Discussion

This is admittedly an oversimplified model and probably has some unrealistic features; however, some definite conclusions are clear. Since even optimistic cost estimates for most collector types (even flat plates) lie in the range of $200-$400/m2, it is clear that flat plate collectors cannot be eco­nomically viable under present-day conditions. Some kind of high-temperature collector is required even for single-effect absorption systems, and for any of these, the marked improvement in going to a double-effect system should justify the further development of such systems. The ICPC and the parabolic trough are quite comparable with each other in value delivered at most locations.

Finally, note that for the most encouraging of the cases analyzed, our value of V = $380/m2 turns out not to be a bad representative ballpark figure for the cooling application. That this value is so low must be kept in mind in trying to develop an economically viable collector system (it is less than a penny a day per square foot!). This is important both in regard to the initial cost of the array and in that to the cost of maintenance. It is in this latter respect that the advantages of the nontrack­ing, fully stationary ICPC relative to the parabolic trough could become paramount.

Updated: August 19, 2015 — 12:28 pm