40 U.S.C. § 17901

(1) Federal agency.—

The term “federal agency” means a department, agency, or instrumentality of the Federal Government.

(2) Federally generated electric energy.—

The term “federally generated electric energy” means any electric power generated by an electric generating facility owned and operated by a federal agency.

(3) Non-federal person.—

The term “non-federal person” means a corporation, cooperative, municipality, or other non-federal entity that generates electric energy through a facility other than a federally owned electric generating facility.