Haw. Code R. § 13-184-2
As used in this chapter:
"Appropriate county authority" means the county planning commission unless some other agency or body is designated by ordinance of the county council.
"Board" means the board of land and natural resources.
"Chairperson" means the chairperson of the board of land and natural resources or a designated representative.
"Department" means the department of land and natural resources.
"Geothermal development activities" means the exploration, development, or production of electrical energy from geothermal resources.
"Geothermal resources" means the natural heat of the earth, the energy, in whatever form, below the surface of the earth present in, resulting from, or created by, or which may be extracted from such natural heat, and all minerals in solution or other products obtained from naturally heated fluids, brines, steam and associated gases, in whatever form, found below the surface of the earth.
"Geothermal resource subzone" means any area designated by the board as provided in this chapter for use of geothermal resource exploration, development, or production, of electrical energy from geothermal resources in addition to those uses permitted in each land district under chapter 205 of the Hawaii Revised Statutes.
"Operator" means any person as defined herein engaged in drilling, maintaining, operating, producing or managing any geothermal well and appurtenances, geothermal research facility, and geothermal production or utilization facility including electric power plant.
"Geothermal mining lease" means a State lease approved and issued by the board in accordance with chapter 182, Hawaii Revised Statutes, and chapter 183 of title 13, Administrative Rules entitled "Rules on Leasing and Drilling of Geothermal Resources".
"Special use permit" means a permit issued by the county planning commission for certain unusual and reasonable uses within agricultural and rural districts other than those for which the district is classified.
Haw. Code R. § 13-184-2