybrid materials platform to address industrial challenges. The company extends application potential with new technologies and products. It offers collaboration opportunities to co-develop solutions.
- Jan 2021Grant (prize money)$437.8K
- Nov 2018Grant (prize money)$1.4M
- Dec 2016Grant (prize money)$1.3M
- Jul 2016Grant (prize money)—
#12
Seed · Montmelo, Catalonia · founded 2019 · 105 employees$2.3Mraised▾
Provider of electrification technology-based battery system. It offers electrification technology-based battery system for racing cars, marine, and more.
- Feb 2022Seed$2.3M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Storage Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in Spain
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,116 Spain-affiliated papers.
- Universitat Politècnica de Catalunya95
- Universidad de Sevilla84
- CIC energiGUNE72
- Universidad Politécnica de Madrid63
- University of the Basque Country59
- Battery (electricity)2→66
- Renewable energy3→54
- Electrolyte3→45
- Electrochemistry2→37
- Supercapacitor6→36
- Renewable energy9→134
- Battery (electricity)7→77
- Photovoltaic system5→59
- Electrochemistry2→47
- Electricity3→42
- Renewable energy1→34
- Battery (electricity)3→23
- Thermal energy storage1→12
- Electrolyte3→13
- Photovoltaic system1→11
Where energy storage is researched across Spain
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.
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.