A PDP energy recovery apparatus and method controls the time point of charging and discharging energy to a plasma display panel optimally and performs a high speed addressing. A count comparing module compares the number of accesses during the first period and the second period and determines whether the number of accesses during the second period is greater or less than the number of accesses during the first period by a predetermined amount. The amorphous silicon film is patterned. A molded plastic housing entirely and hermetically covers the intermediate assembly except a connector part thereof where leading ends of the terminal pins are positioned.