The following definitions apply when these terms are used in the provisions of this chapter:

"EFSEC" means the energy facility site evaluation council and where appropriate the EFSEC staff.

"Facilities" means those energy transmission facilities described in RCW 80.50.060 and WAC 463-61-030.

"Land use plan" means a comprehensive plan or land use element thereof adopted by a unit of local government pursuant to chapter 35.63, 35A.06, 36.70, or 36.70A RCW, or as otherwise designated by chapter 325, Laws of 2007.

"Modification" means a significant change to an electrical transmission facility which does not include any of the following:

(a) Minor improvements such as the replacement of existing transmission line facilities or supporting structures with equivalent facilities or structures;

(b) The relocation of existing electrical transmission line facilities within the existing corridor;

(c) The conversion of existing overhead lines to underground; or

(d) The placement of new or additional conductors, supporting structures, insulators, or their accessories on or replacement of supporting structures already built.

"National interest electric transmission corridor" means a transmission corridor identified by the U.S. Department of Energy pursuant to section 1221 of the 2005 Energy Policy Act.

"Preapplicant" means a person considering applying for a site certificate agreement for an electrical transmission facility.

"Preapplication process" means the process which is initiated by written request by a preapplicant to EFSEC, a preapplicant's initial consultation with EFSEC, and the activities conducted under WAC 463-61-050.

"Zoning ordinance" means an ordinance of a unit of local government regulating the use of land and adopted pursuant to chapter 35.63, 35A.63, 36.70, or 36.70A RCW, or Article XI of the state Constitution, or as otherwise designated by chapter 325, Laws of 2007.