I’m going to share an exercise that I did some time ago when I was analysing where to deploy a desalination plant across different locations, and how those locations changed the key drivers for CAPEX, OPEX, environmental constraints, and other critical factors.
The most important point is that, during feasibility studies and infrastructure planning, you should always evaluate multiple alternatives.
For this exercise, think of the desalination plant as a black box (seawater flows in, and product water flows out).
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Then, place this black box in different locations and analyse how the surrounding conditions affect the project.
Let's assume one thing is already fixed: the plant must produce 60,000 m³/day of potable water. That is the required output.

