Member - SOLID Solar Energy Systems

SOLID is a solar thermal expert in following applications: Solar District Heating Solar Process Heat Solar Air-Conditioning Solar Domestic Hot Water & Heating Any mix of above.

Type Company
Founder 1992
Company Size 20
Member Type
Founders Christian Holter, Franz Radovic
Headquarters 8020 Graz, Autriche
Social network


SOLID has been planning, building, delivering, assembling and operating large-scale solar plants around the world, providing hot water, room heating, industrial process heat and district heating for towns and villages. SOLID also designs and builds solar chilled water plants, including the largest commercial solar cooling projects currently in operating. The project sizes today are typically in a range from 300 kWthermal up to several MWthermal nominal capacity. With its unmatched experience in design and operation of large-scale solar plants, SOLID is both a pioneer and one of the world’s leading companies in the solar industry.
Headquarters 8020 Graz, Autriche

SDG’s of application

The Sustainable Development Goals are a call to action to end poverty, protect the planet and ensure peace and prosperity everywhere.
Clean Water and
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Affordable and
Clean Energy
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Industry, Innovation
and Infrastructure
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SDG 11
Sustainable Cities
and Communities
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SDG 12
Responsible Consumption
and production
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