In energy and cybersecurity: a public service that operates, manages, or controls for public use any of the following: (1) Distribution of Electricity; (2) Transmission of Electricity; (3) Petroleum and Petroleum Products Pipeline Transmission Systems; (4) Water Pipeline Distributions Systems and Wastewater Pipeline Systems, including sewerage pipeline systems; (5) Seaports; and (6) Public Utility Vehicles. Concessionaires, joint ventures and other similar entities that wholly operate, manage or control for public use the sectors above are public utilities. Furthermore, no other person shall be deemed a public utility unless otherwise subsequently provided by law (Commonwealth Act No. 146, as amended by RA 11659) [Section 3(z), DOE Department Circular No. DC2025-01-001, Institutionalizing the Energy Sector Cybersecurity and Cyber Resilience Framework]