HistoryDenmark is well known for its focus on the development of clean energy technologies. This, as a result, places Denmark globally in the top five within the areas of wind power, combined heat and power (CHP), high-energy utilization, and biomass utilization. Stirling DK is the newest addition in a series of highly innovative and globally recognized entreprises. Stirling DK has developed a unique, energy efficient CHP-technology using Stirling engines to produce CO2-neutral heat and power from wood chips and other bological sources. 
| 1990 | Research work commences at DTU (The Technical University of Denmark) | | 1992 | 1-cylinder engine operates for the first time | | 1993-95 | Development of Stirling engine with particular focus on biomass combustion | | Sep 1995 | First test of 35 kWe biomass fuelled Stirling engine | | 1995-04 | Laboratory testing and further development | | 2001 | First updraft gasifier based research plant in operation in Ansager, Denmark | | 2004 | Stirling DK is founded with an investment from DTU Innovation | | 2004 -today | Operation of several engines on boiler installations in Austria and Germany | | Aug 2006 | Commercial operation commences with investments from Vækstfonden, SEED Capital and EGJ Udvikling | | Oct 2008 | First commercial updraft gasifier based Stirling engine plant in operation in Italy | | Dec 2008 | First commercial pyroloysator based Stirling engine plant in operation in Denmark | | 2009 | Start of operation of commercial updrft gasifier based plants in Denmark and Germany |
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