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Directory:eSolar

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Utility-Scale Solar Power

eSolar thermal power systems use reflected sunlight via small heliostats as a heat-source to drive electric generators.

Using small heliostat size and the advantage of mass production, eSolar systems were designed to minimize cost, realizing economy-of-scale at 33 MW, becoming cost competitive with fossil-fuel-powered plants. Projects range from 25 MW to over 500 MW.

eSolar is slated to have its first fully operational power plant later in 2008 in southern California.

Table of contents

1 About

1.1 Official Website
1.2 How it Works
1.3 Advantages
1.4 Patents
1.5 Profiles

1.5.1 Company: eSolar

2 Coverage

2.1 In the News
2.2 Press Releases
2.3 Other Coverage
2.4 Comments

3 Contact

4 See also

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About

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Official Website

http://www.esolar.com
- eSolar Solution (http://www.esolar.com/solution.html)
- Technology (http://www.esolar.com/technology.html)
- Company Overview (http://www.esolar.com/overview.pdf) (pdf)
- The Market (http://www.esolar.com/market.html)
- About Us (http://www.esolar.com/about.html)

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How it Works

Rather than using large reflective surfaces, the eSolar array uses smaller reflective surfaces, reducing the installation costs, control costs. The smaller size also means increased construction speeds. Also the decreased wind profile means increased up-time. Each array, or module, is 25 MW; which can be multipled for larger plant needs.

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Advantages

Smaller heliostat size
- increases economy of scale.
- fit efficiently into shipping containers
- pre-assembled in factory to reduce on-site labor
- complete replacement units can be stocked on site and installed quickly at low cost.

Fast Installation - eSolar has designed a solar field layout that minimizes installation time and cost. By employing a repeating frame structure and a revolutionary calibration system, eSolar has eliminated the need for high-precision surveying, delicate installation, and individual alignment of mirrors. Minimal skilled labor is needed to build the solar field, allowing for mirror deployment efficiencies that scale with project size and deadlines.

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Patents

list here

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Profiles

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Company: eSolar

eSolar is an Idealab (http://www.idealab.com/) company founded by CEO Asif Ansari in 2007 to develop, construct and deploy modular, scalable solar thermal power plants. eSolar’s approach marries a low-impact, pre-fabricated form factor with advanced optics and computer software engineering to meet the demands of utilities of any size for clean, renewable and costcompetitive solar energy. By focusing on the key business obstacles that have characterized large solar installations from its inception – price, scalability, speed of deployment and grid impact – eSolar has developed a proprietary solution to make a dramatic reduction in the cost of solar thermal technology. eSolar is based in Pasadena, California and has 70 employees. [1] (http://www.idealab.com/frame.php?referer=/&url=/view_pdf.php%3Fpdf%3D1208792316)

“eSolar’s primary business goal is nothing short of making solar electricity for less than the price of coal, without subsidies,” said Bill Gross, eSolar Chairman and Founder of Idealab. [2] (http://www.idealab.com/frame.php?referer=/&url=/view_pdf.php%3Fpdf%3D1208792316)

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Coverage

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In the News

Hot kilowatts: Infinia, Stirling Energy Systems, eSolar get money (http://www.news.com/8301-11128_3-9925317-54.html?tag=newsmap) - Stirling Energy Systems announced a $100 million investment. Infinia said it has taken an additional $7 million, part of a total of $57 million in a Series B round. eSolar said it has raised $130 million from Idealab and Google.org. (CNET; Apr. 22, 2008)

eSolar Backing Shows Sector's Health (http://online.wsj.com/article/SB120874388355030269.html?mod=todays_us_money_and_investing) (subscription required) (Wall Street Journal; April 21, 2008)

eSolar: Utility-Scale Solar Power (http://www.esolar.com/) - eSolar heliostats were designed to minimize cost, realizing economy-of-scale benefits at much smaller power plant sizes than traditional solar thermal plants. Mass manufacturing means eSolar power plants are cost competitive with fossil fuels.

Renewables Cheaper than Coal (http://www.ecogeek.org/content/view/1175/) - Google announced a new initiative, known as RE<C, to develop electricity from renewable energy sources that will be cheaper than electricity produced from coal. To start with, a wind and a solar firm have been identified as Google's early bets: eSolar (http://www.esolar.com/) (solar thermal power) and Makani Power (http://www.makanipower.com/home.html) (high-altitude wind). (EcoGeek; Nov. 27, 2007)

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Press Releases

eSolar Announces Breakthrough Pre-Fabricated Solar Power Plants (http://www.idealab.com/frame.php?referer=/&url=/view_pdf.php%3Fpdf%3D1208792316) - Raises $130 Million from Idealab, Oak, Google to Accelerate Deployment (April 21, 2008)

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