Best Energy Companies in Austria
The 188 best Energy companies in Austria in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Enery.
Austria's Energy sector has 188 companies tracked here, ranked by disclosed equity funding and recent momentum, with $320M in total capital on the books. Enery leads by a wide margin at $225M, which is more than ten times the rest of the field combined. Biogest sits second at $21M, cyberGRID at $7M, and the remaining pack clusters tightly below $5M. No unicorns yet, but the funding concentration tells you something: one player is scaling hard while the broader ecosystem is still early. Hot themes right now are solar PV, EV battery technology, and EV energy management systems, and wind energy's expansion is adding tailwind to all of it. Median app install growth across energy-sector tools hit roughly +28% YoY, which I'd call a real signal that demand-side engagement is building fast.
So what's pulling investment in? Flexible loads and distributed energy resources are the demand drivers, and green energy as a competitive edge for AI and data infrastructure is accelerating the whole conversation. Most active backers here include FFG, Austria Wirtschaftsservice, and the EIC Fund, which means a healthy mix of public and EU-level capital is doing the early lifting. If you're mapping the Austrian Energy landscape this quarter, the directory below is where to start.
- International grid edge study reveals countries needs and readiness f
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 Austria
| # | Company | Disclosed funding | Last round | Employees | Founded | Tech stack | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Enery Developer of solar energy projects | $225M | 18 mo ago | 150 | 2019 | WordPressApple iCloud MailMicrosoft 365+24 | 5 signals ▲400% Funding | — | 1 expansion · 1 award |
| 2 | BIOGEST Manufacturer of alpine and nordic skis and ski boots | $21M | 43 mo ago | 70 | — | TYPO3 CMSPHPMicrosoft 365+6 | — | — | 1 expansion |
| 3 | Rto Energy Trading Limited information available | $10M | 143 mo ago | — | 2014 | — | — | — | — |
| 4 | Rift Valley Energy Rift Valley Energy | $8M | 137 mo ago | 6 | 2012 | — | — | — | 1 expansion |
| 5 | VOLTLABOR Manufacturer of batteries and energy storage services | $8M | 55 mo ago | — | 2008 | — | — | 12 patents Advanced battery module packaging with integrated phase‑change thermal management and bus‑bar clamping systems. | — |
| 6 | cyberGRID GmbH & Co KG Provider of virtual power plant solutions for flexibility management and monetization | $7M | 53 mo ago | 14 | 2010 | — | — | — | — |
| 7 | Greenwood-Power Provider of current and voltage sensors for the smart grid | $5M | 32 mo ago | 161 | 2017 | WordPressMySQLPHP+16 | — | 59 patents Inductive current and voltage sensing devices for industrial measurement systems | 3 job openings |
| 8 | Energie Graz Developer of solar and wind energy projects | $4M | 43 mo ago | 94 | 2002 | Cart FunctionalityMagentoApple iCloud Mail+14 | — | — | — |
| 9 | raicoon Provider of renewable energy training, software, and other services | $4M | 32 mo ago | — | 2020 | — | 4 signals M&A · Acquisition | — | — |
| 10 | ESS Provider of cutting-edge hybrid CFD CSD software and specialist in automating paint shop simulation for the… | $4M | 81 mo ago | — | 2015 | WordPress Block EditorWordPressZoho+26 | — | — | 1 job opening |
| 11 | CLEEN Energy Provider of HVAC system installation and repair services | $4M | 27 mo ago | 33 | 2016 | WordPressMySQLRedis+27 | — | — | — |
| 12 | Salzburg AG Supplier of energy, telecommunications, and internet services | $4M | 103 mo ago | 819 | 2000 | Adobe Experience ManagerJavaBootstrap+23 | — | — | 1 job opening · 1 expansion |
| 13 | e7 energy innovation & engineering Provider of energy efficiency and renewable energy consulting services | $3M | 51 mo ago | — | 2007 | webEditionPure CSSApache HTTP Server+10 | — | — | — |
