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Pacific Gas and Electric, which serves San Francisco and northern California, has announced it will seek approval from US regulators to purchase 200 megawatts worth of solar energy delivered from solar panels located in space.

The panels will be built and put in place by space solar power company Solaren over 15 years. Once completed, it is hoped they could produce enough clean energy to fuel half a million homes.

Solaren plan to fire a satelitte into space by a rocket. The device will be able to convert solar energy into a usable form and send it wirelessly to Earth.

Capturing solar energy from space has never been done commercially, mostly because the cost was considered too high.

But Solaren claims it has developed a technology that would make it commercially viable within the next seven years.

The project was announced on a question and answer session on Pacific Gas and Electric's blog: "While a system of this scale and exact configuration has not been built, the underlying technology is very mature and is based on communications satellite technology. For over 45 years, satellites have collected solar energy in earth orbit via solar cells, and converted it to radio frequency energy for transmissions to earth receive stations. This is the same energy conversion process Solaren uses for its (space solar power) plant," it said.

The advantage of space solar power is that energy can be harnessed at all times, even at night or when it's cloudy. Solaren's contract calls for it to deliver baseload power, the electricity needed to meet customer demand.

Another company called Space Energy has been formed to also tap solar energy from space using a similar technique as Solaren.

Daniel Kammen, professor in energy and resources at the University of California, Berkeley, told the Guardian: "The ground rules are looking kind of promising ... it is doable. Whether it is doable at a reasonable cost, we just don't know."
Nick: JirkaPraha, 17.4.2009 11:50:34
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iRobot company featured idea, how resolve funding of health insurance in future. He means that robotic nurses are the best resolve. New robotic nurses could have to save millions in state budget...
Science and Technics
29.3.2010 09:19:03 | Nick: JirkaPraha
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Swiss adventurer Bertrand Piccard wants fly over Atlantic ocean and than even World with solar plane called Solar Impulse. Look, how will appear fly of Solar Impulce. More about this project on...
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28.1.2010 09:45:44 | Nick: JirkaPraha
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Anchorage (USA) – Melting of arctic glaciers that is commonly seen as an adverse effect of the global warming has at least one positive effect. Due to the melting, scientists can execute their...
Science and Technics
27.1.2010 10:00:21 | Nick: JirkaPraha
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American company called Envion started service of the first recycling machine in Semptember 2009 without interest of media. This machine recycles plastic garbage made from oil and it makes oil again...
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30.12.2009 09:15:03 | Nick: JirkaPraha
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28.12.2009 09:49:09 | Nick: JirkaPraha
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Reading of ideas went off be variety attraction and using of their power to functioning on neighborhood by effect from paranormal domain. It goes about only about practice using of magnetic...
Science and Technics
23.11.2009 09:15:52 | Nick: JirkaPraha
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Rocket, which has to send American astronauts in to the space after end flies of space shuttle, has to take off on Thursday 27.10.2009 without persons. Meteorological news implies start will be on...
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30.10.2009 09:06:06 | Nick: JirkaPraha
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Submitter of advert in countryside is interested in, what group addresses this way. System Next Generation Digital Signage Solution for recognizing of faces researched by company NEC could help them....
Science and Technics
29.10.2009 09:31:33 | Nick: JirkaPraha



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