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Directory:Stirling Energy Systems

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&lt&lt A Congress:Top 100 Technologies -- RD Energy Technology &gt&gt

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Stirling Engine Systems is developing equipment for utility-scale renewable energy power plants and distributed electrical generating systems.

Their two California facilities will have a combined production capacity of 1.75 Gigawatts -- the same as Hoover Dam. The first phase is expected to go online in Q4 2010, with completion a couple years later, making it the Directory:Solar:Largest solar installation in the world.

President Bush selected the Sandia National Laboratories location as a backdrop for his signing of the Energy bill Aug. 8, 2005, with Stirling Engine Systems solar arrays in view at the facility. The 500 MW purchase agreement with Southern California Edison was signed the next day on Aug. 9, 2005.

"I'm having a hard time thinking of how we can top that," said Bruce Osborn, Stirling CEO.


Official Website

Image Gallery


future > Genset

future > Biogas

Solar dish QuickTime movie (11MB)


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Download - On May 26, 2007, Congress:Founder:Sterling D. Allan conducted a 1-hour, live interview with Bruce Osborn, CEO of Stirling Energy Systems for the of Free Energy Now radio series.


Solar Energy 3D Animation by Atticus Digital for Tessera Solar SunCatcher™


Tessera Solar's SunCatcher™ system is an alternative to current solar panels and a efficent source of solar power. Harnessing the suns energy affordably, while consuming small amounts of water resources. The SunCatcher™ Solar Dish Stirling System is truly that new next generation alternative CSP technology and represents a utility-scaleclean energy solution. The SunCatcher™ is a 25-kilowatt-electric (KWe) solar dish Stirling system designed to automatically track the sun and collect and focus solar energy on to a power conversion unit (PCU), which generates electricity. (YouTube'' July 15, 2009)

SunCatcher Power System Ready For Commercial Production (Alt. Energy News July 21, 2009)

Stirling Dish 500MW Solar Power Plant


(YouTube'' November 11, 2007)


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According to their website, Stirling Energy Systems (SES) is a systems integration and project management company that is developing equipment for utility-scale renewable energy power plants and distributed electric generating systems ("gensets"). SES is teamed with Kockums Submarine Systems, NASA-Glenn Laboratories, the U.S. Department of Energy (DOE), and The Boeing Company for solar power plants. SES is positioned to become a premier worldwide renewable energy technology company to meet the global demand for renewable electric generating technologies through the commercialization of its own Stirling cycle engine technology for solar and genset applications. In the future, SES will also be participating in the biogas, and hydrogen markets.

How it Works

Each dish unit consists of 82 mirrors formed in a dish shape to focus the light to an intense beam. The solar dish generates electricity by focusing the sun’s rays onto a receiver, which transmits the heat energy to a Stirling engine. The engine is a sealed system filled with hydrogen. As the gas heats and cools, its pressure rises and falls. The change in pressure drives the pistons inside the engine, producing mechanical power, which in turn drives a generator and makes electricity.

Stirling Engine


In the News

PESN Coverage
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Congress:Top 100 Technologies -- RD / Latest: Current events > Directory:Environmental Hall of Fame > Environmental Hall of Fame, Chicago '08 -- Awesome - Thirty-six movers and shakers from the environmental movement receive awards, including two individuals from the NEC's Top 100 Clean Energy Technologies listing. (PESN Nov. 26, 2008)

Stirling Energy Systems set new world record of 31.25% for solar-to-grid conversion efficiency. (Sandia Lab press release: Feb. 12, 2008)

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Eneco is Engineering Low-Heat-to-Electricity Conversion for Market - The science is done, what remains is to engineer for production, with applications such as waste-heat and concentrated solar energy harnessing. (PESN Jan. 6, 2007)

Mentiones Stirling Energy Systems as a possible application of this solid state thermal-electric conversion technology -- replacing the stirling engine.

