(a) There is established the solar hui investment fund into which shall be deposited the following:
(1) Appropriations by the legislature;
(2) Investments received from multi-family residential property owners;
(3) All other money received for the fund from any other source; and
(4) All income and interest earned or accrued on moneys deposited into the fund.
(b) The solar hui investment fund may be used to:
(1) Enter into energy services agreements with low- and moderate-income households to install a solar energy system;
(2) Invest in energy projects;
(3) Pay administrative costs of the solar hui program; or
(4) Pay any other costs related to the solar hui program.