Top Renewable Energy Companies in Austria (2026 Update)

Browse Renewable Energy companies in Austria with up-to-date profiles — funding rounds, investors, hiring, and expansion signals. Find recently funded and growing companies. Updated 2026.

+35

Showing 42 Companies

Company	Location	Founded	Industry	Services	Target Customers	Business Model	Revenue Model	Founders	Employees	Funding Stage
enspired Our pioneering technology optimizes BESS revenues and b…	Austria	2020	Energy Renewable Energy +2	BESS Optimization Service Revenue Increase Strategies +4	Energy Storage Operators Renewable Energy Companies +2	—	—	—	117	Series B
HELIOVIS AG HELIOtube® is a smart pneumatic solar collector for the…	Austria	2009	Energy Renewable Energy	—	—	—	—	—	11	Series Unknown
Geppert Hydro Empowering Everyone. Everywhere.	Austria	2023	Energy Manufacturing +1	—	—	—	—	—	27	Series Unknown
neoom We love to measure, intuitively store, distribute and c…	Austria	2018	Computing Energy +2	Solar Storage Systems Energy Management Platforms +3	Homeowners Businesses +3	—	—	—	110	Series B
EET - Efficient Energy Technol... We make renewable energy simple, safe and reliable for…	Austria	2017	Renewable Energy Energy Storage	SolMate 3 Products Solar Energy Storage +3	Homeowners Small Businesses +2	—	—	—	36	Series A
raicoon The World’s First Autonomous Operations Center for Rene…	Austria	2020	Analytics Information Technology +1	Fully Autonomous Operations 100% Fault Detection & Zero False Alarms +1	Asset Managers & Owners Technical Asset Managers +2	—	—	—	13	Grant
WW Wohnwagon Massivholzhäuser neu gedacht - modular, flexibel, autar…	Austria	2013	Energy Manufacturing +1	Design And Construction Of Modular Houses Autarkie Technology Sales +3	Eco-Conscious Home Buyers Tiny House Enthusiasts +3	—	—	—	11	Seed
Fresnex GmbH The technology of Fresnex has been taken over by Ecothe…	Austria	2012	Energy Renewable Energy	Solar Steam Generation Project Development +2	Industrial Manufacturers Energy-Intensive Industries +2	B2B D2C	Product Sales Service Fee +1	—	—	Grant
Vertus Energy Delivering Energy Justice for All.	Austria	2021	Energy Renewable Energy	Power Generation From Waste Research And Development +1	Environmental Advocates Sustainable Energy Investors +2	—	—	—	16	Grant
ANDRITZ FOR THE CHANGE - We enable the green transition.	Austria	1852	Energy Industrial +3	Process Technologies Equipment Supply +3	Pulp And Paper Companies Metal Manufacturers +3	B2B B2G	Project Based Product Sales +1	—	14,354	IPO
SOLID Solar Energy Systems Gmb... A SUN THAT NEVER SETS	Austria	1992	Energy Renewable Energy +1	—	—	—	—	—	23	Private Equity
Balun Energy Harness the power of machine learning for a green energ…	Austria	2023	Energy Renewable Energy	—	—	—	—	—	6	Pre Seed
Swimsol GmbH Leading solar company in Maldives \| Bringing clean ener…	Austria	2012	Renewable Energy	—	—	—	—	—	52	Series Unknown
oekostrom AG Wir stehen für eine Energieversorgung mit Zukunft!	Austria	1999	Energy Renewable Energy	—	—	—	—	—	64	Series Unknown
meo ENERGY DIGITALIZE all ENERGY!	Austria	2014	Energy Platforms +1	—	—	—	—	—	4	Series B
Templeton Apus GmbH A subsidiary of Krixos GmbH, we specialise in creating…	Austria	2019	Digital Media Health Care +4	—	—	—	—	—	1	—
Bachmann electronic GmbH Automation – Grid Measurement, Protection and Control –…	Austria	1970	Automation Renewable Energy	—	—	—	—	—	291	—
Sonnenkraft GmbH Seit über 30 Jahren Solarsysteme aus Österreich.	Austria	1993	Energy Renewable Energy	—	—	—	—	—	41	—
Ventus Group Global optimization solutions for wind turbine performa…	Austria	2015	Renewable Energy	—	—	—	—	—	17	—
WWS Wasserkraft turbines and hydroelectric engineering - all from a sin…	Austria	2008	Manufacturing Renewable Energy +1	—	—	—	—	—	32	—