An electronic device and a method of controlling the electronic device are provided. The electronic device includes a broadcast receiving unit that receives a broadcast content, a communication unit that receives power information associated with a mart grid, the power information including at least one of per-time slot electricity rate information and power demand information, and a controller that selectively performs one of an operation of outputting the broadcast content received through the broadcast receiving unit and an operation of storing the received broadcast content in an internal memory or an external memory considering the received power information.