Best Energy Tech Companies in Vienna, Austria
The 54 best Energy Tech companies in Vienna, Austria in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Enspired.
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 Vienna
| # | Company | Last round | Disclosed funding | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | accilium Accilium GmbH is a consultancy platform. | — | — | 92 | — | WordPress Block EditorElementorWordPress+33 | — | — |
| 2 | Alteso AI-driven platform offering photovoltaic performance optimization solutions | — | — | 13 | — | — | — | — |
| 3 | Arcade Cars Provider of electric conversion services for cars | — | — | — | Rishav Kanoria CEO | — | — | — |
| 4 | Blitzzcar Electric car rental service | — | — | — | Peter Ungvari Founder & CEO | — | — | — |
| 5 | BrightComSol Developer of a technology to mix perovskite quantum dots with polymers | — | — | 5 | Erik Reimhult Co-Founder | — | 4 patents Scintillation detectors and related radiation measurement devices | — |
| 6 | BTM Energy Provider of web-based smart metering, energy management, and benchmarking solutions | — | — | — | Peter Ostermann Founder & MD | — | — | — |
| 7 | Chargd SaaS-based management solutions for EV station operators | — | — | 3 | — | — | — | — |
| 8 | Cipacto Provider of cloud and IoT-based oil tank monitoring solutions | — | — | 1 | Thomas Becker Founder & Managing Partner | — | — | — |
Top 12 Energy Tech companies in Vienna
#1
Series B · Vienna, Vienna · founded 2007 · 11 employees$23.2Mraised▾
Developer of industrial rotation heat pump technology for waste heat recovery. It provides rotation heat pumps utilizing a patented technology for industrial applications. The heat pumps recover waste heat and efficiently elevate it to high temperatures for industrial processes, district heating, and cooling. The technology offers flexibility in applications such as heat boosting and combined heating/cooling processes.
- May 2025Series B$12M
- Jul 2024Grant (prize money)$9.2M
- Aug 2018Grant (prize money)$2M
#2
Seed · Vienna, Vienna · founded 2023$1.3Mraised▾
Provider of heating optimization solutions for residential and commercial properties. The company offers services to digitize and decarbonize heating systems. It facilitates the transition to green energy systems. The company provides portfolio oversight, continuous optimization, and early detection of system defects.
- Sep 2025Seed$939.3K
- Feb 2025Seed$359.2K
#3
Series B · Vienna, Vienna · founded 2020 · 59 employees$36.2Mraised▾
Alternative investment platform focused on trading energy assets. It provides AI-driven solutions to optimize power portfolio. It provides solutions to direct market access with power trading services based on data, self-learning models, and cutting-edge technology.
- May 2024Series B$27.5M
- Dec 2021Series A$8.7M
#4
Series A · Vienna, Vienna · founded 2016$8.5Mraised▾
Intelligent IoT solution for optimizing and controlling hydropower plants.The solution include real time predictive production planning, monitoring, and decision support tools for hydropower plant operators and traders. The software integrates machine learning algorithms to enable hydropower operators to react in real time to weather events, minimize water losses, and maximize power market revenues.
- Dec 2023Series A$8.5M
#5
Series A · Vienna, Vienna · founded 2008 · 11 employees$11.1Mraised▾
Developer of flexible photovoltaic films. It develops a flexible photovoltaic module made from a patented material and a low-cost roll-to-roll production process. The semiconductor particles contain abundant and low-cost elements of copper, zinc, tin, sulphur, and selenium (CZTS). The films can either be opaque or transparent for integration into windows, facades and rooftops. This product can also be integrated with consumer goods like mobile chargers, bags, clothing, etc
- Sep 2020Grant (prize money)$649.3K
- Nov 2019Grant (prize money)$56K
- Jan 2018Grant (prize money)$199.5K
- Feb 2013Series A$8.5M
#6
Seed · Vienna, Vienna · founded 2017 · 30 employees$1.6Mraised▾
App-based platform offering electric car rental services. The platform enables users to find, book and unlock the vehicles in their vicinity through the mobile application. It offers features like variant payment options, eco-friendly rides, and more. At the end of the ride, users have to leave the vehicle at any of the free parking spaces in their locality. The apps are available for Android and iOS platforms.
- Sep 2023Seed$1.6M
- Mar 2023Seed—
- Oct 2022Seed—
#7
Seed · Vienna, Vienna · founded 2012 · 13 employees$1.4Mraised▾
SaaS-driven maintenance management software for owners and property managers. It facilitates users with work request management, issue reporting, delegation, documentation, onboarding, cost efficiency, and more. The apps are available on Android and iOS devices.
- Aug 2022Seed$1M
- Feb 2021Seed$364.6K
#8
Funding Raised · Vienna, Vienna · founded 2007$360Kraised▾
Provider of solutions to analyze the composition of petroleum products. The product offerings include Evarap models - provide vapor testing solutions, Eraflash models - provide flash point testing solutions, Eracheck models - provide oil in water testing solutions, and more. Additionally, the company provides RCS software that connects analyzers, downloads data, and more.
- Jan 2023Grant (prize money)$360K
#9
Series A · Vienna, Vienna · founded 2012 · 135 employees$1.1Mraised▾
SMATRICS is a provider of electric vehicle charging solutions. The company has setup a public charging infrastructure network and fast charging stations across Austria. The stations are powered by renewable energy. The company also provides charging stations for home applications, and provides consulting and maintenance services for business customers.
- Jun 2020Grant (prize money)$556.4K
- Jan 2020Grant (prize money)$559.9K
- Dec 2017Series A—
#10
Funding Raised · Vienna, Vienna · founded 2016 · 17 employees$454Kraised▾
GridSingularity facilitates an Internet-based decentralized energy data management and exchange platform built on blockchain technology. GridSingularity accommodates a range of energy market participants, from regulators to operators, investors, traders and consumers. The new platform supports forecasting for grid balancing (smart grid management), facilitate investment, trade of green certificates/certificates of origin and energy trade validation. By recording the relevant data in real time at the source (power plant) on the blockchain, the proposed system diminishes the counterparty risk since data can no longer be modified, while decentralized storage ensures that the data generator has exclusive access to own data. The data recording process is to be certified by the respective energy regulators to validate arbitration. The main advantage of the platform lies in its interoperability,
- Oct 2021Grant (prize money)$454K
#11
Deadpooled · Vienna, Vienna · founded 1995$712.9Kraised▾
Scyube is a mobility technology provider which provides a platform enabling bike-share companies to provide fully automated rentals solutions. Claims their platform is ready for electric scooters, e-bikes and bicycles. The company utilizes a patented RFID-tagged connector which provides information and data points to the mobility platform. Claims to have successfully implemented in multiple projects across Germany, Switzerland and Austria.
- Jan 2017Grant (prize money)$421.9K
- Jan 2016Grant (prize money)$291K
#12
Funding Raised · Vienna, Vienna · founded 2014 · 10 employees$111Kraised▾
Vello Bike is an Austria-based company focused on developing electric bicycles. The company specializes in developing self-charging folding electric bicycles. The bicycles are powered by Li-ion batteries and are designed to be used for urban commute. The bikes have multiple speed modes and the range and speed attributes vary based on the model of the bike.
- Nov 2019Grant (prize money)$55K
- Jun 2019Grant (prize money)$56K
Funding & investor landscape
Amazon Web Services1 roundsNotable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech 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 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.