(a) CEQA does not apply to actions undertaken by a public agency relating to any thermal power plant site or facility, including the expenditure, obligation, or encumbrance of funds by a public agency for planning, engineering, or design purposes, or for the conditional sale or purchase of equipment, fuel, water (except groundwater), steam, or power for such a thermal power plant, if the thermal power plant site and related facility will be the subject of an EIR or negative declaration or other document or documents prepared pursuant to a regulatory program certified pursuant to Public Resources Code Section 21080.5, which will be prepared by:

(b) The EIR, negative declaration, or other document prepared for the thermal power plant site or facility, shall include the environmental impact, if any, of the early activities described in this section.

(c) This section acts to delay the timing of CEQA compliance from the early activities of a utility to the time when a regulatory agency is requested to approve the thermal power plant and shifts the responsibility for preparing the document to the regulatory agency.