mark duran was staying nice and dry in his living room until he heard what sounded like an explosion. >> we're watching tv and watching the basketball game and all of a sudden we heard a big bang on the wall. >> reporter: immediately after he and his wife were in the dark. a tree limb fell onto a power line that connects to his home, ripping it out of his electrical box. >> there were live wires. i'm not going to step -- my son works at pg&e and he told me when you see wires, don't go any farther. >> reporter: pg&e crews have been busy throughout the night responding to these storm-related calls. there wasn't much pg&e was able to do for the durans tonight until they get their electrical box fixed. >> now it's all on me. i got to either try to find the part myself, put it in or have to call an electrician to come and do it before pg&e will hook up to it. they won't hook up to it. >> reporter: the santa rosa fire department has been out responding to downed power lines and flooded streets. one of the biggest concerns, especially at night, is that these flooded areas are extremely hard