40-353. Application of article; reinstallation of overhead facilities prohibited A. The provisions of this article shall apply only to the relocation underground of existing utilities. B. Once removed, no overhead electric or communication facilities shall be installed in an underground conversion service area. C. Following the conversion of overhead electric or communication facilities, the public service corporation or public agency whose facilities were converted may install lines or facilities used or intended to be used for the transmission of electric energy at nominal voltages in excess of twenty-five thousand volts or having a current carrying capacity in excess of twelve thousand kva, provided that prior to the installation of such facilities the public service corporation or public agency desiring to install such facilities shall pay to the then existing owners of real property within the underground conversion service area the principal cost paid by such owners and their predecessors in interest for the conversion of overhead electric or communication facilities.
Arizona Legal Code