Best Energy Efficiency Tech Companies in Catalonia, Spain
The 32 best Energy Efficiency Tech companies in Catalonia, Spain in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Submer.
Our analysis of 50 Energy Efficiency Tech companies
$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Efficiency Tech companies in Catalonia
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Submer Manufacturer of liquid cooling systems for high density server hardware | $90M | 22 mo ago | 108 | Daniel Pope Co-Founder & CTO | WordPressMySQLPHP+23 | Top 5M | 3 patents Immersive liquid cooling solutions for high-performance computing hardware | — |
| 2 | Enertika Provider of website hosting and domain name services. This company offers website hosting plans designed for… | $6M | 112 mo ago | 86 | — | — | — | — | — |
| 3 | AEInnova Offering solution to generate electricity from waste heat recovery systems | $4M | 34 mo ago | 19 | Raúl Aragonés Ortiz Founder | WordPressPleskMySQL+21 | Top 50M | — | — |
| 4 | S&C SaaS-driven energy management solutions for commercial spaces | $3M | 66 mo ago | — | Narcis Avellana Co-Founder & CEO | — | — | — | — |
| 5 | Evoltio Provider of energy management solutions combining expert analysis with proprietary technology | $2M | 16 mo ago | — | Jaime Rocabert Co-Founder | WebflowCloudflare TurnstileHSTS+9 | Top 5M | — | — |
| 6 | Ledmotive Connected intelligent LED lightning solution | $2M | 91 mo ago | 6 | Meritxell Molins Co-Founder & CEO | — | — | — | — |
| 7 | Dexma Provider of cloud-based energy management and analytics solutions | $1M | 74 mo ago | 70 | Guillem Corominas Co-Founder | WordPressMySQLPHP+40 | Top 5M | — | — |
| 8 | Roomonitor Guest management app for accommodation providers | $766K | 106 mo ago | 33 | Eduardo Suarez Co-Founder | WordPressBetterDocsZoho+46 | Top 5M | — | — |
| 9 | INDRESMAT Developer of bio-based polyurethane solutions for energy-efficient building thermal insulation | $731K | 70 mo ago | 10 | — | — | — | 8 patents Polyurethane casting processes for constant‑section, continuous‑profile molded products | — |
| 10 | OpenDomo Services Energy management system for homes and industries | $240K | 133 mo ago | 3 | Elisabet Cuenca Co-Founder & CEO | — | — | — | — |
| 11 | Smartive Provider of cloud-based monitoring solution for wind farm assets | $215K | 73 mo ago | 3 | — | — | — | — | — |
| 12 | Wattabit Energy Management Solution for Industries | $160K | 111 mo ago | 1 | — | WordPressMySQLPHP+22 | Top 50M | — | — |
| 13 | Ohmvo Provider of thin silicone heating mats | $111K | 77 mo ago | — | Jose Llaurado CEO | WordPressMySQLPHP+20 | Top 10M | — | — |
Top 12 Energy Efficiency Tech companies in Catalonia
#1
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
#2
Seed · Sant Cugat del Valles, Catalonia · founded 2024$2.2Mraised▾
Provider of energy management solutions combining expert analysis with proprietary technology. The company offers energy procurement, consumption monitoring, and invoice management. It helps businesses optimize energy contracts, track usage, and identify cost savings. The company delivers insights and tools for informed energy decisions. It also manages administrative tasks related to energy supply.
- Jun 2025Seed$2.2M
#3
Series B · Terrassa, Catalonia · founded 2014 · 19 employees$3.7Mraised▾
Offering solution to generate electricity from waste heat recovery systems. It is a system that can generate renewable energy from industrial waste heat using thermoelectric generators. Its patented microelectronic control system-based HEAT-R Waste Heat Recovering Units are lightweight modules with different geometries which is adaptable to any heat source and can be easily installed to recover waste heat into electricity.
- Dec 2023Series B$3.3M
- Aug 2020Series A$476K
- May 2020Grant (prize money)$563.1K
- Dec 2018Grant (prize money)$481.7K
#4
Funding Raised · Barcelona, Catalonia · founded 2006$2.8Mraised▾
SaaS-driven energy management solutions for commercial spaces. The company offers enControl - a web-based platform for energy management that leverages IoT technology for system automation alongside providing customization solutions for receiving messages and energy comparison stats. Features of the system include remote switching, an overview of multiple locations, and control of heating and cooling appliances with options for security system add-ons.
