If a State receives a waiver granted under subparagraph (B) for a fiscal year, the State may use not more than the greater of 25 percent of—

(i) the funds allotted to a State under this subchapter for such fiscal year; or

(ii) the funds available to such State under this subchapter for such fiscal year;

for residential weatherization or other energy-related home repair for low-income households, particularly those low-income households with the lowest incomes that pay a high proportion of household income for home energy.

For purposes of subparagraph (A), the Secretary may grant a waiver to a State for a fiscal year if the State submits a written request to the Secretary after March 31 of such fiscal year and if the Secretary determines, after reviewing such request and any public comments, that—

(i) (I) the number of households in the State that will receive benefits, other than weatherization and energy-related home repair, under this subchapter in such fiscal year will not be fewer than the number of households in the State that received benefits, other than weatherization and energy-related home repair, under this subchapter in the preceding fiscal year; (II) the aggregate amounts of benefits that will be received under this subchapter by all households in the State in such fiscal year will not be less than the aggregate amount of such benefits that were received under this subchapter by all households in the State in the preceding fiscal year; and (III) such weatherization activities have been demonstrated to produce measurable savings in energy expenditures by low-income households; or

(ii) in accordance with rules issued by the Secretary, the State demonstrates good cause for failing to satisfy the requirements specified in clause (i).