Best Energy Companies in Catalonia, Spain
The 54 best Energy companies in Catalonia, Spain in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: SolarMente.
Our analysis of 441 Energy companies
$135.1b in tracked funding; 76% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Catalonia
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SolarMente Provider of solar panel installation services | $55M | 28 mo ago | Seed | Victor Gardrinier Co-Founder | 2019 | WordPressMySQLPHP+30 | — | — |
| 2 | Holaluz Power retailing company | $28M | 19 mo ago | Public | Oriol Vila Co-Founder & CEO | 2010 | Node.jsGoogle MapsVue.js+26 | — | — |
| 3 | Sunhero Provider of solar panel installation services | $15M | 33 mo ago | Series A | Stefan Braun Co-Founder | 2021 | SentryUnbounceTypeScript+24 | — | — |
| 4 | Amelia Offering drone-powered data management and AI-driven analytics for solar energy | $6M | 4 mo ago | Series A | Bernardo Pereira Co-Founder & CEO | 2015 | WordPressMySQLPHP+26 | — | 1 job opening |
| 5 | Solfy Online marketplace for self-consumption of solar energy, enabling individuals and businesses to produce their… | $1M | 10 mo ago | Seed | Guillermo Gallegos Co-Founder | 2022 | WordPress Block EditorWordPressMySQL+35 | — | — |
| 6 | Aerox Polymer solutions for application in wind energy sector | $597K | 77 mo ago | Seed | — | 2014 | WordPressMySQLPHP+17 | — | — |
| 7 | SIARQ Developer of solar lighting solutions with integrated environmental sensors | $483K | 94 mo ago | Funding Raised | Alessandro Caviasca Co-Founder & CEO | 2003 | — | — | — |
| 8 | teknoCEA Manufacturer of power converter, control board, testing & repairing equipment | $216K | 31 mo ago | Seed | — | 2012 | — | — | — |
| 9 | Proton Future Developer of solar renewable energy power projects | $109K | 74 mo ago | Funding Raised | Miquel Jove CEO | 2015 | — | 22 patents Patents concentrated in health & consumer products | — |
Top 12 Energy companies in Catalonia
#1
Series A · Sant Feliu de Llobregat, Catalonia · founded 2015$5.8Mraised▾
Offering drone-powered data management and AI-driven analytics for solar energy. It provides an online platform that integrates software and drones to enhance efficiency and reduce costs in various sectors such as mining, construction, and renewable energy. Their solution facilitates the capturing and analysis of visual data.
- Mar 2026Series A$5.8M
- Mar 2026Grant (prize money)—
- Mar 2026Conventional Debt—
#2
Public · Barcelona, Catalonia · founded 2010 · 287 employees$28Mraised▾
Holaluz supplies electric power to residential and small-medium enterprises in Spain. Claims to manage complete services through online and supply 100% renewable energy. Purchases power from renewable projects through physical bilateral contracts. Other services are natural gas supply, installation of e-vehicle charging station, installation of solar system and energy storage systems.
- Nov 2024Post IPO$15.8M
- Jan 2022Post IPO$7.6M
- Sep 2021Grant (prize money)$138.3K
- Feb 2016Series A$4.3M
#3
Seed · Barcelona, Catalonia · founded 2022 · 8 employees$1.1Mraised▾
It is a company that operates as a marketplace for the self-consumption of solar energy. They provide personalized photovoltaic installation services for homes and businesses.
- Sep 2025Seed$4.7M
- Sep 2023Seed$1.1M
- 2022Seed$1.1M
#4
Seed · Barcelona, Catalonia · founded 2019 · 32 employees$55.2Mraised▾
Provider of solar panel installation services
- Mar 2024Seed—
- Apr 2023Seed$55.1M
- Sep 2021Seed$125K
- 2020Seed—
#5
Series A · Barcelona, Catalonia · founded 2021 · 94 employees$14.6Mraised▾
Provider of solar panel installation services
- Oct 2023Conventional Debt$3.2M
- Mar 2023Series A$10.6M
- Feb 2022Seed$4M
#6
Seed · Barcelona, Catalonia · founded 2012$215.7Kraised▾
Manufacturer of power converter, control board, testing & repairing equipment
#7
Seed · La Pobla de Claramunt, Catalonia · founded 2014 · 29 employees$597.3Kraised▾
Aerox is a spin-off company from wind power division of QMC which develops polymer solutions for application in wind turbine manufacturing industry. Their current product offerings include epoxy gel coats, structural adhesive for glass, carbon fiber composites and epoxy putties for maintenance works.
- Jan 2020Grant (prize money)$55.1K
- Jun 2018Grant (prize money)$1.2M
- Sep 2017Seed$597.3K
- Apr 2015Grant (prize money)$25K
#8
Funding Raised · Barcelona, Catalonia · founded 2003 · 15 employees$482.8Kraised▾
Developer of solar lighting solutions with integrated environmental sensors. The company provides urban solar lighting solutions, integrating environmental sensors for real-time data capture of air quality, noise levels, and UV radiation. It offers smart solar lighting technology and facilitates the creation of smart city infrastructure. The company's solutions also accommodate mobile technology integration for deploying networks. The company designs solar streetlights and offers remote monitoring systems.
- Sep 2018Grant (prize money)$58.1K
- Mar 2015Grant (prize money)$424.7K
#9
Funding Raised · Barcelona, Catalonia · founded 2015 · 7 employees$109.4Kraised▾
Provider of renewable energy services intended to leverage solar energy. The company's services involve the implementation of projects for the generation of electrical energy from solar energy or hydraulic energy, enabling clients to build and run renewable energy projects easily.
- Apr 2020Grant (prize money)$54.3K
- Dec 2019Grant (prize money)$55.1K
#10
Funding Raised · Reus, Catalonia · founded 2009$53.3Kraised▾
liter Group es el resultado de la unin de dos empresas lderes espaolas con amplia experiencia en el campo de las energas renovables en las reas relacionadas con la ingeniera, construccin y servicios de consultora.
- Dec 2016Grant (prize money)$53.3K
#11
Public · Badalona, Catalonia · founded 2000 · 798 employees—raised▾
Audax Renovables is a developer and operator of wind farms in Americas, Asia and Europe. Also generates electricity through sun and biomass. Project portfolio includes wind farms with a capacity of more than 450MW including 20MW wind farm, 31.2 MW Gadaj wind farm and 50.4MW Hanumanhati wind farm in India; and 225MW Toabré wind farm and 105MW Antón wind farm in Panama.
- Mar 2024Series A—
- Jan 2003Seed—
#12
Seed · Barcelona, Catalonia · founded 2021—raised▾
Operator of a clean energy platform intended to develop fast-charging and sustainable Lithium-free batteries to revolutionize the EV market. The company's platform offers a hybrid battery solution using carbon and organic waste nanomaterials, enabling people to access fast-charging electric batteries that charge in 5 minutes with an extended lifespan.
- Mar 2023Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy 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.