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Directory:Stirling Energy Systems

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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 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



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


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

  • 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.

Other News Stories

  • 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)
  • Top 100: Solar > PV / Concentrated > SES >
    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)
  • (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)
  • 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.
  • - Солнечные тирлинги дают бой альтернативной нергетике;

Other Coverage


Display File Source

Stirling Engine Systems was exhibited at the Top 100 Clean Energy Technologies Display at the Environmental Hall of Fame in Chicago, 2008


Stirling Engine Systems
Bruce Osborn, CEO
or Robert Liden, Executive VP, General Manager


See Discussion page

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