Question

what are the limitation of energy that can be obtained from sea

Answer 1

Commercial exploitation is very difficult. Just think about putting transmission lines in the middle of the ocean for harvesting the OTEC energy.

Answer 2

There are many limitations to harness the energy that is present in the ocean.

1). High dams are needed to be build

2). There should be temperature difference of 20°

between the surface and the cold water at the depth.

3). Tidal energy depends on the position of the Sun, Moon and the Earth.