CESI has 30 years’ experience in the research, development and production of high efficiency solar cells for space applications and is one of the top global suppliers of multi-junction cells.

CESI has made more than 200,000 solar cells that have powered more than 100 civil satellites. CESI space solar cells use is exclusively civil and commercial, and for European clients.

CESI has developed close and lasting links with international space agencies and actors around the world. Our investments in research in this field have been supported by funding from the Italian National Space Agency (ASI) and the European Space Agency (ESA).

CESI is well regarded for its expertise in the development and manufacturing of advanced and proven space solar cells within the ESA European space program frames. Additionally CESI has contributed to many interplanetary missions (e.g. to Mercury, Mars and Jupiter).