Best Renewable Energy Tech Companies in Spain
The 77 best Renewable Energy Tech companies in Spain in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Soty Solar.
- einpresswire.com
- Allied Market Research
Ranked: Best Renewable Energy Tech companies in Spain
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Soty Solar A platform connecting multiple stakeholders in the solar industry | $120M | 4 mo ago | 105 | — | PHPTailwind CSSLaravel+26 | — | 1 award |
| 2 | WtE-As Provider of solutions to convert waste into fuel | $12M | 4 mo ago | 5 | Andres Ponce Founder & CEO | WordPressMySQLPHP+16 | — | — |
| 3 | Onyx Solar Manufacturer of photovoltaic glass for building integrated applications and solutions | $11M | 59 mo ago | 72 | Teodosio Cano Co-Founder & Chief Technical Officer | JoomlaPleskPHP+18 | 13 patents Building-integrated photovoltaic glass and walkable solar flooring solutions. | 1 partnership |
| 4 | Green Eagle Solutions Provider of software solutions for solar and wind energy projects 45Product top 36%Talent top 38%Innovation top 39%Tech top 42% All 8 signals ▾Producttop 36% Talenttop 38% Innovationtop 39% Techtop 42% Fundingtop 49% Globalbottom 38% Marketbottom 35% Newsbottom 22% Product: 5 distinct product lines · Company stage: Series A Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 45/100 | $10M | 30 mo ago | 38 | Alejandro Cabrera Co-Founder & CEO | Apple iCloud MailMicrosoft 365TypeScript+13 | — | 1 launch |
| 5 | Delfos Software technology for monitoring renewable energy products | $8M | 3 mo ago | — | Samuel Lima Co-Founder & CTO | WebflowAmazon Web ServicesGSAP+22 | — | 1 launch |
| 6 | EQTEC | $6M | 28 mo ago | 30 | David Palumbo CEO | WordPressMySQLPHP+19 | — | — |
| 7 | RatedPower Provider of software for solar, storage, and hybrid plant design | $6M | 56 mo ago | 80 | Juan Romero González CTO & Co-founder | Three.jsTailwind CSSReact+19 | — | — |
| 8 | AlgaEnergy Provider of microalgae based agricultural biostimulant producing services | $5M | 59 mo ago | — | Augusto Villa Founder & CEO | WordPressMySQLPHP+31 | 29 patents Patents concentrated in chemistry & materials | — |
| 9 | Hysun Technology solution for hydrogen production | $4M | 8 mo ago | — | Tatiana Lopez Co-Founder | — | — | — |
| 10 | Wattwin Provider of project management software for renewable energy businesses | $3M | 16 mo ago | 85 | Joan Ferrer Co-Founder & CEO | WordPressApple iCloud MailMicrosoft 365+30 | — | — |
| 11 | GPTech Offers energy management solutions for solar power plants | $3M | 101 mo ago | 82 | Javier Landero CEO | RubyChart.jsRuby on Rails+9 | — | — |
| 12 | Alerion Developer of fully automated drone solutions with a focus on high-performance embedded software for… | $2M | 32 mo ago | 25 | Oier Penagaricano Founder & CEO | WordPressMySQLPHP+23 | — | 1 launch |
| 13 | Blueplasma Power Waste to Energy Technology provider | $1M | 113 mo ago | 5 | Mario Brenes Founder & CEO | — | 28 patents Patents concentrated in chemistry & materials | — |
| 14 | Nnergix Cloud-based data analytics forecasting platform | $831K | 102 mo ago | 17 | Joan Miquel Anglès Marín Sales Director & Co-founder | — | — | — |
| 15 | Flobers Online crowdfunding platform to invest in renewable energy | $534K | 49 mo ago | 8 | Diana Plane CEO | WordPressPleskMySQL+35 | — | — |
| 16 | Cinergia Provider of programmable power converters for testing and measurement applications | $294K | 105 mo ago | 38 | Jorge Granero CEO | Vue.jsLodashcore-js+11 | — | — |
| 17 | Smalle Technologies Provider of real-time fish farm monitoring solutions | $279K | 81 mo ago | 5 | — | — | — | — |
| 18 | Solardrone Online platform offering drone-based solutions for solar plant monitoring | $256K | 40 mo ago | 10 | — | WordPressPleskMySQL+23 | — | — |
| 19 | Smartive Provider of cloud-based monitoring solution for wind farm assets | $215K | 68 mo ago | 3 | — | — | — | — |
| 20 | Fundeen Provider of crowdfunding platform for renewable energy projects | $168K | 81 mo ago | 14 | Nacho Bautista Founder & CEO | Node.jsHeadless UITailwind CSS+24 | — | — |
| 21 | Capsun Developer of PV-Thermal systems and technology consultant for renewable energy plants | $113K | 82 mo ago | — | Jose Jimenez Co-Founder | — | — | — |
Top 12 Renewable Energy Tech companies in Spain
#1
Acquired · Gijon, Asturias · founded 2016 · 105 employees$119.6Mraised▾
A platform connecting multiple stakeholders in the solar industry. The platform brings together all these entities that go into the installation of a rooftop residential solar power project. The company utilizes big data, machine learning, and IoT to know user consumption patterns and photovoltaic potential which translates into the right-sizing of the project.
