N.J. Stat. § 58:16A-8
Whenever the commissioner shall determine that the construction of a flood control project requires the removal, relocation and reconstruction of any plants, works, holders, pumping stations, pipes, mains, tunnels, bridges, tracks, generating or switching stations, substations, transformers, conduits, cables, wires, towers, poles, or other structures, equipment, apparatus, or appurtenances (herein called "facilities") of any public utility, as defined in R.S. 48:2-13, the public utility owning or operating such facilities shall remove, relocate and reconstruct the same, upon the order of the commissioner, and the total cost and expense of the removal, relocation and reconstruction of such facilities, including the cost of installing such facilities in a new location or new locations, and the cost of any lands or any rights or interests in lands, or any other rights, required to accomplish such removal, relocation and reconstruction, shall be considered as a part of the cost of the work. In case of any such removal, relocation and reconstruction of facilities, as aforesaid, the public utility owning or operating the same, its successors or assigns, may maintain and operate such facilities, with the necessary appurtenances, in the new location or new locations for as long a period and upon the same terms and conditions as it had the right to maintain and operate such facilities in their former location. No order of the commissioner for the removal, relocation and reconstruction of any such facilities shall be effective unless such order shall have been approved by the Board of Public Utilities.
N.J.S. § 58:16A-8