Cutting-Edge Technology for Space

CESI Space, the space Business Unit of the CESI Group, is a global leader in the research and production of high efficiency multi junction solar cells based on GaAs compounds for commercial civil space applications. With over 30 years of experience, CESI Space is one of the four leading   providers of space solar cells  worldwide.

A Trusted Partner for the Most Ambitious Space Missions 

CESI Space has developed state-of-the-art technologies, evolving from single-junction to advanced multi-junction solar cells. Its innovations have also contributed to interplanetary missions to Mercury, Mars, and Jupiter. To date, more than 250,000 CESI Space solar cells provide energy to over 100 satellites across 25+ countries.

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Advanced Performance for the Future of Space

Manufactured in the Milan-based facility, CESI Space triple-junction solar cells deliver a typical efficiency of 30%, with ongoing investments towards 32%. These cutting-edge solutions ensure greater power and reliability for future space missions.

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A New Production Line for the Space Industry

To meet the growing demand, CESI Space has expanded its production capabilities and capacity by adding a new state-of-the-art manufacturing line, to further enhance efficiency and output.

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A Continuous Commitment to Innovation

CESI Space remains at the forefront of space technology, investing in pioneering solutions to power satellites, driving progress and innovation in the global space industry. This commitment is underpinned by rigorous operational standards. In full compliance with EN 9100 requirements for the aerospace sector, CESI Space conducts its activities in accordance with its HSEQ policy, with a strong focus on workplace health and safety, environmental protection, reliability, on-time delivery and consistently meeting customer needs, in line with CESI Group principles.

For more information, please contact us at solar@cesi.it

Datasheet CTJ-30 Datasheet CTJ-LC Datasheet CTJ30-Thin