The total amount allocated to any State under subsection (a) in any year shall not exceed 10 percent of the total amount allocated to all the States in such year under such subsection (a). Except for the District of Columbia, Puerto Rico, Guam, American Samoa, the Northern Mariana Islands, and the Virgin Islands, not less than 0.5 percent of such total allocation to all States for that year shall be allocated in such year for the total of grants to States and to schools and hospitals in each State which has an approved State plan under this part.
Not later than 60 days after November 9, 1978, the Secretary shall prescribe rules governing the allocation among the States of funds for grants for preliminary energy audits and energy audits. Such rules shall take into account the population and climate of such States and such other factors as he may deem appropriate.
Funds allocated for projects in any States for a fiscal year under this section but not obligated in such fiscal year shall be available for reallocation under subsection (a) of this section in the subsequent fiscal year.