Cal. Streets and Highways Code § 157.8

On or before March 1 of each fiscal year, and until maturity of the bonds issued pursuant to this article, the department shall report to the budget committees of each house of the Legislature with regard to the issuance of bonds and the acquisition and installation of solar energy systems under this article. The report shall include, but not be limited to, the status of each facility on which the department has installed solar energy systems; an accounting of the costs for each solar energy system installed or acquired by the department; a description of the energy savings the department has achieved by acquiring or installing a solar energy system or systems; and a review and analysis of the expected cost savings at the time of issuance of the bonds versus actual savings annually.