; (2) to establish critical testing infrastructure necessary— (A) to cost effectively and efficiently test and prove marine and hydrokinetic renewable energy devices; and (B) to accelerate the technological readiness and commercialization of those devices; (3) to support efforts to increase the efficiency of energy conversion, lower the cost, increase the use, improve the reliability, and demonstrate the applicability of marine and hydrokinetic renewable energy technologies by participating in demonstration projects; (4) to investigate variability issues and the efficient and reliable integration of marine and hydrokinetic renewable energy with the utility grid; (5) to identify and study critical short- and long-term needs to create a sustainable marine and hydrokinetic renewable energy supply chain based in the United States; (6) to increase the reliability and survivability of marine and hydrokinetic renewable energy technologies; (7) to verify the performance, reliability, maintainability, and cost of new marine and hydrokinetic renewable energy device designs and system components in an operating environment, and consider the protection of critical infrastructure, such as adequate separation between marine and hydrokinetic devices and projects and submarine telecommunications cables, including consideration of established industry standards; (8) (A) to coordinate the programs carried out under this section with, and avoid duplication of activities across, programs of the Department and other applicable Federal agencies, including National Laboratories; and (B) to coordinate public-private collaboration in carrying out the programs under this section; (9) to identify opportunities for joint research and development programs and the development of economies of scale between— (A) marine and hydrokinetic renewable technologies; and (B) other renewable energy and fossil energy programs, offshore oil and gas production activities, and activities of the Department of Defense