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Stirling Energy Systems Signs New Contract for 300 MW - Stirling engine design company has signed a second contract with a major utility in California. Newest contract has options to go to 900MW. Say it is grid competitive. (by Congress:Member:Sterling D. Allan PESN Oct. 12, 2005)

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World's largest solar installation to use Stirling engine technology 20-year purchase agreement between Southern California Edison and Stirling Energy Systems, Inc. will result in 20,000+ dish array, covering 4,500 acres, and capable of generating 500 MW -- more electricity than all other present U.S. solar projects combined. (by Congress:Member:Sterling D. Allan PESN Aug. 11, 2005)

Other News Stories

Google News >

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Template: 43: Directory:Solar > Directory:Concentrated Solar Power / Directory:Stirling Engines > Directory:Stirling Energy Systems > More Bad News for Stirling: So. Cal. Edison Cancels Power Purchase Agreement - Due to a price drop in silicon, the market is favoring PV over thermal farms except where the thermal can be used for storage, which it isn't in the SES system. A judge's ruling in favor of a Native American tribe for the land for a project that was to have produced 700 MW hasn't helped either. (GreenTech Media December 23, 2010)

Are Stirling Energy, Tessera Solar in Trouble? - Steve Cowman, who was the CEO at SES until recently, has left the company, as have a number of other executives. Meanwhile, Tessera laid off between 50% to 80% of its employees last month, according to sources. (GreenTechMedia Dec. 7, 2011)

Stirling Is Gold - Salt River Project announced the opening of a new concentrating solar power pilot project in late January. The 1.5 MW Maricopa Solar installation is the first commercial project for the SunCatcher, a 25 kW dish/Stirling power system developed by Scottsdale, Ariz.-based Stirling Energy Systems (SES). (Renewable Energy World April 21, 2010)

Template: 43: Directory:Solar > Directory:Solar PhotoVoltaics / Directory:Concentrated Solar Power > Directory:Stirling Energy Systems > Stirling Energy Systems and Boeing cooperate on solar - Stirling Energy Systems (SES) and the Boeing Company are cooperating to complete the commercialisation and deployment of Boeing’s high concentration photovoltaic (HCPV) solar power technology. SES will have exclusive rights to develop, manufacture and deploy Boeing’s XR700 HCPV solar technology, which will be aimed at smaller scale projects of 50MW and below. (Renewable Energy Focus Apr. 6, 2010)

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Template: 43: Directory:Solar > Directory:Concentrated Solar Power > Directory:Stirling Energy Systems > Stirling Energy Systems Unveils Commercial Scale Plant (video) - A first look at Stirling Energy Systems' Maricopa Solar plant in Arizona, hearing from Tessera Solar CEO Bob Lukefahr about the companies' plans for future developments. (Renewable Energy Access Jan. 25, 2010)

Proposed plant would power 500,000 homes in San Diego

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Congress:Top 100 Technologies -- RD:Directory:Concentrated Solar Power > Hot kilowatts: Infinia, Stirling Energy Systems, eSolar get money - Directory:Stirling Energy Systems announced a $100 million investment. Directory:InfiniaCorp said it has taken an additional $7 million, part of a total of $57 million in a Series B round. Directory:eSolar said it has raised $130 million from Idealab and (CNET Apr. 22, 2008)

Solar Dishes for Big Appetites (Distributed Energy January/February 2006)

(PZ) CPUC Approves SDG&E Contract for Solar Power - Contracts approved to purchase 300 megawatts (MW) of solar power by Stirling Energy Systems, with the potential to grow to 900 MW within 10 years, making it one of the largest in the world. (Chronicle Dec. 20, 2005)

Huge Solar Plants Bloom in Desert - A 500-megawatt solar installation is expected to cover 4,500 acres of land with 20,000 large, dish-shaped mirrors. (Wired Nov. 15, 2006)

May 2005 in Fortune Magazine - Stirling Energy Systems makes Fortune Magazine’s 25 BREAKOUT COMPANIES 2005.

Feb 2005 in Popular Science Magazine - Dishing Out Real Power - Costs are down, interest is up, and the Stirling solar system is ready to flick the switch.

Jan 2005 in US News - It has been said that solar energy is the future of energy and always will be. But growing concern about climate change and high oil prices is generating new interest in ways to more efficiently capture the power of the sun.

October 29, 2004 in Sandia Lab News - Sandia joins forces with Stirling Energy Systems to build, test mini power plant of six solar dish systems - See "Sunlight Stirling" paragraph (by Congress:Member:Tai Robinson April 24, 2004) - ????????? ???????? ???? ??? ?????????????? ?????????

Other Coverage



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Display File Source

Stirling Engine Systems was exhibited at the Congress:Top 100 Clean Energy Technologies Exhibited at the Chicago Hall of Fame, 2008


Stirling Engine Systems


Bruce Osborn, CEO

or Robert Liden, Executive VP, General Manager

E-Mail: []


See Talk:Directory:Stirling Energy Systems

See also

Congress:Top 100 Technologies Energy Hall of Fame Chicago

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