(a)
Not later than July 1, 2010, the commission shall report to the Legislature as to the effectiveness of the program and make recommendations as to any changes that should be made to the program. This report shall include justification for the size of the rebate program in terms of total available incentive moneys as well as the anticipated benefits of the program in its
entirety. To facilitate the understanding of how solar water heating systems compare with other clean energy and energy efficiency technologies, all documents related to and rebates provided by this program shall be measured in both kWhth and therms of natural gas saved.
(b)
Not later than February 1, 2014, the commission shall complete a review of whether the rebate levels established by the commission will be sufficient to spur investment to reach the program goal of installing 200,000 solar water heating systems in homes, businesses, and other buildings or facilities receiving natural gas service throughout the state by 2017, and shall report to the Legislature on the results of its review. The report submitted pursuant to this subdivision shall be submitted in compliance with Section 9795 of the Government Code.