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Lazarus: Space Based Solar Power, a Matter of National Security

2007-12-19T19:41:49Z

Space Based Solar Power, a Matter of National Security

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Space Based Solar Power

The DOD National Security Space Office (NSSO) has published a feasibility study on Space Based Solar Power (SBSP). It says that advances in photovoltaics, electronics, robotics and space-based construction, coupled with the increasing importance of energy security and climate change, now make SBSP a serious option. Kilometre-sized solar panel arrays, probably in geostationary orbit (GEO), would gather sunlight and then transmit the electrical power to Earth via laser or microwave beams. A kilometre-wide band at GEO receives a solar flux in one year of about 212 terawatt-years, comparable to the energy in all known recoverable conventional oil reserves (250 TW-yrs). The report recommends the US government should invest $10bn over the next decade to build a test satellite to beam down 5 to 10 MWe. This would be large enough to provide proof-of-concept and would also have great value for military logistics by delivering power flexibly to remote locations. The biggest challenge in building a full system would then be how to launch so much mass into orbit, even if most came from the Moon.

[http://www.newscientist.com/article/dn12774.html]

[http://www.space-frontier.org/Presentations/SBSPInterimAssesment0.1.pdf]

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 Space Based Solar Power
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-   The DOD National Security Space Office (NSSO) has published a feasibility study on Space Based Solar Power (SBSP). It says that advances in photovoltaics, electronics, robotics and space-based construction, coupled with the increasing importance of energy security and climate change, now make SBSP a serious option. Kilometre-sized solar panel arrays, probably in geostationary orbit (GEO), would gather sunlight and then transmit the electrical power to Earth via laser or microwave beams. A kilometre-wide band at GEO receives a solar flux in one year of about 212 terawatt-years, comparable to the energy in all known recoverable conventional oil reserves (250 TW-yrs). The report recommends the US government should invest $10bn over the next decade to build a test satellite to beam down 5 to 10 MWe. This would be large enough to provide proof-of-concept and would also have great value for military logistics by delivering power flexibly to remote locations. The biggest challenge in building a full system would then be how to launch so much mass into orbit, even if most came from the Moon.
+The DOD National Security Space Office (NSSO) has published a feasibility study on Space Based Solar Power (SBSP). It says that advances in photovoltaics, electronics, robotics and space-based construction, coupled with the increasing importance of energy security and climate change, now make SBSP a serious option. Kilometre-sized solar panel arrays, probably in geostationary orbit (GEO), would gather sunlight and then transmit the electrical power to Earth via laser or microwave beams. A kilometre-wide band at GEO receives a solar flux in one year of about 212 terawatt-years, comparable to the energy in all known recoverable conventional oil reserves (250 TW-yrs). The report recommends the US government should invest $10bn over the next decade to build a test satellite to beam down 5 to 10 MWe. This would be large enough to provide proof-of-concept and would also have great value for military logistics by delivering power flexibly to remote locations. The biggest challenge in building a full system would then be how to launch so much mass into orbit, even if most came from the Moon.
 [http://www.newscientist.com/article/dn12774.html]

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Lazarus: Space Based Solar Power, a Matter of National Security