All the above mentioned alternative designs are very limited technically and site wise. However, the SSUPP,
which is proposed by Bilgen et al. [2], has more interest because of its applicability in many regions around the
world were many hill and mountain sides are suitable for this kind of plants.
In this paper, the details of the Sloped Solar Updraft Power technology is described, and the up-to-date status and
development of this technology reviewed, including the physical processes, experimental and theoretical studies.