| 14 | Global Hydro Manufacturer of hydropower turbines | $2M | 41 mo ago | 141 | 2002 | RubyAnimate.cssTailwind CSS+11 | — | — | 1 launch |
| 15 | Cryoshelter Provider of natural gas tanks | $2M | 49 mo ago | 25 | 2008 | — | — | 94 patents Cryogenic vehicle storage systems: insulated containers, valve monitoring, safety and fill/vent solutions. | — |
| 16 | Heliovis Concentrated solar thermal technology developer | $2M | 103 mo ago | 16 | 2009 | — | — | 111 patents Inflatable solar‑thermal concentrators and floating platforms for concentrated solar power generation. | — |
| 17 | RED Drilling & Services Company that provides drilling services and equipment for oil and gas exploration and development, as well as… | $1M | 129 mo ago | — | 2014 | TYPO3 CMSPHPApache HTTP Server+7 | — | — | 1 job opening |
| 18 | Ecolyte Provider of green electrolytes and renewable energy services | $1M | 33 mo ago | — | 2022 | WordPressMySQLPHP+12 | — | — | 1 award |
| 19 | Fresnex Company that provides solar steam generation systems for industrial applications | $1M | 97 mo ago | — | 2012 | — | — | 7 patents Advanced mirror modules for precision optical imaging systems | — |
| 20 | Sunplugged Manufacturer of lightweight, flexible photovoltaic modules for integration into various applications | $1M | 69 mo ago | — | 2007 | — | — | — | — |
| 21 | Krajete Bio remediation of carbon dioxide to natural gas | $814K | 101 mo ago | 3 | 2009 | — | — | 21 patents Advanced gas purification and conversion technologies for methane production and storage | — |
| 22 | Hycenta Developer of hydrogen technologies and electrochemical systems for green energy | $653K | 74 mo ago | 62 | 2005 | TYPO3 CMSPHPJava+22 | — | — | — |
| 23 | Pixel Energy Provider of renewable energy project development, structuring, and financing solutions | $296K | 30 mo ago | — | 2022 | — | — | — | — |
| 24 | RGH2 Provider of hydrogen production and solid state storage services | $168K | 102 mo ago | — | 2014 | — | — | — | — |
| 25 | EET Solar panel & products installation company | $164K | 39 mo ago | 80 | 2017 | Cart FunctionalityWooCommerceWordPress+27 | — | — | — |
| 26 | Ertex Solar Provider of solar services for commercial & residential | $116K | 129 mo ago | — | 2004 | WordPressMySQLSalesforce+31 | — | — | 1 expansion |
| 27 | Moled Manufacturer of frozen sweet potato products | $112K | 82 mo ago | — | 2017 | — | — | — | — |
| 28 | Xelectrix Power Manufacturer of electricity & energy storage system | $110K | 78 mo ago | 18 | 2016 | — | — | 9 patents Electric power supply systems for tracked and crawler vehicles | — |
Top 12 Energy companies in Austria
#1
Funding Raised · Vienna, Vienna · founded 2019 · 150 employees$225.2Mraised▾
Developer of solar energy projects
- Dec 2024Conventional Debt$225.2M
#2
Public · Haag Am Hausruck, Upper Austria · founded 2016 · 33 employees$3.9Mraised▾
Provider of HVAC system installation and repair services
- Feb 2024Post IPO$654.3K
- 2023Post IPO$3.2M
- Apr 2022Post IPO—
#3
Series B · Klosterneuburg, Lower Austria · 70 employees$20.6Mraised▾
Manufacturer of alpine and nordic skis and ski boots. The company produces a variety of skis and boots for different skiing disciplines, including alpine racing, freeriding, and cross-country skiing. Products are designed for high performance and incorporate advanced materials and technologies. The company's history reflects a long-standing commitment to innovation in ski manufacturing.
#4
Series A · Brunn Am Gebirge, Lower Austria · founded 2017 · 161 employees$5.4Mraised▾
It is a company that specializes in designing and developing non-conventional instrument transformers for the smart grid. They have a broad and deep experience in the instrument transformer field.
