 Denoting all other parasitic energy requirements by "W", the net work from the OTEC plant, "W" is

The thermodynamic cycle undergone by the working fluid can be analyzed without detailed consideration of the parasitic energy requirements.From the first law of thermodynamics, the energy balance for the working fluid as the system is

where is the net work for the thermodynamic cycle.For the idealized case in which there is no working fluid pressure drop in the heat exchangers,

and

so that the net thermodynamic cycle work becomes

Subcooled liquid enters the evaporator.