Solel Solar Systems Ltd. (Hebrew: סולל‎) was an Israeli solar thermal equipment designer and manufacturer based in Beit Shemesh, Israel. Solel made equipment for solar thermal power plants, facilities that used the sun's heat to create steam and turn an electricity generator.In 2007, Solel signed a contract with Pacific Gas & Electric to supply 553 MW from its planned Mojave Solar Park, California. The parabolic trough project was cancelled in 2011.