; (C) the quantity of materials used in photovoltaic devices projected to be available through mining or recycling of photovoltaic and other electronic devices; and (D) a list of other significant uses for each material identified under subparagraph (A). (2) Priorities Not later than September 1, 2020, the Secretary, in collaboration with private industry, shall develop a plan to establish priorities and requirements for the database described in paragraph (1), including the protection of proprietary information, trade secrets, and other confidential business information. (3) Coordination The Secretary shall coordinate with the Director of the National Institute of Standards and Technology, the Administrator of the Environmental Protection Agency, and the Secretary of the Interior to facilitate the incorporation of the database under paragraph (1) with any existing database for materials involved in electronic manufacturing and recycling. (g) Authorization of appropriations There are authorized to be appropriated to the Secretary to carry out the program such sums as are necessary for each of fiscal years 2020 through 2024. 4. Conforming amendments (a) The Solar Energy Research, Development, and Demonstration Act of 1974 ( 42 U.S.C. 5551 et seq.) is repealed. (b) Section 6(b)(3) of the Federal Nonnuclear Energy Research and Development Act of 1974 ( 42 U.S.C. 5905(b)(3) ) is amended— (1) by striking subparagraph (L); and (2) by redesignating subparagraphs (M) through (S) as subparagraphs (L) through (R), respectively. (c) The Solar Photovoltaic Energy Research, Development, and Demonstration Act of 1978 ( 42 U.S.C. 5581 et seq.) is repealed. (d) Section 4(a) of the Renewable Energy and Energy Efficiency Technology Competitiveness Act of 1989 ( 42 U.S.C. 12003(a) ) is amended— (1) in the matter preceding paragraph (1), by striking photovoltaics, and solar thermal energy and inserting alcohol from biomass, and other technologies ; (2) by striking paragraphs (2) and (3)