As used in this chapter, the term— (1) “ ocean thermal energy conversion ” means a method of converting part of the heat from the Sun which is stored in the surface layers of a body of water into electrical energy or energy product equivalent; (2) “ energy product equivalent ” means an energy carrier including, but not limited to, ammonia, hydrogen, or molten salts or an energy-intensive commodity, including, but not limited to, electrometals, fresh water, or nutrients for aquaculture; and (3) “ Secretary ” means the Secretary of Energy. ( Pub. L. 96–310, § 9 , July 17, 1980 , 94 Stat. 946 .)