BlueSky Energy

Contact data
BlueSky Energy
Neukirchner Straße 15
A-4873 Frankenburg a. Hausruck
+43-720-010 188
Contact person
Ing. Hansjörg Weissskopf
Managing Director
Lisa Wolf
Marketing & Sales
Company information
Company type :
Manufacturer in Upper Austria
Founding year:
ISO 9001
Export rate:
65 %
Products & services

- energy storage solutions: GREENROCK saltwater electricity storage

- GREENROCK Home: 5 kWh – 30 kWh

- GREENROCK Business: 30 kWh – 270 kWh

- container solutions up to 1 MWh

- cooperation with universities and research institutes

BlueSky Energy
BlueSky Energy

BlueSky Energy: extension saltwater electricity storage

Cluster-News: July 2018

BlueSky Energy's saltwater storage system Greenrock has been further developed into a complete solution with an energy management system. It increased independence through off-grid operation, integration of different electricity producers, targeted control of predefined consumptions and electric charging stations. Various energy producers can be integrated into the energy management system. A 24 kWh Greenrock storage system was installed in a Swedish school. In addition, a 12 kWh storage system supplies a training centre in southern Ghana.

BlueSky Energy

BlueSky: "Greenrock" electricity storage

Cluster-News: January 2018

The new BlueSky "Greenrock" electricity battery is based on salt water technology. Features of this technology include environmental friendliness, safety, easy installation, no maintenance and adaptability to the needs of the customer. Greenrock storage solutions are suitable for homes and businesses who strive to optimise their electricity generation for their own consumption. The product is manufactured in Upper Austria.

BlueSky Energy

BlueSky Energy: Launch of EU funded project "Callia"

Cluster-News: November 2016

BlueSky Energy supports the EU project "Callia" in the area of electricity storage technologies. The project investigates the extent to which transnational interaction between distribution networks can facilitate the integration of renewable energies. The aim is a more efficient integration of decentralised energy sources and a stabilisation of the European electricity grid. To this end, network operators, research institutions and industrial companies from different countries have joined forces.

BlueSky Energy

Blue Sky Energy: ZBM redox-flow battery

Cluster-News: November 2015

Blue Sky Energy installed a ZBM redox-flow battery from the company Redflow at the University of Applied Science of Salzburg. The battery provides up to 5 kW of electricity and has a 10 kWh storage capacity. The battery is connected to the grid and supplied by the building's PV system. Thanks to this installation, students can test and optimise a renewable energy storage system directly on location.

BlueSky Energy

BlueSky Energy Entwicklungs- und Produktions GmbH

Cluster-News: May 2015

Development, production and sale of electricity storage systems (2 kWh - 10 MWh), as well as planning and design of electricity storage solutions for private households and industries.

BlueSky Energy
Energiesparverband OÖ
Landstrasse 45
​​​​​​​A-4020 Linz, Austria

How to reach us​​​​​​​


+43 732 / 7720-14380

or by e-mail to ​​​​​​​cleantech-cluster(at)