- May 2021Grant (prize money)$706.1K
- Nov 2020Grant (prize money)$111.3K
- Jan 2020Grant (prize money)$331.2K
- Jan 2016Grant (prize money)$394.8K
#5
Acquired · Barcelona, Catalonia · founded 2007 · 70 employees$1.3Mraised▾
Dexma provides energy management software for corporate, commercial, public administration and industrial sectors. DEXCell Energy Manager is a software-as-a-service platform, hardware-neutral, to reduce energy use and cost, through real-time automated monitoring, analysis, alarms, and reports.
- Aug 2020Grant (prize money)$59.5K
- Sep 2018Grant (prize money)$1.3M
- Nov 2017Grant (prize money)$360K
- Oct 2017Grant (prize money)$605.5K
#6
Series A · Barcelona, Catalonia · founded 2008 · 86 employees$5.6Mraised▾
{}
- Jun 2017Series A$5.6M
#7
Series A · Barcelona, Catalonia · founded 2012 · 6 employees$2.1Mraised▾
Ledmotive develops smart module, luminaries, spectrometers and software to offer a variety of energy efficient lightning solutions for institutions. Ledmotive LEDs enables improved sleep/wake cycle, daily changes in alertness, performance and mood (circadian changes) as well as responses to seasonal changes.
- Mar 2019Grant (prize money)$938.5K
- Dec 2018Series A$2.1M
- Jun 2017Grant (prize money)$938.3K
- 2013Grant (prize money)—
#8
Funding Raised · L'Hospitalet de Llobregat, Catalonia · founded 2017 · 10 employees$731.5Kraised▾
Developer of bio-based polyurethane solutions for energy-efficient building thermal insulation. The company formulates bio-polyurethane for improving thermal performance of building envelopes. It focuses on material formulation, product design, and technology engineering to reduce fossil CO2 emissions and promote sustainability in the construction industry. The company's solutions aim to enhance energy efficiency, acoustic comfort, and recyclability in buildings.
- Jan 2021Grant (prize money)$507.8K
- May 2020Grant (prize money)$55.5K
- Dec 2019Grant (prize money)$55.1K
- Jul 2019Grant (prize money)$55.7K
#9
Seed · Barcelona, Catalonia · founded 2020 · 16 employees$80.6Kraised▾
Analytics platform for retailers and aggregators to manage trade energy resources. It allows consumers to participate in the energy system by forecasting consumption, flexibility, and market conditions for portfolio management.
- Jun 2023Seed—
- Jun 2023Grant (prize money)$80.6K
#10
Seed · Barcelona, Catalonia · founded 2016 · 33 employees$766Kraised▾
Roomonitor is a guest management app for accommodation providers. Product offerings include Sound alarm (alerts users when the sound level exceeds preset level), AC controller, Smart locks (locks that can be controlled via the app) and Night agent (connects staff and users in the night time). All the aforementioned products are available in a single app and it also provides real-time reporting. It is available on a subscription basis.
- Dec 2017Seed$766K
#11
Deadpooled · Sabadell, Catalonia · founded 2013 · 3 employees$215.3Kraised▾
Provider of cloud-based monitoring solution for wind farm assets. The company offers solutions IoT-based solutions for the wind energy industry that helps in monitoring and management of wind farm assets. It provides real-time access to wind generation and operational efficiency data which enables better maintenance of wind farms as well as higher functional efficiency.
- Sep 2020Seed$93.4K
- Nov 2016Grant (prize money)—
- 2016Seed$121.8K
- May 2015Grant (prize money)$980.6K
#12
Funding Raised · Barcelona, Catalonia · founded 2015$110.6Kraised▾
Provider of thin silicone heating mats. It customizes all the flexible silicone heaters to bring most complex projects to the right temperature. It also provides products such as flexible heating mats, drum heaters and tank heaters.
- May 2020Grant (prize money)$55.5K
- Dec 2019Grant (prize money)$55.1K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Efficiency Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Efficiency & Buildings is moving in Spain
A read on the academic research around Energy Efficiency & Buildings — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 650 Spain-affiliated papers.
- Universitat Politècnica de València56
- Universidad de Sevilla54
- Universidad Politécnica de Madrid50
- Universitat Politècnica de Catalunya48
- University of the Basque Country38
- Heat pump3→25
- Photovoltaic system2→18
- Microgrid1→16
- Renewable energy5→19
- Energy management10→19
- Heat pump15→63
- Thermal comfort2→24
- Photovoltaic system10→31
- Thermal1→22
- Passive cooling4→21
- Renewable energy2→7
- Heat pump2→7
- Passive cooling1→6
- Energy management1→4
Where energy efficiency 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.