; and (B) to help new, innovative long-duration energy storage technologies become commercially viable. (2) Memorandum of understanding Not later than 200 days after the date of enactment of this Act, the Director of ARPA–E shall enter into a memorandum of understanding with the Director of ESTCP to jointly administer the Joint Program. (3) Infrastructure In carrying out the Joint Program, the Directors shall— (A) use existing test-bed infrastructure at— (i) Department of Energy facilities; and (ii) Department of Defense installations; and (B) develop new infrastructure for identified projects, if appropriate. (4) Goals and metrics The Directors shall develop goals and metrics for technological progress under the Joint Program consistent with energy resilience and energy security policies. (5) Selection of projects (A) In general To the maximum extent practicable, in selecting projects to participate in the Joint Program, the Directors shall— (i) ensure that projects are carried out under conditions that represent a variety of environments with different physical conditions and market constraints; and (ii) ensure an appropriate balance of— (I) larger, higher-cost projects; and (II) smaller, lower-cost projects. (B) Priority In carrying out the Joint Program, the Directors shall give priority to demonstration projects that— (i) make available to the public key engineering and field data that will accelerate deployment of long-duration energy storage technologies; and (ii) will be carried out in the field. (6) States and private sector entities In carrying out the Joint Program, the Directors shall encourage— (A) States to become laboratories of innovation in the development of long-duration energy storage technologies; and (B) collaboration between participants in the Joint Program, States, and other appropriate private sector entities. (g) Authorization of appropriations There are authorized to be appropriated to carry out the Initiative— (1) $20,000,000 for fiscal year 2020; (2) $40,000,000 for fiscal year 2021