The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Agency." Any office, department, board or commission of the executive departments of the Commonwealth, any political subdivision of the Commonwealth, the Pennsylvania Turnpike Commission, the State System of Higher Education or any State or municipal authority or similar organization created by or pursuant to a statute which declares in substance that such organization performs or has for its purpose the performance of an essential governmental function.
"Confidential security information." Information contained within a record maintained by an agency in any form, the disclosure of which would compromise security against sabotage or criminal or terrorist acts and the nondisclosure of which is necessary for the protection of life, safety, public property or public utility facilities, including, but not limited to, all of the following:
"Facilities." All the plant and equipment of a public utility, including all tangible and intangible real and personal property without limitation, and any and all means and instrumentalities in any manner owned, operated, leased, licensed, used, controlled, furnished or supplied for, by or in connection with the business of any public utility. For the purposes of this act, the term shall also include electric power generation.
"Mass destruction." An act which is intended to or likely to destroy or cause serious damage to facilities, public or private buildings, places of public accommodation or public works under circumstances evincing depraved indifference to human life or property.
"Public utility." Any person, corporation, municipality or municipal authority or corporation now or hereafter owning or operating in this Commonwealth equipment or facilities for:
35 P.S. § 2141.2