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.