Redefining Heat through Innovation and Partnership

TIGI Completes Acquisition of SOLID (Austria)

The recent completion of acquisition of SOLID (Austria), a global player in the renewable heat domain, positions TIGI and SOLID as a leading players in the renewable heat market.


TIGI's advanced solar technology and expertise in industrial heat, combined with SOLID's established global project execution capacity.

Extended Global Footprint

The combined entity enjoys a robust pipeline of global projects and can cater to a wider range of clientele.

Combined talent and skill

The partnership enjoys a valuable team with unparallelled, extensive knowledge and experience in large-scale renewable heat, from technology through project management and project financing.

TIGI and SOLID the future of heating

Seizing the opportunity to lead in a transformative market.

Zvika Klier, CEO of TIGI, states:

“This marks the dawn of a new and exciting journey for TIGI. With the combination of our renewable thermal technology and SOLID’s solar heating expertise and pipeline of projects, TIGI is solidifying its position as a leading player in the large-scale renewable heating market.”

About TIGI

TIGI develops renewable heat generation and storage solutions and services. It supplies efficient systems that include its own patented and highly efficient solar thermal collectors, industrial heat pumps, smart storage, and cloud services. For more information, please visit


SOLID Solar Energy Systems is a pioneer right from the start in the Solar Thermal Industry. SOLID is headquartered in Graz Austria and has branch offices in San Diego/California and Singapore. With more than 30 years of experience in solar thermal systems and more than 300 installed systems worldwide we follow our passion day by day! SOLID serves customers in industry for process heat, in infrastructure for district heating and in commercial buildings for solar heating, cooling and hot water. For more information, visit

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