Build this one yourself as it is a bolt together design that can be built in the average home workshop with a limited amount of engineering skills and equipment

Producing power from thermal sources, including geothermal, waste steam, solar, and biofuels.

Operated by Sandia National Laboratories for the U.S. Department of Energy. It is a test facility devoted to the development of the use of solar energy. .

Very briefly describes an outline design for a machine that converts atmospheric heat to mechanical or electrical energy.

Information about solar pool heating, solar water heating, and some photovoltaics for residential applications.

The Department of Energy's Concentrating Solar Power Program site provides information about electric power options using concentrated sunlight.