Solar cells for satellites remain niche, limited by rare materials and complex production

High-efficiency multijunction photovoltaic cells made from gallium arsenide and indium gallium phosphide have powered spacecraft since the 1960s, but their rare-material composition and batch manufacturing keep them expensive and inaccessib

First covered Sep 13, 2026 · 9:00 PM PT · 1 article · no longer in the live window

Solar cells for satellites remain niche, limited by rare materials and complex production — Image via pv-magazine.com

Coverage

13d PV Magazine Spacebound silicon — Solar has a long history in powering satellites and space exploration, and high-powered devices based on multijunction PV cells made from “III-V” materials…

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Appeared in: 2026-09-14 (#3)

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