The Advanced Stirling Convertor is being developed for NASA's Glenn Research Center GRC with critical technology support tasks led by GRC.

The Advanced Stirling Convertor (ASC) is being developed by Sunpower, Inc. for NASA's Glenn Research Center (GRC) with critical technology support tasks led by GRC. The goal of the ASC project is to develop a highly efficient, low mass, reliable power convertor for future Radioisotope Power Systems (RPS), NASA's Science Mission Directorate; Stirling Lab