Haw. Rev. Stat. § 46-19: Development of alternative energy resources.

Each of the counties may participate in the development of alternative energy resources defined as geothermal, solar, wind, ocean power, biomass and solid wastes in joint venture with an end user or public utility pursuant to a plan for the direct utilization of the energy sources by an end user or public utility; provided that should a joint-venture partner not be available the counties may proceed with the development of alternate energy resources for their own consumption or for the furtherance of a plan for direct utilization by an end user or public utility.