Transmission Sector.
Section 7
SEC. 7. Transmission Sector. — The transmission of electric power shall be a regulated common electricity carrier business, subject to the ratemaking powers of the ERC. The ERC shall set the standards of the voltage transmission that shall distinguish the transmission from the subtransmission assets. Pending the issuance of such new standards, the distinction between the transmission and subtransmission assets shall be as follows: 230 kilovolts and above in the Luzon Grid, 69 kilovolts and above in the Visayas and in the isolated distribution systems, and 138 kilovolts and above in the Mindanao Grid: Provided, That for the Visayas and the isolated distribution system, should the 69 kilovolt line not form part of the main transmission grid and be directly connected to the substation of the distribution utility, it shall form part of the subtransmission system.