ABSTRACT
Oceans, seas and rivers cover about 70% of the Earth’s surface. By definition, ocean energy includes resource associated to kinetic, potential, thermal and chemical energy of the seawater. Most often, such resources are used to generate electricity but there are other applications such as production of desalinated water, cooling systems and production of hydrogen through electrolysis. Other forms of energy, such as offshore wind and solar energy from marine structures, are not considered part of ocean energy as they do not belong intrinsically to seawater.
