Paving the way for generating space-based solar power, Japanese researchers have succeeded in transmitting electrical power wirelessly to a pinpoint target using microwaves.
The team at the Japan Aerospace Exploration Agency (Jaxa) transformed 1.8 kilowatts of electric power into microwaves and transmitted it with accuracy to a receiver located 55 metres away, Wall Street Journal reported.
For space-based solar power generation, sunlight is gathered in geostationary orbit and transmitted to a receiver on Earth.
“If implemented, microwave-transmitting solar satellites would be set up approximately 35,000 km from Earth by 2030,” a spokesperson from Jaxa was quoted as saying.
A receiver set up on Earth with an approximately three-km radius can create up to one gigawatt of electricity — about the same as one nuclear reactor.
Researchers “are aiming for practical use in the 2030s”, posted Jaxa researcher Yasuyuki Fukumuro on its website.
Satellite-based solar panels can capture the energy around-the-clock and are not affected by weather conditions, the report added.(IANS)