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This would not be the case if you where growing the wheat in a tropical climate where wheat would not normally grow.

For example think of Sudan. Most of the current supplies need to be shipped by ship and then expensively transported inland.

But Sudan has lots of sunlight.

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Modern logistics systems are so efficient transportation costs are a rounding error for bulk commodities. How's the energy grid looking in Sudan these days?

There is very little logistics in Sudan. The roads are often unpaved. The cost of road hauling the wheat will probably double the cost.

But on the other hand there is lots of sunlight for solar.

So the proposal is to construct and maintain complex infrastructure in a place where simple road construction and maintenance are problematic?

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