Neb. Rev. Stat. § 32-512: Neb. Rev. Stat. § 32-512

(1) After the selection of the original board of directors of a public power district as provided for in sections 70-803 and 70-805 or a district as provided for in sections 70-604 and 70-609 , their successors shall be nominated and elected on the nonpartisan ballot, except that in districts receiving annual gross revenue of less than forty million dollars, the candidates for the board of directors shall not appear on the ballot in the primary election. The term of each elected director shall be not more than six years or until his or her successor is elected and qualified. Candidates for the board of directors shall meet the qualifications found in sections 70-610 and 70-619 .

(2) Registered voters residing within the chartered territory and registered voters duly certified in accordance with section 70-604.03 shall be qualified to vote in the district as certified pursuant to section 70-611 . The registered voters of a subdivision created under subsection (1) of section 70-612 may only cast their ballots for candidates for directors to be elected from such subdivision and for candidates for directors to be elected at large from the whole district. The registered voters of a subdivision created under subsection (2) or (3) of section 70-612 may only cast their ballots for candidates for directors to be elected from such subdivision.