Merchant Transmission Facilities means A.C. or D.C. transmission facilities that are interconnected with or added to the Transmission System pursuant to Tariff, Part IV and Tariff, Part VI and that are so identified in Tariff, Attachment T, provided, however, that Merchant Transmission Facilities shall not include (i) any Customer Interconnection Facilities, (ii) any physical facilities of the Transmission System that were in existence on or before March 20, 2003 ; (iii) any expansions or enhancements of the Transmission System that are not identified as Merchant Transmission Facilities in the Regional Transmission Expansion Plan and Tariff, Attachment T, or (iv) any transmission facilities that are included in the rate base of a public utility and on which a regulated return is earned.
Transmission line means any single or multiphase electric power line operating at nominal voltages at or in excess of either 69,000 volts between ungrounded conductors or 40,000 volts between grounded and ungrounded conductors, regardless of the functional service provided by the line.
Network Transmission Service means transmission service provided pursuant to the rates, terms and conditions set forth in Tariff, Part III, or transmission service comparable to such service that is provided to a Load Serving Entity that is also a Transmission Owner.
Pipeline company means any person, firm, copartnership, association, corporation, or syndicate engaged in or organized for the purpose of owning, operating, or controlling pipelines for the intrastate transportation or transmission of any solid, liquid, or gaseous substance, except water.
Intra-State Transmission System means any system for transmission of electricity other than an Inter-State Transmission System;
Production company means a person or entity engaged in the business of making motion picture, television, or radio images for theatrical, commercial, advertising, or education purposes; Reserved
PJM Interconnection, L.L.C. or "PJM" means the privately-