; and (12) to support in-water technology development with international partners using existing cooperative procedures (including memoranda of understanding)— (A) to allow cooperative funding and other support of value to be exchanged and leveraged; and (B) to encourage international research centers and international companies to participate in the development of water technology in the United States and to encourage United States research centers and companies to participate in water technology projects abroad. . 3023. National Marine Renewable Energy Research, Development, and Demonstration Centers Section 634 of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17213 ) is amended by striking subsection (b) and inserting the following: (b) Purposes The Centers (including each Center that has been established as of the date of enactment of the Energy and Natural Resources Act of 2017 ) shall coordinate with the Department and the National Laboratories— (1) to advance research, development, and demonstration of marine and hydrokinetic renewable energy technologies; (2) to support in-water testing and demonstration of marine and hydrokinetic renewable energy technologies, including facilities capable of testing— (A) marine and hydrokinetic renewable energy systems of various technology readiness levels and scales; (B) a variety of technologies in multiple test berths at a single location; and (C) arrays of technology devices