Pasadena-based eSolar Inc. has signed a deal with a Chinese electric equipment manufacturer to build solar thermal power plants throughout China.  The agreement between eSolar and China Shandong Penglai Electric Power Equipment Manufacturing Co. calls for eSolar to provide the technology and information to build solar farms with a capacity totaling 2,000 megawatts over the next decade.  The first plant will have a 92 megawatts capacity and will be built in 2010 in the Mongolian desert in northern Chinanorthern China at the Yulin Alternative Energy Park.  Plans are for the solar thermal power plants to be co-located with biomass facilities, the companies said in a press release.