New Company Looks to Produce Space Based Solar Power Within a Decade | Universe Today

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February 18th, 2009

New Company Looks to Produce Space Based Solar Power Within a Decade

Is space-based solar power (SBSP) a technology whose time has come? The concept and even some of the hardware for harnessing energy from the sun with orbiting solar arrays has been around for some time. But the biggest challenge for making the concept a reality, says entrepreneur Peter Sage of Space Energy, Inc., is that SBSP has never been commercially viable. But that could be changing. Space Energy, Inc. has assembled an impressive team of scientists, engineers and business people, putting together what Sage calls "a rock-solid commercial platform" for their company. And given the current looming issues of growing energy needs and climate change, Space Energy, Inc. could be in the right place at the right time.

"Although it’s a very grandiose vision, it makes total sense," Sage told Universe Today. "This is an inevitable technology; it's going to happen. If we can put solar panels in space where the sun shines 24 hours a day, if we have a safe way of transmitting the energy to Earth and broadcasting it anywhere, that is a serious game changer." If everything falls into place for this company, they could be producing commercially available SBSP within a decade.

The basic concept of SBSP is having solar cells in space collecting energy from sun, then converting the energy into a low intensity microwave beam, sending it down to Earth where it is collected on a rectenna, and then fed into the power grid to provide electricity. Almost 200 million gigawatts of solar energy is beamed towards the Earth every second, which is more energy than our civilization has used since the dawn of the electrical age. We only need a way to harness that energy and make ...

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