Neb. Rev. Stat. § 17-909: Neb. Rev. Stat. § 17-909

The city council or village board of trustees of a city of the second class or village shall levy annually a sufficient tax to maintain, operate, and extend any power plant, electric or other light works as provided in section 17-906 and to provide for the payment of the interest on the principal of any bonds that may have been issued as provided in section 17-908 .