A solid state imaging device includes: a pixel array section in which pixels including photoelectric conversion elements are two dimensionally arranged; a vertical selector that sequentially applies selective scanning to respective rows of the pixel array section; and a controller that discharges, when a mode for reading out only pixel signals of respective rows in a given row range in the pixel array section is set by the vertical selector, charges generated in the photoelectric conversion elements in respective pixels of rows outside the row range to a pixel power supply.
