32 Pa. Stat. § 622
Any public service company holding a limited power permit or a limited water supply permit, granted on behalf of a power project or a water supply project for use in public service, shall have the right and power to appropriate and condemn, overflow, submerge, occupy, and use any street, road, lane, alley, turnpike, highway, bridge, electric railroad, or steam railroad, whether publicly or privately owned, which the commission shall find to be necessary for the construction, maintenance, or operation of the power project or water supply project in behalf of which such permit was granted: Provided, That such permittee shall cause the same, and all structures of other public service companies located thereon, to be reconstructed, at his own proper expense, on such location and in such manner and to such extent as the commission may require, or shall reimburse such other public service company for the reasonable cost of such relocation and reconstruction, and such permittee may condemn and appropriate property which the commission shall find to be necessary for such relocation and reconstruction.
32 P.S. § 622