2023-05-28 23:43:38| Engadget
Japan and JAXA, the countrys space administration, have spent decades trying to make it possible to beam solar energy from space. In 2015, the nation made a breakthrough when JAXA scientists successfully beamed 1.8 kilowatts of power, enough energy to power an electric kettle, more than 50 meters to a wireless receiver. Now, Japan is poised to bring the technology one step closer to reality.Nikkei reports a Japanese public-private partnership will attempt to beam solar energy from space as early as 2025. The project, led by Naoki Shinohara, a Kyoto University professor who has been working on space-based solar energy since 2009, will attempt to deploy a series of small satellites in orbit. Those will then try to beam the solar energy the arrays collect to ground-based receiving stations hundreds of miles away.Using orbital solar panels and microwaves to send energy to Earth was first proposed in 1968. Since then, a few countries, including China and the US, have spent time and money pursuing the idea. The technology is appealing because orbital solar arrays represent a potentially unlimited renewable energy supply. In space, solar panels can collect energy no matter the time of day, and by using microwaves to beam the power they produce, clouds arent a concern either. However, even if Japan successfully deploys a set of orbital solar arrays, the tech would still be closer to science fiction than fact. Thats because producing an array that can generate 1 gigawatt of power or about the output of one nuclear reactor would cost about $7 billion with currently available technologies.This article originally appeared on Engadget at https://www.engadget.com/japan-will-try-to-beam-solar-power-from-space-by-2025-214338244.html?src=rss
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