Cal. Pub. Res. Code § 25540

If a person proposes to construct a geothermal powerplant and related facility or facilities on a site, the commission shall not require three alternative sites and related facilities to be proposed in the notice. Except as otherwise provided, the commission shall issue its findings on the notice, as specified in Section 25514, within nine months from the date of filing of such notice, and shall issue its final decision on the application, as specified in Section 25523, within nine months from the date of the filing of the application for certification, or at such later time as is mutually agreed to by the commission and the applicant or person submitting the notice or application.