Cal. Pub. Util. Code § 564

By January 1, 2024, the commission shall update General Order 131-D to authorize each public utility electrical corporation to use the permit-to-construct process or claim an exemption under Section III(B) of that general order to seek approval to construct an extension, expansion, upgrade, or other modification to its existing electrical transmission facilities, including electric transmission lines and substations within existing transmission easements, rights of way, or franchise agreements, irrespective of whether the electrical transmission facility is above a 200-kilovolt voltage level.