A power conversion circuit energization unit includes a bus bar module and a conductive fixing bolt. The bus bar module includes conductive P and N bus bars connected to a switch element in a power conversion device and an insulative terminal block on which the bus bars are located. The fixing bolt fixes the terminal block to a housing in which the switch element is housed. A head of the fixing bolt and the P bus bar are separated from each other in an axial direction along which a shaft of the fixing bolt extends while facing each other.