Stirling Energy Systems
Stirling Energy Systems is a Scottsdale, Arizona-based company which developed equipment for utility-scale renewable energy power plants and distributed electrical generating systems using parabolic dish and stirling engine technology, touted as the highest efficiency solar technology.
On 29 September 2011 Stirling Energy Systems filed for Chapter 7 bankruptcy.
In April 2012 the Maricopa Solar plant in Phoenix, Arizona was bought by British company United Sun Systems in a joint venture with a Chinese/American corporation.
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 Research Center, the U.S. Department of Energy (DOE), and The Boeing Company for solar power plants. SES claims it 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 power generation applications.
On 29 September 2011 Stirling Energy Systems filed for Chapter 7 bankruptcy as the stirling dish technology could not compete against the falling costs of solar photovoltaics, according to media reports. 
In April 2012 the Maricopa Solar plant in Phoenix, Arizona was bought by a European - Chinese formation based in London called United Sun Systems
At the beginning of 2011 Stirling Energy's development arm, Tessera Solar, sold off its two large projects, the 709 MW Imperial Valley Solar Project and the 850 MW Calico Solar Energy Project to AES Solar and K.Road, respectively.
See also 
- Stirling Energy Systems Solar Power Plant, California
- Wind Capital gets a $150 million boost
- NTR posts record-breaking losses of €381m
- Stirling Energy caves in against PV's falling costs
- UPDATE 3-U.S. DOJ seeks trustee in Solyndra bankruptcy
- AES Solar buys Tessera Solar’s Imperial Valley project with intent to turn CSP into PV
- Tessera Solar Sells Troubled 850mw Project
- November 15, 2005 in Wired News -Stirling Systems signed contracts with Con Ed to build plants in the Mojave.
- 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.
- Irish Times NTR posts record-breaking losses of €381m