; (B) fully recover authorized fixed costs, including lost margins from lower annual sales due to energy efficiency programs; and (C) earn an incentive for shareholders if the energy efficiency standards are achieved. (i) Information and reports In accordance with section 13 of the Federal Energy Administration Act of 1974 ( 15 U.S.C. 772 ), the Secretary may require any retail electricity supplier, retail natural gas supplier, third-party efficiency provider, or any other entity that the Secretary determines appropriate, to provide any information the Secretary determines appropriate to carry out this section. (j) State law Nothing in this section diminishes or qualifies any authority of a State or political subdivision of a State to adopt or enforce any law or regulation respecting electricity savings or natural gas savings, including any law or regulation establishing energy efficiency requirements that are more stringent than those under this section, except that no State law or regulation shall relieve any person of any requirement otherwise applicable under this section. . 6. Program review (a) National academy of sciences review The Secretary of Energy shall enter into a contract with the National Academy of Sciences under which the Academy shall, not later than July 1, 2023, and every 10 years thereafter, submit to Congress, the Federal Energy Regulatory Commission, and the Secretary of Energy a comprehensive evaluation of all aspects of the programs established under sections 610 and 611 of the Public Utility Regulatory Policies Act of 1978 (as added by this Act), including— (1) an evaluation of the effectiveness of the programs, including the specific design elements of the programs, in increasing the efficiency of retail natural gas and electricity distribution and consumption and increasing the deployment of renewable electricity capacity; (2) the opportunities for additional technologies and sources of efficiency and renewable electricity that have emerged since the date of enactment of this Act