. . "2011Z"^^ . . . "Stirling Energy Systems"@en . . . "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.In April 2008, Ireland-based NTR purchased a majority stake in Stirling Energy Systems for $100M."@en . "1996Z"^^ .