(a)
The commission shall provide not less than 10 percent of the overall funds for installation of solar water heating systems on low-income residential housing.
(b)
The commission may establish a grant program or a revolving loan or loan guarantee program for low-income residential housing consistent with the requirements of Chapter 5.3 (commencing with Section 25425) of Division 15 of the Public Resources Code. All loans
outstanding as of August 1, 2018, shall continue to be repaid in a manner that is consistent with the terms and conditions of the program adopted and implemented by the commission pursuant to this subdivision, until repaid in full.
(c)
The commission may extend eligibility for funding pursuant to this section to include residential housing occupied by ratepayers participating in a commission approved and supervised gas corporation Low-Income Energy Efficiency (LIEE) program and who either:
(1)
Occupy a single-family home.
(2)
Occupy at least 50 percent of all units in a multifamily dwelling structure.
(d)
The commission shall ensure that lower income households, as defined in Section 50079.5 of the Health and Safety Code, and, if the commission expands
the program pursuant to subdivision (c), ratepayers participating in a LIEE program, that receive gas service at residential housing with a solar water heating system receiving incentives pursuant to subdivision (a), benefit from the installation of the solar water heating systems through reduced or lowered energy costs.
(e)
No later than January 1, 2010, the commission shall do all of the following to implement the requirements of this section:
(1)
Maximize incentives to properties that are committed to continuously serving the needs of lower income households, as defined in Section 50079.5 of the Health and Safety Code, and, if the commission expands the program pursuant to subdivision (c), ratepayers participating in a LIEE program.
(2)
Establish conditions on the installation of solar water heating systems that
ensure properties on which solar water heating systems are installed under subdivision (a) remain low-income residential properties for at least 10 years from the time of installation, including property ownership restrictions and income rental protections, and appropriate enforcement of these conditions.
(f)
All moneys set aside for the purpose of funding the installation of solar water heating systems on low-income residential housing that are unexpended and unencumbered on August 1, 2018, and all moneys thereafter repaid pursuant to subdivision (b), except to the extent that those moneys are encumbered pursuant to this section, shall be utilized to augment cost-effective energy efficiency measures in low-income residential housing that benefit ratepayers.