1. Short title This Act may be cited as the Marine Energy Research and Development Act of 2019 . 2. Purpose The purpose of this Act is to support marine energy programs that— (1) promote research on, and the development of, increased energy generation and capacity at reduced costs; (2) promote research and development activities that improve 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. Definition of marine energy (a) In general Section 632 of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17211 ) is amended to read as follows: 632. Definition of marine energy In 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; and (4) differentials in ocean temperature or ocean thermal energy conversion. . (b) Conforming edits (1) The subtitle heading for subtitle C of title VI of the Energy Independence and Security Act of 2007 ( Public Law 110–440 ; 121 Stat. 1686) is amended by striking and Hydrokinetic Renewable . (2) Section 631 of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17001 note