Ind. Code § 8-21-1-1
(b) "Aeronautics" means:
(i) "Air navigation facility" means any facility other than one owned or controlled by the federal government, used in, available for use in, or designed for use in aid of air navigation, including:
(y) "Energy facility" means any structure that provides for the generation or transmission of electrical energy.
Formerly: Acts 1945, c.360, s.1; Acts 1963, c.229, s.1; Acts 1975, P.L.93, SEC.1. As amended by Acts 1980, P.L.74, SEC.308; P.L.3-1989, SEC.69; P.L.18-1990, SEC.154; P.L.8-1993, SEC.147; P.L.136-2018, SEC.98; P.L.71-2020, SEC.1.