In electrification: any natural person, firm, association, cooperative, corporation, business trust, partnership, the National Government or any political subdivision, agency or instrumentality thereof [Section 3(d), Presidential Decree No. 269, s. 1973]
Note: Under P.D. No. 269, the term is written as “person”.
In downstream oil & gas: any person, whether natural or juridical, who is engaged in any activity of the downstream oil industry [Section 4(l), Downstream Oil Industry Deregulation Act of 1998; Section 3(gg), Downstream Oil Industry Deregulation Act of 1998 IRR]
In renewable energy: a natural or juridical person, as the case may be [Section 3.21, DOE Department Circular No. DC2024-06-0018, Revised Omnibus Guidelines Governing the Award and Administration of Renewable Energy Contracts and the Registration of Renewable Energy Developers]
In electric power: a natural or juridical person, as the case may be [Section 4 (iii), Rules and Regulations to Implement Republic Act No. 9136, Entitled “Electric Power Industry Reform Act of 2001”]
In nuclear energy: a natural or juridical person [Section 5(ff), Philippine National Nuclear Energy Safety Act of 2025]