January 28, 2009 6:32 pm HIgh Electricity Bill SDG&E blames the increase mostly on higher demand for natural gas during colder months. US & World Videos 2:32 Students and staff confused after the University of Saint Katherine closes abruptly 2:58 NASA researchers aim to enhance safety, flight operations in wildland firefighting 2:47 San Diego welding students recreate replica of historic Black Family Statues 4:29 Escondido woman warned husband may be a killer: Dateline 2:25 Oceanside Pier fire still smoldering