Cal. Pub. Util. Code § 130513
"Cost," as applied to a project or portion thereof financed under this chapter, means all or any part of the cost of construction and acquisition of all real or personal property, rights, rights-of-way, franchises, easements, and interests acquired or used for a project, the cost of demolishing or removing any structures on land so acquired, including the cost of acquiring any land to which the structures may be removed, the cost of all machinery and equipment, vehicles, rolling stock, financing charges, interest prior to, during, and for a period after completion of construction as determined by the commission, provisions for working capital, reserves for principal and interest, and for extensions, enlargements, additions, replacements, renovations, and improvements, the cost of architectural, engineering, financial, and legal services, plans, specifications, estimates, and administrative expenses, and other expenses necessary or incidental to the determination of the feasibility of constructing any project or incidental to the construction, acquisition, or financing of any project.
Ca. Pub. Util. Code § 130513