; or (7) . (g) Power purchase agreements for public housing agencies Section 6 of the United States Housing Act of 1937 ( 42 U.S.C. 1437d ) is amended by adding at the end the following: (u) Power purchase agreements (1) In general Each contract for contributions for a public housing agency shall provide that the agency may enter into third-party power purchase agreements with third-party providers for a period of not more than 20 years, in addition to a 2-year option period, for the installation of solar energy equipment in public housing projects. (2) Utilities With respect to tenant-paid utilities, any solar rate savings from a power purchase agreement that may result in rebates to a family shall not be used in the calculation of lower utility allowances for the family that results in an increase in the rent paid by the family. . (h) Authorization of appropriations There is authorized to be appropriated to the Secretary to carry out this section and the amendments made by this section $240,000,000 for each of fiscal years 2020 through 2024. 5. Rulemaking relating to utility allowances (a) Definitions In this section, the term covered housing means— (1) public housing, as defined in section 3(b) of the United States Housing Act of 1937 ( 42 U.S.C. 1437a(b) ); and (2) tenant-based assistance provided under section 8(o) of such Act ( 42 U.S.C. 1437f(o) ). (b) Rulemaking The Department of Housing and Urban Development shall promulgate regulations to provide that, with respect to covered housing, any solar rate savings for a dwelling unit that is associated with this Act or an amendment made by this Act shall not be used in the calculation of lower utility allowances for a family that results in an increase in the rent paid by the family.