It is required to install a horizontal PV module system on a $26**18m$ roof area. The short roof

dimension faces the south. If the maximum investment $=430,000$$ and the net installed cost

$=5,000\frac{\text{\$}}{k}Wp.$ The PV module specifications are shown in the manufacturer data sheet. Find out

the following:

A$)$ Find out the best PV orientation on the roof and the maximum number of modules that can be

installed there.

B$)$ What is the maximum system capacity for your choice and how many modules does the

investment cover?

C$)$ What is the possible operating voltage range for the modules