Best Energy Tech Companies in Slovenia
The 34 best Energy Tech companies in Slovenia in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Iskraemeco.
- prnewswire.com
- businesswire.com
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 Slovenia
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Iskraemeco Provider of energy, water, and digital platform solutions and related devices | $15M | 37 mo ago | Acquired | Madan Mohan Chakraborty CEO & Managing Director | 1945 | WordPressApple iCloud MailMicrosoft 365+19 | 3 patents Patents concentrated in transport & manufacturing processes | — |
| 2 | Elaphe Developer of in-wheel motors for electric vehicles | $5M | 58 mo ago | Series A | Andrej Detela Co-Founder & CEO | 2003 | WordPressMySQLPHP+16 | 2 patents Patents concentrated in computing, sensing & instrumentation | — |
| 3 | Quadrofoil All-electric personal hydrofoiling watercraft | $5M | 91 mo ago | Series A | Marjan Rozman Founder & CEO | 2011 | PHPApache HTTP ServerMatomo Analytics+4 | — | — |
| 4 | ReCatalyst Provider of solutions for PEM-based fuel cells | $2M | 39 mo ago | Seed | Tomaz Bizjak Co-founder & Managing Director | 2021 | WordPressMySQLPHP+13 | — | — |
| 5 | Pipistrel Manufacturer of general aviation, light sport, and electric aircraft models | — | 47 mo ago | Acquired | Ivo Boscarol Founder & CEO | 1989 | WordPressMySQLPHP+30 | 55 patents Patents concentrated in transport & manufacturing processes | — |
| 6 | Resalta Provider of decarbonization-as-a-service offering energy efficiency and renewable energy projects | — | 80 mo ago | Acquired | — | 2011 | DrupalPHPYouTube+12 | — | — |
| 7 | Etrel Charging points for electric vehicles | — | 93 mo ago | Acquired | — | 2007 | WordPressMySQLPHP+25 | 6 patents EV charging stations with integrated power monitoring and load management systems | — |
| 8 | GEM Motors In-wheel motors for electric vehicles | — | 130 mo ago | Funding Raised | Simon Mandelj Founder & CEO | 2010 | WordPressMySQLPHP+14 | 9 patents Modular multi-phase electric machines with ferrofluid cooling for high-performance drives | — |
Top 8 Energy Tech companies in Slovenia
#1
Acquired · Kranj, Kranj · founded 1945 · 127 employees$14.6Mraised▾
Provider of energy, water, and digital platform solutions and related devices. The company delivers electricity and water meters, alongside software for data management and optimization. It offers solutions for operational efficiency, revenue protection, and smart grid management. The company also provides professional and managed services related to its product offerings.
#2
Seed · Ljubljana, City Municipality of Ljubljana · founded 2021 · 4 employees$1.9Mraised▾
Provider of solutions for PEM-based fuel cells. Its process reduces the required platinum in the catalyst and improves the efficiency and durability of the cell.
- Jul 2023Seed$1.9M
- Mar 2021Grant (prize money)$81K
#3
Series A · Ljubljana, Slovenia · founded 2003 · 125 employees$5.1Mraised▾
Elaphe is a developer of in-wheel electric motors for electric vehicles. Its features include power inverters, in-wheel motors and propulsion control units. It also develops electric powertrains and power electronics comprising motor controllers, AC inverters, power distribution units, PCUs and motor control software.
#4
Series A · Slovenska Bistrica, Slovenska Bistrica Commune · founded 2011 · 6 employees$4.8Mraised▾
Manufacturer of hydro foiling watercraft vessels designed to serve as transport on water routes. The company's products are made of underwater wings and a patented steering system that lifts the vessel surface and offers the driver and the passenger a feeling of flying, enabling the public and cargo transporters to travel via alternative routes at a low cost.
#5
Acquired · Ajdovscina, Ajdovscina · founded 1989 · 300 employees—raised▾
Manufacturer of general aviation, light sport, and electric aircraft models. It provides aircraft for personal travel, pilot training, and special missions. It offers technical training programs, technical publications, and spare parts support. It also offers a range of lightweight and unmanned aerial vehicles based on electric and hybrid propulsion systems.
#6
Acquired · Ljubljana, Slovenia · founded 2011 · 40 employees—raised▾
Provider of decarbonization-as-a-service offering energy efficiency and renewable energy projects. They develop and implement sustainable solutions for commercial, industrial, and public sector clients. Services include energy analysis, project concept, financing, implementation, and maintenance. The company delivers tailored solutions to optimize energy production processes and reduce environmental impact.
#7
Acquired · Grosuplje, Grosuplje · founded 2007 · 80 employees—raised▾
Etrel is a Slovenia based company focused on developing charging points and charging stations for electric vehicles. The company's smart wall-mounted and stand-up charging points are suited for private, commercial and public applications. The company also develop software solutions for managing the charging infrastructure and points.
#8
Funding Raised · Kamnik, Kamnik · founded 2010—raised▾
In-wheel motors for electric vehicles
Funding & investor landscape
Notable founders
How research on Grid Energy Storage is moving in Slovenia
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 98 Slovenia-affiliated papers.
- National Institute of Chemistry19
- University of Ljubljana19
- Jožef Stefan Institute14
- Institute of Contemporary History11
- Institute of Metallurgy8
- Battery (electricity)1→7
- Electrolyte1→6
- Anode1→4
- Cathode2→5
- Battery (electricity)10
- Electrolyte9
- Cathode7
- Electricity7
- Supercapacitor6
- Battery (electricity)7
- Lithium (medication)3
- Electrolyte3
- Electrochemistry2
- Nanotechnology2
Where energy storage is researched across Slovenia
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
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.