- Jan 2026Conventional Debt$119.6M
#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
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—
#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 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
#6
Series A · Madrid, Community of Madrid · founded 2012 · 38 employees$9.6Mraised▾
Provider of software solutions for solar and wind energy projects. The company offers a SCADA-based monitoring solution with the name CompactSCADA which monitors, controls, and offers energy management solutions. Also, it offers weather and Mateo forecasting solution and generates reports, interactive chart analysis.
- Dec 2023Series A$6.5M
- May 2021Series A$3.1M
#7
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—
#8
Seed · San Sebastian, Basque Country · founded 2016 · 25 employees$2.4Mraised▾
Developer of fully automated drone solutions with a focus on high-performance embedded software for challenging environments.
- Oct 2023Grant (prize money)$386.8K
- Jul 2019Seed—
- Apr 2019Grant (prize money)$863.2K
- Jan 2017Grant (prize money)$819.9K
#9
Seed · Ávila, Castile and Leon · founded 2009 · 72 employees$11.1Mraised▾
Manufacturer of photovoltaic glass for building integrated applications and solutions. The company’s glass provides thermal and acoustic insulation, ultraviolet and infrared filtering, and natural daylight. Its photovoltaic glass can be customized in color, shape, size, and transparency. The company's technology is applicable to façades, curtain walls, skylights, canopies, walkable floors, and balustrades.
- Jul 2021Seed—
- Jun 2021Grant (prize money)$136.9K
- Jan 2021Grant (prize money)$753.8K
- Oct 2020Grant (prize money)$714.8K
#10
Acquired · Madrid, Community of Madrid · founded 2016 · 80 employees$6.1Mraised▾
Provider of software for solar, storage, and hybrid plant design. The software facilitates site analysis, basic engineering, and detailed engineering. It supports feasibility studies for photovoltaic, hybrid, and standalone storage projects. The platform offers tools for layout creation, energy yield estimates, and cost reduction. It assists engineering firms, banking, finance, and developers in project development.
- Oct 2021Series A$6M
- Sep 2019Grant (prize money)$1.7M
- Aug 2018Grant (prize money)$58.4K
- 2018Seed$120K
#11
Seed · Alcobendas, Community of Madrid · founded 2007$4.9Mraised▾
Provider of microalgae based agricultural biostimulant producing services
- Jul 2021Seed—
- Jan 2020Grant (prize money)$341.8K
- Jun 2019Grant (prize money)$734.3K
- Nov 2018Grant (prize money)$1.9M
#12
Seed · Bollullos de la Mitacion, Andalusia · founded 2002 · 82 employees$2.9Mraised▾
Offers energy management solutions for solar power plants. It is specialized in providing energy management and control solutions for large-scale solar power plants. They claim to offer their solutions for utility-scale grid-tied solar plants. Also, they provide plug and play storage solutions, power integration solutions and solutions for multi-level solar inverters. Apart from these, they also provide operation and maintenance services to already installed and functioning large scale solar power plants.
- Jan 2018Grant (prize money)$1.1M
- Nov 2016Grant (prize money)$53K
- Jun 2016Grant (prize money)$55.9K
- Jan 2015Grant (prize money)$1M
Funding & investor landscape
Notable founders
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
How research on Green Hydrogen is moving in Spain
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 1,321 Spain-affiliated papers.
- Instituto de Catálisis y Petroleoquímica90
- Universidad Rey Juan Carlos77
- University of the Basque Country75
- Universitat Politècnica de Catalunya65
- Institute of Catalysis and Petrochemistry64
- Hydrogen production23→92
- Catalysis17→71
- Photocatalysis11→36
- Electrolysis1→23
- Water splitting4→21
- Hydrogen production35→298
- Catalysis40→189
- Production (economics)5→71
- Renewable energy3→63
- Photocatalysis10→70
- Hydrogen production7→39
- Production (economics)1→18
- Steam reforming3→11
- Fossil fuel2→10
- Waste management2→10
Where green hydrogen 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.