Published on April 18th, 2009 | by Lucille Chi23
Space Based Solar Power Satellite Program from PG&E and Solaren in California
April 18th, 2009 by Lucille Chi
Now PG&E in California, is planning to take their ability to tap renewable energy to a whole new level: solar power in space.“Solaren says it plans to generate the power using solar panels in earth orbit, then convert it to radio frequency energy for transmission to a receiving station in Fresno County. From there, the energy will be converted to electricity and fed into PG&E’s power grid.” ~ Next100.com
Solaren hopes to begin launching before 2016. The satellites will deploy the solar panels so they dock automatically together in orbit, resulting in an orbital power plant weighing roughly 25 tons if back here on Earth.
The advantages of space solar power include:
- energy that can be harnessed at all times, even at night or when it’s cloudy.
- baseload power delivery that makes efficient electricity possible for meeting customer demand.
- an underlying technology that is mature since it is based on communications satellite technology.
Before all this happens however, PG&E needs approval from the California State Legislature, through the California Public Utilities Commission for this Solaren Space Based Energy Contract. Currently, Solaren is preparing to launch space rockets containing the solar panels and they have been working with United Launch Alliance (a joint venture of Lockheed Martin and The Boeing Company) on such launches.
Solaren Corporation, is a start-up company nearly a decade old based in southern California that:
- consists of a number of aerospace engineers.
- has headquarters located in Manhattan Beach and Los Angeles County, California.
- expects to launch four or five heavy-lift rockets containing the solar panels.
A competitor of Solaren is a company called Space Energy formed to harness solar energy from space using similar techniques. Solar energy from space has never been captured commercially, mostly because the cost was always considered too high. 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.” ~Telegraph.co.uk
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