For the purposes of this chapter, the following terms shall have the following meanings:
(1) GOVERNMENTAL ENTITY. The state or any political subdivision thereof, or any executive or legislative department, unit, agency, board, commission, or authority of the state, or any political subdivision, or any public corporation, authority, agency, board, commission, or other governmental entity controlled by the state or by any political subdivision of the state.
(2) UTILITY SERVICE. Electrical, natural gas, or propane gas service provided to an end user.