; and (B) the Assistant Secretary for Energy Efficiency and Renewable Energy shall support translational research, development, and validation of physical concepts developed under the program. (3) Standard of review The Secretary shall review activities carried out under the program described in paragraph (1) to determine the achievement of technical milestones. (4) Funding (A) In general From within funds authorized to be appropriated under section 11 of the Department of Energy Science and Innovation Act of 2018 , for Basic Energy Sciences and Biological and Environmental Research, the Secretary shall make available for carrying out activities under this subsection $20,000,000 for each of fiscal years 2018 through 2019. (B) Prohibition No funds allocated to the program described in paragraph (1) may be obligated or expended for commercial application of energy technology. . (2) Conforming amendment The table of contents for the Energy Policy Act of 2005 is amended by striking the item relating to section 975 and inserting the following: Sec. 975. Electricity storage research initiative. . (h) Energy frontier research centers (1) In general The Director shall carry out a program to provide awards, on a competitive, merit-reviewed basis, to multi-institutional collaborations or other appropriate entities to conduct fundamental and use-inspired energy research to accelerate scientific breakthroughs. (2) Collaborations A collaboration receiving an award under this subsection may include multiple types of institutions and private sector entities. (3) Selection and duration (A) In general A collaboration under this subsection shall be selected for a period of 4 years. (B) Existing centers An Energy Frontier Research Center in existence and supported by the Director on the date of enactment of this Act may continue to receive support for a period of 4 years beginning on the date of establishment of that center. (C) Reapplication After the end of the period described in subparagraph (A) or (B), as applicable, a