CHAPTER 4.3. Designation of Transmission Corridors [25330. - 25341.]

Cal. Public Resources Code - PRC 4.3.

in effect

Cal. Public Resources Code - PRC § 25330. Section 25330.

For purposes of this chapter, the following terms have the following meanings: (a) “Feasible” has the same meaning as in Section 21061.1. (b) “High-voltage electric transmission line” means an electric transmission line with an operating capacity of at least 200 kilovolts, or that is under the operational control of the California Independent System Operator. (c) “Transmission corridor zone” means the geographic area necessary to accommodate the construction and operation of one or more high-voltage electric transmission lines. A transmission corridor zone shall not be more than 1,500 feet in width unless required to accommodate existing land uses and land uses identified in local general or specific plans, or to avoid environmental constraints or mitigate potential environmental impacts.

Cal. Public Resources Code - PRC § 25331. Section 25331.

(a) The commission may designate a transmission corridor zone on its own motion or by application of a person who plans to construct a high-voltage electric transmission line within the state. The designation of a transmission corridor zone shall serve to identify a feasible corridor where one or more future high-voltage electric transmission lines can be built that are consistent with the state’s needs and objectives as set forth in the strategic plan adopted pursuant to Section 25324. (b) A person planning to construct a high-voltage electric transmission line may submit to the commission an application to designate a proposed transmission corridor zone as being consistent with the strategic plan adopted pursuant to Section 25324. The application shall be in the form prescribed by the commission and shall be supported by any information that the commission may require.

Cal. Public Resources Code - PRC § 25332. Section 25332.

The designation of a transmission corridor zone is subject to the California Environmental Quality Act (Division 13 (commencing with Section 21000)). The commission shall be the lead agency, as provided in Section 21165, for all transmission corridor zones proposed for designation pursuant to this chapter.

Cal. Public Resources Code - PRC § 25333. Section 25333.

(a) In developing a strategic plan pursuant to Section 25324 or considering an application for designation pursuant to this chapter, the commission shall confer with cities and counties, federal agencies, and California Native American tribes to identify appropriate areas within their jurisdictions that may be suitable for a transmission corridor zone. The commission shall, to the extent feasible, coordinate efforts to identify long-term transmission needs of the state with the land use plans of cities, counties, federal agencies, and California Native American tribes. (b) The commission shall not designate a transmission corridor zone within the jurisdiction of a California Native American tribe without the approval of the California Native American tribe.

Cal. Public Resources Code - PRC § 25334. Section 25334.

(a) Upon receipt of an application or upon its own motion for designation of a transmission corridor zone, the commission shall arrange for the publication of a summary of the application in a newspaper of general circulation in each county where the proposed transmission corridor zone would be located, and shall notify all property owners within, or adjacent to, the transmission corridor zone. The commission shall transmit a copy of the application for designation to all cities, counties, and state and federal agencies having an interest in the proposed transmission corridor zone. The commission shall publish the application for designation on its Internet Web site, and notify members of the public that the application is available on the commission’s Internet Web site. (b) As soon as practicable after the receipt of an application or upon its own motion for designation of a transmission corridor zone, the commission shall notify cities, counties, state and federal agencies, and California Native American tribes in whose jurisdictions the proposed transmission corridor zone would be located regarding the proposed transmission corridor zone and the objectives of the most recent strategic plan for the state’s electric transmission grid. The commission’s notice shall solicit information from, and the commission shall confer with, all interested cities, counties, state and federal agencies, and California Native American tribes regarding their land use plans, existing land uses, and other factors in which they have expertise or interest with respect to the proposed transmission corridor zone. The commission shall provide any interested city, county, state or federal agency, California Native American tribe, or member of the public, including any property owner within the proposed transmission corridor zone, ample opportunity to participate in the commission’s review of a proposed transmission corridor zone. (c) The commission shall request affected cities, counties, state and federal agencies, the Electricity Oversight Board, the Independent System Operator, interested California Native American tribes, and members of the public, including any property owner within the proposed transmission corridor zone, to provide comments on the suitability of the proposed transmission corridor zone with respect to environmental, public health and safety, land use, economic, and transmission-system impacts or other factors on which they may have expertise. (d) The commission shall require a person who files an application for the designation of a transmission corridor zone to pay a fee sufficient to reimburse the commission for all costs associated with reviewing the application. If the commission initiates the designation of a transmission corridor zone on its own motion, the commission shall fix the surcharge imposed pursuant to subdivision (b) of Section 40016 of the Revenue and Taxation Code, at a level sufficient to cover the commission’s added costs. (e) Upon receiving the commission’s request for review of a proposed transmission corridor zone, a city or county may request a fee pursuant to Section 25538 to cover for the actual and added costs of this review and the commission shall pay this amount to the city or county.

