Stirling Energy Systems was a -based company which developed equipment for utility-scale 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 purchased a majority stake in Stirling Energy Systems for $100M. As of 8/3/2011 NTR reported they were seeking 3rd party investment in Stirling Energy Systems.
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