in the kanto region somewhere around route 10-15 hope i helped :D
a piece of the power planet's generator
in the power plant
He is outside the power plant
Viridian forest, Power plant.
you go to the power plant in the kanto reigon
You can't.You have to surf.
zapdos is beside the kanto power plant
Walk around the power plant for a bit
get the missing part from cerulean gym,and take it back to the power plant and talk to that guy who boss of the plant.
fix the power plant and then get it from the guy in the brown hat
He's outside the Power Plant in Kanto. :D
go back to misteys gym and she will be there