Archives: News

New developments in geomembranes for pit heat storages

Large solar thermal systems need large heat storage capabilities. Especially if the solar heat is to contribute significantly more than 25 % to a district heating network. Pit thermal energy […]

Radically new design of a concentrating collector in an inflatable

Conventional parabolic trough collector design and operation present numerous costly challenges: bearing foundation pylons must be robust while remaining mobile, the concentrator’s curved mirrors and receivers require optimal alignment, and […]