1. Short title; table of contents (a) Short title This Act may be cited as the Marine Energy Research and Development Act of 2019 . (b) Table of contents The table of contents of this Act is as follows: Sec. 1. Short title; table of contents. Sec. 2. Purpose. Sec. 3. Amendment to short title. Sec. 4. Definition of marine energy. Sec. 5. Marine energy research and development. Sec. 6. National Marine Energy Centers. Sec. 7. Authorization of appropriations. 2. Purpose It is the purpose of this Act to support marine energy programs that— (1) promote the research and development of increased energy generation and capacity at reduced costs; (2) promote research and development that improves environmental outcomes of marine energy technologies; (3) provide grid stability and create new market opportunities; and (4) promote job creation in the energy sector. 3. Amendment to short title Section 631 of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17001 ) is amended by striking and Hydrokinetic Renewable from the short title. 4. Definition of marine energy Section 632 of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17211 ) is amended to read as follows: 632. Definitions For purposes of this subtitle, the term marine energy means energy from— (1) waves, tides, and currents in oceans, estuaries, and tidal areas; (2) free flowing hydrokinetic water in rivers, lakes, and streams; (3) free flowing hydrokinetic water in man-made channels