In electric power: the high voltage backbone system of interconnected transmission lines, substations and related facilities [Section 4(z), Electric Power Industry Reform Act of 2001]
In electric power: the high voltage backbone system of interconnected transmission lines, substations and related facilities, located in each of Luzon, Visayas and Mindanao, or as may otherwise be determined by the ERC in accordance with Section 45 of the Act [Section 4 (qq), Rules and Regulations to Implement Republic Act No. 9136, Entitled “Electric Power Industry Reform Act of 2001”]
Note: The EPIRA IRR adopts the definition under the law and adds “located in each of Luzon, Visayas and Mindanao, or as may otherwise be determined by the ERC in accordance with Section 45 of the Act”.
In renewable energy: the high voltage backbone system of interconnected transmission lines, substations, and related facilities, located in each of Luzon, Visayas, and Mindanao, or as may otherwise be determined by the ERC in accordance with Republic Act No. 9136 [Section 4(v), RE Act of 2008; Section 3(w), Rules and Regulations Implementing Republic Act No. 9513]
Note: Under the RE Act IRR, “substations” is written as “sub-stations”.
In electrification: the high voltage backbone system of interconnected transmission lines, substations and related facilities, located in each of Luzon, Visayas, Mindanao, or as may otherwise be determined by the ERC in accordance with Section 45 of the EPIRA [Rule 1, Section 4(k), DOE Department Circular No. DC2013-07-0015, Prescribing the Implementing Rules and Regulations of Republic Act NO. 10531, Otherwise Known as the “National Electrification Administration Reform Act of 2013”]
In electric power, microgrid: high voltage backbone system of interconnected transmission lines, substations, and related facilities, located in each of Luzon, Visayas, and Mindanao [Section 4(i), Microgrid Systems Act of 2022; Section 4.10, DOE Department Circular No. DC2022-05-0017, Rules and Regulations to Implement Republic Act No. 11646 (Microgrid Systems Act)]
In electric power, energy storage: the high voltage backbone system of interconnected transmission lines, substations and related facilities, located in each of Luzon, Visayas and Mindanao, or as may be determined by the ERC in accordance with Section 45 of EPIRA [Section 2.14, DOE Department Circular No. DC2023-04-0008, Prescribing the Policy for Energy Storage System in the Electric Power Industry]