Silicon solar cells could cut satellite power costs by up to 90%

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Research from the University of Surrey indicates that switching to silicon solar cells could reduce the cost of powering satellites by up to 90%. These solar cells are also lighter, potentially lowering launch costs and allowing more payload capacity.

Switching to modern silicon solar cells could cut the cost of powering satellites by as much as 90% based on beginning-of-life (BOL) performance, according to a review led by the University of Surrey. The switch to silicon cells could also halve the weight of the solar cells needed on a spacecraft, freeing mass for fuel or instruments or cutting launch costs.