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Space

When losing a few PV panels can cost millions of dollars

European satellite operator Eutelsat has revealed one of the two solar arrays on its recently launched 5 West B satellite has been lost. Only 45% of the craft’s generation capacity can be operated, hitting the company’s bottom line to the tune of $5-10 million.

Efficiency record isn’t the biggest change for Alta Devices’ GaAS solar technology

Alta Devices’ gallium arsenide solar research cells have been certified with a 29.1% efficiency, setting a new single junction solar cell efficiency record. The most significant change, however, isn’t actually the efficiency; it is that the weight fell 30%, and from the words of Alta Devices, its process has lowered material costs to “essentially nothing”.

NASA tests new roll-out solar array in space

The space agency has successfully deployed its new roll out solar array in space for testing. The new panels are lighter and more flexible than the standard folded arrays on older satellites.

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