Cal. Pub. Resources Code § 25502
Each person proposing to construct a thermal powerplant or electric transmission line on a site shall submit to the commission a notice of intention to file an application for the certification of the site and related facility or facilities. The notice shall be an attempt primarily to determine the suitability of the proposed sites to accommodate the facilities and to determine the general conformity of the proposed sites and related facilities with standards of the commission and assessments of need adopted pursuant to Sections 25305 to 25308, inclusive. The notice shall be in the form prescribed by the commission and shall be supported by such information as the commission may require.
Any site and related facility once found to be acceptable pursuant to Section 25516 is, and shall continue to be, eligible for consideration in an application for certification without further proceedings required for a notice under this chapter.
Ca. Pub. Res. Code § 25502