or trade secrets provided by any individual or company for the purposes of carrying out this section or the programs and initiatives established under this section. . 1111. Weatherization Assistance Program (a) Reauthorization of Weatherization Assistance Program Section 422 of the Energy Conservation and Production Act ( 42 U.S.C. 6872 ) is amended by striking appropriated— and all that follows through the period at the end and inserting appropriated $350,000,000 for each of fiscal years 2018 through 2022. . (b) Grants for new, self-sustaining low-income, single-family and multifamily housing energy retrofit model programs to eligible multistate housing and energy nonprofit organizations The Energy Conservation and Production Act is amended by inserting after section 414B ( 42 U.S.C. 6864b ) the following: 414C. Grants for new, self-sustaining low-income, single-family and multifamily housing energy retrofit model programs to eligible multistate housing and energy nonprofit organizations (a) Purposes The purposes of this section are— (1) to expand the number of low-income, single-family and multifamily homes that receive energy efficiency retrofits