Japan takes first step toward space-based solar power supply

Airborne solar panels to beam back energy in trial of technology

20241203N Space based solar power

Space-based solar panels are said to be 10 times more effective in generating electricity than terrestrial solar farms. © RISH, Kyoto University

SATOSHI KAWAHARA, Nikkei staff writer

TOKYO -- A team of Japanese researchers are launching an experiment Wednesday to test technology that would collect solar energy in space and transmit power to Earth.

Japan Space Systems (JSS) will operate aircraft equipped with energy transmission panels flying 5-to-7 kilometers above sea level and beam back microwaves to the ground that will be turned into electricity. JSS is conducting the project under commission from Japan's Ministry of Economy, Trade and Industry.

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