Cal. Public Resources Code - PRC § 25335. Section 25335.

(a) Within 45 days of receipt of the application or motion for designation, the commission shall commence public informational hearings in the county or counties where the proposed transmission corridor zone would be located. (b) The purpose of the hearings shall be to do all of the following: (1) Provide information about the proposed transmission corridor zone so that the public and interested agencies have a clear understanding of what is being proposed. (2) Explain the relationship of the proposed transmission corridor zone to the commission’s strategic plan for the state’s electric transmission grid, as set forth in the most recent integrated energy policy report adopted pursuant to Chapter 4 (commencing with Section 25300). (3) Receive initial comments about the proposed transmission corridor zone from the public and interested agencies. (4) Solicit information on reasonable alternatives to the proposed transmission corridor zone.

Cal. Public Resources Code - PRC § 25336. Section 25336.

(a) Within 155 days of the final informational hearing, the commission shall conduct a prehearing conference to determine the issues to be considered in hearings pursuant to this section, to identify the dates for the hearings, and to set forth filing dates for public comments and testimony from the parties and interested agencies. Within 15 days of the prehearing conference, the commission shall issue a hearing order setting forth the issues to be heard, the dates of the hearings, and the filing dates for comments and testimony. (b) The commission shall conduct hearings pursuant to the hearing order. The purpose of the hearings shall be to receive information upon which the commission can make findings and conclusions pursuant to Section 25337.

Cal. Public Resources Code - PRC § 25337. Section 25337.

After the conclusion of hearings conducted pursuant to Section 25336, and no later than 180 days after the date of certification of the environmental impact report prepared pursuant to Section 25332, the commission shall issue a proposed decision that contains its findings and conclusions regarding all of the following matters: (a) Conformity of the proposed transmission corridor zone with the strategic plan adopted pursuant to Section 25324. (b) Suitability of the proposed transmission corridor zone with respect to environmental, public health and safety, land use, economic, and transmission-system impacts. (c) Mitigation measures and alternatives as may be needed to protect environmental quality, public health and safety, the state’s electric transmission grid, or any other relevant matter. (d) Other factors that the commission considers relevant.

Cal. Public Resources Code - PRC § 25338. Section 25338.

As soon as practicable after the commission designates a transmission corridor zone, it shall post a copy of its decision on its Internet Web site, send a copy of its decision, including a description of the transmission corridor zone, to each affected city, county, state agency, and federal agency, and notify property owners within or adjacent to the corridor of the availability of the decision on the commission’s Internet Web site.

Cal. Public Resources Code - PRC § 25339. Section 25339.

After the commission designates a transmission corridor zone, it shall identify that transmission corridor zone in its subsequent strategic plans adopted pursuant to Section 25324. The commission shall regularly review and revise its designated transmission corridor zones as necessary, but not less than once every 10 years. In revising designations of transmission corridor zones, the commission shall follow the procedures of this chapter. If, upon regular review or at any other time, the commission finds that a transmission corridor zone is no longer needed, the commission shall revise or repeal the designation and, as soon as practicable, notify the affected cities, counties, state and federal agencies, and property owners within, or adjacent to, the transmission corridor zone.

Cal. Public Resources Code - PRC § 25340. Section 25340.

After receiving notice from the commission regarding the designation or revision of a transmission corridor zone within its jurisdiction, each city or county shall consider the designated transmission corridor zone when making a determination regarding a land use change within or adjacent to the transmission corridor zone that could affect its continuing viability to accommodate a transmission line planned within the transmission corridor zone. Nothing in this section shall preclude compatible uses within or adjacent to a designated transmission corridor zone.

Cal. Public Resources Code - PRC § 25341. Section 25341.

(a) Within a designated transmission corridor zone, within 10 days of accepting as complete an application pursuant to Section 65943 of the Government Code for a development project that a city or county determines would threaten the potential to construct a high-voltage electric transmission line, the city or county shall notify the commission of the proposed development project. The notice shall include a copy of the application, and set a deadline that is not less than 60 days from the date of the notice for the commission to provide written comments to the city or county regarding the proposed development project. (b) If the commission finds that the proposed development project would threaten the potential to construct a high-voltage electric transmission line within the designated transmission corridor zone, the commission shall provide written comments to the city or county. The commission may recommend revisions to, redesign of, or mitigation measures for the proposed development project that would eliminate or reduce the threat. (c) The city or county shall consider the commission’s comments, if any, prior to acting on the proposed development project. If the commission objects to the proposed development project, the city or county shall provide a written response that shall address in detail why it did not accept the commission’s comments and recommendations.

Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026