Space, the new frontier of photovoltaics

This isn’t science fiction: producing photovoltaic energy directly in space and then beaming it down for use on Earth is the focus of the European Space Agency’s SOLARIS project, which we’re also involved in. The first major goal: to place a one-megawatt power plant in orbit by 2030. The results of the project will also be useful for “terrestrial” photovoltaic applications.

Space-based solar power has been around for more than 60 years: in fact, in 1958, the U.S. satellite Vanguard 1 was the first spacecraft to use a sub-one-watt power panel to operate a radio transmitter. The satellite stopped working a few years later, but it’s still in orbit: not only did it pave the way for the use of solar energy in space, it’s also the oldest human-made object orbiting the Earth. In the meantime, technology has advanced: today the International Space Station is equipped with more than 400 square meters of panels, which provide it with more than 240,000 times the energy of that first small installation on Vanguard 1.

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Source: Enel Green Power

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