Ocean Thermal Gradient Hydraulic Power Plant

See allHide authors and affiliations

Science  25 Jul 1975:
Vol. 189, Issue 4199, pp. 293-294
DOI: 10.1126/science.189.4199.293


Solar energy stored in the oceans may be used to generate power by exploiting ploiting thermal gradients. A proposed open-cycle system uses low-pressure steam to elevate vate water, which is then run through a hydraulic turbine to generate power. The device is analogous to an air lift pump.