- Sep 2023Series A$5.4M
#5
Seed · Wien, Wien · founded 2020$4.2Mraised▾
Provider of renewable energy training, software, and other services
#6
Funding Raised · Vienna, Wien · founded 2010 · 14 employees$6.9Mraised▾
Provider of virtual power plant solutions for flexibility management and monetization. This involves connecting distributed energy resources, such as renewable energy sources and battery storage systems, to energy markets. The platform optimizes asset utilization, enabling participation in various markets including balancing markets and day-ahead trading. Services include software solutions for asset management, market connection, and trading strategies to maximize profitability. Consultancy and research and development further support clients in harnessing the flexibility of their energy assets.
- Jan 2022Grant (prize money)$434.5K
- Nov 2020Grant (prize money)$843.9K
- Oct 2019Grant (prize money)$1.1M
- Nov 2017Grant (prize money)$916.6K
#7
Funding Raised · Graz, Styria · founded 2002 · 94 employees$4.3Mraised▾
Die Energie Graz gestaltet und sichert als Energiedienstleister einen wesentlichen Teil der Infrastruktur in der steirischen Landeshauptstadt Graz. Wir versorgen die Grazer:innen mit Strom, Gas und Fernwärme aus einer Hand. Zusätzlich stellen wir unser Know-How in Form innovativer Services und Dienstleistungen, wie Photovoltaik und Elektromobilität, zur Verfügung. Über 350 Mitarbeiter:innen sorgen für die sichere Versorgung unserer Kund:innen mit Energie.
- Nov 2022Grant (prize money)$1.1M
- Sep 2020Grant (prize money)$139.7K
- Feb 2019Grant (prize money)$3.1M
#8
Acquired · Bad Leonfelden, Upper Austria · founded 2008$7.6Mraised▾
Manufacturer of batteries and energy storage services
- Nov 2021Grant (prize money)$6.3M
- Nov 2021Grant (prize money)$1.3M
#9
Funding Raised · Graz, Styria · founded 2022$1.3Mraised▾
Provider of green electrolytes and renewable energy services
- Sep 2023Grant (prize money)$1.3M
#10
Series A · Waldkirchen Am Wesen, Upper Austria · founded 2002 · 141 employees$2.3Mraised▾
Designer and manufacturer of turbines and turbine components for small hydropower plants. The company offers products including various turbines such as spiral, open-flume, tubular, split, and spiral along with digital management of the plant from planning, detailed design, and overseeing construction to laying the groundwork for the operational management, enabling its clients to create sustainable systems for future generations.
- Jan 2023Grant (prize money)$555.8K
- Jun 2021Grant (prize money)$1.7M
- Jul 2016Series A—
#11
Funding Raised · Austria · founded 2007$2.7Mraised▾
Provider of energy efficiency and renewable energy consulting services. It offers consultancy on energy audits, energy management systems, and feasibility studies for energy improvement measures. Services also include policy advice, development of financing facilities for green energy projects, and assistance in creating action plans for sustainable energy. Expertise extends to capacity building and training programs, support for homeowner associations in energy investments, and development of energy service company markets. The firm assists in harmonizing and improving regulatory frameworks related to energy efficiency and building policies.
- Mar 2022Grant (prize money)$589.6K
- Feb 2022Grant (prize money)—
- Sep 2020Grant (prize money)$180.3K
- Jun 2020Grant (prize money)$497.8K
#12
Deadpooled · Vienna, Vienna · founded 2014$10.4Mraised▾
Limited information available
- Jul 2014Series A$10.4M
Funding & investor landscape
Notable founders
How research on Grid Energy Storage is moving in Austria
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 306 Austria-affiliated papers.
- Austrian Institute of Technology61
- TU Wien51
- Institute of High Energy Physics44
- Central European Institute of Technology22
- Graz University of Technology21
- Battery (electricity)1→16
- Lithium (medication)1→9
- Redox1→8
- Nanotechnology1→7
- Battery (electricity)1→23
- Photovoltaic system1→9
- Renewable energy13
- Battery (electricity)11
- Electrolyte6
- Electricity6
- Nanotechnology5
Where energy storage is researched across Austria
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.